Specifications

TM040 16, 18 & 20L Continuous Flow Gas Water Heater Service Instructions
D.O.I: 2/06/2009
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”
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Contents
Introduction .......................................................................................................................... 3
Safety Warning .................................................................................................................... 3
Water Heater Model Identification ........................................................................................ 4
Specifications ....................................................................................................................... 5
Wiring Diagram .................................................................................................................... 6
Preset Temperature Adjustment .......................................................................................... 7
Sequence of Operation ........................................................................................................ 8
In-series Gas Boosting....................................................................................................... 10
Tempering Valves .............................................................................................................. 11
Controllers ......................................................................................................................... 12
Bath Fill Operation ............................................................................................................. 17
EZ-Link™ System .............................................................................................................. 18
EZ-Link Error Code Display ............................................................................................ 19
EZ-Link Fault Finding ..................................................................................................... 19
Operational Flow Charts .................................................................................................... 21
Error Codes ....................................................................................................................... 24
Diagnostic Test Points ....................................................................................................... 25
Maintenance Information ................................................................................................... 26
Clearing Error Code History ............................................................................................... 28
Resetting Error Codes ....................................................................................................... 28
Fault Finding ...................................................................................................................... 28
Fault Diagnosis Sequence ................................................................................................. 29
Power Supply Fault Finding ............................................................................................... 30
No Error Code Fault Finding .............................................................................................. 32
Error Code 11 .................................................................................................................... 34
Error Code 12 .................................................................................................................... 36
Error Code 14 .................................................................................................................... 37
Error Code 15 .................................................................................................................... 38
Error Code 16 .................................................................................................................... 38
Error Code 24 .................................................................................................................... 39
Error Code 29 .................................................................................................................... 40
Error Code 31, 32, 33 & 34 ................................................................................................ 40
Error Code 35 .................................................................................................................... 41
Error Code 51, 72, 80, 81 .................................................................................................. 41
Error Code 52 .................................................................................................................... 42
Error Code 61 .................................................................................................................... 42
Error Code 65 .................................................................................................................... 43
Error Code 71 .................................................................................................................... 45
Error Code 76 .................................................................................................................... 45
Error Code 79 .................................................................................................................... 45
Error Code 82 .................................................................................................................... 46
Error Code 99 & 10 ............................................................................................................ 46
Burner Gas Pressure Check .............................................................................................. 46
Component Replacement Procedures ............................................................................... 48
Exploded View – Water Heater .......................................................................................... 56
Exploded View - Wiring ...................................................................................................... 58
Gas Conversion Procedure ................................................................................................ 59
Warranty ............................................................................................................................ 60