Set Heat Anticipator For System; Check Heating - Honeywell Round CT87A Installation Instructions Manual

CT87A,B,J ROUND® THERMOSTAT
8
Set the heat anticipator for your system
IMPORTANT: Setting the heat anticipator allows the thermostat to
maintain accurate temperature control.
1. Using a pencil point, move the heat anticipator pointer to the number
2. Snap on the thermostat cover.
NOTE: If the furnace stays on beyond the thermostat set temperature,
move the anticipator pointer down by .1 ampere.
If the furnace shuts off before the set temperature is reached, move the
anticipator pointer up by .1 ampere.
Never adjust the anticipator below .3 ampere.
9
Check heating/cooling operation

Check heating

1. Turn the transparent dial to the farthest point left.
2. If your CT87 has a subbase, set the system switch to Heat.
3. Turn the dial until the temperature on the setting scale (Fig. 16)
4. Turn the dial until the temperature on the setting scale is below the
69-0274-6
that you recorded in Step 3, sub-step 3. If you could not find the
anticipator setting on the old thermostat, use the setting for your type
of system shown in the table below.
Your heating system:
Steam
Hot water heat
High-efficiency warm air
Standard warm air
Electric heat
exceeds the room temperature that is shown on the thermometer.
The heating system should start.
room temperature that is shown on the thermometer.
The heating system should stop.
Fig. 16. Checking heating system.
THERMOMETER
Heat anticipator setting:
10
1.2
0.8
0.8
0.4
0.3
SETTING SCALE
M9656