Cozy CF55 User manual

Brand: Cozy

Model: CF55

Type: User manual

1018029-E_03/22Page 1

COUNTERFLOW

WALL FURNACE

Installation and Operating Instructions

Cozy Heating Systems | cozyheaters.com | 888-444-1212 | 250 West Laurel Street | Colton, CA 92324

- The coating selected to provide longer life to the heat exchanger      . Please provide adequate

ventilation if this occurs.

 DO NOT attempt any of





 



 

- THIS UNIT IS NOT TO BE INSTALLED IN MOBILE HOMES.

NATURAL GAS - CF403D-H, CF553D-H, CF407D-H, CF557D-H

PROPANE GAS - CF404D-H, CF554D-H, CF408D-H, CF558D-H

WARNING: Operation of this furnace without the properly installed, furnished vent system and vent cap could result in Carbon

Monoxide (CO) poisoning and possible death. For your safety, this furnace and the vent system should be inspected at least

annually by a qualified service technician.

CF55

CF40

WARNING:

This product can expose you to chemicals including epichlorohydrin

which is known to the State of California to cause cancer and birth defects and/or

other reproductive harm. For information go to 

WARNING: 

alteration, service or maintenance can cause



for proper installation. For assistance or for



service agency or the gas

supplier.

! WARNING: If the information in these instructions

is not followed exactly, a re or explosion may result

causing property damage, personal injury or loss of life.

— Do not store or use gasoline or other ammable vapors and

liquids in the vicinity of this or any other appliance.

— WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone

in your building.

• Immediately call your gas supplier from a neighbor’s

phone. Follow the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the re

department.

— Installation and service must be performed by a qualied

installer, service agency or the gas supplier.

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

1018029-E Page 2

CONTENTS

Before Installation

Standards ........................................... 2

 ..................................... 3

Introduction ........................................ 3

Safety ................................................. 3

Venting ........................................... 4 - 5

Combustion & Ventilation ................ - 7

Installation

Locations ............................................ 8

 ...................... 8 - 9

Installing ..................................... 10 - 11

Controls ............................................ 11

 .................................. 11

Lighting Instructions .................... 12 - 13

Maintenance

Proper Burner Flame ........................ 14

Operation .......................................... 14

Terminal Block Wiring Diagram ......... 15

 ........................ 15

Maintenance Instructions .................. 15

Wiring Schematics ............................ 

Kits:

• 14-PEK Extension Kit ........................ 17

•  .............. 18

•  ............ 18

• 

Side Discharge Kits .......................... 19

Troubleshooting Charts ............... 20 - 23

Installations In The State Of

Massachusetts .................................... 21

Parts

CF Part List ................................ 24 - 27

Warranty ............................................. 28

The State of Massachusetts requires that installation

and service of a gas appliance be performed by a

plumber or gas tter licensed in the Commonwealth of

Massachusetts. See page 21.

These installation instructions are a general guide and do not

supersede applicable local codes and ordinances. Before planning





edition of National Fuel Gas Code, ANSI.Z223.1, or CAN1-B149).

        



the latest edition of National Electrical Code ANSI / NFPA 70, or

Canadian Electrical Code CSA-C22.1.

All of the ANSI and NFPA standards referred to in these installation









Installer must leave these instructions with the consumer, have

them complete, and return the warranty card.

READ CAREFULLY BEFORE INSTALLING UNIT

NFPA Standards:

NATIONAL FIRE PROTECTION

ASSOCIATION

1 Batterymarch Park



ANSI & Canadian Standards:

CSA GROUP





1018029-E_03/22Page 3

                 



access door. While the burner access door is open, check the rating plate to verify that the model number is correct and that



SPECIFICATIONS & DIMENSIONS

MODEL NUMBERS

CF403D-H CF407D-H

CF553D-H

CF557D-H

CF404D-H

CF408D-H

CF553D-H

CF558D-H

Gas Type Natural Propane

    

    

    

    

    

    

CFM 440 440 440 440

Type Control 24 Volt 24 Volt 24 Volt 24 Volt

    

Approx. Shipping Weight 104 lbs 107 lbs 104 lbs 107 lbs

Amps 2.25 2.55 2.25 2.55 2.25 2.55 2.25 2.55

Intermittent Ignition (IID) - IID - IID - IID - IID







              

           



INTRODUCTION

      

       

death. If you do not understand these instructions or your local



gas supplier, or the manufacturer.

 

trailer or mobile home.

 

a properly installed and maintained vent system. Do not exhaust



4. Locate the thermostat in a room or space that cannot be

separated by a door or other means from the room or space in



5. Adequate air for combustion and venting must be provided.

            

immediately and disconnect the electric service. Do not use the









 



 



9. Due to high temperatures, the furnace should be located out of



10. Children and adults should be alerted to the hazards of high



clothing ignition.

11. 

in the same room as the furnace.

12. 

or near the furnace.

13. Any safety screen guard or gill removed for servicing must be

replaced prior to operating the furnace.

          



it accidentally opened during shipping.

SAFETY

1018029-E Page 4

VENTING

1) Seal any unused openings in the venting system.

2) Inspect the venting system for proper size and horizontal

pitch, as required in the National Fuel Gas Code, ANSI

Z223.1/NFPA 54 or the Natural Gas and Propane Installation

Code, CSA B149.1 and these instructions. Determine that

there is no blockage or restriction, leakage, corrosion and







connected to the venting system are located and other

spaces of the building.



5) Turn on clothes dryers and any appliance not connected

to the venting system. Turn on any exhaust fans, such as

range hoods and bathroom exhausts, so they are operating

at maximum speed. Do not operate a summer exhaust fan.

       

       

appliance is operating continuously.

7) Test for spillage from draft hood equipped appliances at

the draft hood relief opening after 5 minutes of main burner



8) If improper venting is observed during any of the above

tests, the venting system must be corrected in accordance

       

and/or Natural Gas and Propane Installation Code, CSA

B149.1.

9) After it has been determined that each appliance

       

     

       

appliance to their previous conditions of use.

! WARNING: CARBON MONOXIDE POISONING HAZARD

Failure to follow the steps outlined below for each appliance connected to the venting system being placed into

operation could result in carbon monoxide poisoning or death.

The following steps shall be followed for each appliance connected to the venting system being placed into operation,

while all other appliances connected to the venting system are not in operation:

This appliance must be properly connected to a venting system. Consult local ordinances governing venting. Install only UL listed type









separate solid fuel burning appliance.





Any angle greater than 45 degrees from the vertical is considered horizontal. The total horizontal run of a vent plus the horizontal vent





1018029-E_03/22Page 5

VENTING

THIS APPLIANCE IS EQUIPPED

WITH A BLOCKED FLUE SWITCH

   

      





    

and the top of the draft diverter, simply push the red button on



then the vent system must be checked and corrected.

NOTE: An existing vent that has worked for years may not be

adequate for today’s appliances because of higher eciency

requirements that result in lower stack temperatures.

(See list of possible causes and corrections on page 23)

          





Any angle greater than 45 degrees from the vertical is considered

horizontal. The total horizontal run of a vent plus the horizontal

vent connector shall be not greater than 75 percent of the vertical

height of the vent.

          



is encountered.

WARNING: Do not bypass the blocked ue switch. To do so could expose the consumer to property

damage, personal injury or possible death.

WARNING: Operation of this wall furnace when not

connected to a properly installed and maintained

venting system or tampering with the blocked

ue switch can result in Carbon Monoxide (CO)

poisoning and possible death.

FIG. 1

Chimney

More than 10’

10’

2’ Min.

3’ Min.

Height above

any roof surface



horizontally



10’ or Less

2’ Min.

3’ Min.

Chimney



FIG. 2: Vent Installation

12’ Min.

Listed

Vent Top

Storm Collar



Oval to



Adapter



Vent Pipe

Base Plate

Header Plate

2 x 4

Wall Studs

Ceiling

Plate

Spacer

Lances

Ceiling

Plate

Spacers

Ceiling

Plate

Spacers

2’ Min.

3’

FIG. 3

RED

BUTTON

BLOCKED

FLUE SWITCH

DRAFT

DIVERTER

RELIEF

OPENING

1018029-E 



.







square inch per 1,000 

See Figure

4-A (on page 7).













Each of these openings using vertical ducts shall have a minimum free area of one square inch per 4,000 btu/hr of total input

rating of all gas appliances. See Figures 4-B and 4-C. If horizontal ducts are used, the minimum free area shall be one

square inch per 2,000  of total input rating of all gas appliances.

                   

ceiling. The minimum free area of this opening shall be one square inch per 3,000 btu/hr of the total input rating of all gas

appliances but not less than the sum of the areas of all vent connectors in the space. See Figure 4-D (on page 7).

When calculating the amount of fresh air needed you must include make-up air requirements for the operation of exhaust



Additional information can be found in the latest edition of ANSI Z223.1 (National Fuel Gas Code).

COMBUSTION AND VENTILATION AIR

1018029-E_03/22Page 7

COMBUSTION AND VENTILATION AIR

UL Listed Vent Cap

UL Listed Gas Vent

Ventilation Louvers

(each end of attic)

Outlet Air

Inlet Air Duct

(Ends 1 ft. [300mm]

above floor)

Inlet

Grille

Inlet

Grille

UL Listed Vent Cap

UL Listed Gas Vent

Opening

Alternate

Opening

Location

FIG. 4-C





VENTILATED ATTIC.

FIG. 4-D







UL Listed Vent Cap

UL Listed Gas Vent

Opening

UL Listed Vent Cap

UL Listed Gas Vent

Ventilation



Outlet Air

Ventilation Louvers

(each end of attic)

Inlet Air

FIG. 4-A FIG. 4-B













1018029-E Page 8

LOCATION AND SPECIAL PRECAUTIONS

ROUGH-IN INSTRUCTIONS

Based on 4,000 BTU of total input rating of all gas

appliances, the heater only requires a minimum free area of:

BTU SQ. IN. HOLE SIZE SQ. IN.

   

   

   

   

   

   



area to be heated for optimal heat distribution.

   



          

    

.

            

17–20 (On pages 18 and 19).

Using Adjacent Stud Space

for All Combustion Air From Outside

FIG. 5

Holes Connecting to Ventilated Attic



Air

Grille

Floor

Plate

Ceiling

Plate





In selecting a location for installation, it is necessary to

provide adequate accessibility clearances for servicing

and proper operation. Minimum clearance from cabinet to

combustible construction:

Side Wall - 4” Floor - 0” Ceiling - 4”

See Figure 6. The unit may be recessed and rest directly

against side studs and the inside surface of the rear wall.

1018029-E_03/22Page 9



Gas Inlet Hole





Diameter

Knockout







FIG. 8

GAS ROUGH-IN

ELECTRICAL ROUGH-IN

Check local codes for requirements as to the size and type

of gas line required. See Figure 8 for location of gas inlet

holes in furnace cabinet.

        

        



          

       





accessible for test gauge connection should be installed

immediately upstream of the gas supply connection to

the appliance. Some codes and ordinances require that

the manual valve be located outside the appliance. See

Figure 9.

         

disconnected from the gas supply piping system during any

pressure testing of that system at test pressures in excess

of ½ psig.

The appliance must be isolated from the gas supply piping



any pressure testing of the gas supply piping system at test

pressures equal to or less than ½ pig.

It is required by the National Fuel Gas Code that a drip

line be installed near the gas inlet. This should consist of a

vertical length of pipe tee connected into the gas line that



particles may collect.

FIG. 7

Wire Nut (not provided)

Header Plate

115 V.A.C. Line In

B-W

Vent Pipe



2x4

Stud

To Heater Gas

Control Valve



Drip Leg



Pressure Tap

Gas

Supply

Line

FIG. 9



located on top of header plate for recessed, or in a receptacle



Consult local codes or ordinances. See Figure 7.

MODEL NUMBER AMPS

CF403D, CF404D, CF553D & CF554D ............2.25

CF407D, CF557D, CF408D & CF558D ............2.55

1018029-E Page 10

INSTALLATION

RECESSED UP TO 9-1/4” INSTALLATION

1. 

2. 

plate.

3. 



4. 



5. 

cut out in ceiling plate. Install vent pipe into position, be sure to lock bottom of vent pipe

into the base plate. Nail second ceiling plate spacer in place. See Figure 12.

6. 

spacers must be installed at the second and subsequent ceiling levels. See Figure 13.

7. 

             

bottom of the header plate, see Figure 7 (on page 9).

 





             

Figure 11.

 

8. Make gas connection using connector the same size as gas connection of furnace.



DO NOT USE OPEN FLAME.

9. 

FLUSH TO WALL INSTALLATION

1. 







Install B vent type base plate (not supplied) to top of vent collar. Install ceiling plate

              



2. 







included).

3. 

             

           





4. Make gas connection using connector the same size as gas connection of furnace.



DO NOT USE OPEN FLAME.

5. 

B-W Vent

Header

Plate

FIG. 11

NOTE: For proper combustion, make sure units are level front to back and side to side.

FIG. 10

HEIGHT:

From Header Plate to the Floor





1018029-E_03/22Page 11

STANDING PILOT IID PILOT

INSTALLATION

CONTROLS

All controls are pre-assembled at the factory. The normal



     

          







PILOT ADJUSTMENT

         

          

     (see Figure 14). The pilot

          

          

         

(approximately six full turns to bottom of pilot light channel) until



The appliance equipped only for altitudes 0 - 2,000 feet. If

installed above 2,000 feet, the BTU input must be reduced 4%







FIG. 12

Installation of

B-W Gas Vent

for one story

buildings or for

first floor of

multi-story

buildings.

Header plate of

vented wall furnace.

(Also acts as firestop)

Use manufacturer’s

method of fastening

pipe to base plate.

Sheet metal screw

base plate to header.

Studs on 16”

centers.

Plate cut away for full

width of stud space

to provide ventilation.

Ceiling plate spacers

to center B-W gas vent

in stud space - nail

securely at both ends.

FIG. 13

Installation of B-W gas vent

for each subsequent ceiling or

floor level of multi-story

buildings.

Firestop spacers supplied by

manufacturer of B-W gas vent.

Plate cut

away to provide

passage of B-W

gas vent.

Nail restop spacer securely.

STANDING PILOT IID PILOT

Honeywell VR8200H Series



Honeywell VR8204H Series



PILOT FLAME ADJUSTMENT



NATURAL GAS ORDER KIT #49840 2287-1 High Altitude Kit

Model 0’ - 2,000’ - 4,000’ - 6,000’ - 8,000’ -

No. 2,000’ 4,000’ 6,000’ 8,000’ 10,000’

CF403D 32 34 35 36 40

CF407D 32 34 35 36 40

CF553D 29 30 30 31 32

CF557D 29 30 30 31 32

PROPANE GAS ORDER KIT #49840 2287-1 High Altitude Kit

Model 0’ - 2,000’ - 4,000’ - 6,000’ - 8,000’ -

No. 2,000’ 4,000’ 6,000’ 8,000’ 10,000’

CF404D 49 50 51 52 52

CF408D 49 50 51 52 52

CF554D 2.15mm 45 47 48 49

CF558D 2.15mm 45 47 48 49

ORIFICES

FIG. 14-BFIG. 14-A



1018029-E Page 12

A.        

lighted by hand. When lighting the pilot,



B. BEFORE LIGHTING smell all around the

appliance area for gas. Be sure to smell next

       



WHAT TO DO IF YOU SMELL GAS:

• DO NOT try to light any appliance.

• DO NOT

• DO NOT use any phone in your building.

• Immediately call your gas supplier from



supplier’s instructions.

FOR YOUR SAFETY READ BEFORE LIGHTING

MODELS: CF403D-H / CF404D-H / CF553D-H / CF554D-H

• If you cannot reach your gas supplier, call



C. Use only your hand to push in or turn the gas

control knob. Never use tools. If the knob





Force or attempted repair may result in a



D. Do not use this appliance if any part has

     

     

appliance and to replace any part of the

      



6. Wait five (5) minutes to clear out any gas. Then smell

for gas, including near the floor. If you smell gas,

STOP!        

label. If you don’t smell gas, go to the next step.

7. Locate red piezo ignitor button on side of gas control.

       

tube from gas control).

8.  to



LIGHTING INSTRUCTIONS - ( Standing Pilot )

WARNING:

If you do not

follow these

instructions

exactly, a re

or explosion

may result

causing

property

damage,

personal

injury or loss

of life.

LIGHTING INSTRUCTIONS

TURNING OFF GAS TO APPLIANCE

1. STOP!

2. 

3. 

4. 

5.         



1. 

2. 

is to be performed.

3. 

4.  



5. 

9. Push in pilot control knob and hold in. Immediately

begin a series of pushing and releasing the red



the sight glass. Continue to spark until pilot is lit.

Continue to hold the pilot control knob in for about



         

remain lit. If pilot goes out, repeat steps 5 thru 9.

- If knob does not pop up when released, STOP and

immediately call your service technician or gas supplier.

- If the pilot will not stay lit after several tries, turn the gas

control knob to “OFF” and call your service technician

or gas supplier.

10.  

11. 

12. Turn on all electric to the appliance.

13. Set thermostat to desired setting.

Pilot Burner

The pilot is

located on the

side of the

burner.

HONEYWELL

TH-TR

OFF

PILOT

NOTE:

Knob cannot

be turned from

“PILOT” to “OFF”

unless knob is

pushed in slightly.

Do not force.

Gas Control Knob

Pilot Control Knob

1018029-E_03/22Page 13

A.       

     

DO NOT try to light the pilot by hand.

B. BEFORE OPERATING, smell all around the

appliance area for gas. Be sure to smell next

       



WHAT TO DO IF YOU SMELL GAS:

• DO NOT try to light any appliance.

• DO NOT

• DO NOT use any phone in your building.

• Immediately call your gas supplier from a



instructions.

FOR YOUR SAFETY READ BEFORE LIGHTING

MODELS: CF407D-H / CF408D-H / CF557D-H / CF558D-H

• If you cannot reach your gas supplier, call



C. Use only your hand to push in or turn the gas



not push in or turn by hand, don’t try to repair

      

        

explosion.

D. Do not use this appliance if any part has been

     

service technician to inspect the appliance

and to replace any part of the control system

       



7. 

If you smell gas, STOP!



don’t smell gas, go to the next step.

LIGHTING INSTRUCTIONS - ( IID Pilot )

WARNING:

If you do not

follow these

instructions

exactly, a re

or explosion

may result

causing

property

damage,

personal

injury or loss

of life.

LIGHTING INSTRUCTIONS

TURNING OFF GAS TO APPLIANCE

1. STOP! 

2. 

3. 

4. 

automatically lights the pilot. DO NOT try to light the

pilot by hand.

5. 

6. 



1. 

2. 

be performed.

3. 

4.         



5. 

9. 

10. 

11. Set thermostat to desired setting.

12. 

        

service technician or gas supplier.

8.  

NOTE:

Knob cannot be

turned to “OFF”

unless knob is

pushed in slightly.

Do not force.

Gas Control Knob

1018029-E Page 14

PROPER BURNER FLAME

           

           

rising above the burner, (See Figure 15). There may be some



   



been done at the factory.

NOTE: It is advised that the burner ames be checked at

least twice during the heating season for any changes in

burner ame characteristics.

The appliance area must be kept clear and free from

      





above 2,000 feet must be derated 4% for every 1,000 feet. For





OPERATION

         

On a call for heat the gas valve does not snap-open to full

        

normal manifold pressure. The time lapse from the call for

         



        



the room.

FIG. 15







1018029-E_03/22Page 15

AUXILIARY LIMIT SWITCH



   







If outages persist, call a qualied service technician.

MAINTENANCE INSTRUCTIONS

1.          

technician. The appliance should be inspected before use

and at least annually by a professional service technician.

More frequent cleaning may be required due to excessive

lint from carpeting, bedding material, etc. It is imperative that

control compartments, burners, pilot burners, circulating air



clean.

2. The bearings of the motor should be oiled every six months



3. The appliance area must be kept clear and free of any



and liquids.

 

not be obstructed.

5. Periodic examination of the entire vent-ilation system as a

routine part of the safety performance check is recommended

on an annual basis.

IMPORTANT: Keep burner and control compartment

clean. Vacuum burner compartment at the start of the

heating season or as often as needed.

NOTE: It is advised that the burner ames be checked

at least twice during the heating season for any

changes in burner ame characteristics.

115 VAC 60 HZ – Less than 12 Amps:







TERMINAL BLOCK WIRING DIAGRAM

CF403, 404, 407, 408, 553, 554, 557 & 558 (D-H)

91123

Motor (White)





Motor (Green) Motor (Black)





Transformer (Black)

Limit



(Blue)

Terminal

Board

Ground

(Green)



Cord

(Green)

Selector



(Black)



CAUTION:

Label all wires prior to disconnection when

servicing controls. Wiring errors can cause

improper & dangerous operation. Verify

proper operation after servicing.

1018029-E 

WIRING SCHEMATICS

Standing Pilot Models IID Models

1. Spark

2. Sense

3. 24V

4. 24V

5. Gnd.

6. Gnd. (Burner)

7. PV

8. MV/PV

9. MV

1018029-E_03/22Page 17

14-PEK: 14’ PLUG EXTENSION KIT (For NON-

Units with Terminal Board

1. 



2. 

3. 

4.  

5. 

6. 

heater.

7. 

         

instructions.

8.  

9.  

10. 

11. Snap 90 degree outside corner (Ref. 1) onto 3 foot section (Ref. 2) plastic





12.          (Ref. 3) and

remove blue backing and apply to side of heater, butting up against bottom

of other section.

13. Cut 14-inch long bottom section to required length (see chart), insert



14. 

15. 

BOTTOM SECTION (4)

90 DEGREE

OUTSIDE

CORNER

(1)

3 F T.

SECTION

(2)

3 F T.

SECTION

(3)



DVCF40 8 Inches ............................NOTE: Lengths terminate approximately 2 inches above oor.

DVCF55 14 Inches ......................... NOTE: Lengths terminate approximately 2 inches above oor.

MODEL NO. LENGTH OF BOTTOM SECTION (Ref. 4) PLASTIC RACEWAY

CAUTION: These kits must be installed by a qualified installer or service technician.

1018029-E Page 18

FIG. 18-A

Back Wall

Side Wall



Plaster

Ground



1. Figure 18-A.

2. Cut out and remove embossed section on casing rear.

3. 

4. Place inner boot from kit through opening, matching



5. 

6. 

7. 

8.           







9. 

10. 

11. Figure 18-B.

406RR-A

REAR REGISTER KIT ( Flush Mount )

407RR-A

REAR DISCHARGE KIT ( Recessed )

KITS (Optional Accessories)

CAUTION: These kits must be installed by a qualified installer or service technician.

FIG. 18-B

FIG. 17-A

Plaster Ground 1/2”

14-1/2”

REAR

14-11/16”

1. Figure 17-A.

2. Figure 17-A

(Optional).

3. Cut out & remove embossed section on casing rear.

4. 

5. Put heater into position.

6. 



mark (4) holes from damper onto inner boot, top and

         



7. Attach inner boot to liner. Attach damper to inner boot



8. 

9. Figure 17-B.

FIG. 17-B

1018029-E_03/22Page 19

306SR-A

SIDE DISCHARGE ON CASING ( Flush Mount )

30SRB-A

SIDE DISCHARGE ( With Extension Boot )

KITS (Optional Accessories)

CAUTION: These kits must be installed by a qualified installer or service technician.

1. Cut out and remove embossed area on casing side.

2. 

3.  



4.  

5.  

6.  

7. Place grille into position, drill holes into casing, and



1.  

2. 

3. Cut out and remove embossed section on casing side.

4. 

5. Put heater into position.

6. 





7. Place boot trim into position, slide inner boot through





to casing side.

8.  

FIG. 19



Min.

FIG. 20

1018029-E Page 20

TROUBLESHOOTING CHART ( FOR QUALIFIED SERVICE TECHNICIAN ) - MAIN BURNER

Please follow the following corrective actions in order.

SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION

Flame Too

Large

1. Defective operator section of gas

valve.

 

3. If installed above 2,000 ft.

 

 

 

1. Noisy pilot.

 

(If it whistles or resonates).

3. Excessive gas input.

Noisy Flame  

 (do not enlarge orices).

 

1. Clogged main burner ports.

2. Clogged draft hood.

3. Linted up mixer opening.

Yellow Tip Flame

(Some yellow

tipping on Propane

gas is permissible).

1. Clean main burner ports. (Do not enlarge ports).

2. Clean draft hood.

3. Check for dust or lint at air mixer opening.

1. Blocked venting.

Floating

Flame

 

1. Gas leak.

 

3. Drafts around appliance.

Gas

Odor

 



 

3. Eliminate drafts.

 

2. Burner ports clogged near pilot.

 

 

burners come on.

5. Drafts around appliance.

 

Delayed

Ignition

 

gas source (meter if natural gas or second stage regulator if propane - maximum 7” w.c.

for Natural and 11” w.c. for propane).

2. Clean burner ports (do not enlarge ports).

3. Check gas supply inlet pressure. Check gas outlet (manifold)

(for “step” pressure chart see “Operation”).

4. Supply piping inadequately sized or incorrect inlet pressure.

5. Eliminate drafts.

 

1. Gas input not checked.

 

Incorrect

Gas Input

 

 

toothpick. (Do not in any way enlarge or distort it).

 

2. Defective gas valve.

Failure to

Ignite

1. Open all manual gas valves.

 

1. Appliance undersized.

2. Incorrect supply pressure.

Not Enough

Heat

 

and compare to the appliance output (approx. 70% of input). Your gas company or

            

correct size unit.

2. Check supply pressure as outlined above.

1. Defective or sticking automatic valve.

2. Excessive gas pressure

(The supply gas pressure must not

exceed 1/2 PSI or 14” W.C.)

Burner Won’t

Turn O

 

2. To correct this situation contact the utility supplying the gas.

1. Improper venting. Condensation of

Water Vapor

 

1. Combination control valve

sticks open.

Too Much

Heat

 

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Cozy CF55 User manual

Brand: Cozy

Model: CF55

Type: User manual

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Cozy CF55 User manual

Cozy CF55 User manual

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