8
IMPORTANT: Only trained, qualified personnel should access electrical panel on unit and install electrical
accessories. Please contact your local electrical contractor, dealer, or distributor for assistance.
Thermostat Wire Routing
NOTE:
Thermostat wire is field supplied. Recommended
wire gauge is 18 to 20 gauge solid thermostat wire.
It is recommended that extra wires are run
to unit in case any are damaged during installation.
Thermostat wire should always be routed around
or under, NEVER through, the wall sleeve. The
wire should then be routed behind the front panel
to the easily accessible terminal connector.
THERMOSTAT WIRE ROUTING
(UNDER SLEEVE, BEHIND FRONT PANEL)
Fig. A - Proper Wire Routing Beneath Unit
NOTE: Refer to thermostat installation instructions
for details on installing wall thermostat.
Terminals for manufacturer
provided wall thermostat
*S9 dip switch in
OFF (DOWN)
position.
*S9 dip switch in
ON (UP) position.
Remove the two screws
Cover panel
Terminals for universal
wall thermostat
WALL THERMOSTAT TERMINAL
INSTALLATION OF WALL THERMOSTAT PROVIDED
BY THE AIR CONDITIONER’S MANUFACTURER
NOTE:
When installing a thermostat provided by the
air conditioner’s maufacturer, refer to the specific
instructions included with the thermostat.
IMPORTANT NOTE:
When installing a thermostat
provided by the air conditioner’s manufacturer, the
S9 dip switch must be in the ON (UP) position.
Insert the wire connector of the wall thermostat into
the relevant terminal according to different shape as
shown below.
INSTALLATION OF UNIVERSAL
WALL THERMOSTAT
NOTE:
When installing a universal wall thermostat,
refer to the specific instructions included with the
thermostat chosen.
IMPORTANT NOTE:
When installing a universal
wall thermostat, the S9 dip switch must be in the
OFF (DOWN) position.
Remove the two screws as shown below to access
the terminals behind the cover panel.
TERMINAL DESIGNATION
FC(L)
Front desk control terminal L
FC(N)
Front desk control terminal N
LOW-FAN
Low fan speed
HI-FAN
High fan speed
4-WAY
4-way valve
(For heat pump system)
HEAT2
Electrical heater 2
HEAT1
Electrical heater 1
COMP
Compressor
24V(N)
24VAC terminal N
24V(L)
24VAC terminal L
Summary of Contents for 1PTC07A-3.5
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