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GC10A-4E
Dometic GC10A-4E Manuals
Manuals and User Guides for Dometic GC10A-4E. We have
1
Dometic GC10A-4E manual available for free PDF download: Service Manual
Dometic GC10A-4E Service Manual (52 pages)
Brand:
Dometic
| Category:
Water Heater
| Size: 7.54 MB
Table of Contents
Table of Contents
2
2 Intended Use
4
3 Troubleshooting
5
4 General Information
8
Tools and Materials
8
Terminology
9
Control Board (Standard and EXT)
9
Model Identification
10
Component Locations
11
E.C.o
12
Electrode
12
Gas Solenoid Valve
12
Sequence of Operations
13
5 Wiring Diagrams
15
6 Diagnostic Procedures
20
Component-Based Diagnostics
20
Heating Element
24
Orifice
25
P/T Relief Valve
25
Pilot Assembly
25
Pressure Switch
25
Relays
26
Tank
26
Thermal Cut-Off
26
Thermocouple (Gas Only - Pilot Model Only)
26
Thermostat (Cold-Weather)
27
Thermostat (Standard)
27
Error-Based Diagnostics
28
Wall Switch
28
Winter/Summer Setting Screw
28
7 Installation Issues
29
Power Issues
29
Gas Pressure Issue
29
8 Service Procedures
29
Accessing the Components
31
Shutting down the Water Heater
32
Performing a Gas Leak Test
32
Performing a Thermostat or E.C.O. Continuity Test
32
Replacing a Thermostat or E.C.O
33
Performing a Thermal Cut-Off Continuity Test
33
Replacing a Thermal Cut-Off
34
Performing an Ohms Test on the Gas Solenoid Valve Coils
35
Replacing the Gas Solenoid Valve
35
Removing the Orifice for Cleaning
36
Performing an Ohms Test on the Heating Element
36
Replacing the Heating Element
37
Replacing a Control Board
37
Replacing the Relay
38
Replacing the Electrode
38
Adjusting the Electrode Gap
39
Re-Establishing the Thermal Expansion
39
Air Pocket
39
Replacing the P/T Valve
40
Confirming the Bypass Kit Placement
40
Performing a Wall Switch Continuity Test
41
Replacing the Mixing Valve
42
Bypassing the Pressure Switch
42
Performing a Pressure Switch
43
Continuity Test
43
Replacing the Pressure Switch
43
Tightening the Cold-Weather
44
Thermostat Set Screw
44
Performing a Cold-Weather Thermostat
44
Continuity Test
44
Replacing the Cold-Weather
44
Thermostat
44
Adjusting the Winter/Summer Setting
45
Replacing the Modulating Valve
45
Performing a Reed Switch
46
Continuity Test
46
Performing a Thermocouple Circuit Test
47
Testing the Thermocouple
47
Replacing the Thermocouple
48
9 Maintenance
48
Cleaning the Mixing Valve Screen
48
Flushing the Tank
49
Cleaning the Pressure Switch Hose, Nipples, and Straw
49
Checking the DSI Control Board
49
Inspecting the Burner and Burner Assembly
49
Understanding P/T Valve Weeping
50
Resetting a Locked-Out Control
50
10 Disposal
50
11 Replacement Parts
50
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