Rheem 874820XF Manuals

Manuals and User Guides for Rheem 874820XF. We have 1 Rheem 874820XF manual available for free PDF download: Service Instructions Manual

Rheem 874820XF Service Instructions Manual

Rheem 874820XF Service Instructions Manual (60 pages)

Brand: Rheem | Category: Water Heater | Size: 1 MB

Table of Contents

Table of Contents
2
Introduction
3
Safety Warning
3
- Live Testing
  3
- Touch Voltage Testing
  4
Water Heater Model Identification
5
Specifications
5
Wiring Diagram
8
Preset Temperature Adjustment
9
Fine Temperature Adjustment
9
Sequence of Operation
10
Anti-Frost Heater Circuit
12
In-Series Gas Boosting
12
Tempering Valves
13
Remote Controllers
14
Bath Fill Operation
19
How to Fault Find
21
Operational Flow Charts
23
Error Codes
26
Diagnostic Test Points
27
Maintenance Information
28
Clearing Error Code History
30
Resetting Error Codes
31
- Test Equipment
  31
Fault Finding
32
- Fault Diagnosis Sequence
  38
- Fault Finding Chart 1
  39
- Fault Finding Chart 2
  40
- Fault Finding Chart 3
  41
- Fault Finding Chart 3.1
  42
- Fault Finding Chart 3.2
  43
- Fault Finding Charts 3.3 & 3.5
  44
- Fault Finding Chart 3.6
  45
- Fault Finding Chart 3.7
  46
- Fault Finding Charts 4 and 4.1
  46
- Fault Finding Chart 5
  47
Eziset Fault-Finding
48
Burner Gas Pressure Check
50
Component Replacement Procedures
52
Document Revision History
60

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