White Rodgers 50T35-743 User Manual

50T35-743
Integrated Furnace Control
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
INSTALLATION INSTRUCTIONS
The 50T35-743 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 flame sensing element initiate automatic ignition of the burner, sensing of the
flame, and system shut-off during normal operation. This control incorporates system fault analysis for quick gas
flow shut-off, coupled with automatic ignition retry upon sensing a fault correction. It is designed as a replacement
for the following controls:
PRECAUTIONS
WARNING
Failure to comply with the following
warnings could result in personal injury
or property damage.
FIRE HAZARD
• Donotexceedthespeciedvoltage.
• 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ame.
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.
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.
Model Replaces
White-Rodgers 50T35-730 Goodman B18099-06 Goodman B18099-13S
White-Rodgers 50T35-743 Goodman B18099-08 Goodman 1012-933D
Goodman B18099-10 Goodman 41F-5
Goodman B18099-13
www.white-rodgers.com
www.emersonclimate.com
PART NO. 37-6533C
Replaces 37-6533B
1421

White Rodgers 50T35-743 Specifications

General

Brand	White Rodgers
Model	50T35-743
Category	Control Unit
Language	English