INSTALLATION INSTRUCTIONS
R
−
410A Split System Air Conditioner
4
421 01 5104 02
Specifications subject to change without notice.
Table 1
−
Accessory Usage
Accessory
REQUIRED FOR LOW
−
AMBIENT
COOLING APPLICATIONS
(Below 55
5
F / 12.8
5
C)
REQUIRED FOR LONG LINE
APPLICATIONS* (Over 80 ft. / 24.38 m)
Crankcase Heater
Yes
Yes
Compressor Start Assist Capacitor and Relay
Yes
Yes
Evaporator Freeze Thermostat
Yes
No
Liquid Line Solenoid Valve
No
See Long Line Applications Guideline
Low
−
ambient Pressure Switch
Yes
No
Support Feet
Recommended
No
Thermal Expansion Valve (TXV)
Hard Shutoff
Yes
Yes
Winter Start Control
Yes
No
* For tubing line sets between 80 and 200 ft. (24.38 and 60.96 m) and/or 20 ft. (6.09 m) vertical differential, refer to Long Line Applications Guideline.
Table 2
−
Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters (In.)
UNIT SIZE
LIQUID
RATED VAPOR
up to 80 ft. (24.38 m)*
Connection and Tube
Diameter
Connection
Diameter
Rated Tube
Diameter
18, 24, 30,
3/8
3/4
3/4
36, 42, 48
3/8
7/8
7/8
60
3/8
7/8
1
−
1/8
* Units are rated with 25 ft. (7.6 m) of lineset. See Specification sheet for performance data when using different size and length linesets.
Notes
:
1. Do not apply capillary tube or fixed orifice indoor coils to these units.
2. For Tubing Set lengths between 80 and 200 ft. (24.38 and 60.96 m) horizontal or 35 ft. (10.7 m) vertical differential 250 ft. (76.2 m) Total Equivalent Length),
refer to the Long Line Applications Guideline.
