JOHNSON CONTROLS
35
SECTION 2 – INSTALLATION
FORM 100.50-NOM6
ISSUE DATE: 8/07/2017
2
ELECTRICAL DATA
Electrical Service Sizing
In order to use the electrical service required for the
cooling only YORK YPAL rooftop, use the appropriate
calculations listed below from U.L. 1995. Based on the
configuration of the rooftop, the calculations will yield
different MCA (minimum circuit ampacity), and MOP
(maximum overcurrent protection).
Using the following load definitions and calculations,
determine the correct electrical sizing for your unit. All
concurrent load conditions must be considered in the
calculations, and you must use the highest value for
any combination of loads.
Load Definitions
•
LOAD1
is the current of the largest motor – com-
pressor or fan motor.
•
LOAD2
is the sum of the remaining motor cur-
rents that may run concurrently with LOAD1.
•
LOAD3
is the current of the electric heaters –
zero for cooling only units.
•
LOAD4
is the sum of any remaining currents
greater than or equal to 1.0 amp.
Use the following calculations to determine MCA and
MOP for units supplied with a single-point power con-
nection:
MCA = (1.25 x LOAD1) + LOAD2 + LOAD3 + LOAD4
MOP = (2.25 x LOAD1) + LOAD2 + LOAD3 + LOAD4
If the MOP does not equal a standard current rating
of an overcurrent protective device, then the marked
maximum rating is to be the next lower standard rating.
However, if the device selected for MOP is less than
the MCA, then select the lowest standard maximum
fuse size greater than or equal to the MCA.
TABLE 8 -
COMPRESSOR DATA - R-410A
MODEL
COMPRESSOR
MODEL
NOMINAL VOLTAGE
208-230/3/60
460/3/60
575/3/60
RLA*
LRA
RLA*
LRA
RLA*
LRA
050
1A
ZP120
33.3
239
17.9
125
12.8
80
1B
ZP137
48.0
245
18.6
125
14.7
100
2A
ZP121
33.3
239
17.9
125
12.8
80
2B
ZP137
48.0
245
18.6
125
14.7
100
051
1A
ZP137
48.0
245
18.6
125
14.7
100
1B
ZP137
48.0
245
18.6
125
14.7
100
2A
ZP137
48.0
245
18.6
125
14.7
100
2B
ZP137
48.0
245
18.6
125
14.7
100
060
1A
ZP137
48.0
245
18.6
125
14.7
100
1B
ZP182
55.7
340
26.9
172
23.7
132
2A
ZP137
48.0
245
18.6
125
14.7
100
2B
ZP182
55.7
340
26.9
172
23.7
132
061
1A
ZP154
51.3
300
22.4
150
19.8
109
1B
ZP182
55.7
340
25.0
172
23.7
132
2A
ZP137
48.0
245
18.6
125
14.7
100
2B
ZP182
55.7
340
25.0
172
23.7
132
TABLE 9 -
POWER SUPPLY VOLTAGE LIMITS
POWER SUPPLY
MINIMUM VOLTAGE
MAXIMUM VOLTAGE
208/230V/3Ph/60Hz
187
253
460V/3Ph/60Hz
414
506
575V/3Ph/60Hz
518
632
Содержание 050
Страница 112: ...JOHNSON CONTROLS 112 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE SENSOR READINGS LD13017 ...
Страница 113: ...JOHNSON CONTROLS 113 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 ECONOMIZER EXHAUST LD13018 ...
Страница 114: ...JOHNSON CONTROLS 114 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE FANS LD13019 ...
Страница 115: ...JOHNSON CONTROLS 115 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 COOLING SETUP LD13020 ...
Страница 116: ...JOHNSON CONTROLS 116 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE COOLING STATUS LD13021 ...
Страница 117: ...JOHNSON CONTROLS 117 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 HEATING SETUP LD13022 ...
Страница 118: ...JOHNSON CONTROLS 118 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE HEATING STATUS LD13023 ...
Страница 119: ...JOHNSON CONTROLS 119 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 SYSTEM OPTIONS LD13024 ...
Страница 120: ...JOHNSON CONTROLS 120 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE OUTPUTS STATUS LD13025 ...
Страница 122: ...JOHNSON CONTROLS 122 FORM 100 50 NOM6 ISSUE DATE 8 07 2017 SECTION 6 USER INTERFACE GRAPHIC LD13027 CLOCK LD13028 ...
Страница 125: ...JOHNSON CONTROLS 125 SECTION 6 USER INTERFACE FORM 100 50 NOM6 ISSUE DATE 8 07 2017 6 ALARMS LD13031 ...