A.O. Smith BTR 500/A Manuals

Manuals and User Guides for A.O. Smith BTR 500/A. We have 1 A.O. Smith BTR 500/A manual available for free PDF download: Service Handbook

A.O. Smith BTR 500/A Service Handbook

A.O. Smith BTR 500/A Service Handbook (40 pages)

COMMERCIAL GAS WATER HEATERS

Brand: A.O. Smith | Category: Heater | Size: 4.16 MB

Table of Contents

Table of Contents
2
Introduction
3
- Qualifications
  3
- Service Warning
  3
- Service Reminder
  3
Requirements
4
- Instruction Manual
  4
- Tools Required
  4
- Tools Optional
  4
Installation Considerations
5
Operation and Service
12
- Sequence of Operation
  12
- Electrical Sequence
  13
- Wiring Diagram
  14
- Operating Sequence - Flow Chart
  15
- Gas Control Valve
  16
Gas Control Valve/Burner Area View
18
Blower Prover Switch - Settings
19
Thermostat and Ignition Control Board View
20
White Rodgers Integrated Control - Thermostat
21
White Rodgers Ignition Control Board
21
Pre-Service Checklist
22
Troubleshooting
23
Ignition Control Board: Error Codes
23
- Flash
  23
- Flashes
  23
- Flashes
  24
- Flashes
  25
- Continuous Flash
  25
- Continuous on
  25
Integrated Heater Control: Display Lights
26
Test 1: 120 VAC to Heater Check
27
Test 2: Polarity Check
28
Test 3: Continuity Check of High Limit (ECO)
29
Test 4: Upper Temperature Probe Continuity Check
30
Test 5: Calling for Heat - no Blower Operation
31
Test 6: Blower On, no Ignition
32
Test 7: Blower On, Blower Prover Switch Closed, no Igniter Operation
33
Test 8: Igniter Heats, no Main Burner
34
Test 9: Igniter Heats, no Main Burner
35
Test 10: Main Burner Ignition for Less than Five Seconds
36
Test 11: Water Heater Shutting off below Setting
37

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