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8
VOLTAGE MEASUREMENTS
Once the unit is properly wired, measure the unit supply voltage.
Voltage must fall within the voltage utilization range given in
Table 2.
Unit Voltage
Rating Minimum Maximum
230/208 197 253
265 238 292
115 103.5 126.5
Operating Voltage
Voltage Utilization Range
Table 2 - Operating Voltage
OPERATING INSTRUCTIONS
USERS CONTROLS
A 7 button touch key pad, located behind the control door,
controls both temperature and operation mode. The key pads
can be used alone or in combination.
THERMOSTAT SETTING
7 BUTTON TOUCH PAD WITH DISPLAY
Pressing the COOL thermostat control and the up or down arrows
will provide a cooler room temperature. Pressing the HEAT
thermostat control and the up or down arrow keys will provide
a warmer room temperature.
LCDI OR AFCI POWER CORD
230/208V and 115V units are equipped with LCDI or AFCI power
cords and can open the electrical circuit to the unit. In the event
the unit does not operate, check the reset button located on or
near the head of the power cord as part of the normal trouble-
shooting procedure.
FAN SPEED
The fan speed touch key will deliver high, low or auto fan speed
to circulate room air. NOTE: The AUTO selection will not be
available if a fan speed is selected without COOL or Heat
selection.
Fan Operation HIGH or LOW with HEAT or COOL mode selected
- The selected fan speed shall run in the selected speed.
Fan Operation AUTO with HEAT or COOL mode selected - The fan
will run in low and high speed. The changes in fan speed are
automatic.
DIAGNOSTIC LIGHT
The green diagnostic light located in the lower left hand corner
of the touchpad and indicates operation warnings. This light
usually indicates that either the filter or coils need cleaning.
Please refer to the Maintenance and Cleaning section for the
proper cleaning procedure. If this light is still on after cleaning,
please refer to the Diagnostic & Status Report section for
assistance.
Touch Pad With Display User Controls
ON / OFF
MASTER SWITCH
M2
M1
SW2
P10
COM A
P12
P13
IAT
BLACK
DS1 DS2 MS1 MS2 EH IN LS FD1 FD2 TF- TF+ C R GL W2 Y/W1 B GH
REMOTE THERMOSTATAUXILIARY
Control Board User Inputs*
*NOTE: The PTAC Wire Harness Kit (PWHK01C) is required for
the auxiliary or remote thermostat options.
ADDITIONAL CONTROL INPUTS
The control inputs shown above provide additional unit control
and features. To access these control inputs, the cabinet front
must be removed (see Front Removal).
MASTER SWITCH
The master switch disconnects power to all of the system
components. When this switch is in the off position, the
compressor, fan motor, reversing valve, and electric resistance
heater will all be de-energized.
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