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Master-Fit 108 Series
A.O. Smith Master-Fit 108 Series Manuals
Manuals and User Guides for A.O. Smith Master-Fit 108 Series. We have
1
A.O. Smith Master-Fit 108 Series manual available for free PDF download: Service Handbook
A.O. Smith Master-Fit 108 Series Service Handbook (40 pages)
COMMERCIAL GAS WATER HEATERS
Brand:
A.O. Smith
| Category:
Water Heater
| Size: 4.82 MB
Table of Contents
Table of Contents
3
Introduction
4
Qualifications
4
Tools Required
5
Installation Considerations
6
Gas and Electrical Characteristics
6
Gas Pressure - Requirements
6
Minimum Clearances
10
Exterior Clearances
11
Gas Valve
12
Gas Valve
13
Type B Gas Vent
14
Draft Proving Pressure Switch - Settings
16
Thermostat and Ignition Control Board View
17
White Rodgers Integrated Control - Thermostat
18
White Rodgers Ignition Control Board
19
Gas Control Valve/ Burner Area View
20
Btn/ Btr 151, 201 - Electrical Sequence
21
Operating Sequence - Flow Chart
22
Heater Control Board Diagnostic Led Interpretation and Troubleshooting
23
Ignition Control Board Diagnostic Led Interpretation and Troubleshooting
24
Test 2 - Polarity Check
25
Test 3 - Continuity Check of High Limit (Eco)
26
Test 4 - Upper Temperature Probe Continuity Check
27
Test 5 - Calling for Heat - no Inducer Operation
28
Test 6 - Inducer on - no Ignition
29
Test 6
29
Operation
30
Test 8 - Igniter Heats - no Main Burner
31
Test 9 - Igniter Heats - no Main Burner
32
Test 10 - Main Burner Ignition for Less than 5 Seconds
32
Test 11 - Water Heater Shutting off below Setting
34
Display Lights on Integrated Heater Control
35
Wiring Diagram
36
Notes
37
Notes
38
Notes
39
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