Route Ground And Power Wires; Liquid-Line Filter Drier; Accessory Usage - Carrier 38EZG Installation And Start-Up Instructions Manual

Table 1—Refrigerant Connections and Recommended Liquid Line and Vapor Tube Diameters (In.)
LIQUID
UNIT
SIZE
Connection Diameter
018, 024 3/8
030, 036 3/8
042, 048 3/8
060 3/8
NOTES:
1. Tube diameters are for lengths up to 50 ft. For tubing lengths greater than 50 ft horizontal, or greater than 20 ft 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.
ACCESSORY
Crankcase Heater
Evaporator Freeze Thermostat
Winter Start Control
Accumulator
Compressor Start Assist
Capacitor and Relay
MotorMaster® Control,
or
Low-Ambient Pressure Switch
Wind Baffle
Coastal Filter
Liquid-Line Solenoid Valve
or
Hard Shutoff TXV
Ball Bearing Fan Motor
* For tubing line sets between 50 and 175 ft, refer to Application Guideline and Service Manual — Air Conditioners and Heat Pumps Using Puron® Refrigerant.
† Only when low-pressure switch is used.
‡ Required for low-ambient controller (full modulation feature) and MotorMaster® Control only.
on unit rating plate. Contact local power company for correction of
improper voltage. See unit rating plate for 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
permissible limits.
NOTE: Use copper wire only between disconnect switch and
unit.
LIQUID-LINE
FILTER-DRYER
CONNECTOR
Fig. 6—Liquid-Line Filter Drier
Tube Diameter Connection Diameter
3/8 5/8
3/8 3/4
3/8 7/8
3/8 7/8
Table 2—Accessory Usage
REQUIRED FOR
LOW-AMBIENT
APPLICATIONS
(BELOW 55°F)
Yes
Yes
Yes†
No
Yes
Yes
See low-ambient instructions
No
No
Yes‡
TUBE
VAPOR
Tube Diameter Connection Diameter
5/8
3/4
7/8
1-1/8
REQUIRED FOR
LONG-LINE
APPLICATIONS*
(OVER 50 FT)
Yes
No
No
No
Yes
No
No
No
See Long-Line
Application
Guideline
No
NOTE: Install branch circuit 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
control box.
5
A99331
VAPOR (LONG LINE)
Tube Diameter
5/8 3/4
3/4 7/8
7/8 1-1/8
7/8 1-1/8
REQUIRED FOR
SEA COAST
APPLICATIONS
(WITHIN 2 MILES)
No
No
No
No
No
No
No
Yes
No
No