Rheem 875 Series- User Manual

Rheem 875 Series

Rheem 875 Series– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Contents
  • Page 3 – bold italics
  • Page 4 – Specifications; Model
  • Page 5 – Preset Temperature Adjustment; To adjust the preset temperature:
  • Page 6 – Wiring Diagram - Models with Mechanical Bypass
  • Page 7 – Wiring Diagram - Models with Solenoid Operated Bypass
  • Page 8 – Sequence of Operation
  • Page 9 – Sequence of Operation Component Diagram
  • Page 10 – When the unit is preset at 40 or 43 degrees.; Anti-Frost Heater Circuit
  • Page 11 – In-series Gas Boosting; Note: models ending with -B do not require a solar bypass valve; In-series Gas Boosting 871020-B Solar Loline Installation
  • Page 12 – In-series Gas Boosting 871020-B Solar Hiline Installation; C for the system to operate correctly.
  • Page 13 – Solar Bypass Valve Operation; 0L models with a; Inlet water from
  • Page 14 – Removing a Solar Bypass Valve and Installing a Comparator
  • Page 15 – In-series Gas Boosting 871020 Solar Loline Installation
  • Page 17 – Standard Controller
  • Page 18 – It does not stop either the
  • Page 19 – How to Fault Find
  • Page 20 – About the Operational Flow Charts; Notes and Abbreviations used on the Operational Flow Charts; Stepping gas rate change sequence by solenoid
  • Page 21 – Operational Flow Charts; Note: see page 20 for details on interpreting chart abbreviations.
  • Page 24 – Error Codes; Note: see page 20 for interpretation of abbreviations.
  • Page 25 – Diagnostic Test Points; Refer to wiring diagram, page 7, for connector and wiring positions.
  • Page 26 – Maintenance Information; Null; Right digit in; Null Null; Flame Sensor Status
  • Page 27 – Displaying Maintenance Information
  • Page 28 – Resetting Error Codes; To reset Error Code 99 it is necessary to:
  • Page 29 – Fault Diagnosis Sequence (Fault Finding Chart G)
  • Page 30 – Fault Finding Chart 1
  • Page 31 – Fault Finding Tests 1 – 4; Components will be “Live” when conducting tests, exercise caution.; Using an insulated tool, turn DIP switch 1 on
  • Page 32 – Fault Finding Chart 2
  • Page 33 – Fault Finding Tests 5 – 8; Isolate power before removing connector plugs
  • Page 34 – Fault Finding Chart 3
  • Page 35 – Fault Finding Tests 9 – 13; Tests 9 and 10 – Diagnostic Point 4; Test; Isolate power before removing
  • Page 36 – Fault Finding Chart 3.1
  • Page 37 – Fault Finding Chart 3.2
  • Page 38 – Fault Finding Tests 14 – 22; Test 22 – Diagnostic Points 6 and 7; – Conduct test with water flowing
  • Page 40 – Fault Finding Chart 3.6
  • Page 41 – Fault Finding Tests 23 – 28; Test 23 - Diagnostic Point 18
  • Page 42 – Fault Finding Chart 3.7
  • Page 43 – Fault Finding Chart 3.8; Test 29 - Diagnostic Point 3; Isolate power when; Conduct test with water flowing
  • Page 44 – Fault Finding Charts 4 and 4.1
  • Page 45 – Fault Finding Chart 4.2
  • Page 46 – Fault Finding Chart 4.3
  • Page 47 – Fault Finding Tests 32 and 33; Burner Gas Pressure Check
  • Page 48 – Adjustment
  • Page 49 – Note which plug goes
  • Page 50 – o-ring from the base of the water heater.; Note: The proportional valve terminals are; Test for gas leaks with soapy water solution.
  • Page 51 – Heat Exchanger and Hot Water Outlet Connection Heaters; Reassemble in reverse order of above.
  • Page 52 – Reassemble in reverse order of above.
  • Page 53 – Isolate power at the water heater.; Bathroom Controllers:
  • Page 54 – and remove flow sensor.
  • Page 60 – Description
  • Page 63 – Gas Type Conversion Procedure; Isolate the power and gas supply to the water heater.
  • Page 64 – Warranty; Rheem water heater literature; Warranty Exclusions; REPAIR AND REPLACEMENT WORK WILL BE CARRIED OUT AS SET OUT IN THE
  • Page 65 – Document Revision History; Title: Integrity 18 & 20L Service Instructions; Revision Details; Models with Solenoid bypass added
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This document is stored and maintained electronically by

Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”


SERVICE INSTRUCTIONS

18 & 20L Integrity

Electronic Gas Instantaneous Water Heater

TM002

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871018
875018

871020
875020

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Summary

Page 2 - Contents

TM002 Integrity 18 & 20L Service Instructions REV: E D.O.I: 7/11/2007 This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled” 2 Contents Safety Warning ..........................................................

Page 3 - bold italics

TM002 Integrity 18 & 20L Service Instructions REV: E D.O.I: 7/11/2007 This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled” 3 Safety Warning The purpose of this service manual is to provide sufficient info...

Page 4 - Specifications; Model

TM002 Integrity 18 & 20L Service Instructions REV: E D.O.I: 7/11/2007 This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled” 4 Specifications Model 871018N0 871018NF 875018NF 871018NF-B 875018NF-B 871018PF ...

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