Specifications

PRODUCT SPECIFICATIONS Split System Air Conditioner: R4A4
12 421 65 6240 06
Specifications subject to change without notice.
ACCESSORY USAGE GUIDELINES
ACCESSORY
REQUIRED FOR
LOW- AMBIENT COOLING
APPLICATIONS
(Below 55F/12.8_C)
REQUIRED FOR LONG
LINE
APPLICATIONS*
(Over 80 ft./24.38 m)
REQUIRED FOR
SEA COAST
APPLICATIONS
(Within 2 miles/
3.22 km)
Compressor Start Assist Capacitor and Relay Yes Yes No
Crankcase Heater Yes Yes No
Evaporator Freeze Thermostat Yes No No
Hard Shut- Off TXV Yes Yes Yes
Liquid Line Solenoid Valve No No No
Low- ambient Pressure Switch Yes No No
Support Feet Recommended No Recommended
Winter Start Control Yes** No No
* For tu bing line sets between 80 an d 200 ft. ( 24.38 and 60.96 m) and/or 20 ft. (6.09 m) vertical differential, refer to Residential Split- System Longline Application
Guideline.
** Can only be installed in conjunction with Low Pressure Switch.
ACCESSORIES
Accessory Kit Number Description 18 24 30 36 42 48 60
NASA001CH Crankcase Heater for Scroll Compressor X X X
NASA003CH Crankcase Heater for Scroll Compressor X X X X
NASA001SC Start Component - PTC Device X X X X X X X
NASA00201FS Evaporator Freeze Thermostat X X X X X X X
NASA404PS High Pressure Switch X X X X X X X
NASA403PS Low Pressure Switch, AC, R - 410A X X X X X X X
NASA401LS Liquid Line Solenoid Valve, R- 410A X X X X X X X
NASA001TD Time Delay Relay, Indoor Blower X X X X X X X
NASA00201WS Winter Start Control X X X X X X X
NASA001AC Anti- Cycle Timer (5 minute delay) X X X X X X X
NASA404PS High Pressure Switch, AC or HP, R- 410A X X X X X X X
NASA401LA Low Ambient Kit (Pressure Switch), R- 410A X X X X X X X
NASA001SJ Sound Jacket, Compressor X X
NASA002SJ Sound Jacket, Compressor X X X
NASA003SJ Sound Jacket, Compressor X
NASA00201SF Support Feet, 4” (102mm) tall (5 blocks) X X X X X X X
NAEA40501TX TXV Kit for use with copper or tin fan coils X X X
NAEA40601TX TXV Kit for use with copper or tin fan coils X X
NAEA40701TX TXV Kit for use with copper or tin fan coils X
NAEB40501TX TXV Kit for use with aluminum fan coils X X X
NAEB40601TX TXV Kit for use with aluminum fan coils X X
NAEB40701TX TXV Kit for use with aluminum fan coils X
Copyright 2017 International Comfort Products
Lewisburg, Tennessee 37091 USA