White Rodgers Thermostat 50T35 743 User Manual

50T35-743  
Integrated Furnace Control  
INSTALLATION INSTRUCTIONS  
Operator: Save these instructions for future use!  
FAILURETOREADANDFOLLOWALLINSTRUCTIONSCAREFULLYBEFORE  
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL  
INJURY AND/OR PROPERTY DAMAGE.  
DESCRIPTION  
The 50T35-743 Integrated Furnace Control is a replacement for Goodman B18099-06, B18099-08, B18099-10 and  
B18099-13 HSI modules  
PRECAUTIONS  
Installation should be done by a qualified heating and air  
conditioning contractor or licensed electrician.  
WARNING  
Ifindoubtaboutwhetheryourwiringismillivolt,line,orlow  
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.  
Failure to comply with the following  
warnings could result in personal injury  
or property damage.  
This control is a precision instrument, and should be  
handled carefully. Rough handling or distorting compo-  
nents could cause the control to malfunction.  
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.).  
Following installation or replacement, follow  
manufacturer’srecommendedinstallation/serviceinstruc-  
tions to ensure proper operation.  
• If the control has been in direct contact with water,  
replace the control.  
• Label all wires before disconnection when servic-  
ing controls. Wiring errors can cause improper  
and dangerous operation.  
CAUTION  
Do not short out terminals on gas valve or pri-  
mary control. Short or incorrect wiring may dam-  
age the thermostat.  
• 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. 37-6533A  
White-Rodgers is a division  
of Emerson Electric Co.  
0414  
 

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