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.
H2A336G*D200
H2A342G*D200
H2A348G*D200
H2A360G*D300
* = H or L
!
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
501 04 2502 00 Aug 2009
TECHNICAL SUPPORT MANUALSplit System Air Conditioner: H2A3, 3−Phase
2501 04 2502 00
Model Sizes: 36, 42, 48, 60
334996−101_A
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. Use copper conductors only. Use conductors suitable for at least 75°C (167°F).
6. Connection for typical cooling only thermostat. For other arrangements see installation instructions.
7. If indoor section has a transformer with a grounded secondary, connect the grounded side to the BRN/YEL lead.
8. When start capacitor and relay are installed, start thermistor is not used.
9. CH not used on all units.
10. If any of the original wire, as supplied, must be replaced, use the same or equivalent wire.
11. Check all electrical connections inside control box for tightness.
12. Do not attempt to operate unit until service valves have been opened.
13. Do not rapid cycle compressor. Compressor must be off 3 minutes to allow pressures to equalize between high and low side before starting.
14. It is imperative to connect 3−phase field power to unit with correct phasing. If phasing is reversed, interchange any two of the three power connections on field side.
15. Wire not present if HPS, LPS or CTD are used.
16. Not for interrupting current.
TECHNICAL SUPPORT MANUALSplit System Air Conditioner: H2A3, 3−Phase
R−22 CHARGING CHART
Rating Plate (required) Subcooling Temperature ° F (° C)
† Total capacities are net (I.D. blower heat subtracted) system capacities based on 25’ line set.
If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.
†† At TVA rating indoor condition (75 °F db, 63 °F wb), all other indoor air temperatures are at 80 ° F db
If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.
^ System amps are total of indoor and outdoor amps.
‡ Chart data is for 80° F indoor dry bulb. For indoor db temperatures other than 80° F, measure Indoor db and Indoor CFM, and plug these into the
formula below. Measure outdoor db and indoor wet bulb, apply these to the chart above, find MBh and S/T, and plug these into the formula below.
(Note: if indoor db is the only thing changing, total capacity, MBh, stays the same.)
Sensible Capacity at Indoor db LOWER than 80 ° F = ( MBh x S/T ) −
( 80 − Indoor db ) x 835 x Indoor CFM
1000
(
)
Sensible Capacity at Indoor db HIGHER than 80 °F = ( MBh x S/T ) +
( Indoor db − 80 ) x 835 x Indoor CFM
1000
(
)
TECHNICAL SUPPORT MANUALSplit System Air Conditioner: H2A3, 3−Phase
† Total capacities are net (I.D. blower heat subtracted) system capacities based on 25’ line set.
If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.
†† At TVA rating indoor condition (75 °F db, 63 °F wb), all other indoor air temperatures are at 80 ° F db
If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.
^ System amps are total of indoor and outdoor amps.
‡ Chart data is for 80° F indoor dry bulb. For indoor db temperatures other than 80° F, measure Indoor db and Indoor CFM, and plug these into the
formula below. Measure outdoor db and indoor wet bulb, apply these to the chart above, find MBh and S/T, and plug these into the formula below.
(Note: if indoor db is the only thing changing, total capacity, MBh, stays the same.)
Sensible Capacity at Indoor db LOWER than 80 ° F = ( MBh x S/T ) −
( 80 − Indoor db ) x 835 x Indoor CFM
1000
(
)
Sensible Capacity at Indoor db HIGHER than 80 °F = ( MBh x S/T ) +
( Indoor db − 80 ) x 835 x Indoor CFM
1000
(
)
TECHNICAL SUPPORT MANUALSplit System Air Conditioner: H2A3, 3−Phase
† Total capacities are net (I.D. blower heat subtracted) system capacities based on 25’ line set.
If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.
†† At TVA rating indoor condition (75 °F db, 63 °F wb), all other indoor air temperatures are at 80 ° F db
If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.
^ System amps are total of indoor and outdoor amps.
‡ Chart data is for 80° F indoor dry bulb. For indoor db temperatures other than 80° F, measure Indoor db and Indoor CFM, and plug these into the
formula below. Measure outdoor db and indoor wet bulb, apply these to the chart above, find MBh and S/T, and plug these into the formula below.
(Note: if indoor db is the only thing changing, total capacity, MBh, stays the same.)
Sensible Capacity at Indoor db LOWER than 80 ° F = ( MBh x S/T ) −
( 80 − Indoor db ) x 835 x Indoor CFM
1000
(
)
Sensible Capacity at Indoor db HIGHER than 80 °F = ( MBh x S/T ) +
( Indoor db − 80 ) x 835 x Indoor CFM
1000
(
)
TECHNICAL SUPPORT MANUALSplit System Air Conditioner: H2A3, 3−Phase
† Total capacities are net (I.D. blower heat subtracted) system capacities based on 25’ line set.
If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.
†† At TVA rating indoor condition (75 °F db, 63 °F wb), all other indoor air temperatures are at 80 ° F db
If additional tubing length and/or indoor unit is located above outdoor unit, a slight variation in capacity may occur.
^ System amps are total of indoor and outdoor amps.
‡ Chart data is for 80° F indoor dry bulb. For indoor db temperatures other than 80° F, measure Indoor db and Indoor CFM, and plug these into the
formula below. Measure outdoor db and indoor wet bulb, apply these to the chart above, find MBh and S/T, and plug these into the formula below.
(Note: if indoor db is the only thing changing, total capacity, MBh, stays the same.)
Sensible Capacity at Indoor db LOWER than 80 ° F = ( MBh x S/T ) −
( 80 − Indoor db ) x 835 x Indoor CFM
1000
(
)
Sensible Capacity at Indoor db HIGHER than 80 °F = ( MBh x S/T ) +
( Indoor db − 80 ) x 835 x Indoor CFM
1000
(
)
TECHNICAL SUPPORT MANUALSplit System Air Conditioner: H2A3, 3−Phase
Data for Condenser Only (Cooling)
Saturated Suction
Temperature ° F
5565758595105115125
Condenser Entering Air Temperature ° F
H2A336
TCG30.1029.0027.7026.3024.8023.0021.1019.00
30
SDT73.4082.3091.20100.30109.30118.40127.50136.40
KW1.631.812.002.202.432.703.013.37
TCG33.5032.1030.7029.2027.5025.6023.6021.40
35
SDT75.4084.1092.90101.80110.80119.80128.80137.70
KW1.671.852.042.242.472.733.043.40
TCG37.0035.5033.9032.2030.4028.4026.3024.00
40
SDT77.6086.1094.70103.50112.40121.30130.20139.10
KW1.731.902.092.292.512.783.083.44
TCG40.6038.9037.2035.4033.4031.3029.1026.70
45
SDT79.8088.1096.60105.30114.00122.90131.70140.50
KW1.771.952.132.332.562.823.133.49
TCG44.3042.5040.6038.6036.5034.3032.0029.40
50
SDT82.0090.1098.50107.10115.70124.50133.20142.00
KW1.811.982.162.372.592.863.173.53
TCG48.0046.0044.0041.9039.7037.4034.9032.30
55
SDT84.1092.10100.40108.80117.40126.10134.70143.40
KW1.821.992.182.382.612.873.183.55
H2A342
TCG34.1032.7031.1029.6028.8026.3024.7022.90
30
SDT72.9081.9091.00100.10104.80118.70128.00137.40
KW1.962.192.442.722.883.383.754.15
TCG37.6036.0034.3032.7031.8029.2027.4025.50
35
SDT74.6083.5092.50101.60106.20120.00129.30138.60
KW1.992.222.472.752.903.413.794.20
TCG41.2039.5037.8036.0035.0032.2030.3028.30
40
SDT76.5085.2094.10103.10107.60121.40130.60139.80
KW2.022.252.502.782.943.453.834.24
TCG45.2043.3041.4039.5038.5035.4033.4031.20
45
SDT78.4087.0095.80104.70109.20122.80132.00141.10
KW2.062.282.532.822.973.483.874.28
TCG49.3047.3045.3043.2042.1038.8036.6034.30
50
SDT80.5089.0097.60106.40110.80124.30133.40142.50
KW2.092.322.572.853.013.523.914.33
TCG53.8051.6049.4047.1046.0042.4040.0037.50
55
SDT82.6091.0099.50108.20112.60125.90134.90143.90
KW2.132.362.612.893.053.563.954.37
TCG = Gross Cooling Capacity (x 1000 BTU/hr)
SDT = Saturated Temperature Leaving Compressor
kW = Outdoor Unit Kilowatts
8501 04 2502 00
TECHNICAL SUPPORT MANUALSplit System Air Conditioner: H2A3, 3−Phase
Data for Condenser Only (Cooling)
Saturated Suction
Saturated Suction
Temperature ° F
Temperature ° F
Condenser Entering Air Temperature ° F
1251151059585756555
H2A348
TCG43.3040.7038.1035.6033.1030.5028.0025.60
30
SDT72.6081.4090.2099.20108.30117.40126.60135.90
KW2.322.532.753.003.263.543.844.15
TCG48.1045.4042.7040.0037.3034.7032.0029.40
35
SDT74.5083.1091.90100.80109.80119.00128.10137.30
KW2.362.572.803.063.343.643.964.30
TCG53.3050.4047.5044.7041.8039.0036.2033.40
40
SDT76.5085.0093.70102.50111.50120.50129.60138.80
KW2.392.612.853.113.413.734.074.44
TCG58.9055.8052.7049.6046.6043.6040.7037.70
45
SDT78.6087.0095.60104.30113.20122.20131.20140.30
KW2.432.652.893.173.473.804.174.56
TCG64.8061.4058.1054.8051.6048.4045.3042.10
50
SDT80.8089.1097.50106.10115.00123.90132.90141.90
KW2.472.692.943.223.533.884.264.67
TCG71.0067.3063.8060.2056.8053.4050.1046.70
55
SDT83.0091.3099.60108.10116.80125.60134.60143.50
KW2.512.732.993.273.593.954.344.77
H2A360
TCG52.0049.5047.1044.6041.9039.1036.1032.80
30
SDT75.0083.9093.00102.20111.30120.50129.60138.60
KW2.713.023.353.714.124.585.105.71
TCG57.4054.7052.0049.3046.5043.5040.3037.00
35
SDT77.0085.8094.80103.90113.00122.10131.10140.10
KW2.793.093.413.774.184.655.195.81
TCG63.2060.2057.3054.4051.3048.2044.8041.30
40
SDT79.1087.8096.70105.60114.70123.70132.70141.70
KW2.883.173.493.854.264.745.295.93
TCG69.3066.0062.8059.6056.4053.0049.5045.80
45
SDT81.3089.9098.60107.50116.40125.40134.40143.30
KW2.983.263.573.934.344.825.396.03
TCG75.6072.0068.5065.1061.6058.0054.2050.30
50
SDT83.5092.00100.60109.40118.20127.10136.00144.90
KW3.083.343.654.004.424.905.476.14
TCG82.0078.1074.3070.5066.8063.0059.0054.90
55
SDT85.7094.10102.60111.30120.00128.90137.70146.50
KW3.173.423.724.064.484.975.556.22
TCG = Gross Cooling Capacity (x 1000 BTU/hr)
SDT = Saturated Temperature Leaving Compressor
kW = Outdoor Unit Kilowatts
501 04 2502 009
TECHNICAL SUPPORT MANUALSplit System Air Conditioner: H2A3, 3−Phase
10501 04 2502 00
COOLING Multiplying Factors for other Indoor Combinations
TECHNICAL SUPPORT MANUALSplit System Air Conditioner: H2A3, 3−Phase
OUTDOOR UNIT MODEL NUMBER IDENTIFICATION GUIDE (3−Phase)
Digit Position:12345, 6789101112
Example Part Number:
Product Family BRANDING
2 = R−22
4 = R−410AREFRIGERANT
A = Air Conditioner
H = Heat PumpTYPE
3 = 13 SEERNOMINAL EFFICIENCY
36 = 36,000 BTUH = 3 tons
42 = 42,000 BTUH = 3½ tons
48 = 48,000 BTUH = 4 tons
60 = 60,000 BTUH = 5 tonsNOMINAL CAPACITY
A = Standard Grille
G = Coil Guard Grille
C = CoastalFEATURES
H = 208/230−3−60
L = 460−3−60VOLTAGE
Sales Code
Engineering Revision
Extra Digit
Extra Digit
H2A336GHD200
ACCESSORIES PART NUMBER IDENTIFICATION GUIDE
Digit Position:123456, 78, 910, 11
Example Part Number:
N = Non−BrandedBRANDING
A = AccessoryPRODUCT GROUP
S = Split System (AC & HP)KIT USAGE
A = Original
B = 2nd GenerationMAJOR SERIES
0 = Generic or Not Applicable
2 = R−22
4 = R−410AREFRIGERANT
Product Identifier Number
Package Quantity
Type of Kit
(Example: CH = Crankcase Heater)
NASA00 101C H
International Comfort Products, LLC
Lewisburg, Tennessee 37091 USA
14501 04 2502 00
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