ICP HC4H3, Руководство по установке

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Table 2—HC4H3 Electrical Data
HC4H3
UNIT
SIZE
V-PH-Hz
VOLTAGE
RANGE*
COMPRESSOR OUTDOOR FAN MOTOR MIN
CKT
AMPS
FUSE/CKT BKR
AMPS
RLA LRA FLA
NEC
Hp
kw
Out
Min Max
18 208/230-1-60 187 253 9.8 48.0 0.80 0.125 0.09 12.1 20
24 208/230-1-60 187 253 12.8 58.3 0.80 0.125 0.09 16.8 25
30 208/230-1-60 187 253 12.8 64.0 1.45 0.25 0.19 17.5 30
36
208/230-1-60 187 253 14.1 77.0 1.45 0.25 0.19 19.1 30
208/230-3-60 187 253 9.0 71.0 1.45 0.25 0.19 12.7 20
460-3-60 414 506 5.6 38.0 0.80 0.25 0.19 7.8 15
48
208/230-1-60 187 253 21.8 117.0 1.45 0.25 0.19 28.7 50
208/230-3-60 187 253 13.7 83.1 1.45 0.25 0.19 18.6 30
460-3-60 414 506 6.2 41.0 0.80 0.25 0.19 8.6 15
60
208/230-1-60 187 253 26.4 134.0 1.45 0.25 0.19 34.5 60
208/230-3-60 187 253 16.0 110.0 1.45 0.25 0.19 21.5 35
460-3-60 414 506 7.8 52.0 .80 0.25 0.19 10.6 15
LEGEND :
FLA - Full Load Amps
LRA - Locked Rotor Amps
NEC - National Electrical Code
RLA - Rated Load Amps (compressor)
* Permissible limits of the voltage range at which the unit will operate
satisfactorily
NOTES :
1. Control circuit is 24 − V on all units and requires
external power source. Copper wire must be used
from service disconnect to unit.
2. All motors/compressors contain internal overload
protection.
3. In compliance with NEC (U.S.A. Standard)
requirements for multimotor and combination load
equipment (refer to NEC Articles 430 and 440), the
overcurrent protective device for the unit shall be
fuse.
4. Motor RLA values are established in accordance with
UL (Underwriters’ Laboratories) Standard 465 (U.S.A.
Standard).
5. HC4H318 − 30 units are only available in single − phase
voltage.
6. Unbalanced 3 − Phase Supply Voltage
Never operate a motor where a phase imbalance in
supply voltage is greater than 2%. Use the following
formula to determine the percentage of voltage
imbalance:
= 100 X
max voltage deviation from average voltage
average
EXAMPLE : Supply voltage is 460-3-60
AB = 452v
BC = 464v
AC = 455v
Average Voltage =
452 + 464 + 455
3
= 1371
3
= 457
Determine maximum deviation from average voltage:
(AB) 457-452 = 5v
(BC) 464-457 = 7v
(AC) 457-455 = 2v
Maximum deviation is 7v.
Determine percentage of voltage imbalance
% of voltage imbalance = 100 x
7
57
=
1.53%
This amount of phase imbalance is satisfactory as it is below the maximum
allowable of 2%.
IMPORTANT : Contact your local electric utility company immediately if the
supply voltage phase imbalance is more than 2%.