Hunter 44660 User Guide - Page 8

Installation - thermostat four wire wiring

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8 Installation What You Need This thermostat includes two #8 slotted screws and two wall anchors for mounting. To install your thermostat, you should have the following tools and materials. Remove Old Thermostat CAUTION: Do not remove any wiring from existing thermostat before reading the instructions carefully. WIRES MUST BE LABELED PRIOR TO REMOVAL. ■ IMPORTANT! Turn off the power to the furnace at the main power panel or at the furnace. ■ Remove existing thermostat cover. See Figure 1. Some thermostats will have screws or other locking devices that must first be removed. Once wall mounting plate is exposed, look for wires. If wires are not visible, they may be connected to the back of the wallplate. Again, look for screws, tabs, etc. Some models have doors that open to expose wires and mounting screws. (See Figure 1). ■ Slotted Screwdriver(s) ■ Electric drill and 3/16" bit ■ Phillips Screwdriver ■ Two 1.5 V (AA) size alkaline bat- teries ■ Hammer TYPICAL HOME THERMOSTATS Figure 1 Wall Mounting Plate Thermostat Cover Wall Mounting Plate Thermostat Cover

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8
INSTALLATION
Wall Mounting Plate
Thermostat
Cover
Wall Mounting Plate
Thermostat
Cover
What You Need
This thermostat includes two #8 slotted screws and two wall an-
chors for mounting. To install your thermostat, you should have
the following tools and materials.
CAUTION: Do not remove any wiring from existing
thermostat before reading the instructions carefully.
WIRES MUST BE LABELED PRIOR TO REMOVAL.
■
IMPORTANT! Turn off the power to the furnace at
the main power panel or at the furnace.
■
Remove existing thermostat cover. See Figure 1.
Some thermostats will have screws or other lock-
ing devices that must first be removed. Once wall
mounting plate is exposed, look for wires.
If wires are not visible, they may be connected to the
back of the wallplate. Again, look for screws, tabs, etc.
Some models have doors that open to expose wires
and mounting screws. (See Figure 1).
Remove Old Thermostat
TYPICAL HOME THERMOSTATS
Figure 1
■
Slotted Screwdriver(s)
■
Electric drill and 3/16" bit
■
Phillips Screwdriver
■
Two 1.5 V (AA) size alkaline bat-
teries
■
Hammer