White Rodgers 50A66-743 User Manual
3
WARNING
INSTALLATION
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.
MOUNTING AND WIRING
All wiring should be installed according to local and na-
tional electrical codes and ordinances.
The control must be secured to an area that will experience
a minimum of vibration and remain below the maximum
ambient temperature rating of 175°F. The control is ap-
proved for minimum ambient temperatures of -40°F.
Any orientation is acceptable.
Refer to the wiring diagram and wiring table when connect-
ing the 50A66 control to other components of the system.
UL approved, 105°C rated 18 gauge, stranded,
tional electrical codes and ordinances.
The control must be secured to an area that will experience
a minimum of vibration and remain below the maximum
ambient temperature rating of 175°F. The control is ap-
proved for minimum ambient temperatures of -40°F.
Any orientation is acceptable.
Refer to the wiring diagram and wiring table when connect-
ing the 50A66 control to other components of the system.
UL approved, 105°C rated 18 gauge, stranded,
2
/
64
” thick
insulation wire is recommended for all low voltage safety
circuit connections. Refer to 50A66 specification sheet for
recommended terminals to mate with those on the control.
UL approved 105°C rated 16 gauge min., stranded,
circuit connections. Refer to 50A66 specification sheet for
recommended terminals to mate with those on the control.
UL approved 105°C rated 16 gauge min., stranded,
4
/
64
”
thick insulation wire is recommended for all line voltage
connections. Refer to 50A66 specification sheet for rec-
ommended terminals to mate with those on the control.
After installation or replacement, follow appliance manu-
facturer’s recommended installation or service instructions
to ensure proper operation.
connections. Refer to 50A66 specification sheet for rec-
ommended terminals to mate with those on the control.
After installation or replacement, follow appliance manu-
facturer’s recommended installation or service instructions
to ensure proper operation.
FIRE HAZARD
• Do not exceed the specified voltage.
• Replace existing control with exact model and dash
• Replace existing control with exact model and dash
number.
• Protect the control from direct contact with water
(dripping, spraying, rain, etc.).
• Label all wires before disconnection when servicing
controls. Wiring errors can cause improper and
dangerous operation.
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.