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ACCESSORIES
Table 1—Required Field--Installed Accessories for Air Conditioners
ACCESSORY
REQUIRED FOR LOW---AMBIENT
COOLING APPLICATIONS
(Below 55°F/12.8_C)
REQUIRED FOR
LONG LINE A PPLICA-
TIONS*
REQUIRED FOR
SEA COAST
APPLICATIONS
(Within 2 miles/3.22 km)
Ball Bearing Fan Motor Yes {} No No
Compressor Start AssistCapacitorand Relay Yes** Yes No
Crankcase Heater Yes } Yes } No
EvaporatorFreeze Thermostat Yes } No No
Hard Shut --- Off TXV Yes Yes Yes
Liquid Line Solenoid Valve No No No
Motor Master
®
or Low---am bient Pressure Switch Yes } No No
SupportFeet Recommended No Recommended
WinterStart Control Yes } No No
* For tubing l ine sets between 80 and 200 ft. (24.38 and 60.96 m) and/or 35ft. (10.7 m) vertical differential, refer to Residential Piping and Longline Guideline.
{ Additional requirement for Low---Ambient Controller (full modulation feature) MotorMasterr Control.
} Evolution 2---stage units come standard with t his accessory.
** Not required on 2---stage
Table 2—Required Field--Installed Accessories for Heat Pumps
ACCESSORY
REQUIRED FOR LOW---AMBIENT
COOLING APPLICATIONS
(Below55°F / 12.8°C)
REQUIREDFOR
LONG LINE A PPLICA-
TIONS*
REQUIREDFOR
SEA COAST APPLICA-
TIONS(Within2 miles /
3.22 km)
Accumulator Standard Standard Standard
Ball Bearing Fan Motor Yes {} No No
Compressor StartAssist Capacitorand Relay Yes ** Yes No
Crankcase Heater Yes }
Yes }
No
EvaporatorFreeze Thermostat Yes } No No
Hard ShutoffTXV Yes Yes Yes
Isolation Relay Yes No No
Liquid Line Solenoid Valve No
See Long---Line Application
Guideline
No
Motor Master® Control or
Low AmbientSwitch
Yes } No No
SupportFeet Recommended No Recommended
* For tubing l ine sets between 80 and 200 ft. (24.38 and 60.96 m) and/or 20 ft. (6.09 m) vertical differential, refer to Residential Piping and Longline Guideline.
{ Additional requirement for Low---Ambient Controller ( full modulation feature) Mo torMasterr Control.
} Evolution 2---stage units come standard with t his accessory.
** Not required on 2---stage