Rheem GHE100SS Use & Care Manual Download Page 47

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Replacement Parts

Instructions For Placing a Parts Order

All parts orders should include:
The model and serial number of the water heater

from the rating plate.

Specify type of gas (natural or LP) as marked on

the rating plate.

Part description (as noted below) and number of

parts desired.

CAUTION: For your safety

DO NOT

attempt repair of gas piping,

gas control burner, vent connectors or other safety devices. Refer
repairs to qualified service personnel.

Flame Sensor Kit

Control Board

Display Kit

Relief Valve

Water Temperature and
ECO Probe

Power Anode

Lower Thermostat

Transformer Wire Harness

Hand Hole

(under cover)

Drain Valve

Exhaust Tee
Assembly

Water Flow Sensor

Auto Shut-off

On / Off Switch

POF & Intake

Pressure switch

Side Panel
Covers

Top Pan Wire
Harness

Blower / Gas Valve /
Burner Assembly Kit

Igniter Kit

Summary of Contents for GHE100SS

Page 1: ...rmation For use with the following models GHE80SS GHE80SU GHE100SS GHE100SU CATEGORY IV Models Fan Assisted Combustion AVOID FIRES AND EXPLOSIONS Do not store or use gasoline other flammable vapors or liquids or other combustible materials in the vicinity of this or any other appliance Doing so may result in a explosion or fire WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not t...

Page 2: ...ecified procedure or maintain a specific condition READ ALL SAFETY INFORMATION Operating Instructions Ignition Instructions 31 Water Temperature 32 Emergency Shut Down 32 User Interface 33 39 Troubleshooting Before You Call For Service 38 46 Alarm and Alert Codes 40 46 Customer Service Parts List 47 Wiring Diagrams 48 How to Obtain Service Assistance 52 Care and Cleaning Pressure Switch Inspection...

Page 3: ...from the factory The illustration information on pages 33 36 shows the dis play and how to adjust the water temperature Hotter water increases the potential for hot water SCALDS NOTICE Mixing valves are recommended for reducing point of use water temperature by mixing hot and cold water in branch water lines It is recommended that a mixing valve complying with the Standard for Temperature Actuated...

Page 4: ... IS PRESENT OR SUSPECTED DO NOT attempt to find the cause yourself DO NOT try to light any appliance DO NOT touch any electrical switch DO NOT use any phone in your building Leave the building immediately and make sure your fam ily and pets leave also Leave the doors open for ventilation and contact the gas supplier a qualified service agency or the fire depart ment Keep the area clear until the s...

Page 5: ... kit is available from the distributor or store where the water heater was purchased When installed according to the instructions supplied with the kit these heaters will meet the NSF international requirements E CORROSIVE ATMOSPHERES The heater should not be installed near an air supply containing halogenated hydrocarbons For example the air in beauty shops dry cleaning establishments photo proce...

Page 6: ...e outlet of the water heater and storage tank s if provided See Fig 2 3 RELIEF VALVE A new factory installed combina tion pressure and temperature relief valve comply ing with the Standard for Relief Valves and Auto matic Gas Shutoff Devices for Hot Water Supply Systems ANSI Z21 22 or Standard CSA 4 4 Tem perature Pressure Temperature and Pressure Relief Valves and Vacuum Relief Valves is provided...

Page 7: ... new neutralizer Rheem part number AP16770 Re attach the exhaust tee to the heater Pour approximately 1 cup of water into the exhaust tee Re attached the venting It is very important that the condensate line is sloped away from the heater and down to a suitable inside drain If the condensate outlet on this unit is lower than the drain you must use a con densate removal pump It is also important th...

Page 8: ...pipe and fittings All exhaust venting materials for products installed in Canada must meet ULC S636 PVC Schedule 40 ASTM D 1785 CPVC Schedule 40 ASTM F 441 ABS Schedule 40 ASTM D 2661 Not permitted in Canada PVC Cellular Core Schedule 40 ASTM F 891 Not permitted in Canada The fittings other than the VENT TERMINAL should be equivalent to the following PVC Schedule 40 DWV ASTM D 2665 Installation Fi...

Page 9: ...charts in Table 1 for the pipe sizes and the total equiv alent length of pipe that can be used DO NOT exceed the equivalent length of pipe in the charts Depending on the size of pipe selected for venting the water heater it may be necessary to use a fitting for stepping up or down in pipe size to connect to the water heater All models are shipped with 3 vent ter minals with screen If another size ...

Page 10: ...eater In cold climates precautions may need to be taken to insure that the condensate drain does not freeze Make sure the condensate trap or drain loop is installed to prevent flue gases from being discharged into the room Refer to the Venting section page 8 of this manual for complete instructions on venting and condensate drainage Stress levels in the pipe and fittings can be significantly incre...

Page 11: ...cause the water heater to malfunction or cause a lock out condition Installation Feet to Meters 20 6 1 50 15 2 60 18 3 70 21 3 80 24 4 100 30 5 120 36 6 130 39 6 170 51 8 Power Vent Max Vent Length Eq Ft Rigid Pipe Diameter Inlet Models Altitude Range 2 5 cm 3 8 cm 4 10 cm 6 15 cm Inlet Outlet Inlet Outlet Inlet Outlet Inlet Outlet GHE80SU 130 A or GHE80SU 160 A 0 8999 Ft 0 2743 m 1 0 31 m 35 10 7...

Page 12: ... 6 1 m 35 10 7 m 60 18 3 m 75 22 9 m 120 36 6 m 135 41 1 m 120 36 6 m 135 41 1 m GHE100SU 130 A or GHE100SU 160 A 0 2000 0 609 m 20 6 1 m 35 10 7 m 60 18 3 m 75 22 9 m 120 36 6 m 135 41 1 m N A N A 2001 8999 610 2743 m 20 6 1 m 35 10 7 m 40 12 2 m 55 16 8 m 120 36 6 m 135 41 1 m N A N A GH100SU 200 A or GHE100SU 250 A or GHE100SU 300 A 0 2000 0 609 m 20 6 1 m 35 10 7 m 60 18 3 m 75 22 9 m 120 36 6...

Page 13: ...to the exterior of the building is to be expected however improper location or installation can result in severe damage to the structure or exterior finish of the building In locations with extended amounts of time with temperatures under 40 F 4 C and or prevailing wind toward the outlet vent make sure that the outlet VERTICAL VENT INSTALLATION Once the vent terminal location has been determined m...

Page 14: ... to inside corner Figure 8 1 In accordance with current CAN CSA B149 1 Installation Codes 2 In accordance with current ANSI Z223 1 NFPA 54 National Fuel Gas Code A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings Clearance in accordance with local installation codes and the requirements of the gas sup...

Page 15: ...ylsulfone in non metallic venting systems is prohibited In a horizontal application it is important that condensate not be allowed to buildup in the exhaust vent pipe To prevent this from happening the pipe should be installed with a slight upward slope of per foot The vent system must be supported every 5 feet of vertical run and every 3 feet of horizontal run of vent pipe length Failure to prope...

Page 16: ...ner Figure 9 1 In accordance with current CAN CSA B149 1 Installation Codes 2 In accordance with current ANSI Z223 1 NFPA 54 National Fuel Gas Code A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings Clearance in accordance with local installation codes and the requirements of the gas supplier H Cleara...

Page 17: ...System A 6 inch pipe can be used on 300 000 Btu h models and above EVERY 3 MAX When 6 inch pipe is used start pipe supports as close as possible to unit 2 3 4 OR 6 INCH PIPE AND FITTINGS SUPPORT BRACKET 45 TERMINAL 1 IN MAX WALL WATER HEATER DRAIN PAN FLOOR ...

Page 18: ... then the installation must be modified as shown below see Figure 11a Figure 11a Vent Terminal Low Ground Clearance 90 INTAKE TERMINAL EXHAUST TERMINAL D D GROUND LEVEL GROUND LEVEL 1 2 54 CM 1 2 54 CM D Min of 12 31 cm above grade Min of 12 31 cm above anticipated snow level Max of 24 61 cm with out additional support EVERY 3 MAX 1 IN MAX WALL DRAIN PAN WATER HEATER FLOOR SUPPORT BRACKET 2 3 4 OR...

Page 19: ...Min 16 Figure 12b Multiple Unit Venting NOTICE 11c can also be configured for 4 units Figure 11d Optional Configuration Example of 8 Units Vent 36 Min Intake Exhaust Intake Exhaust 24 to 36 Heater 1 24 to 36 Heater 2 24 Min Intake Exhaust Intake Exhaust 24 to 36 Heater 3 24 to 36 Heater 4 24 Min 36 Min Intake Exhaust 24 to 36 Heater 5 24 to 36 Heater 6 24 Min Intake Exhaust Intake Exhaust 24 to 36...

Page 20: ...now level Max 24 in 61 cm above roof without additional support Terminals with 1 2 in 1 3 cm Mesh Protective Screen Elbow Short Piece of Pipe D Combustion Air Inlet D Alternate vertical venting with exhaust vent turned down preferred for cold climates Terminals spacing for horizontal or vertical venting Exhaust Vent 24 61 CM Min Support required 90 Intake Terminal Support Bracket Water Heater Floo...

Page 21: ...roof Min of 12 30 5 cm above anticipated snow level Max 24 61 cm above roof without additional support 90 Combustion Air Inlet Terminal with Screen Water Heater Support Bracket Exhaust Terminal Alternate vertical venting with exhaust vent turned down preferred for cold climates Recommended support bracket be placed on horizontal run Min of 18 46 cm above roof Min of 12 30 5 cm above anticipated sn...

Page 22: ...22 Installation Figure 15 Direct Vent Vertical Vent Horizontal Intake Direct Vent Horizontal Vent Vertical Intake ...

Page 23: ...may cause intermittent problems CAUTION Installation Installation 1 Become familiar with concentric vent kit parts see charts above 2 Determine the best location for the termination kit 3 Cut the recommended diameter hole for the nominal PVC pipe size called out in the charts above Dim D 4 Partially assemble the vent kit by performing the following a Cement concentric Y fitting to larger diameter ...

Page 24: ... the pipe STEP 3 Secure the combustion air inlet pipe using a field supplied perforated strap or a suitable type material see Figure 16 STEP 4 Assemble the vent pipe assembly by cleaning and cementing the rain cap to the smaller diameter vent pipe Note If field disassembly is desired for cleaning a stainless steel screw may be used to secure the rain cap to the PVC vent pipe When using the alterna...

Page 25: ...mponents will cause a failure of the system allowing combustion products to be recirculated Failure to follow this warning could result in personal injury of death DO NOT operate the water heater with the rain cap removed or recirculation of combustion products may occur The vent air pipes may also take in water causing damage to the water heater Failure to follow this warning could result in dama...

Page 26: ... CURRENT PVC TERMINALS Nominal Pipe Diameter PVC to PP Adapter Locking Band 45 Degree Elbow 90 Degree Elbow Vent Material Terminals 2 3 4 2PPS ADL 3PPS ADL 4PPS ADL 2PPS LB2 3PPS LB2 4PPS LB2 2PPS E45L 3PPS E45L 4PPS E45L 2PPS E90L 3PPS E90L 4PPS E90L 2PPS 12L 36L 72L 3PPS 12L 36L 72L 4PPS 12L 36L 72L USE CURRENT PVC TERMINALS The GHE80SS SU and 100SS SU models can be vented using rigid polypropyl...

Page 27: ...ger and then apply to the outer gasket Straight piece of PP pipe connected to a PP to PVC adapter vent terminal installed onto a PP to PVC adapter Note The hole through the wall should be sized for the PP pipe which has a smaller OD than PVC pipe PP pipe PVC to PP adapter Make sure to lubricate all gaskets external and internal Centrocerin lubricant for Centrotherm PP pipe and fittings PVC pipe sh...

Page 28: ...ommend a connector ring to be installed between the PVC part and the PP part The connector ring for the Centrotherm pipe either IAFC02 IAFC03 or IAFC04 is shown below The connector ring for the M G Duravent pipe is shipped with the PVC to PP adapter Pipe and fittings are then installed to reach the area for the vent terminations Each bell end of the pipe has a gasket which should be lubricated bef...

Page 29: ...o the PP to PVC adapter Cut a piece of PP pipe that is long enough to go through the wall and have about 2 protruding on each side of the wall The PP to PVC adapter can either be installed on the pipe or into the vent terminal for the next step The final step is to make sure the vent terminal is attached and secured to the adapter Installation ...

Page 30: ...densate neutralizer installed if required G Wiring Correct power supply 120 VAC Electrical connections are tight Water heater is properly grounded with proper polarity Installation Check List TABLE 2 For U S Installations Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressures of 0 5 psig or Less and a Pressure Drop of 0 3 Inch Water Column Based on a 0 60 Specific Gravity Natural...

Page 31: ...d printed in this manual Failure to do so can result in unsafe operation of the water heater resulting in property damage bodily injury or death Should you have any problems reading or understanding the instructions in this manual STOP and get help from a qualified person Do not use and follow the gas supplier s WITH THE SWITCH instructions any phone in your building Call or ...

Page 32: ...ear the faucet at the time it is open SAFETY PRECAUTIONS CAUTION 1 TEMPERATURE SETTINGS The temperature is adjusted to120 F when shipped from the factory To meet commercial water use needs it is adjustable up to 185 F 85 C However water temperatures over 125 F 52 C can cause severe burns instantly or death from scalds This is the preferred starting point for setting the control for supplying gener...

Page 33: ...djustment Tank temperature will be maintained according to the setting on the home screen If the water temperature setting needs adjustment use the arrows on the display to select desired temperature The display also has a rapid temperature adjustment feature that corresponds to the below temperature set tings Warm 110 F Hot 140 F Very hot 180 F Touching the text warm hot or very hot will adjust t...

Page 34: ... heater will alarm only during the operating hours SCHEDULE SETTINGS The schedule settings allows you to control when your hot water heater will be enabled disabled Your heater allows you to select a day you want and set the times when the heater will be in use You can also copy paste the day you select and apply it to other days as well TIME DATE SETTINGS By selecting time date you can change the...

Page 35: ... it up By selecting more you can access the temperatures of your water heater ECO switch state and auxiliary switch state Selecting the Wi Fi setup function will bring you to a prompt allow ing you to connect your water heater to your home Wi Fi Current Alarms and Alarm History allows you to access any current alarms that have been tripped and view a list of previous alarms System Health will show...

Page 36: ...ana tion of the current alarm The health of your system s combustion system and overall health can be seen here This screen be accesed by tapping the health indi cator icons on the home screen This symbol will appear on your home screen if your combustion health is critical Pressing this icon will take the user to the Health Status Screen This symbol will appear if your tank health status has reac...

Page 37: ...on program set up initially for frequent inspection The first inspection should be within a six month period Once the scaling tendencies have been established the inspection program can be modified to suit the water conditions Cleaning should be performed if the scale has accumulated above the drain valve opening A wet dry shop vac with a nozzle fashioned from 1 and or 3 4 polyethylene pipe makes ...

Page 38: ... open Check to make sure that all manual shut off valves between the unit and the gas line are open Blocked inlet or exhaust vent pipe Contact a qualified service technician to evaluate vent pipes for a blockage Pressure switch Make sure the pressure switch hoses are not kinked or disconnected Blocked inlet or outlet vent systems will cause pres sure switch to shut off the unit Contact a qualified...

Page 39: ...ify that the electrical supply line and unit have proper ground connection Main burner does not stay lit Burner flame not contacting sensor rod Call a qualified service technician to review flame rectification Unit or electrical supply line not properly grounded Verify the electrical supply line and unit have proper ground connection Not enough or no hot water Water usage exceeded the capacity Wai...

Page 40: ...provider A005 The proof of air flow switch was detected open during pre purge operation This will disable the heater A005 PoF Switch error E Check Blower Wiring Check switch wiring and venting If prob lem persists please contact technical support or service provider A006 The proof of air flow switch was detected open during post purge operation A006 PoF Switch error P Check Blower Wiring Check swi...

Page 41: ... to use and care manual or contact technical support T020 Lower tank inlet temperature sensor thermis tor detected open T020 Lower Tank Sensor open Check wiring Check wiring to sensor If condition per sists refer to use and care manual or contact technical support T021 Lower tank inlet temperature sensor thermis tor detected short circuited T021 Lower Tank Sensor shorted Call Tech Svc Check wiring...

Page 42: ...ntrol is no longer communi cating with the ignition control This will override any other anode based alarms A031 Powered Anode Communication failure Unit will continue to operate Please con tact your qualified service provider T032 Lower inlet thermistor analog to digital con verter fault T032 Lower Tank temp A D error Call Tech Svc If problem persists please contact techni cal support or service ...

Page 43: ... board replacement if persistent This will disable the heater A042 Controller EEPROM fault Call Tech Svc If problem persists please contact techni cal support or service provider A043 This is a control board hardware fault and re quires control board replacement if persistent This will disable the heater A043 IC Program execution fault Call Tech Svc If problem persists please contact techni cal su...

Page 44: ...time This will disable the heater A111 Shutoff Valve Test Open Error Water heater has been disabled Manually open valve Please contact technical support or service provider A112 Automatic shutoff valve premium models only is closed This will disable the heater A112 Shutoff Valve Not Open Heating Disabled Manually open valve if no water detected or if unit is not being serviced Contact technical su...

Page 45: ... anode con troller for 60 seconds If the green LED on top of the anode control is solid the anodes are still protecting the tank T122 Powered Anode Control Comm Failure Check wiring connections of the anode control board If error persists please contact technical support or service provider T123 Anode open circuit This can be caused by wiring damage wiring disconnected or anode damage T123 Upper A...

Page 46: ...more anode elements T132 Middle Anode Pre Overload Middle Anode near end of useful life but will continue protecting tank Please contact technical support T133 Anode open circuit This can be caused by wiring damage wiring disconnected or anode damage T133 Lower Anode Open Check wiring connections for the upper anode If error persists please contact technical support or service provider T134 Anode ...

Page 47: ...safety DO NOT attempt repair of gas piping gas control burner vent connectors or other safety devices Refer repairs to qualified service personnel Flame Sensor Kit Control Board Display Kit Relief Valve Water Temperature and ECO Probe Power Anode Lower Thermostat Transformer Wire Harness Hand Hole under cover Drain Valve Exhaust Tee Assembly Water Flow Sensor Auto Shut off On Off Switch POF Intake...

Page 48: ...Wiring and Schematic Diagrams Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation VERIFY PROPER OPERATION AFTER SERVICING CAUTION AX5631 ...

Page 49: ...49 NOTES ...

Page 50: ...50 NOTES ...

Page 51: ...51 NOTES ...

Page 52: ...r is unavailable refer to the telephone directory commercial listings or local utility for qualified service assistance 2 Should your problem not be solved to your complete satisfaction you should then contact the Manufacturer s National Service Department at one of the following addresses In The U S A Rheem Manufacturing Co Water Heater Division ATTN Technical Service 800 Interstate Park Drive Mo...

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