A.O. Smith Cyclone XL BTHS 750A Manuals

Manuals and User Guides for A.O. Smith Cyclone XL BTHS 750A. We have 1 A.O. Smith Cyclone XL BTHS 750A manual available for free PDF download: Service Handbook

A.O. Smith Cyclone XL BTHS 750A Service Handbook

A.O. Smith Cyclone XL BTHS 750A Service Handbook (44 pages)

COMMERCIAL GAS WATER HEATERS

Brand: A.O. Smith | Category: Water Heater | Size: 3.82 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
- Top View
  8
Sequence of Operation Flow Chart
9
Fault and Alert Codes
10
- Low Gas Pressure
  10
- Ignition Failure
  12
- Blocked Air Intake
  14
- Blocked Exhaust
  15
- Flame Sensor Error
  15
- No Water
  17
- Anode Shorted
  18
- Temperature Probe Short
  18
- Temperature Probe Open
  20
- Flue Gas Temperature Probe Short/Open
  21
- Flue Gas Temperature High Limit
  21
- Flow Not Detected
  21
- Flow Switch Stuck Closed
  22
Venting
24
- General Venting Information
  24
Intake Air Connection
25
Electrical Connections - All Models
26
- Power Fluctuations and Electrical Noise
  26
- Dedicated Power Wiring and Breakers
  26
- Electrical Wiring
  26
- Power Supply Connections
  26
- Enable/ Disable Switch
  27
- Power Supply Test
  27
Installation Check List
28
Operation and Service
29
- How It Works
  29
- Combustion Blower
  29
- Modulation
  29
Blower Speed Control
30
Burner Assembly
30
Combustion Blower and Burner Removal/ Installation
31
- Combustion Blower/ Burner Removal
  31
- Combustion Blower/ Burner Installation
  31
Spark Igniter
32
Ccb (Central Control Board)
33
Wiring Diagram
39
Control Overview
40
- ICOMM Remote Monitoring System
  40

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