Rheem PRO+G50-40N RH67 PD User guide
- Category
- Water heaters & boilers
- Type
- User guide
AP15875-2 (05/11)
!
FOR YOUR SAFETY!
Do not store or use gasoline or other
flammable vapours or liquids or other
combustible materials in the vicinity of this or
any other appliance. To do so may result in an
explosion or fire.
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 neighbour’s phone. Follow the gas
supplier’s instructions.
● If you cannot reach your gas supplier, call
the fire department.
● Do not return to your home until authorized
by the gas supplier or fire department.
Improper installation, adjustment, alteration,
service or maintenance can cause property
damage, personal injury, or death. Refer to
this manual. Installation and service must be
performed by a qualified installer, service
agency or the gas supplier.
WARNING: If the information in these instructions is not followed exactly,
a fire or explosion may result causing property damage, personal injury or death.
!
Do not destroy this manual. Please read carefully and keep in a safe place for future reference.
Recognize this symbol as an indication of Important Safety Information!
CERTIFIED
R
Warning: This water heater is not suitable
for use in manufactured (mobile) homes!
!
!
FVIR Certified
Printed in USA
Customer Service
Parts List . . . . . . . . . . . . . . . 26
If You Need Service . . . . . . .28
Staple sales slip or cancelled check here.
Inside you will find many helpful hints on how to use and
maintain your water heater properly. A little preventive care
on your part can save you time and money over the life of your
water heater.
You’ll find many answers to common problems in
the Troubleshooting Guide. If you review the chart of
Troubleshooting Tips first, you may not need to call for service.
Your safety and the safety of others are very important. There
are many important safety messages in this manual and on your
appliance. Always read and obey all safety messages.
!
This is the safety alert symbol. Recognize this symbol
as an indication of Important Safety Information!
This symbol alerts you to potential hazards that can
kill or hurt you and others.
All safety messages will follow the safety alert symbol and
either the word “DANGER”, “WARNING”, “CAUTION” or
“NOTICE”.
These words mean:
!
DANGER
An imminently hazardous situation
that will result in death or serious
injury.
!
WARNING
A potentially hazardous situation that
could result in death or serious injury
and/or damage to property.
!
CAUTION
A potentially hazardous situation that
may result in minor or moderate
injury.
Notice:
Attention is called to observe a
specified procedure or maintain
a specific condition.
Safety Information
Safety Precautions . . . . . . 3–6
LP Gas Models . . . . . . . . . . . 5
Installation Instructions
Location . . . . . . . . . . . . . . . . . 7
Water Supply Connections 9
Flue Damper . . . . . . . . . . . . .10
Gas Supply . . . . . . . . . . . . . 11
Pipe Insulation . . . . . . . . . . .14
Heat Traps . . . . . . . . . . . . . .14
Installation Checklist . . . . .15
Potable/Space Heating . . . 16
Operating Instructions
Lighting Instructions . . . . 17
Water Temperature . . . 18, 19
Troubleshooting Tips
Before You Call
For Service . . . . . . . . . . 22, 23
LED Codes . . . . . . . . . . 24, 25
Care and Cleaning
Draining . . . . . . . . . . . . . . . 20
Maintenance . . . . . . . . . . . . 20
Burner Inspection . . . . . . . 21
Extended Shut-Down . . . . .21
Be sure to read and understand the entire Use and Care Manual before attempting to install or operate
this water heater. It may save you time and money. Pay particular attention to the Safety Instructions.
Failure to follow these warnings could result in serious bodily injury or death. Should you have
problems understanding the instructions in this manual, or have any questions, STOP, and get help
from a qualified service technician, or the local gas utility.
Failure to install the draft hood and properly vent the water heater to the outdoors as
outlined in the Venting Section of the Installation Instructions in this manual can result in
unsafe operation of the water heater. To avoid the risk of fire, explosion, or asphyxiation
from carbon monoxide, never operate this water heater unless it is properly vented and
has an adequate air supply for proper operation. Be sure to inspect the vent system
for proper installation at initial start-up; and at least annually thereafter. Refer to the
Care and Cleaning section of this manual for more information regarding vent system
inspection.
Gasoline, as well as other flammable materials and liquids (adhesives, solvents, paint
thinners etc.), and the vapours they produce are extremely dangerous. DO NOT handle,
use or store gasoline or other flammable or combustible materials anywhere near or in the
vicinity of a water heater or any other appliance. Be sure to read and follow warning label
pictured below and other labels on the water heater, as well as the warnings printed in
this manual. Failure to do so can result in property damage, bodily injury or death.
!
!
!
!
FLAMMABLES
Flammable Vapors
FIRE AND EXPLOSION HAZARD
Can result in serious injury or death.
Do not store or use gasoline or other flammable vapors and liquids
in the vicinity of this or any other appliance. Storage of or use of gasoline
or other flammable vapors or liquids in the vicinity of this or any other
appliance can result in serious injury or death.
W A R N I N G
Time/Temperature Relationship in Scalds
DANGER: Households with small children,
disabled, or elderly persons may require a 120°F
(49°C) or lower gas control (thermostat) setting to
prevent contact with “HOT” water.
D A N G E R
!
HOT
Water temperature over 125°F can
cause severe burns instantly or
death from scalds.
Children, disabled and elderly are
at highest risk of being scalded.
See instruction manual before
setting temperature at water
heater.
Feel water before bathing or
showering.
Temperature limiting valves are
available, see manual.
BURN
!
Safety and energy conservation are factors to be considered when selecting the water
temperature setting of a water heater’s gas control. Water temperatures above 125°F (52°C)
can cause severe burns or death from scalding. Be sure to read and follow the warnings
outlined on the label pictured below. This label is also located on the water heater.
Notice: Mixing valves are available for reducing point
of use water temperature by mixing hot and cold water
in branch water lines. Contact a licensed plumber or the
local plumbing authority for further information.
!
!
DANGER: Hotter water increases the potential for
Hot Water SCALDS.
49°C (120°F) More than 5 minutes
52°C (125°F) 1
1
/2 to 2 minutes
54°C (130°F) About 30 seconds
57°C (135°F) About 10 seconds
60°C (140°F) Less than 5 seconds
63°C (145°F) Less than 3 seconds
66°C (150°F) About 1
1
/2 seconds
68°C (155°F) About 1 second
LP and Natural gas have an odorant added to aid in detecting a gas leak. Some people
may not physically be able to smell or recognize this odorant. If you are unsure or
unfamiliar with the smell of LP or natural gas, ask the gas supplier. Other conditions,
such as “odorant fade”, which causes the odorant to diminish in intensity, can also hide or
camouflage a gas leak.
● Water heaters utilizing LP gas are
different from natural gas models. A
natural gas water heater will not function
safely on LP gas and vice versa.
● No attempt should ever be made to
convert the water heater from natural
gas to LP gas. To avoid possible
equipment damage, personal injury or
fire, do not connect the water heater to a
fuel type not in accordance with the unit
data plate. LP for LP units. Natural gas
for natural gas units. These units are not
certified for any other fuel type.
● LP appliances should not be installed
below grade (for example, in a basement)
if such installation is prohibited by
federal, state and/or local laws, rules,
regulations or customs.
● LP gas must be used with great caution.
It is heavier than air and will collect first
in lower areas making it hard to detect at
nose level.
● Before attempting to light the water
heater, make sure to look and smell for
gas leaks. Use a soapy solution to check
all gas fittings and connections. Bubbling
at a connection indicates a leak that must
be corrected. When smelling to detect a
gas leak, be sure to sniff near the floor
also.
● Gas detectors are recommended in LP
& natural gas applications and their
installation should be in accordance
with the detector manufacturer’s
recommendations and/or local laws,
rules, regulations or customs.
● It is recommended that more than one
method, such as soapy solution, gas
detectors, etc., be used to detect leaks in
gas applications.
!
DANGER: If a gas leak is present or
suspected:
● Donotattempt to find the cause yourself.
● Donot try to light any appliance.
● Donot touch any electrical switch.
● Donot use any phone in your building.
● Leave the house immediately and make
sure your family and pets leave also.
● Leave the doors open for ventilation
and contact the gas supplier, a qualified
service agency or the fire department.
● Stay away from the house (or building)
until the service call has been made, the
leak is corrected and a qualified agency
has determined the area to be safe.
!
!
For your safety, the information in this manual must be followed to minimize the risk of
fire or explosion, electric shock, or to prevent property damage, personal injury, or loss of
life.
●
●
●
● Do not
The water heater should not be located in
an area where leakage from the tank or
connections will result in damage to the area
adjacent to the heater or to lower floors of the
structure.
When such areas cannot be avoided it is
recommended that a suitable catch pan,
adequately drained, must be installed under
the water heater.
The pan must not restrict air flow to the
combustion air inlet openings (perforation
openings) located around the lower perimeter of
the water heater.
When installed in a closet, DO NOT block
or obstruct any of the combustion air inlet
openings located around the perimeter of the
water heater. A minimum of 1” (2.5 cm) is
required between these combustion air inlet
openings and any obstruction.
When installed in a closet, DO NOT block
or obstruct any of the combustion air inlet
openings located around the perimeter of the
water heater. A minimum of 1” is required
between these combustion air inlet openings
and any obstruction.
DO NOT obstruct or block the Flammable
Vapor Sensor.
shut down condition of the water
heater which will not allow the water heater
to ignite until examined by a Qualified Service
Technician.
●
●
●
● Do not
●
●
Location
!
WARNING: Combustible
construction refers to
adjacent walls and ceilings
and should not be confused
with combustible or
flammable products and
materials. Combustible
and/or flammable products
and materials should never
be stored in the vicinity of
this or any gas appliance.
Top View Closet
Top View Alcove
The auxiliary catch pan
installation MUST conform
to local codes.
Location Front Sides Rear Top
Installing the water heater
This water heater must be installed in accordance with these instructions, local codes, utility company
requirements, and/or in the absence of local codes, use the latest edition of the American National Standard/
National Fuel Gas Code. A copy can be purchased from either the American Gas Association, 400 N. Capitol Street
NW, Washington, DC 20001 as ANSI standard Z223.1 or National Fire Protection Association, 1 Batterymarch
Park, Quincy, MA 02269 as booklet NFPA 54. For Canada Installations use CAN/CSA B149 - Natural Gas and
Propane Installation Code. A copy can be purchased from the Canadian Standards Association, 5060 Spectrum
Way, Suite 100, Mississauga, Ontario, Canada, L4W 5N6
Installing the water heater
Combustion and Ventilation Air
Proper operation of the water heater
requires air for combustion and
ventilation. Provisions for combustion
and ventilation air must comply with
the latest edition of the CAN/CSA
B149.1 Natural Gas and Propane
Installation Code.
When installed in a closet, DO NOT block
or obstruct any of the combustion air inlet
openings located around the perimeter of
the water heater. A minimum of 1” (2.5 cm)
is required between these combustion air
inlet openings and any obstruction.
NOTICE: If the water heater is installed
in an unconfined space within a building
of conventional frame, masonry or metal
construction, infiltration air is normally
adequate for proper combustion and
ventilation. If the water heater is installed in
a confined space, provisions for combustion
and ventilation air must be made.
T
NOTICE: If the duct openings which supply
combustion and ventilation air are to be
covered with a protective screen or grill,
the net free area (openings in the material)
of the covering material must be used
in determining the size of the openings.
Protective screening for the openings MUST
NOT be smaller than 1/4” (0.64 cm) mesh to
prevent clogging by lint or other debris.
Corrosive Atmospheres
NOTICE: The water heater
should not be installed near
an air supply containing
halogenated hydrocarbons.
Inspect Shipment
Thermal Expansion
Determine if a check valve exists in the inlet
water line. Check with your local water
utility company.
“closed
water system”
“open”
“thermal expansion”“open”
“closed water system”
“thermal
expansion”
will not
Typical Installation
Water Supply Connections
IMPORTANT: Do not
apply heat to the HOT or
COLD water connections. If
sweat connections are used,
sweat tubing to adapter
before fitting adapter to the
cold water connections on
heater. Any heat applied
to the cold water supply
fittings will permanently
damage the dip tube.
NOTICE: The Canadian
Standards Association
mandates a manual gas
shut off valve: See CSA
B149- Installation Code for
complete instructions.
When Pex water piping
is used do not connect
pex directly to the tank.
A minimum 12" (31cm)
copper pipe at the tank
inlet and outlet connections
must be used.
Installing the water heater
A new combination temperature and pressure relief valve, complying with the Standard for Relief Valves
and Automatic Gas Shut-Off Devices for Hot Water Supply Systems, ANSI Z21.22/CSA 4.4, is supplied
and must remain in the opening provided and marked for the purpose on the water heater. No valve of
any type should be installed between the relief valve and the tank. where applicable, local codes shall
govern the installation of relief valves.
Relief Valve
To Fill the Water Heater
WARNING: The tank
must be full of water before
heater is turned on. The
water heater warranty does
not cover damage or failure
resulting from operation
with an empty or partially
empty tank.
Condensation
!
Flue Damper
Follow these instructions for proper installation and operation
WARNING: Do not
attempt to convert this
water heater for use with
a different type of gas
other than the type shown
on the rating plate. Such
conversion could result
in hazardous operating
conditions.
Leak Testing
High Altitude
Gas Supply
WARNING: Never use
an open flame to test for
gas leaks, as property
damage, personal injury, or
death could result.
WARNING: Failure
to install a water heater
suitable for the altitude at
the location it is intended
to serve, can result in
improper operation of
the appliance resulting
in property damage and/
or, producing carbon
monoxide gas, which could
result in personal injury,
or death.
!
!
!
Pressure Testing the Gas Supply System
Installing the water heater
Wiring Diagram
CAUTION! Label all wires prior to disconnection when servicing controls. Wiring errors can cause
improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING!
This water heater is factory installed with a 3-pin 24VAC wall transformer. A 19 feet long length of wire is provided
for easy access to an outlet. Do not use an extension cord for powering this water heater. If the supplied power
cord is insufficient to reach a power outlet, a 30 foot power cord assembly is available as an accessory. Contact the
service department to obtain and replace the power cord assembly that was shipped with the heater.
H
H
The water heater must be installed with the factory supplied draft hood in place.
Venting
Insulation Blankets
DANGER: Failure to
install the draft hood and
properly vent the water
heater to the outdoors as
outlined in the Venting
section of this manual will
result in unsafe operation
of the water heater causing
bodily injury, explosion,
fire or death. To avoid the
risk of fire, explosion, or
asphyxiation from carbon
monoxide, NEVER operate
the water heater unless
it is properly vented and
has adequate air supply
for proper operation as
outlined in the Venting
section of this manual.
WARNING: If local codes
require external application
of insulation blanket
kits the manufacturer’s
instructions included with
the kit must be carefully
followed.
!
!
DO
❑ DO
❑DO
❑DO
❑DO
❑DO
❑DO
DON’T
❑DON’T
❑DON’T
❑ DON’T
❑DON’T
❑ DON’T
During Installation of this water heater...........
Heat Trap
Hot and Cold Pipe Insulation Installation
°
°
Typical vertical piping arrangement
Typical horizontal piping arrangement
Installing the water heater
Installation Checklist
A. Water Heater Location
B. Water Supply
C. Gas Supply
D. Relief Valve
E. Venting
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
❑
.
❑
❑
.
F. Wiring
❑
❑
❑
Tee fitting for vertical hot
water supply lines.
Hot water
supply to
house
From HOT
outlet on
water heater
Hot water
supply to
heating
unit
Supplemental instructions for gas water heaters installed in
potable/space heating applications.
Local codes or plumbing authority requirements may vary from the instructions or diagrams provided in this
manual and take precedent over these instructions.
Tee fitting for horizontal hot
water supply lines.
From HOT
outlet on
water heater
Hot water
supply to
house
Hot water supply
to heating unit
Combination Potable and Space Heating Application
DANGER: When this system requires
water for space heating at elevated
temperatures (above 125°F [52°C.]), a mixing
or tempering valve must be installed in the
hot water supply line to the house in order to
reduce the scald hazard potential.
DANGER: Any piping or components used
in the installation of this water heater in
a combination potable and space heating
application must be suitable for use with
drinking water.
DANGER
: If this water heater is installed
in an application intended to supply
domestic hot water needs and hot water
for space heating purposes, do not connect
the heater to an existing heating unit or
components of a heating system that have
previously been used with a non drinking
water system. Toxic chemicals such as those
used for boiler treatment may be present
and will contaminate the drinking water
supply causing possible health risks. Never
introduce toxic chemicals, such as those used
for boiler treatment, into this system.
!
!
!
Typical Piping Diagram for Combination Potable/Space Heating Installation
Lighting the water heater
Before operating this water heater, be sure to read and follow the instructions on the label pictured
below and all other labels on the water heater, as well as the warnings printed in this manual. Failure to
do so can result in unsafe operation of the water heater resulting in property damage, personal injury,
or death . Should you have any problems reading or following the instructions in this manual, STOP,
and get help from a qualified person.
FOR YOUR SAFETY READ BEFORE OPERATING
OPERATING INSTRUCTIONS
TO TURN OFF GAS TO APPLIANCE
If you cannot reach your gas supplier,
call the fire department.
instuctions.
C.
Do not use this appliance if any part has
been under water. Immediately call a
qualified installer or service agency to
replace a flooded water heater. Do not
attempt to repair the unit! It must be
replaced!
Use only your hand to turn the thermostat
dial. Never use tools. If the dial will
not turn by hand, do not try to repair it,
call a qualified service technician. Force
or attempted repair may result in fire or
explosion.
D.
9.
10.
STOP! Read the safety information above
on this label.
Set the thermostat dial to the lowest
setting
Slide the “ON/OFF” switch located on
the gas control to the “OFF” position.
Turn off all electric power to the
appliance.
This appliance is equipped with an
ignition device which automatically
lights the pilot. DO NOT attempt to light
the pilot by hand.
Wait five (5) minutes to clear out any gas.
If you smell gas, STOP! Follow “B’ in the
safety inf
ormation above on this label. If
you do not smell gas, go to the next step.
Turn on electric power to the appliance.
Slide the ”ON/OFF” switch located on
the gas control to the “ON” position.
1.
3.
2.
1.
2.
3.
4.
5.
6.
7.
8.
Immediately call your gas supplier from a
neighbor’s phone. Follow the gas suppliers
Do not try to light any appliance.
Do not touch any electric switch; do not
use any phone in your building.
WHAT TO DO IF YOU SMELL GAS
This appliance is equipped with an
ignition device which automatically lights
the pilot. DO NOT try to light the pilot by
hand.
A.
BEFORE PUTTING THIS APPLIANCE INTO
SERVICE - Smell all around the appliance
area for gas. Be sure to smell next to the
floor because some gas is heavier than air
and will settle on the floor.
B.
Set the thermostat dial to the desired
setting.
If the appliance will not operate,
follow the instructions “TO TURN OFF
GAS TO APPLIANCE” and call your
service technician or gas supplier.
Set the thermostat dial to the lowest setting.
Slide the “ON/OFF” switch located on the gas control to the “OFF” position.
Turn off all electric power to the appliance if service is to be performed.
4.
Close the manual gas shut-off valve.
WARNING: If you do not follow these instructions and use the Use & Care
Manual instructions exactly, a fire or explosion may result causing property damage,
personal injury or loss of life.
Do
DoNot
Do Not
Do Not
Do Not
NOTICE: Flammable vapours can be drawn by air
currents from surrounding areas to the water heater.
Operating the water heater
CAUTION: Hydrogen gas can be produced in a hot water system served by this water heater that has not been used for a
long period of time (generally two weeks or more). HYDROGEN GAS IS EXTREMELY FLAMMABLE!! To dissipate such
gas and to reduce risk of injury, it is recommended that the hot water faucet be opened for several minutes at the kitchen sink
before using any electrical appliance connected to the hot water system. If hydrogen is present, there will be an unusual sound
such as air escaping through the pipe as the water begins to flow. Do not smoke or use an open flame near the faucet at the
time it is open.
DANGER: Hotter water
increases the Potential
for Hot Water SCALDS
.
Households with small
children, disabled, or elderly
persons may require a 120°F
(49°C) or lower gas control
(thermostat) setting to
prevent contact with HOT
water.
Water Temperature Setting
!
!
Operating Procedure
Water Temperature Setting…
90° F
113°F
98°F
105°F
120°F
130°F
140°F
150°F
160°F
Temperatures are approximate
Time/Temperature Relationship in Scalds
!
WARNING: Should overheating
occur or the gas supply fail to shut off,
turn off the manual gas control valve to
the appliance
NOTICE: Replace any part of the gas
control system which has been under
water.
Care and cleaning of the water heater
Draining the Water Heater
CAUTION: To shut off gas to the water
heater, slide the ON/OFF switch on the
thermostat control to the "off" position.
Also, shut off the gas on the gas supply line
at the manual gas shutoff before draining the
water heater.
DANGER: Before manually operating
the temperature and pressure relief valve,
make certain no one will be exposed to the
hot water released by the valve. The water
drained from the tank may be hot enough
to present a scald hazard and should be
directed to a suitable drain to prevent injury
or damage.
Housekeeping
DO NOT
block or obstruct any of the
combustion air inlet openings located
around the perimeter of the water heater. A
minimum of 1” (2.5 cm) is required between
these combustion air inlet openings and any
obstruction.
Routine Preventative Maintenance
NOTICE: If the temperature and
pressure relief valve on the hot water
heater discharges periodically, this
may be due to thermal expansion in a
closed water system. Contact the water
supplier or your plumbing contractor on
how to correct this. DO NOT plug the
relief valve outlet.
DANGER: Before
manually operating the
relief valve, make certain
no one will be exposed to
the danger of the hot water
released by the valve. The
water may be hot enough to
create a scald hazard. The
water should be released
into a suitable drain to
prevent injury or property
damage.
DANGER: Combustible
materials, such as clothing,
cleaning materials, or
flammable liquids, etc., must
not be placed against or next
to the water heater.
DANGER: Failure to
perform the recommended
Routine Preventative
Maintenance can harm the
proper operation of this
water heater, which can cause
carbon monoxide dangers,
excessive
hot water temperatures and
other potentially hazardous
conditions.
DANGER: Hotter water
increases the potential for
Hot Water Scalds.
!
!
!
!
!
!
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Rheem PRO+G50-40N RH67 PD User guide
- Category
- Water heaters & boilers
- Type
- User guide
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