GHE80SU

Rheem GHE80SU User Manual

61 pages

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TRITON

80 & 100 Gallon Ultra-High

Efficiency Water Heaters

Service and Training Manual

For use with the following models:

GHE80SS, GHE80SU,

GHE100SS, GHE100SU

CATEGORY IV Models

Fan Assisted Combustion

SVC1020T; Revision 4; January 2020

Table of Contents

Table of Contents2
Introduction4
Safety4
Specifications5
Speed Table6
Component Parts7
Wiring Diagram8
Connection Diagram9
Top View10
Parts11
User Interface14
- Start -U P14
- Temperature Adjustment14
- Setting Menu14
- Status Menu16
- Service Menu16
Display Messages on Controller18
Sequence of Events19
Sequence of Operations22
Safety Functions of the Controls25
- Flame Detection25
- ECO (Energy Cut Off)25
- Pressure Switches25
- Vent Temperature (Flue Gas) Sensor25
- Power Outages26
- Controller Retry and Ignition Attempts26
- Condensate Removal Tube26
Error Codes27
Troubleshooting Error Codes31
- Error A001 Ignition Lockout31
- Error A002 Flame Is Not Stable33
- Error A003 Intake Switch Open33
- Error A004 Pof Open During Heating34
- Error A005 Pof Open During Pre-Purge34
- Error A006 Pof Open During Post Purge34
- Error A007 Exhaust Pressure Switch Open35
- Error A008 Pof/Blower Mismatch35
- Error A010 End of Line Test Failure35
- Error A016 Eco Switch Is Open35
- Error A017 Flue High Flue Temp36
- Error A018 Flue Temp Sensor Open37
- Error A019 Flue Temp Sensor Shorted37
- Error A022 Upper Tank Sensor Is Open37
- Error A023 Upper Tank Temp too Hot38
- Error A024 Upper Tank Sensor Shorted38
- Error A025 N Oblower Rpm Feedback38
- Error A026 Blower Expected Rpm/Actual Rpm Mismatch38
- Error A027 Flame Present before Ignition38
- Error A028 Flame Present Without Heating39
- Error A029 Failed Ignition39
- Error A030 Flame Loss During Heating39
- Error A031 Loss of Anode Communication39
- Error A033-A043 Communication Errors39
- Error A044 Processor Clock/Line Frequency Disagree39
- Error A101 Configuration Data Restore40
- Error A102 Time Clock Needs to be Programmed40
- Error A103 Time Clock Not Advancing Time Properly40
- Error A104 Water Leak Detected40
- Error A108 Ignition Board Communication Failure40
- Error A109 External Co Sensor Alarm40
- Error A110/A111 Shut -Off Valve Monthly Test Close Open Error40
- Error A112 Shutoff Valve Not Open41
- Error A121 no Water Detected in Tank41
- Error T009 N Ogas Detected41
- Error T020-T021 Lower Tank Sensor Open /Shorted41
- Error T029 Failed Ignition -Retrying42
- Error T032 Lower Tank Temp A/D Error42
- Error T105 Water Leak Sensor Not Installed42
- Error T113-T114 Flame Rod Degraded42
- Error T115-T116 Combustion Health Degraded42
- Error T117-T120 Periodic Maintenance42
- Error T122 N Ocomm with Powered Anode Controller for >60 Seconds43
- Error T123-T137 Anode Alerts43
Gas Pressure Checking Procedure48
Gas Valve Adjustment Procedure49
Disassembly and Repair50
Bacnet Configuration55
Leakguard60

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Rheem GHE80SU Specifications

General

Brand	Rheem
Model	GHE80SU
Category	Water Heater
Language	English

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