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117
Section 15: Dual Zone
15.1: User Interface Control
Refer to Section 5.4 of this manual for more specific control reference
15.2: Operation
TEMPERATURE CONTROL OF THE DUAL ZONE COMPARTMENTS
Colder temperature is maintained per the SETPOINT for the lower compartment. Temperature
is achieved and maintained by cycling the compressor on and off to reach the desired
SETPOINT temperature.
Warmer (upper zone) temperature is maintained per the SETPOINT by opening and closing
both damper doors along with the heat generated by the 20 watt AC heater located behind
the upper compartment access cover.
A call for cooling will open up both compartment dampers for tempered cold air throughout
the unit. NOTE: When the upper damper is open for cooling, the small air louvers in the upper
compartment will be closed, as evidence of the grey foam tape sealing against the rear of the
louver openings. The tempered air will be expelled through the circulation fan.
A call for heating in the upper compartment will close the upper damper into the lower
compartment. NOTE: When the upper damper is closed for heat, the small air louvers in the
upper compartment will open, as evidence of the grey foam tape opening away from the rear
User Interface Display: Features dual
compartment temperature set point
option on display.
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