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Heating/Cooling System - Honeywell T8195B Installation Instructions Manual

Heating or cooling and heating/cooling new construction thermostat, wallplate and subbase
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COOLING-ONLY SYSTEM
Turn on power to the cooling equipment.
Push both temperature setting levers together at least 5° F
[3° C] below the room temperature. The cooling equipment
will operate, and the fan will start. Allow for any time delay
that may be built into the compressor control circuit.
NOTE: To avoid compressor damage, do not operate the
system when outdoor temperature is below 50° F [10° C].
Refer to manufacturer recommendations.
Move both levers 5° F [3° C] above room temperature.
The cooling equipment and the fan should shut off.
Operate the entire cooling system at least one complete
cycle.
If thermostat fails any test, refer to the Troubleshooting
Guide in the Owner's Manual.
Reset both the temperature setting levers to the desired
temperatures.

HEATING/COOLING SYSTEM

Turn on power to the furnace and cooling system.
Place the system switch lever to HEAT and fan switch
lever to AUTO.
Push both temperature setting levers together at least 5° F
[3° C] above room temperature. The main burner should
come on. The fan will start when the furnace heats up. (If
central electric heat, fan coil or heat pump system, fan starts
immediately.)
Move both levers 5° F [3° C] below room temperature.
The burner should shut off.
Place the system switch lever to COOL and the fan switch
lever to AUTO. The cooling equipment will operate, and the
fan will start. Allow for any time delay that may be built into
the compressor control circuit.
NOTE: To avoid compressor damage, do not operate the
system when outdoor temperature is below 50° F [10° C].
Refer to manufacturer recommendations.
Move both temperature setting levers together at least
5° F [3° C] above the room temperature. The cooling equip-
ment should shut off.
Place the fan switch to ON. The fan should run continu-
ously with the system switch in any position.
Place the system switch to OFF. Move both temperature
setting levers to various positions. The heating and cooling
systems should not operate.
69-0564—3
Operate the entire system for at least one complete cycle
with the system switch at COOL and one complete cycle
with the switch at HEAT.
If thermostat fails any test, refer to the Troubleshooting
Guide in the Owner's Manual.
Reset both the temperature setting levers to the desired
temperatures.
Leave Owner's Manual and Assistance Information in a
convenient place for the building occupant or provide with
other appliance manuals.
Typical Wiring Diagrams
Follow the hookup diagram supplied with your heating,
cooling, or heating/cooling equipment. If not available, use
Figs. 11 through 13 as a guide.
REMEMBER: Your wiring must follow local electrical codes
and ordinances.
Fig. 11—Typical hookup for T8195B Thermo-
stat and Q682C Wallplate in gas heating
control system.
TIMER
R
C
L1
(HOT)
L2
1
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
6
THERMOSTAT
H
H
C
FALL
C
FALL
HEAT
HEAT
ANTICIPATOR
ANTICIPATOR
COOL
ANTICIPATOR
W
WALLPLATE
GAS
CONTROL
Y
M503A

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