Rinnai REU-KA3237FFUD-US User Manual

Condensing Water Heater Service Manual 2 100000354
Table of Contents
General Information ................................................... 3
Specifications ............................................................. 4
Diagnostic Codes .................................................... 4-8
Safety Warnings ......................................................... 9
Electrical Diagnostic Points
RC80HPe, RC80HPi ............................................ 10, 11
RC98HPe, RC98HPi ............................................ 12, 13
RU80e, RU80i, RU98e, RU98i ............................. 14, 15
Wire Diagrams
RC80HPe, RC80HPi .................................................. 16
RC98HPe, RC98HPi .................................................. 17
RU80e, RU80ic RU98e, RU98i .................................. 18
Flushing the Heat Exchanger .................................. 19
Manual Draining of the Water Heater ..................... 20
Gas Control Assembly
RC80HPe, RC80HPi, RC98HPe, RC98HPi ............... 21
RU80e, RU80i, RU98e, RU98i ................................... 22
Fan
RC80HPe, RC80HPi, RC98HPe, RC98HPi ............... 23
RU80e, RU80i, RU98e, RU98i ............................. 24, 25
PC Board
RC80HPe, RC80HPi, RC98HPe, RC98HPi ............... 26
RU80e, RU80i, RU98e, RU98i ................................... 27
Water Flow Control Assembly
RC80HPe, RC80HPi, RC98HPe, RC98HPi ............... 28
RU80e, RU80i, RU98e, RU98i ............................. 29, 30
Heat Exchanger
RC80HPe ............................................................... 31-33
RC80HPi ................................................................ 34-36
RC98HPe ............................................................... 37-39
RC98HPi ................................................................ 40-42
RU80e, RU80ic RU98e, RU98i ............................. 43-48
Gas Pressure Setting Procedure
RC80HPe, RC80HPi, RC98HPe, RC98HPi ......... 49, 50
RU80e, RU80i, RU98e, RU98i ............................. 52, 53
Manifold Pressure Settings
RC80HPe, RC80HPi, RC98HPe, RC98HPi ............... 51
RU80e, RU80i, RU98e, RU98i ................................... 54
Dip Switches
RC80HPe, RC80HPi, RC98HPe, RC98HPi ............... 55
RU80e, RU80i, RU98e, RU98i ................................... 56

Rinnai REU-KA3237FFUD-US Specifications

General

Brand	Rinnai
Model	REU-KA3237FFUD-US
Category	Water Heater
Language	English