Copeland White Rodgers 50A56-956 Installation Instructions Manual

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.
The 50A56-956 is an automatic gas interrupted ignition 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 thermostat
and fame sensing element initiate automatic ignition of the
burner, sensing of the fame, and system shut-off during normal
operation.
These controls incorporate system fault analysis for quick gas
fow shut-off, coupled with automatic ignition retry upon sensing
a fault correction.
Kit includes: 1) Ignition Control
3) ) Install Sheet
Installation should be done by a qualifed 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 qualifed heating and air conditioning
contractor or licensed electrician.
Do not exceed the specifcation 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
Specifcations .................................................... 2
Installation ......................................................... 3
Mounting & Wiring
Operation ........................................................... 6
Troubleshooting ................................................... 8
2) Metal Control Box
www.copeland.com/white-rodgers
50A56-956
Integrated Furnace Control
INSTALLATION INSTRUCTIONS
50A56-956 Cross Reference Information
York
S1-33102956000 S1-03101266000
S1-03109167000 S1-03101284000
S1-03101933000 S1-03101973000
S1-03101267000 S1-03101972000
S1-03101267001 265901
S1-03100662000 265902
S1-03101250000 539617
S1-33103010000
WARNING
!
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.

DESCRIPTION

White-Rodgers
50A56-242
50A56-243

PRECAUTIONS

PART NO. 37-7475001
Replaces 37-7475B
1419