American Water Heater (A)BCG385T500-8N User Manuals

Table of Contents

• INTRODUCTION

  3
• Gas Control Valve/Burner Area View

  18
• Qualifications

  3
• Blower Prover Switch - Settings

  19
• Service Warning

  3
• Thermostat and Ignition control Board View

  20
• Service Reminder

  3
• White Rodgers Integrated Control - Thermostat

  21
• REQUIREMENTS

  4
• White Rodgers Ignition Control Board

  21
• Instruction Manual

  4
• Pre-Service Checklist

  22
• Tools Required

  4
• TROUBLESHOOTING

  23
• Tools Optional

  4
• Ignition Control Board: Error Codes

  23
• INSTALLATION CONSIDERATIONS

  5
• 1 Flash

  23
• Water Piping

  5
• 2 Flashes

  23
• Closed Water Systems

  5
• 3 Flashes

  24
• Thermal Expansion

  5
• 4 Flashes

  24
• Gas Pressure Requirements

  5
• 6 Flashes

  24
• Air Requirements

  6
• 7 Flashes

  24
• Air Supply

  6
• 8 Flashes

  25
• Continuous Flash

  25
• and Downdrafts

  7
• Continuous On

  25
• Integrated Heater Control: Display Lights

  26
• doors

  8
• Test 1: 120 VAC to Heater Check

  27
• Contaminated Air

  9
• Test 2: Polarity Check

  28
• Clearances (Water Heater)

  9
• Test 3: Continuity Check of High Limit (ECO)

  29
• Clearances (Exterior)

  10
• Venting

  11
• Continuity Check

  30
• OPERATION AND SERVICE

  12
• Test 5: Calling for Heat - No Blower Operation

  31
• Sequence of Operation

  12
• Test 6: Blower On, No Ignition

  32
• Electrical Sequence

  13
• Wiring Diagram

  14
• No Igniter Operation

  33
• Operating Sequence - Flow Chart

  15
• Test 8: Igniter Heats, No Main Burner

  34
• Gas Control Valve

  16
• Test 9: Igniter Heats, No Main Burner

  35
• Measuring Gas Pressures

  16
• Five Seconds

  36
• Manifold Pressure Adjustment

  17
• Main Valve Solenoid Connections

  17