Installation guide
LIQUID-LINE
////// FILTER-D RYER
CONNECTOR
TUBE
Fig. 6--Liquid-Line Filter Drier
A99331
Table 1--Refrigerant Connections and Recommended Liquid Line and Vapor Tube Diameters (in.)
UMT MOULD VAPOR VAPOR {LONG UNE}
SiZE Connection Diameter Tube Diameter Connection Diameter Tube Diameter Connection Diameter Tube Diameter
0t8, 024 3/8 3/8 5/8 5/8 5/8 3/4
030, 036 3/8 3/8 3/4 3/4 3/4 7/8
042, 048 3/8 3/8 7/8 7/8 7/8 1-1/8
060 3/8 3/8 7/8 1-1/8 7/8 1=1/8
NOTES:
1. Tube diameters are for lengths up to 50 ft. For tubing {engths greater than 50 ft horizontal, or greater than 20 fl vertical differential, consult the Application Guideline
and Service Manual -- Air Conditioners and Heat Pumps Using Puron® Refrigerant
2. Do not apply capillary tube indoor coils to these units.
TaNe 2--Accessory Usage
REQUIRED FOR REQUIRED FOR REQUIRED FOR
LOW-AMBII=NT LONG-LINE SEA COAST
ACCESSORY
APPLICATIONS APPUCATBONS* APPUCATIONS
{BELOW 55°F) (OVER 50 FT) {WITHIN 2 MRLES)
Crankcase Heater Yes Yes No
Evaporator Freeze Thermostat Yes No No
Winter Start Contro_ Yest No No
Accumulator No No No
Compressor Start Assist Yes Yes No
Capacitor and Relay
MotorMaster® Control
or Yes No No
Low-Ambient Pressure Switch
Wind Baffle See low-ambient instructions No No
Coastal FHter No No Yes
Liquid_LineSolenoid Valve See Long-Line
or No Application No
Hard Shutoff TXV Guideline
BaH Bearing Fan Motor Yes_: No No
* For tubing line sets between 50 and 175 ft, refer to Application Guideline and Service Manual -- Air Conditioners and Heat Pumps Using Puron® Refrigerant
1 Only when low-pressure switch is used
$ Required for low-ambient controller (full modulation feature) and MotorMaster® Control only.
on unit rating plate ( ontact local power company _br cot_'ection of
improper voltage See unit rating plate fbr recommended circuit
protection device.
NOTE: Operation of unit on improper line voltage constitutes
abuse and could affect unit reliability. See unit rating plate. Do not
install unit in system where voltage may fluctuate above or below
pem_issible limits.
NOTE: Use copper wire only between disconnect switch and
unit
NOTE: Install branch circnit disconnect of adequate size per
NEC to handle unit starting current Locate disconnect within sight
from and readily accessible from unit, per Section 440-14 of NEC.
ROUTE GROUND AND POWER WIRES
Remove access panel to gain access to unit wiring. Extend wires
from disconnect through power wiring hole provided and into unit
cont*ol box