International Comfort Products R2H318GKR100, R2H324GKR100, R2H330GKR100, R2H336GKR100, R2H342GKR100 User Manual
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TECHNICAL SUPPORT MANUAL
Heat Pump Component
R2H3**GKR
Safety Labeling and Signal Words
DANGER, WARNING, CAUTION, and
NOTE
The signal words DANGER, WARNING, CAUTION, and NOTE are used to identify levels of haz-
ard seriousness. The signal word DANGER is only
used on product labels to signify an immediate hazard. The signal words WARNING, CAUTION, and
NOTE will be used on product labels and throughout this manual and other manuals that may apply
to the product.
DANGER − Immediate hazards which will result in
severe personal injury or death.
WARNING − Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE − Used to highlight suggestions which will
result in enhanced installation, reliability, or operation.
Signal Words in Manuals
The signal word WARNING is used throughout this
manual in the following manner:
!
The signal word CAUTION is used throughout this
manual in the following manner:
!
Signal Words on Product Labeling
Signal words are used in combination with colors
and/or pictures on product labels.
WARNING
WARNING
CAUTION
TABLE OF CONTENTS
Wiring Diagram 2................................
Charging Chart 3.................................
Parts Drawing 4..................................
Part List 5 − 7....................................
MODELS
R2H318GKR100
R2H324GKR100
R2H330GKR100
R2H336GKR100
R2H342GKR100
R2H348GKR100
R2H360GKR100
!
DEATH, PERSONAL INJURY, AND/OR PROPERTY
DAMAGE HAZARD
Failure to carefully read and follow this warning
could result in equipment malfunction, property
damage, personal injury and/or death.
Installation or repairs made by unqualified persons could result in equipment malfunction, property damage, personal injury and/or death.
The information contained in this manual is intended for use by a qualified service technician familiar with safety procedures and equipped with
the proper tools and test instruments.
Installation must conform with local building
codes and with the National Electrical Code
NFPA70 current edition or Canadian Electrical
Code Part 1 CSA C.22.1.
WARNING
428 04 6400 00 Feb 2011
2 428 04 6400 00
Model Sizes: 18, 24, 30,
36, 42, 48, 60
TECHNICAL SUPPORT MANUAL Heat Pump Component: R2H3**GKR
335782−101A
1. Symbols are electrical representation only.
2. Compressor and fan motor furnished with inherent thermal protection.
3. To be wired in accordance with National Electric N.E.C. and local codes.
4. N.E.C. class 2, 24 V circuit, min. 40 VA required, 60 VA on units installed with LLS.
5. Connection for typical heat pump thermostat. For other arrangements see installation instructions.
6. Use copper conductors only. Use conductors suitable for at least 75°C (167°F).
7. If indoor section has a transformer with a grounded secondary, connect the grounded side to “C” on the circuit board.
8. If any of the original wire, as supplied, must be replaced, use the same or equivalent wire.
9. Check all electrical connections inside control box for tightness.
TECHNICAL SUPPORT MANUAL Heat Pump Component: R2H3**GKR
R−22 CHARGING CHART
Rating Plate (required) Subcooling Temperature ° F (° C)
Measured Liquid
Pressure (psig)
163 83 28 78 26 73 23 68 20
171 86 30 81 27 76 24 71 22
179 89 32 84 29 79 26 74 23
187 92 33 87 31 82 28 77 25
196 95 35 90 32 85 29 80 27
205 98 37 93 34 88 31 83 28
214 101 38 96 36 91 33 86 30
223 104 40 99 37 94 34 89 32
233 107 42 102 39 97 36 92 33
243 110 43 105 41 100 38 95 35
253 113 45 108 42 103 39 98 37
264 116 47 111 44 106 41 101 38
274 119 48 11 4 46 109 43 104 40
285 122 50 117 47 112 44 107 42
297 125 52 120 49 115 46 11 0 43
309 128 53 123 51 118 48 11 3 45
° F (° C) ° F (° C) ° F (° C) ° F (° C)
5 3 10 6 15 8 20 11
R−22 Required Liquid Line Temperature ° F (° C)
428 04 6400 00 3
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