White Rodgers 50M56-7433 installation instructions Installation Instructions, Description

Models: 50M56-743 50M56-7433

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50M56-743

50M56-743

Integrated Single or Two-Stage

HSI Integrated Furnace Control Kit

INSTALLATION INSTRUCTIONS

Operator: Save these instructions for future use!

FAILURETO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.

DESCRIPTION

The 50M56-743 kit is an automatic gas HSI Integrated Fur- nace Control that employs a microprocessor to continually monitor, analyze, and control the proper operation of the gas burner, inducer, and fan.

Signals interpreted during continual surveillance of the ther- mostat and flame sensing element initiate automatic ignition of the burner, sensing of the flame, and system shut-off during normal operation.

These controls incorporate system fault analysis for quick gas flow shut-off, coupled with automatic ignition retry upon sensing a fault correction.

50M56-743 Cross Reference Information

Goodman

White-Rodgers

 

 

 

0130F00006

PCBBF122

50M56 289

 

 

 

0130F00006S

PCBBF122S

 

 

 

 

PCB00109

PCBBF132

 

 

 

 

PCBBF109

PCBBF132S

 

 

 

 

Installation should be done by a qualified heating and air conditioning contractor or licensed electrician.

If in doubt about whether your wiring is millivolt, line, or low voltage, have it inspected by a qualified heating and air conditioning contractor or licensed electrician.

Do not exceed the specification ratings.

All wiring must conform to local and national electrical codes and ordinances.

This control is a precision instrument, and should be handled carefully. Rough handling or distorting components could cause the control to malfunction.

Following installation or replacement, follow manufacturer’s recommended installation/service instructions to ensure proper operation.

!CAUTION

Do not short out terminals on gas valve or primary control. Short or incorrect wiring may damage the thermostat.

CONTENTS

 

Description

1

Precautions

1

Specifications

2

Installation

3

Mounting & Wiring

 

Operation

6

System Lockout and Diagnostic Features

7

Troubleshooting

8

PRECAUTIONS

!WARNING Integrated Single or Two-StageINSTALLATION INSTRUCTIONS

Failure to comply with the following warnings could result in personal injury or property damage.

FIRE HAZARD

Do not exceed the specified voltage.

Replace existing control with exact model and dash number.

Protect the control from direct contact with water

(dripping, spraying, rain, etc.).

If the control has been in direct contact with water, replace the control.

Label all wires before disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.

Route and secure wiring away from flame.

SHOCK HAZARD

Disconnect electric power before servicing.

Ensure proper earth grounding of appliance.

Ensure proper connection of line neutral and line hot wires.

EXPLOSION HAZARD

Shut off main gas to appliance until installation is complete.

 

PART NO. 37-7474A

www.white-rodgers.com

 

www.emersonclimate.com

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White Rodgers 50M56-7433 installation instructions Installation Instructions, Description, Precautions, Contents