Manual

920-087-02 (9-03)
E. HeatingControl (heat pumpsandemergencyheat operation)
NOTE: Heat pump models only. Heat pump equipped models use
backup electricresistance heating coils. At extremely low,outdoor
ambient temperatures, the heat pump is automatically disabled and
the unit operates solely on electric resistance heat.
This control islocated behindthe decorativefrontcover and isfound
on the right side panel of the chassis. Itsfunction is to allow you to
set the temperature range inwhich the heat pump operates. This
control switches the unit heat operation between heat pump and
electric resistanceheat based on the outdoor ambient temperature.
These change-over temperatures are based on the settings of the
control. The factory setting is at the one o'clock position. Ifyou wish
to change the factory set point, insert a flat-bladed screwdriver into
the slot and turn counterclockwise to increase the changeover set
point, or clockwise to decrease it.
HEATING CONTROL
COMMANDE DE CHAUFFAGE
CONTROL DEL CALOR
\OAD O_"
EMERGeNCy HEAT
CHAUFFAG£o URGENCE
CALOR D_ [ME_G_NCIA
250454-00
NOTE: The factory set point is recommended for optimum
performance.
NOTE: Emergency heat operation only. In the event of a compressor malfunction in the heat pump mode, turn the screw to the extreme
counterclockwise emergency heat position. The heater will then cycle using electric resistance heat only. Note that in the emergency
heat position, the compressor is locked out, disabling both heat pump and cooling operations. CALL A SERVICE PERSON. DO NOT
FORGET TO RETURN THE CONTROL TO ITS ORIGINAL POSITION AFTER REPAIRSARE MADE OR THE COMPRESSOR WILL
NOT COME ON IN COOLING MODE.
F.FanCycleSwitch
The fan cycle switch is located behind the decorative front cover
below the control panel. It is designed to operate the fan either
continuously or intermittently with the compressor or heating
elements. When the switch is in the CONTINUOUS position,the
fan will run continuously at the selected speed when the unit is
turned on, With the fan cycle switch in the CYCLE position, the fan
will run onlywhen the compressor or heating elements cycle on.
I I
CONTINUOUS CYCLE
GONTINU CICLO
250-458-02
CYCLE DU I
FAN VENTILATEUR I
CYCLE CICLO DEL
VENTILADOR
NOTE: It is recommended that this switch be set in the continuous position for maximum comfort and temperature control.
G. FreshAirVentControl
The vent control lever is located behind the front cover on the left
side of the unit. The unit is shipped in the closed position with a
locking screw in place. The screw must be removedto operate the
lever. When the lever is back, (OPEN), outside air is mixed with
indoor air. When the lever is forward, (CLOSED), no outside air is
admitted into the room and room air is recycled through the unit.
NOTE: The vent should remain closed for peak operating efficiency.
OPEN CLOSED
OUVERT FERME
ABIERTA CERRADA
VENT
AERATION
SALIDA (ESCAPE)
DEL AIRE
FRESH AIR DOOR IS FACTORY
SHIPPED IN CLOSED POSITION.
REMOVE TOP SCREW ON LEVER
TO OPEN DOOR.
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