Trane DFOA Installation Operation & Maintenance

Brand: Trane

Model: DFOA

Type: Installation Operation & Maintenance

This manual is also suitable for

DFIA

Installation Operation

Maintenance

February 2007 MUA-SVX01A-EN

DFIA

DFOA

Direct-Fired Make-Up

Air Units

MUA-SVX01A-EN 2

Overview of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Hazard Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Model Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Model Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

DFIA Model Number Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

DFOA Model Number Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Horizontal Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Vertical Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

(DFOA only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Vertical Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

(DFIA only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Pre-Installation Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Weights and Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

DFIA only. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

DFOA Only. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Rigging/ Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Pre-installation Verification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

For Canadian Installations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Handling the Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Locating the Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Outdoor, Curb Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Roof Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Roof curb Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Installation Procedure: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Inlet Hood Support (By Others). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Location of Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Field Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Field Wiring and Remote Control Installation . . . . . . . . . . . . . . . . . . . . . . . . . 40

Locating Temperature Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Pre-Start-Up Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

General Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Unit Start: Systems with Pilot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Honeywell™ Flame Safeguard Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Setting Main Flame. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Contents

MUA-SVX01A-EN 3

Contents

Unit Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Electrical Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

To calcuate the unit FLA and MCA for: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Pre-installation Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Receiving Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Installer’s Responsibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Pre-Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Summer Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Winter Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Maintenance Schedule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Lubrication Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Pillow Block Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Frequency of Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Dampers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Air Filters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Belt Tensions and Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Suggested Belt Tension Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Optional Coils and Related Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Condensate (Drain) Pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Gaskets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Annual Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Inspection and Maintenance of Gas Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Burner Operating Principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Valve Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Modulating Discharge Temperature (MDT) Controls . . . . . . . . . . . . . . . . . . . 63

Connection of MRT Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Initiate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Standby. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Normal Start-up Prepurge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Ignition Trials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Settings and Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74

Operation of the Direct Spark Ignition Control Gas Valve . . . . . . . . . . . . . . . 75

Two Stage Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Check Safety Shutdown Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Warranty Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Standard Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Extended Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

4 MUA-SVX01A-EN

Contents

Overview

Overview of Manual

Note: One copy of this document ships inside the control panel of each unit and

is customer property. It must be retained by the unit’s maintenance

personnel.

This booklet describes proper installation, operation, and maintenance

procedures for air cooled systems. By carefully reviewing the information within

this manual and following the instructions, the risk of improper operation and/or

component damage will be minimized. It is important that periodic maintenance

be performed to help assure trouble free operation. A maintenance schedule is

provided at the end of this manual. Should equipment failure occur, contact a

qualified service organization with qualified, experienced HVAC technicians to

properly diagnose and repair this equipment.

Hazard Identification

Warnings and Cautions appear at appropriate sections throughout this manual.

Read these carefully.

 WARNING

Indicates a potentially hazardous situation which, if not avoided, could result in

death or serious injury.

CAUTION

Indicates a potentially hazardous situation which, if not avoided, may result in

minor or moderate injury. It may also be used to alert against unsafe practices.

CAUTION

Indicates a situation that may result in equipment or property-damageonly

accidents.

Model Number

All products are identified by a multiple-character model number that precisely

identifies a particular type of unit. An explanation of the alphanumeric

identification code is provided. Its use will enable the owner/operator, installing

contractors, and service engineers to define the operation, specific components,

and other options for any specific unit. When ordering replacement parts or

requesting service, be sure to refer to the specific model number and serial

number printed on the unit nameplate.

MUA-SVX01A-EN

General Information

 WARNING

Hazardous Service

Procedures!

The maintenance and Trouble Shooting procedures recommended in this section

of the manual could result in exposure to electrical, mechanical or other

potential safety hazards. Always refer to the safety warnings provided

throughout this manual concerning these procedures. When possible,

disconnect all electrical power including remote disconnects and discharge all

motor start/run capacitors before servicing. Follow proper lockout/tagout

procedures to ensure the power can not be inadvertently energized. When

necessary to work with live electrical components, have a qualified licensed

electrician or other individual who has been trained in handling live electrical

components perform these tasks. Failure to follow all of the recommended

safety warnings provided, could result in death or serious injury.

 WARNING

Hazardous Gases

and Flammable

Vapors!

Exposure to hazardous gases from fuel substances have been shown to cause

cancer, birth defects or other reproductive harm. Improper installation,

adjustment, alteration, service or use of this product could cause flammable

mixtures. To avoid hazardous gases and flammable vapors follow proper

installation and set up of this product and all warnings as provided in this

manual. Failure to follow all instructions could result in death or serious injury.

 WARNING

Hazardous

Voltage!

Disconnect all electric power, including remote disconnects and discharge all

motor start/run capacitors before servicing. Follow proper lockout/tagout

procedures to ensure the power can not be inadvertently energized. Failure to

disconnect power before servicing could result in death or serious injury.

General

The owner’s representative or the equipment operator should be present during

start-up to receive instructions on care and adjustments of heaters.

• Inspection of unit for damage and proper assembly

• Electrical service and unit voltage requirements are the same

• Gas piping is correct and vent lines are installed

• Blower runs free in housing

• Blower motor runs free

• Check electrical connections for tightness at all terminals in the control panel

• Check wheels and pulley set screws, check bearing locking collars

• System duct work installed correctly and per local code

• Remote panel and thermostat(s) installed

MUA-SVX01A-EN

General Information

All Trane equipment has been factory tested, adjusted, metered and inspected to

meet conditions set at the time the order was placed. Only minimal adjustments

should be required. All information in this service manual is typical. All products

are semi-custom and changes may occur.

• Suggested Tools/Instruments

• Microammeter

•Volt/Ohm Meter

• Ammeter

• Tachometer

• Thermometer

• Manometer (0-10" of W.C.)

• Standard Hand Tools

• Gas Pressure Gauges (0-35 lbs.)

• D.C. Volt Meter

Replacement Parts

Replacement parts may be ordered from the local Trane Parts Counter

representative.

When parts are ordered, model number and serial number are required. Belts

and fuses are not covered by warranty.

MUA-SVX01A-EN • Direct-Fired Make-up Air 8

DFIA Model Number Descriptions

DIGITS 1,2,3 —UNIT DESCRIPTION

DFI Direct fired indoor unit

DIGIT 4 —Developemnt sequence

A First generation

DIGIT 5,6,7 —UNIT SIZE

DIGIT 8 —BURNER SECTION

0 No burner section1 Burner section

DIGIT 9 —MAIN POWER SUPPLY

DIGIT 10 —DESIGN SEQUENCE

H Eighth design

Digit 11 —FUEL

N Natural gas

P LP (propane) gas

DIGIT 12 —GAS CONTROL OPTION

Model Numbers

A10

0 A H N E 0 00 0 0 1 0 0 0 ** ** AC AJ AZ AL AN AP AQ DS CA AX BJ A5 BD AY

456

89101

12 13 14

16 1

109 Unit Size 109 112 Unit Size 112

115 Unit Size 115 118 Unit Size 118

120 Unit Size 120 122 Unit Size 122

125 Unit Size 125 130 Unit Size130

215 Unit Size 215 218 Unit Size 218

220 Unit Size 220 222 Unit Size 222

225 Unit Size225 230 Unit Size 230

A 115/60/1 Main Power Supply

B 230/60/1 Main Power Supply

C 208/60/1 Main Power Supply

D 208/60/3 Main Power Supply

E 230/60/3 Main Power Supply

F 460/60/3 Main Power Supply

E Modulating Discharge temp control

(MDT)

F Modulating Room Temp Control (MRT)

G Modulating Room Temp Control & Pro

Room Sensor (MRT Pro)

H Modulating Room Temp Control & BAC

view (MRT Expert)

MUA-SVX01A-EN • Direct-Fired Make-up Air 9

Model Numbers

DIGIT 13 —GAS TRAIN APPROVALS

DIGIT 14 —BURNER INPUT RATING (NATURAL GAS/PROPANE)

DIGIT 16 —BLOWER MOTOR HORSE POWER

0 No Selection

1 Standard Gas Train

3 IRI Gas Train Approval (ETL)

4 FM Gas Train Approval (ETL)

5 IRI Gas Train Approval (No ETL)

6 FM Gas Train Approval (No ETL)

00 No burner input selection

AA 2755/225 MBH Input

AB 550/450 MBH Input

AC 825/885 MBH Input

AE 1100/1125 MBH Input

AF 1375/1350 MBH Input

AG 1650/1575 MBH Input

AH 1925/1800 MBH Input

AJ 2200/2025 MBH Input

AK 2475/2475 MBH Input

AL 2750/2700 MBH Input

AN 3025/2925 MBH Input

AP 3300/3150 MBH Input

AQ 3575/3375 MBH Input

AR 3850/3825 MBH Input

AT 4125/4050 MBH Input

AV 4400/4275 MBH Input

AW 4675/4500 MBH Input

AX 4950/4950 MBH Input

AY 5525/5175 MBH Input

AZ 5500/5400 MBH Input

A1 5775/5624 MBH Input

A2 6050/5850 MBH Input

A3 6325/6075 MBH Input

A4 6600/6525 MBH Input

A5 6875/6750 MBH Input

A6 7150/6975 MBH Input

A7 7425/7425 MBH Input

A8 4770/7650 MBH Input

AZ 5500/5400 MBH Input

A9 7975 MBH Input

BA 8250 MBH Input

BB 8525 MBH Input

BC 8800 MBH Input

BD 9075 MBH Input

O No Selection B 3/4 HP Motor

C 1 HP Motor D 1 1/2 HP Motor

E 2 HP Motor F 3 HP Motor

G 5 HP Motor H 7 1/2 HP Motor

J 10 HP Motor K 15 HP Motor

L 20 HP Motor M 25 HP Motor

P 30 HP Motor Q 40 HP Motor

R 50 HP Motor T 60 HP Motor

10 Direct-Fired Make-up Air• MUA-SVX01A-EN

Model Numbers

DIGIT 17 — MOTOR SPEED AND STARTER

DIGIT 18 —FAN ARRANGEMENT

DIGIT 20 —V-BANK FILTER SECTION

0 No V-bank filter section

A V-bank section with permanent filters

B V-bank section without permanent filters

C V-bank section with TA filters

D V-bank section with pleated filters

DIGIT 21 —DAMPERS/MIXING BOX

DIGIT 22 —CONTROLS OPPOSITE FROM STANDARD

** Standard controls

AAControls opposite from standard

DIGIT 24 —MOTORIZED INLET DAMPER

** No motorized inlet damper

ABMotorized inlet damper

DIGIT 26 —INSULATION

AC insulation on entire unit (include filter)

DIGIT 28 —115 V DUPLEX SERVICE RECEPTACLE WITH TRANS.

AJ 115 V Duplex service receptacle with trans.

DIGIT 30 —PAINTED CABINET

AZ Painted cabinet

0 No Selection 1 Single Speed odp 1800 rpm

2 Single Speed tefc 1800 rpm 3 Single Speed ener. effic odp

4 Single Speed ener. effic tefc 5 2s1w odp 1800/900 rpm

6 2s2w odp 1800/1200 rpm

1 Horizontal arrangement 1 top 2 Horizontal arrangement 2 side

3 Horizontal arrange 3 bottom 4 Vertical arrangement 4 side

5 Vertical arrangement 5 side 6 Vertical arrangement 6 top

7 Vertical arrangement 7 top 8 Vertical arrangement 8 side

9 Vertical arrangement 9 side

No Damper/mixing box selected (No ETL)

Motorized return air damper (No ETL)

Motorized damper 75/25 (No ETL)

Mixing box -temperature control (No ETL)

Mixing box - building press cntl (No ETL)

Mixing box - manual control (No ETL)

Mix box with Airflow Station-man cntl (ETL)

Mix box with AIrflow Station-temp ctr (ETL)

Mix box with Airflow Station-bldg press (ETL)

MUA-SVX01A-EN • Direct-Fired Make-up Air 11

Model Numbers

DIGIT 32 —UV FLAME SENSOR

AL Ultra violet (UV) flame sensor

DIGIT 34 —CLOGGED FILTER INDICATOR

AN Clogged filter indicator

DIGIT 36 —EXHAUST INTERLOCK

AP Exhaust interlock

DIGIT 38 —INTERLOCKING RELAY

AQ Interlocking relay

DIGIT 40 —OMIT DISCONNECT SWITCH

DS Disconect switch

AT Omit disconnect switch

DIGIT 42—HIGH GAS PRESSURE REGULATOR

CA High gas press reg 0.5 - 1 psi

AV High gas press reg1 - 5 psi

AW High gas press reg 5 - 10 psi

BH High gas press reg over 10 psi

DIGIT 44 —ADJUSTABLE DRIVE

AX Adjustable drive

DIGIT 46 —LOW GAS PRESSURE BURNER

BJ Low gas pressure burner

DIGIT 48 —VIBRATION OPTIONS

A5 Vibration feet

A6 Vibration hangers

DIGIT 50—CONTROL OPTIONS

BD 7 day time clock

BG On/off night setback thremostat

BF BACview remote panel

DIGIT 52 —DISCHARGE LOUVER

AY Discharge louver

0 None

12 Direct-Fired Make-up Air• MUA-SVX01A-EN

Model Numbers

DFOA Model Number Description

DIGIT 1, 2, 3 —UNIT TYPE

DFO Direct-Fired Outdoor Unit

DIGIT 4 —DEVELOPMENT SEQUENCE

A First generation

DIGIT 5,6,7 —UNIT SIZE

DIGIT 8 —MAIN POWER SUPPLY

DIGIT 9 —FUEL

N Natural Gas

P LP (propane) gas

DIGIT 10 —DESIGN SEQUENCE

H Eigth Design

DIGIT 11 —GAS CONTROL OPTION

OA109ANHE0AA002000000DFGKMNPQR DS 7Y8Z2M#

3456789

14 15 16 17 18 19 20 21 22 23

6 27303233343536

38 39 41 42 43 44 45 46

109 Unit Size 109 112 Unit Size 112

115 Unit Size 115 118 Unit Size 118

215 Unit Size 215 218 Unit Size 218

220 Unit Size 220 222 Unit Size 222

225 Unit Size225 230 Unit Size 230

A 115/60/1 Main Power Supply

B 230/60/1 Main Power Supply

C 208/60/1 Main Power Supply

D 208/60/3 Main Power Supply

E 230/60/3 Main Power Supply

F 460/60/3 Main Power Supply

E Modulating Discharge temp

control

F Modulating Room Temp Control

G Modulating Room Temp Control &

Pro Room Sensor

H Modulating Room Temp Control &

BAC view

MUA-SVX01A-EN • Direct-Fired Make-up Air 13

Model Numbers

DIGIT 12 —GAS TRAIN APPROVALS

DIGIT 13 —BURNER INPUT RATING (NATURAL/PROPANE)

DIGIT 15 —BLOWER MOTOR HP

0 No Selection

1 Standard Gas Train

3 IRI Gas Train Approval (ETL)

4 FM Gas Train Approval (ETL)

5 IRI Gas Train Approval (No ETL)

6 FM Gas Train Approval (No ETL)

AA 275/225 MBH Input

AB 550/450 MBH Input

AC 825/675MBH Input

AE 1100/1125 MBH Input

AF 1375/1350 MBH Input

AG 1650/1575 MBH Input

AH 1925/1800 MBH Input

AJ 2200/2025 MBH Input

AK 2475/2475 MBH Input

AL 2750/2700 MBH Input

AP 3300/3150 MBH Input

AQ 3575/3375 MBH Input

AR 3850/3825 MBH Input

AT 4125/4050 MBH Input

AV 4400/4275 MBH Input

AW 4675/4500

AX 4950/4950 MBH Input

AY 5225/5175 MBH Input

AZ 5500/5400 MBH Input

A1 5775/5624 MBH Input

A2 6050/5850 MBH Input

A3 6325/6075 MBH Input

A4 6600/6525 MBH Input

A5 6875/6750 MBH Input

A6 7150/6975 MBH Input

A7 7425/7425 MBH Input

A8 7700/7650 MBH Input

A9 7975 MBH Input

O No Selection B 3/4 HP Motor

C 1 HP Motor D 1 1/2 HP Motor

E 2 HP Motor F 3 HP Motor

G 5 HP Motor H 7 1/2 HP Motor

J 10 HP Motor K 15 HP Motor

L 20 HP Motor M 25 HP Motor

P 30 HP Motor Q 40 HP Motor

R 50 HP Motor T 60 HP Motor

14 Direct-Fired Make-up Air• MUA-SVX01A-EN

Model Numbers

DIGIT 16 —MOTOR SPEED AND STARTER

DIGIT 17 —FAN ARRANGEMENT

DIGIT 18—INLET HOOD AND BIRDSCREEN

O No Inlet Hood and Birdscreen

A Inlet Hood/Birdscreen with permanent filters

B Inlet Hood/Birdscreen without permanent filters

DIGIT 19 —V-BANK FILTER SECTION

DIGIT 20 —DAMPER/MIXING BOX

DIGIT 21 —CONTROLS OPPOSITE FROM STANDARD

0 Standard controls

A Controls opposite from standard

DIGIT 22 —MOTORIZED INLET DAMPER

0 No motorized inlet damper

B Motorized inlet damper

0 No Selection 1 Single Speed odp 1800 rpm

2 Single Speed tefc 1800 rpm 3 Single Speed ener. effic odp

4 Single Speed ener. effic tefc 5 2s1w odp 1800/900 rpm

6 2s2w odp 1800/1200 rpm

2 Horizontal Arrangement 2, Front

3 Horizontal Arrangement 3, Bottom

4 Vertical Arrangement 4, Side

6 Vertical Arrangement 6, Side

0 No V-bank filter section

A V-bank section with permanent filters

B V-bank section without permanent filters

C V-bank section with TA filters

D V-bank section with pleated filters

0 No Damper/mixing box selected (No ETL)

A Motorized 75/25 damper (manual control)

B Motorized damper 75/25 (bldg press ctr)

C Mixing box -temperature control (No ETL)

D Mixing box - building press cntl (No ETL)

E Mixing box - manual control (No ETL)

F Mix box with Airflow Station-man cntl (ETL)

G Mix box with AIrflow Station-temp ctr (ETL)

H Mix box with Airflow Station-bldg press (ETL)

MUA-SVX01A-EN • Direct-Fired Make-up Air 15

Model Numbers

DIGIT 23 —MOTORIZED OUTLET DAMPER

0 No motorized outlet damper

C Motorized outlet damper

DIGIT 24 —INSULATION

D Insulation on entire unit

DIGIT 25 —INTERNAL BLOWER/MOTOR ISOLATION

F Internal blower/motor isolation

DIGIT 26—EXTENDED GREASE LINES

G Extended grease lines

DIGIT 27 —115V DUPLEX SERVICE RECEPTACLE

K 115 volt duplex service receptacle

DIGIT 28—PAINTED BASIC UNIT AND ACCESSORIES

M Painted basic unit and accessories

DIGIT 29—UV FLAME SENSOR

N UV flame sensor

DIGIT 30 —CLOGGED FILTER INDICATOR

P Clogged filter indicator

DIGIT 31 —EXHAUST INTERLOCK

QExhaust interlock

DIGIT 32 —INTERLOCKING RELAY

R Interlocking relay

DIGIT 33 —OMIT DISCONNECT SWITCH

DS Disconect switch

V Omit disconnect switch

DIGIT 34—HIGH GAS PRESSURE REGULATOR

7 High gas press reg 0.5 - 1 psi

W High gas press reg1 - 5 psi

X High gas press reg 5 - 10 psi

6 High gas press reg over 10 psi

DIGIT 35 —ADJUSTABLE DRIVE

Y Adjustable drive

16 Direct-Fired Make-up Air• MUA-SVX01A-EN

Model Numbers

DIGIT 36—LOW GAS PRESSURE BURNER

8 Low gas pressure burner

DIGIT 37—VIBRATION OPTIONS

Z Vibration feet-full unit

DIGIT 38 —CONTROL OPTIONS

2 7 day time clock

5 On/off night setback thremostat

7 BACview remote panel

DIGIT 39—DISCHARGE LOUVER

M Discharge louver

DIGIT 40—SEPARATOR FOR UNIT MODEL NUMBER

# Separator for AOS model number

DIGIT 41 — ROOFCURBS

A Curb for basic frame, no return air

B Curb for basic frame return air downstream

C Curb for basic frame with mixing box

MUA-SVX01A-EN • Direct-Fired Make-up Air 17

Horizontal Configurations

For all arrangements shown, controls, gas piping and fan motor are on the near

side. Selected horizontal units are available with special options — cooling coils

(DX, chilled water), steam and electric coils, no burner section. Contact your

Trane representative for availability and pricing.

General Information

Figure 1. Horizontal Configurations

Fan Arrangement #2

Side Discharge

Fan Arrangement #3

Bottom Discharge

Fan Arrangement #1

Top Discharge (For outdoor only)

18 Direct-Fired Make-up Air • MUA-SVX01A-EN

General Information

Vertical Configurations

(DFOA only)

For all arrangements shown, the gas piping and controls are on the near side.

Selected vertical units are available with special options — steam and electric

coils, no burner section.

Figure 2. Vertical configuration DFOA only

Fan Arrangement #4

Side Discharge

Fan Arrangement #6

Side Discharge

MUA-SVX01A-EN • Direct-Fired Make-up Air 19

General Information

Vertical Configurations

(DFIA only)

For all arrangements shown, the gas piping is on the near side. The electric

control cabinet (EC) and disconnect are on the side opposite the air entering side.

Selected vertical units are available with special options – steam and electric

coils, no burner section. Contact your Trane representative for availability.

Figure 3. (DFIA only) vertical configurations

Fan Arrangement #9

Side Discharge

Fan Arrangement #6

Top Discharge

Fan Arrangement #8

Side Discharge

Fan Arrangement #5

Side Discharge

Fan Arrangement #7

Top Discharge

Fan Arrangement #4

Side Discharge

20 Direct-Fired Make-up Air • MUA-SVX01A-EN

General Information

Table 1. General Data Table DFIA, DFOA

Unit Size 109 112 115 118 120 122 125 130 215 218 220 222 225 230

DFIA Airflow

Minimum

Airflow

1600 3250 4500 6500 9000 11000 14000 2200 9000 12500 18000 25000 30000 44000

Maximum

Airflow

3000 4350 6000 8500 11000 15000 20000 30000 12000 17000 26000 31000 46000 64000

DFIA Heating

Data

Gas Heat Input

(MBh) min

131 267 370 534 740 904 1150 1808 740 1068 1479 2054 2465 3616

Gas Heat Input

(MBh) max

423 599 845 1197 1550 2113 2817 4226 1690 2536 3663 4367 6480 9016

DFIA Fan

Fan Wheel Size,

Dia-Wic

09-Jan 12-Jan 15-Jan 18-Jan 20-Jan 22-Jan 25-Jan 30-Jan 15-Feb 18-Feb 20-Feb 22-Feb 25-Feb Feb-

Motor HP .75-5 1.5-5 05-Feb 10-Mar 15-May 15-May 20-May 25-Oct 10-May 20-May 7.5-25 15-30 15-50 20-60

DFIA Filters, 2 "

Quantity 4 4 9 9 10 10 24 24 18 18 35 35 42 42

Size (inches) 20 x 20 20 x 20 20 x 16 20 x 16 20 x 25 20 x 25 20 x 16 20 x 16 20 x 15 20 x 15 20 x 16 20 x 16 20 x 20 20 x

DFOA Airflow

Minimum

Airflow

1600 3250 4500 6500 - - - - 9000 12500 18000 25000 30000 44000

Maximum

Airflow

3000 4350 6000 8500 - - - - 12000 17000 26000 31000 46000 64000

DFOA Heating

Data

Gas Heat Input

(MBh) min

131 267 370 534 740 904 1150 1808 740 1068 1479 2054 2465 3616

Gas Heat Input

(MBh) max

423 599 845 1197 1550 2113 2817 4226 1690 2536 3663 4367 5917 7748

DFOA Fan

Fan Wheel Size,

Dia-Wic

09-Jan 12-Jan 15-Jan 18-Jan - - - - 15-Feb 18-Feb 20-Feb 22-Feb 25-Feb Feb-

Motor HP .75-5 1.5-5 2-7.5 10-Mar - - - - 15-May 7.5-20 7.5-25 15-30 15-50 20-60

DFOA Filters,

2”

Quantity 9 9 9 9 - - - - 181825253636

Size (inches) 20 x 15 20 x 15 20 x 15 20 x 15 - - - - 20 x 15 20 x 15 20 x 20 20 x 20 20 x 25 20 x

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Trane DFOA Installation Operation & Maintenance

Brand: Trane

Model: DFOA

Type: Installation Operation & Maintenance

This manual is also suitable for

DFIA

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Trane DFOA Installation Operation & Maintenance

This manual is also suitable for

Trane DFOA Installation Operation & Maintenance

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