White Rodgers 1F78-144 White-Rodgers 70 Series Non-Programmable Single Stage Thermostat 설치 설명서
www.white-rodgers.com
6
SPECIFICATIONS
ELECTRICAL DATA
Electrical Rating:
Electrical Rating:
0 to 30 VAC 50/60 Hz. or D.C.
0.05 to 1.0 Amps (Load per terminal)
1.5 Amps Maximum Total Load (All terminals combined)
THERMAL DATA
Setpoint Temperature Range:
Setpoint Temperature Range:
45°F to 90°F (7°C to 32°C)
Operating Ambient Temperature Range:
32°F to 105°F (0°C to 41°C)
Operating Humidity Range:
0 to 90% RH (non-condensing)
Shipping Temperature Range:
-40°F to 150°F (-40°C to 66°C)
7
TROUBLESHOOTING
Reset Operation
If a voltage spike or static discharge blanks out the display or
causes erratic thermostat operation you can reset the thermostat
by pressing
If a voltage spike or static discharge blanks out the display or
causes erratic thermostat operation you can reset the thermostat
by pressing
and
at the same time while moving the
SYSTEM switch from
OFF to HEAT. This also resets the factory
defaults. If the thermostat has power, has been reset and still does
not function correctly contact your heating/cooling service person
or place of purchase.
Batteries
For best results, replace batteries once a year with new premium
brand alkaline batteries such as Duracell
or place of purchase.
Batteries
For best results, replace batteries once a year with new premium
brand alkaline batteries such as Duracell
®
or Energizer
®
.
Symptom
Possible Cause
Corrective Action
No Heat/No Cool/No Fan
(common problems)
(common problems)
Blown fuse or tripped circuit breaker.
1.
Furnace power switch to OFF.
2.
Furnace blower compartment door or
3.
panel loose or not properly installed.
Replace fuse or reset breaker.
Turn switch to ON.
Replace door panel in proper position to engage
safety interlock or door switch.
Turn switch to ON.
Replace door panel in proper position to engage
safety interlock or door switch.
No Heat
Pilot light not lit.
1.
SYSTEM Switch not set to
2.
HEAT.
Loose connection to thermostat or system.
3.
Furnace Lock-Out Condition. Heat may
4.
also be intermittent.
Heating system requires service or
5.
thermostat requires replacement.
Re-light pilot.
Set SYSTEM Switch to
Set SYSTEM Switch to
HEAT and raise setpoint
temperature above room temperature.
Verify thermostat and system wires are securely
attached.
Many furnaces have safety devices that shutdown
when a lock-out condition occurs. If the heat works
intermittently contact the furnace manufacturer or local
service person for assistance.
Diagnostic: Set SYSTEM Switch to
Verify thermostat and system wires are securely
attached.
Many furnaces have safety devices that shutdown
when a lock-out condition occurs. If the heat works
intermittently contact the furnace manufacturer or local
service person for assistance.
Diagnostic: Set SYSTEM Switch to
HEAT and raise the
setpoint above room temperature. Within a few seconds
the thermostat should make a soft click sound. This
sound usually indicates the thermostat is operating
properly. If the thermostat does not click, try the reset
operation listed below. If the thermostat does not click
after being reset contact your heating and cooling
service person or place of purchase for a replacement. If
the thermostat clicks, contact the furnace manufacturer
or a service person to verify the heating is operating
correctly.
the thermostat should make a soft click sound. This
sound usually indicates the thermostat is operating
properly. If the thermostat does not click, try the reset
operation listed below. If the thermostat does not click
after being reset contact your heating and cooling
service person or place of purchase for a replacement. If
the thermostat clicks, contact the furnace manufacturer
or a service person to verify the heating is operating
correctly.
No Cool
SYSTEM Switch not set to Cool.
1.
Loose connection to thermostat or system.
2.
Cooling system requires service or
3.
thermostat requires replacement.
Set SYSTEM Switch to
COOL and lower setpoint
temperature below room temperature.
Verify thermostat and system wires are securely
attached.
Same procedure as diagnostic for No Heat condition
except set the thermostat to
Verify thermostat and system wires are securely
attached.
Same procedure as diagnostic for No Heat condition
except set the thermostat to
COOL and lower the
setpoint below the room temperature. There may be up
to a five minute delay before the thermostat clicks in
Cooling.
to a five minute delay before the thermostat clicks in
Cooling.