Carrier 38C Series User Manual

J. General Requirements (Check List)
All Long Line Applications
• TXV with 15 to 30% bleed must be installed at indoor unit.
• Hard Start Kit (start capacitor and relay) must be installed on outdoor unit.
• Crankcase heater must be installed on compressor.
• Use liquid line per Tables 5, 7, and 10.
• Use only vapor line sizes listed in Tables 3.
• Adjust charge per Table 4.
• Charge system to 10° subcooling or rating plate subcooling, whichever is greater.
Heat Pumps Only
• Bi- flow liquid line solenoid must be installed within 2 ft (0.61 m)of outdoor unit with arrow pointing towards outdoor unit.
Equal- level Outdoor/Indoor unit
• Outdoor unit and indoor unit must be within +/- 20 ft (6.1 m) vertical separation.
• Vapor line shou
ld slope towards indoor unit.
Heat Pumps Only
• No outdoor AccuRater
TM
adjustment required with less than 20 ft (6.1 m) vertical separation.
Outdoor unit BELOW indoor unit
• See Tables 6, 8, and 11 for longline thresholds.
• An inverted vapor- line trap must be installed at indoor unit. The top peak of trap must be greater than height of indoor coil. See
Fig. 3.
• Vertical separation and line set equivalent length must not exceed requirements listed in Tables 5, 7, or 10.
Heat Pumps Only
• Adjust outdoor AccuRater
TM
per Table 9.
Outdoor unit ABOVE indoor unit
• Maximum vertical separation is 200 ft (61 m)
• Maximum actual line length is 200 ft (61 m)
• Maximum total equivalent length is 250 ft (76.2 m). See Table 10.
• Vapor line traps
are not required.
Heat Pumps Only
• Adjust outdoor AccuRater
TM
per Table 12.
Table 13 - Common AccuRater
TM
– Piston Sizes Available through RCD
(Part numbers are all EA52PHxxx. The last 3 digits represent size.)
EA52PH032 063 093
035 065 096
037 067 098
038 068 101
040 070 104
042
073
106
043
076
109
046 078 110
049 080 113
052 082 116
055 084 120
057 086 125
059
088
128
061
090
Page 30

Carrier 38C Series Specifications

General

Brand	Carrier
Model	38C Series
Category	Air Conditioner
Language	English