Rheem 2-28RDV Tankless Water Heater Manuals

Manuals and User Guides for Rheem 2-28RDV Tankless Water Heater. We have 1 Rheem 2-28RDV Tankless Water Heater manual available for free PDF download: Troubleshooting Manual

Rheem 2-28RDV Troubleshooting Manual

Rheem 2-28RDV Troubleshooting Manual (130 pages)

For Mid & High Efficiency Platforms. TANKLESS GAS

Brand: Rheem | Category: Water Heater | Size: 6 MB

Table of Contents

Table of Contents
3
Installation Guidelines
9
MID & High-Efficiency Flow Rates
13
Control Board Connectors
15
Diagnostic Points (Voltage & Resistance Readings)
17
Maintenance Mode Instructions
22
Altitude Settings on Control Board
26
Reset Procedures
27
Clearing Fault History
28
No Error Code & no Hot Water
29
P1 Warning Code
32
Warning Code
33
Error Code
35
Warning Code
36
Warning Code
38
Error Code
41
Error Code
47
Error Code
49
Error Code
51
Error Code
53
Error Code
54
Error Code
55
Error Code
56
- High-Efficiency ONLY (A)
  56
- MID & High-Efficiency (B)
  57
Error Code
59
Error Code
61
Error Code
63
Error Code
65
Error Code
67
Error Code
68
Error Code
71
Warning Code
96
How to Remove Components
98
- Section 1: Control Board Bracket
  99
- Section 2: Blower Motor
  101
- Section 3: Flame Rod; Igniter Rod; Igniter Coil
  103
- Section 4: Orifice Assembly
  105
- Section 5: Burner Assembly
  107
- Section 6: Gas Control Valve
  108
- Section 7: Water Control Valves
  112
- Section 8: Heat Exchanger Thermistor
  115
- Section 9: Outlet Thermistor
  117
- Section 10: Inlet Thermistor
  119
- Section 11: Ambient Thermistor
  121
- Section 12: Control Board
  123
- How to Program Control Board
  124

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