State Water Heaters SHE 50-100 NE Manuals

Manuals and User Guides for State Water Heaters SHE 50-100 NE. We have 2 State Water Heaters SHE 50-100 NE manuals available for free PDF download: Service Handbook

State Water Heaters SHE 50-100 NE Service Handbook (72 pages)

Commercial / residential gas water heaters

Brand: State Water Heaters | Category: Water Heater | Size: 8.46 MB

Table of CONTENTS
3
Introduction
4
Qualifications
4
Service Warning
4
Service Reminder
4
Tools Required
4
Installation CONSIDERATIONS
5
Instruction Manual
5
Closed Water Systems
5
Thermal Expansion
5
Air Requirements
5
Contaminated Air
5
Venting
6
General Venting Information
6
Maximum Equivalent Length Requirements
6
Intake Air Connection
7
Electrical Requirements
8
Grounding and Polarity
8
Power Supply Test
8
Installation Check List
9
Features and Components
10
Front & Back Views
10
Top View
11
Combustion Blower & Burner Assembly
11
OPERATION and Service
12
How It Works
12
Combustion Blower
13
Burner Assembly
14
Combustion Blower and Burner Removal
16
Flame Sensor
20
Flame Sensing Operation
20
Flame Sensing Current Test
21
Igniter
22
Igniter Current Test
22
Venturi
24
Gas Valve
25
Gas Valve Voltage Tests
25
Gas Valve Removal
26
Gas Pressure
27
Gas Pressure Test
28
Gas Flow Test
29
Pressure Switches
30
Construction & Operation
30
Control System Monitoring
31
Pressure Switch Tests
33
Continuity Test During Standby
33
Continuity Test During Operation
34
Pressure Test During Operation
34
Temperature Probe
37
Temperature Sensor Test
37
Eco Continuity Test
38
Control System Hardware
39
Uim (User Interface Module)
39
CCB (Central Control Board)
41
CCB Cover Removal and Replacement
42
CCB Circuit Board Layout
43
CCB Connection Identification
44
Wiring Diagram
46
Control System Operation
47
Overview
47
Control System Features
47
Commercial and Residential Models
48
Control System Navigation
48
User Input Buttons
48
Desktop Screen
48
Status Icons
49
Operating States
50
Control System Menus
50
Temperatures
51
Heater Status
52
Display Settings
53
Heater Information
53
Current Fault
54
Fault History
54
Fault Occurrence
54
Restore Factory Defaults
54
Service Contact Information
55
Sequence of Operation
56
Sequence of Operation Flow Chart
57
Troubleshooting
58
Rough Starting/Rough Operation
58
Not Enough Hot Water
58
Heater Status Menu
58
Things to Check before Servicing
58
Resetting the Control System
58
Control System Unresponsive
59
Uim (Lcd) Is Blank
59
Uim Is Inoperable
59
Fault Messages
60
AC Reversed
60
Temp Probe Open
60
Temp Probe Short
60
Flame Sensor Short
61
Flame Detect Error
61
Energy Cut out (Eco)
62
Blocked Air Intake
63
Blocked Exhaust
64
Blower Prover Failure
64
Blower Prover Open
65
Low Igniter Current
66
Ignition Failure
67
Communication Failure
68

State Water Heaters SHE 50-100 NE Service Handbook (72 pages)

COMMERCIAL / RESIDENTIAL GAS WATER HEATERS SERIES 120 & 121

Brand: State Water Heaters | Category: Water Heater | Size: 2.1 MB

Table of Contents
3
Introduction
4
Installation Considerations
5
- Electrical Requirements
  8
- Installation Check List
  9
- Front View
  10
- Top View
  11
Operation and Service
12
- Combustion Blower and Burner Removal
  16
- Flame Sensor
  20
- Venturi
  24
- Gas Valve
  25
- Gas Pressure
  27
- Gas Pressure Test
  28
  - Pressure Switches
    30
  - Temperature Probe
    37
  - Control System Hardware
    39
  - Wiring Diagram
    46
Overview
47
Control System Menus
50
Heater Status
52
Current Fault
54
- Sequence of Operation
  56
- Sequence of Operation Flow Chart
  57
Troubleshooting
58
Control System Unresponsive
59
AC Reversed
60
- Fault Messages
  61
- Flame Sensor Short
  61
- Flame Detect Error
  61
- Low Igniter Current
  66
- Communication Failure
  68

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State Water Heaters SHE 50-100 NE Manuals

State Water Heaters SHE 50-100 NE Service Handbook (72 pages)

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State Water Heaters SHE 50-100 NE Service Handbook (72 pages)

Table of Contents

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