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Honeywell T8195B Installation Instructions Manual page 5

Heating or cooling and heating/cooling new construction thermostat, wallplate and subbase
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Fig. 8—Set timer.
SET TEMPERATURE CONTROL LEVERS
The two levers on the top of the thermostat control the
low and high temperatures for energy savings and comfort
control (Fig. 10). The lever on the left (blue mark) controls
the lower temperature. The lever on the right (red mark)
controls the higher temperature.
We recommend pushing the levers together at an appro-
priate temperature for either heat or cool until the occupant
programs the thermostat and makes the final temperature
selections.
SET SUBBASE SWITCHES (IF APPLICABLE)
The subbase system switch controls system operation as
follows:
HEAT: Heating system is controlled by the thermostat.
Cooling system is off.
COOL: Cooling system is controlled by the thermostat.
Heating system is off.
OFF: Both the heating and cooling systems are off. If the
fan switch is in the AUTO position, the fan is also off.
The subbase fan switch controls fan operation as follows:
ON: Fan operates continuously.
AUTO: Fan operates with the cooling equipment as con-
trolled by the thermostat or with the heating equipment
as controlled by the plenum switch. In electric heat,
heat pump, and fan coil systems, the fan is controlled
by the thermostat in heating and cooling.
To switch positions, use thumb or index finger to slide
lever to the desired position. For proper circuit operation,
switch lever must stop in detent over the desired function
indicator mark.
Fig. 9—Attach cover.
PROGRAM
PINS (4)
SEE OWNER'S
MANUAL FOR
DETAILS
TIMER
SETTING
KNOB
TIME
INDICATOR
ARROW
Fig. 10—Temperature control levers.
M5161
HEATING-ONLY SYSTEM
Turn on power to the furnace.
Push both temperature setting levers together at least 5° F
[3° C] above the room temperature. The main burner should
come on. The fan will start when the furnace heats up.
Move both levers 5° F [3° C] below the room tempera-
ture. The burner should shut off.
Operate the entire heating 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.
5
LOW TEMPERATURE
(BLUE MARK)
SET LEVER
60
70
50
CAUTION
Do not check operation by shorting across termi-
nals of system controls. This will damage the heat
anticipator.
M8604
HIGH TEMPERATURE
(RED MARK)
SET LEVER
80
M859
Checkout
69-0564—3

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