Carrier 40QNC Installation Instructions Manual page 11

38HDF /
38QRF
V--- PH --- Hz
UNIT
SIZE
018
208/230 ---1 ---60
024 208/230 ---1 ---60
030 208/230 ---1 ---60
208/230 ---1 ---60
035 208/230 ---3 ---60
460 ---3 ---60
208/230 ---1 ---60
036 208/230 ---3 ---60
460 ---3 ---60
UNIT SIZE V--- PH --- Hz
40QNC01824 208/230 ---1 ---60
40QNC030 208/230 ---1 ---60
40QNC036 208/230 ---1 ---60
40QNQ018 208/230 ---1 ---60
40QNQ024 208/230 ---1 ---60
40QNQ030
208/230 ---1 ---60
40QNQ036 208/230 ---1 ---60
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 (USA Standard) requirements for multimo-
tor and combination load equipment (refer to NEC Articles 430 and
440), the over current protective device for the unit shall be fuse.
4. Motor RLA values are established in accordance with UL (Under-
writers' Laboratories) Standard 465 (USA Standard).
5. 38QRF018 ---030 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 percent-
age of voltage imbalance:
max voltage deviation from average voltage
= 100 X
EXAMPLE: Supply voltage is 460 ---3 ---60
AB = 452v
BC = 464v
AC = 455v
Average Voltage =
Table 10 – 38HDF / 38QRF Electrical Data
COMPRESSOR
VOLTAGE RANGE*
RLA
Min Max
187 253 9.0
187 253 12.8
187 253 14.1
187 253 16.7
187 253 10.4
414 506 5.8
187 253 17.9
187 253 13.2
414 506 6.0
Table 11 – 40QNC, QNQ Fan Coil Electrical Data
VOLTAGE RANGE*
Min Max
187 253
187 253
187 253
187 253
187 253
187 253
187 253
average
452 + 464 + 455
3
= 1371
3
=
457
OUTDOOR FAN MOTOR
LRA FLA NEC Hp
48.0 0.80 0.125
58.3 0.80 0.125
73.0 1.50 0.25
79.0 1.50 0.25
79.0 1.50 0.25
79.0 0.80 0.25
112.0 1.45 0.25
88.0 1.45 0.25
44.0 0.80 0.25
FAN
Motor Power
FLA
(Watts)
0.38 64
0.38 74
0.44 74
0.38 64
0.38 64
0.38 74
0.44 74
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
= 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%.
11
FUSE/
MIN CKT
HACR
AMPS BKR
kW Out
AMPS
0.09 12.1 20
0.09 16.8 25
0.19 18.4 30
0.19 22.3 35
0.19 14.5 20
0.19 8.7 15
0.19 23.8 40
0.19 18.0 30
0.19 8.3 15
POWER
MIN CKT FUSE/CKT
AMPS BKR AMPS
0.48 15
0.48 15
0.55 15
0.48 15
0.48 15
0.48 15
0.55 15
7
57