Rheem 875020NF-B Manuals

Manuals and User Guides for Rheem 875020NF-B. We have 1 Rheem 875020NF-B manual available for free PDF download: Service Instructions Manual

Rheem 875020NF-B Service Instructions Manual

Rheem 875020NF-B Service Instructions Manual (65 pages)

18 & 20L Integrity Electronic Gas Instantaneous Water Heater

Brand: Rheem | Category: Water Heater | Size: 1.57 MB

Table of Contents

Table of Contents
2
Safety Warning
3
Introduction
3
Water Heater Model Identification
3
Specifications
4
Preset Temperature Adjustment
5
Wiring Diagram - Models with Mechanical Bypass
6
Wiring Diagram - Models with Solenoid Operated Bypass
7
Sequence of Operation
8
Bypass Operation
9
Anti-Frost Heater Circuit
10
Product Changes
10
Software Changes
10
In-Series Gas Boosting
11
Tempering Valves
16
Remote Controllers
16
Standard Controller
17
How to Fault Find
19
Operational Flow Charts
21
Error Codes
24
Diagnostic Test Points
25
Maintenance Information
26
Displaying Maintenance Information
27
Clearing Error Code History
27
Resetting Error Codes
28
Fault Diagnosis Sequence (Fault Finding Chart G)
29
Fault Finding Chart 1
30
Fault Finding Chart 2
32
Fault Finding Chart 3
34
Fault Finding Chart 3.1
36
Fault Finding Chart 3.2
37
Fault Finding Charts 3.3 and 3.5
39
Fault Finding Chart 3.6
40
Fault Finding Chart 3.7
42
Fault Finding Chart 3.8
43
Fault Finding Charts 4 and 4.1
44
Fault Finding Chart 4.2
45
Fault Finding Chart 4.3
46
Burner Gas Pressure Check
47
Component Replacement Procedures
48
Exploded View 1 - 871018 & 871020 Models
55
Exploded View 2 - 871018 & 871020 Models
57
Exploded View 3 - 871/875018-B & 871/875020-B Models
59
Exploded View 4 - 871/875018-B & 871/875020-B Models
61
Gas Type Conversion Procedure
63
Warranty
64
Document Revision History
65

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