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Payne PYIP180040 Installation, Start-Up And Service Instructions Manual page 14

Py1p single packaged gas heating/ electrical cooling units

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Table 3 -- Electrical Data -- Unit PYIP
UNIT
VOLTAGE
SIZE
V-PH-Hz
RANGE
PY1P
Min
Max
018
208/230-1-60
187
253
024
208/230-1-60
187
253
208/230-1-60
187
253
030
208/230-3-60
187
253
208/230-1-60
187
253
036
208/230-3-60
187
253
460-3-60
4!4
506
208/230-1-60
187
253
042
208/230-3-60
187
253
460-3-60
414
506
208/230-1-601-
187
253
208/230-1-60"*
187
253
048
208/230-3-601-
187
253
208/230-3-60"*
187
253
460-3-601-
414
506
460-3-60**
4!4
506
298/230-1-60
187
253
060
208/230-3-60
187
253
460-3-60
414
506
COMPRESSOR
OUTDOOR-FAN
MOTOR
RLA
LRA
FLA
8.3
45.0
0.7
!2.4
6! .0
0.7
14.4
82.0
1.4
9.4
66.0
1.4
18.0
96.0
1.4
11.7
75.0
1.4
5.6
40.0
0.8
20.4
104.0
1.4
14.0
9! .0
1.4
6.4
42.0
0.8
21.8
124.0
2.!
26.4
129.0
2.1
!2.8
93.0
2.!
15.0
99.0
2.1
6.4
46.5
! .1
8.2
50.0
1.!
32.1
169.0
2.!
!9.3
123.0
2.!
19.0
62.0
! .1
INDOOR-FAN
POWER SUPPLY
MOTOR
FLA
MCA
MOCP*
1.8
12.9
15
2.0
18.2
30
2.3
2! .4
30
2.0
15.1
25
2.8
28.7
40
2.8
18.8
30
1.4
9.2
10
4.0
30.9
50
4.0
22.9
35
2.0
10.8
15
5.0
40.1
60
5.0
40.1
69
5.0
25.9
40
5.0
25.9
49
2.3
!3.7
29
2.3
13.7
20
6.8
49.0
60
6.8
33.0
50
3.2
!6.8
25
AWG 60 C
MIN WIRE
SIZE
14
12
10
12
10
12
14
8
10
14
8
6
10
10
!4
14
6
8
!2
MAX WIRE
LENGTH (ft)
75
8O
100
8O
9O
85
100
100
85
100
100
100
75
75
100
100
100
9O
100
LEGEND
AWG
--
American Wire Gage
FLA
--
Full Load Amps
HACR
--
Heating, Air Conditioning
and
Refrigeration
LRA
--
Locked Rotor Amps
MCA
--
Minimum CircuitAmps
MOCP
--
Maximum Overcurrent
Protection
RLA
--
Rated Load Amps
*Fuse or HACR Breaker.
1-Carrier Scroll Compressor.
**CopeIand Scroll Compressor.
0Q°s
NOTES:
1. In compliance
with NEC (National Electrical Code) requirements
for
multimotor
and
combination
load
equipment
(refer
to
NEC
Articles 430 and 440), the overcurrent
protective device for the unit
shall be fuse or HACR breaker. The CGA (Canadian Gas Associa-
tion) units may be fuse or circuit breaker.
2. Minimum
wire size is based on 60 C copper wire. If other than
60 C wire is used, or if length exceeds wire length in table, deter-
mine size from NEC.
3. 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.
% Voltage imbalance
= !00 x
max voltage deviation from average voltage
average voltage
Example: Supply voltage is 460-3-60.
A
a
C
AB = 452 v
BC = 464 v
(_
AC = 455 v
Average Voltage =
452 + 464 + 455
3
= 1371
3
= 457
Determine
maximum deviation from average voltage.
(AB) 457 - 452 = 5 v
(BC) 464 - 457 = 7 v
(AC) 457 - 455 = 2 v
Maximum deviation is 7 v.
Determine
percent of voltage imbalance.
7
% Voltage Imbalance = 100 x
--
457
= 1.53%
This amount of phase imbalance is satisfactory as it is below the maxi-
mum allowable 2%.
o
IMPORTANT:
If the supply voltage phase imbalance is more than 2 Yo,
contact your local electric utility company
immediately.
--14--

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