Step 6. Mount the thermostat

Fig. 11

Fig. 12

a. Align the tabs at the top of the thermostat with the tabs at the

 

 

top of the mounting plate (Fig. 11).

b.Press the lower edge of the case to latch the bottom of the thermostat (Fig. 12).

M20131

M20130

Step 7. Install the batteries

Fig. 13

 

REMOVING

 

BATTERY

M1719C

DOOR

Fig. 14

IMPORTANT: Batteries must be installed for programming and operation of the thermostat and heating/cooling system. Honeywell recommends using Energizer® batteries.

a.Make sure that the System switch is set in the OFF position.

b.Using a coin, open the battery door as shown in Fig. 13.

c.Install the batteries.

Make sure that the positive and negative terminals are oriented correctly as marked inside the battery case.

d.Replace the battery door.

e.Remove the clear plastic label from the digital display.

Check your progress

When the batteries are installed correctly, the digital display flashes all entries once, then begins to flash a default time and the current temperature (Fig. 14). The flashing continues until you begin to program the thermostat.

You are now ready to program the thermostat. Go to page 12.

8 INSTALLATION

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Image 8
Honeywell CT3300 warranty Mount the thermostat, Install the batteries