White Rodgers 50A66-743 Thermostat User Manual


  Open as PDF
of 8
 
3
WARNING
INSTALLATION
Do not short out terminals on gas valve or primary
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,
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,
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.
FIRE HAZARD
• Donotexceedthespeciedvoltage.
• 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.
• 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.
 previous next