State Water Heaters 60120-100250 Manuals

State Water Heaters 60120-100250 Manuals

Manuals and User Guides for State Water Heaters 60120-100250. We have 1 State Water Heaters 60120-100250 manual available for free PDF download: Service Handbook

State Water Heaters 60120-100250 Service Handbook

State Water Heaters 60120-100250 Service Handbook (56 pages)

COMMERCIAL GAS HIGH EFFICIENCY WATER HEATERS

Brand: State Water Heaters | Category: Water Heater | Size: 6.69 MB

Table of Contents

Table of Contents
2
Introduction
3
- Qualifications
  3
- Service Warning
  3
- Service Reminder
  3
- Tools Recommended
  3
Installation Considerations
4
- Instruction Manual
  4
- Closed Water Systems
  4
- Thermal Expansion
  4
- Air Requirements
  4
- Contaminated Air
  4
Features and Components
5
Sequence of Operation Flow Chart
7
1 Low Gas Pressure

8
- Fault and Warning Codes
  8
- Gas Pressure Specifications
  8
- High Altitude
  8
- Gas Supply Systems
  9
- Supply Gas Regulator
  9
- Gas Pressure Test
  10
2 Blower Operation Error

12
- Pressure Switches
  12
- Control System Monitoring
  12
- Pressure Switch Tests
  13
- Continuity Test During Standby
  13
- Continuity Test During Operation
  14
- Pressure Test During Operation
  14
- Pressure Switch Settings
  15
3 Blower Prover Open

17
4 Ignition Failure

18
5 Blocked Air Intake

21
6 Blocked Exhaust

22
7 Flame Sensor Error

23
- Gas Control Valve
  23
- Gas Control Valve Voltage Tests
  24
- Flame Sensor
  25
- Flame Sensing Operation
  25
- Flame Sensing Current Test
  26
8 No Water

27
- Powered Anodes
  27
- Power Anode Cleaning and Removal
  27
9 Anode Shorted

29
10 Temperature Probe Short (Upper or Lower)

30
- Temperature Probe
  30
- Temperature Sensor Test
  31
- ECO Continuity Test
  31
11 Temperature Probe Open (Upper or Lower)

33
- Venting
  34
  - General Venting Information
    34
- Intake Air Connection
  35
- Electrical Connections - All Models
  36
  - Electrical Wiring
    36
  - Power Supply Connections
    36
  - Enable/ Disable Switch
    37
  - Power Supply Test
    37
- Installation Check List
  38
- Operation and Service
  39
  - How It Works
    39
  - Combustion Blower
    39
  - Modulation
    39
- Blower Speed Control - Suf 119300 Thru 119500
  41
- Variable Frequency Drive - Suf 119300 Thru 119500
  42
- Burner Assembly
  43
- Combustion Blower and Burner Removal/ Installation Instructions
  44
- Spark Igniter
  45
- Gas Orifice - Suf 119300 Thru 119500 Models
  47
  - Orifice Chart - SUF 119300 Thru 119500 Models
    47
- Ccb (Central Control Board)
  48
- Wiring Diagram - Suf 60120 Thru 100250
  53
- Wiring Diagram - Suf 119300 Thru 119500
  54
- Control Overview
  55

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