White Rodgers 50M56U-843 Universal Single Stage HSI Integrated Furnace Control Kit 설치 설명서
PAGE 3 CONTAINS WIRING HARNESS AND
BLOWER CONNECTION INSTRUCTIONS FOR
ALL APPLICATIONS AND IMPORTANT OEM
REPLACEMENT INSTRUCTION FOR:
● TRANE / AMERICAN STANDARD
● RHEEM / RUUD
● BRYANT / CARRIER / DAY & NIGHT / PAYNE
INSTALLER MUST READ
50M56U-843
Universal Single Stage
HSI Integrated Furnace Control Kit
INSTALLATION INSTRUCTIONS
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS
CAREFULLY BEFORE INSTALLING OR OPERATING
THIS CONTROL COULD CAUSE PERSONAL INJURY
AND/OR PROPERTY DAMAGE.
DESCRIPTION
The 50M56U-843 kit is a Universal Single Stage HSI Integrated
Furnace Control that employs a microprocessor to continually
monitor, analyze, and control the proper operation of the gas
burner, inducer, and fan.
Furnace Control that employs a microprocessor to continually
monitor, analyze, and control the proper operation of the gas
burner, inducer, and fan.
The kit contains:
• 50M56-843 Ignition Control Module
• 21D64-2 Ignitor Kit
• Set of Interconnect Harnesses
• 50M56-843 Ignition Control Module
• 21D64-2 Ignitor Kit
• Set of Interconnect Harnesses
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.
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.
PRECAUTIONS
Do not short out terminals on gas valve or primary
control. Short or incorrect wiring may damage the
thermostat.
control. Short or incorrect wiring may damage the
thermostat.
CAUTION
!
Failure to comply with the following warnings could result
in personal injury or property damage.
in personal injury or property damage.
FIRE HAZARD
• Do not exceed the specified voltage.
• Replace existing control with exact model and
• 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.
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
• 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.
WARNING
!
CONTENTS
Description ................................................................... 1
Precautions .................................................................. 1
Specifications .............................................................. 2
Installation ................................................................... 2
Mounting & Wiring
Operation ..................................................................... 6
Troubleshooting ........................................................... 8
Precautions .................................................................. 1
Specifications .............................................................. 2
Installation ................................................................... 2
Mounting & Wiring
Operation ..................................................................... 6
Troubleshooting ........................................................... 8
50M56-843
21D64-2
www.white-rodgers.com
www.emersonclimate.com
PART NO. 37-7042F
Replaces 37-7042E
1439