4
STANDARD FEATURES AND ACCESSORIES
Ease Of Installation
Compact Size S
Hanging Bracket For Indoor Unit S
Stacking Kit A
Wall Mounting Kit A
Condensate Pump A
Comfort Features
Automatic Air Sweep S
Auto Restart Function S
Auto Changeover On Heat Pumps S
Energy Saving Features
Stop/Start Timer S
Safety And Reliability
3MinuteTimeDelayForCompressor S
Over Curr ent Protection For Compressor S
High and Low Pressure Switches on Cooling Only Units S
High Pressure Switch and Loss Of Charge Switch On HP S
Indoor Coil Freeze Protection S
Factory Supplied Filter Dryer For Field Installation S
Accumulator On Heat Pumps Units S
Ease Of Service And Maintenance
Control Box Accessible From Bottom Of Unit S
Cleanable Filters S
Liquid Line Pressure Tabs S
Suction And Discharge Pressure Tabs S
Application Flexibility
208/230 and 460 3 Phase on size 036, 048, a nd 060 S
Electric Heat On 40QAQ Units S
Long lines up to 200 Ft (accessories required) A
Outside Air Intake Kit A
P ower Ventilation Kit A
Low Ambient Controls (---20° F) A
Knock Out For Outside Air Intake S
Wind Baffles A
Wall Mounted Th er mostats A
Wa rranty
5---Year Compressor Warranty S
1---Year Parts Warranty S
Compressor Extended Warranty Years 6 Thru 10 O
All Parts And Labor Years 2 T hru 5 O
All Parts And Labor Years 2 Thru 5, Compressor Years 6 T h ru 10 O
Legend
SStandard
A Accessory
OOptional
OUTDOOR UNITS
LOW AMBIENT KIT
The kit controls condenser fan cycling using a pressure switch. It is
specifically designed to control fan--motor cycles in response to
saturated condensing pressure. This device maintains a constant
saturated condensing temperature of 100 _F ± 10 _F (37.78_C ±
--12.22 _C) at outdoor--air temperatures between 55 _F and --20 _F
(12.78_C ± --12.22_C), and can be used on all outdoor units
without changing the outdoor fan motor.
WINTER START CONTROL
The Winter Start Control is a SPST delay relay. the control
bypasses the low pressure switch for approximately 3 minutes to
permit start--up for cooling operation under low load conditions at
low ambient temperatures. This relay is recommended on all
systems that have the accessory Low Ambient Kit. Winter Start
Control can also be used to provide low ambient cooling at
outdoor ambient temperatures between 55_F and 40_F (12.8_C
and 4.4_C).
ISOLATION RELAY
To be used when Low Ambient Kit is used with heat pumps. This
will ensure that the pressure switch is bypassed if unit is running in
heat pump mode.
LIQUID LINE SOLENOID VALVE
The Liquid Line Solenoid Valve is an electronically operated
shutoff valve that is installed at the outdoor unit to stop and start
refrigerant flow in response to compressor operation. The valve
maintains a column of refrigerant in the liquid line between
compressor operating cycles and is required for certain long--line
applications and to improve system performance.
CRANKCASE HEATER
The Crankcase Heater is available for units with scroll compressors
and clamps onto the compressor oil sump. It is recommended for
low ambient and long line applications.
WIND BAFFLES
The Wind Baffle is an accessory sheet metal wrapper used to
provide improved unit operation during high winds and is
recommended whenever the Low Ambient Kit is used.
40QAC/38HDR -- 40QAQ/38QR
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