White Rodgers 1.00E+78 Thermostat User Manual


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SPECIFICATIONSSPECIFICATIONS
SPECIFICATIONSSPECIFICATIONS
SPECIFICATIONS
ELECTRICAL DATAELECTRICAL DATA
ELECTRICAL DATAELECTRICAL DATA
ELECTRICAL DATA
Electrical Rating:Electrical Rating:
Electrical Rating: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 Load1.5 Amps Maximum Total Load
1.5 Amps Maximum Total Load1.5 Amps Maximum Total Load
1.5 Amps Maximum Total Load (All terminals combined)
THERMAL DATATHERMAL DATA
THERMAL DATATHERMAL DATA
THERMAL DATA
Setpoint Temperature Range:Setpoint Temperature Range:
Setpoint Temperature Range:Setpoint Temperature Range:
Setpoint Temperature Range: 45°F to 90°F (7°C to 32°C)
Operating Ambient Temperature Range:Operating Ambient Temperature Range:
Operating Ambient Temperature Range:Operating Ambient Temperature Range:
Operating Ambient Temperature Range: 32°F to 105°F
Operating Humidity Range: Operating Humidity Range:
Operating Humidity Range: Operating Humidity Range:
Operating Humidity Range: 0 to 90% RH (non-condensing)
Shipping Temperature Range:Shipping Temperature Range:
Shipping Temperature Range:Shipping Temperature Range:
Shipping Temperature Range: -40°F to 150°F
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TROUBLESHOOTINGTROUBLESHOOTING
TROUBLESHOOTINGTROUBLESHOOTING
TROUBLESHOOTING
Reset OperationReset Operation
Reset OperationReset Operation
Reset Operation
If a voltage spike or static discharge blanks out the display or
causes erratic thermostat operation you can reset the thermo-
stat by pressing
and at the same time while moving
the SYSTEM switch from
OFFOFF
OFFOFF
OFF to
HEATHEAT
HEATHEAT
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.
BatteriesBatteries
BatteriesBatteries
Batteries
For optimum performance, we recommend replacing batteries
once a year with fresh “AAA” Energizer
®
alkaline batteries.
Symptom Possible Cause Corrective Action
No Heat 1. Blown fuse or tripped circuit breaker. Replace fuse or reset breaker.
(common problems) 2. Furnace power switch to OFF. Turn switch to ON.
3. Furnace blower compartment door or Replace door panel in proper position to engage safety interlock or door switch.
panel loose or not properly installed.
No Heat 1. Pilot light not lit. Re-light pilot.
2. SYSTEM Switch not set to HEAT. Set SYSTEM Switch to HEAT and raise temperature above room temperature.
3. Loose connection to thermostat or system. Verify thermostat and system wires are securely attached.
4. Furnace Lock-Out Condition. Heat may also Many furnaces have safety devices that shut down when a lock-out condition
be intermittent. occurs. If the heat works intermittently contact the furnace manufacturer or
local service person for assistance.
5. Heating system requires service or Diagonistic: Set SYSTEM Switch to HEAT and raise the setpoint above room
thermostat requires replacement. 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 above. 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.
Heat, Runs 1. Possible short in wiring. Check each wire connection to verify they are not shorted or touching together.
Constantly 2. Possible short in thermostat. No bare wire should stick out from under terminal screws. Try resetting the
3. Possible short in heat system. thermostat as described above. If the condition persists the manufacturer of your
system or service person can instruct you on how to test the Heat system for
correct operation. If the system operates correctly, replace the thermostat.
Furnace Cycles Too 1. The location of the thermostat and/or the Digital thermostats normally provide precise temperature control and may cycle
Fast or Too Slow size of the Heating System may be faster than some older mechanical models. A faster cycle rate means the unit
(narrow or wide influencing the cycle rate. turns on and off more frequently but runs for a shorter time so there is no
temperature swing) increase in energy use. If you would like to increase the cycle time, clip
Jumper W-905 as mentioned in the instructions for Hydronic Heating Systems. It
is not possible to shorten the cycle time. If an acceptable cycle rate is not
achieved as received or by clipping W-905 contact a local service person for
additional suggestions.
Thermostat Setting and 1. Thermostat thermometer setting requires The thermometer can be adjusted +/- 3 degrees. See Temperature Display
Thermostat adjustment. Adjustment in the Operation section.
Thermometer Disagree
Blank Display and/or 1. Voltage spike or static discharge. Replace batteries and check heat/cool system for proper operation. If a voltage
Keypad Not Responding 2. Battery change required. spike occurs use the Reset Operation listed above.
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