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3.
Attach the new thermostat sub-base to the wall at the
desired mounting location. Mount the sub-base to
the wall before wiring the thermostat.
7330D3351
Heat/Cool Thermostat Shown
7330D3361
"Cool Only" Model Has No
Reference To Heat On Face Of
Thermostat
D. WIRING THE WALL THERMOSTAT
TO PREVENT POSSIBLE DAMAGE
TO THE EQUIPMENT OR PERSONAL
INJURY DUE TO ELECTRICAL SHOCK,
BE SURE THAT ALL ELECTRICAL
POWER TO THE THERMOSTAT HAS
BEEN DISCONNECTED BEFORE
BEGINNING WIRING PROCEDURE.
1.
Strip the 12 volt supply wire ends approximately
3/8 of an inch.
2.
Use the Wire Cross Reference Chart and connect
the appropriate conductor to the wire which
protrudes from the back of the thermostat (See
Figure 3). If this is a first time installation, note
the thermostat wire color for future reference in
order to properly connect the thermostat wiring
to the ceiling assembly.
† Suggested Fuse To Protect Wiring Leading To Thermostat
ª
Not Found in "Cool Only" Applications
3.
Attach the negative and positive 12 volt power
supply wires to the appropriate wire on the
thermostat. It is important to identify the positive
and negative power supply wires before connecting
to insure proper thermostat operation. If this is a
replacement thermostat and there is no negative
12 VDC supply at the thermostat, a negative wire
from the power supply to the thermostat must be
added.
4.
If a furnace system is to be operated from the
thermostat, strip and attach the furnace system wires.
2
FIGURE 1
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