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FORM 150.75-NM2
11
YORK INTERNATIONAL
NOTES:
1. Minimum Circuit Ampacity (MCA) is based on 125% of the rated load amps for the largest motor plus 100% of the rated load amps for all
other loads included in the circuit, per N.E.C. Article 430-24. If Factory Mounted Control Transformer is provided, add the following to the
system MCA values in the Tables: -17, add 10 amps; -28, add 9 amps; -40, add 6 amps; -46, add 5 amps; -58, add 4 amps.
2. Minimum fuse size is based on 150% of the rated load amps for the; largest motor plus 100% of the rated load amps for all other loads
included in the circuit, per U.L. Standard 1995, Section 1995, Section 36.1. It is not recommended in all applications where brown outs,
frequent starting and stopping of the unit and/or operation at ambient temperatures in excess of 95°F is anticipated.
3. Maximum fuse size is based on 225% of the rated load amps for the largest motor plus 100% of the rated load amps for all other loads
included in the circuit, per N.E.C. Article 440-12A1.
4. The recommended disconnect switch is based on 115% of the rated load amps for all the loads included in the circuit, per U.L. 1995, Fig. 36.2.
5. HACR-Type circuit breakers are UL-listed circuit breakers that have been found suitable for use with heating, air conditioning and refrigeration
equipment comprising multimotor or combination loads and are marked “Listed HACR-Type”, refer to N.E.C. Article 440-21. Maximum HACR
circuit breaker rating is based on 225% of the rated load amps for the largest motor plus 100% of the rated load amps for all other loads
included in the circuit, per UL 1995, Fig. 36.2. Canadian and international models may not require HACR-Type circuit breakers.
6. The “INCOMING WIRE RANGE” is the minimum and maximum wire size that can be accommodated by unit wiring lugs. The (1), (2), (3)
or (4) preceding the wire range indicates the number of termination points available per phase of the wire range specified. The (1-2), (1-
3), or (1-4) preceding the wire range indicates that a single multi-termination lug is available per phase that can accept from two (1-2) to
four (1-4) wires of the wire range specified. “(1) #1-600MCM or (2) #1-250MCM” indicates that a single lug is supplied and it will accept a
single wire up to 600MCM or 2 wires up to 250MCM. Actual wire size and number of wires per phase must be determined based on
ampacity and job requirements using N.E.C. wire sizing information. The above recommendations are based on the National Electric
Code and using copper connectors only. Field wiring must also comply with local codes.
7. A ground lug is provided for each compressor system to accommodate field grounding conductor per N.E.C. Article 250-54. A control
circuit grounding lug is also supplied. Incoming ground wire range is #6 - #2/0.
8. The supplied disconnect is a “Disconnection Means” as defined in N.E.C. Article 100.B, and is intended for isolating the unit from the
available power supply to perform maintenance and troubleshooting. This disconnect is not intended to be a Load Break Device.
9. All unit compressors have a part winding electrical configuration such that the indicated Locked Rotor Amps are Part Wind Locked Rotor Amps.
VOLTAGE CODE
17 = 200-3-60 Hz
28 = 230-3-60 Hz
40 = 380-3-60 Hz
46 = 460-3-60 Hz
50 = 380/415-3-50 Hz
58 = 575-3-60 Hz
64 = 346-3-50 Hz
LEGEND:
VOLT
= Voltage
MCA = Minimum Circuit Ampacity
DISC = Disconnect
N/A = Not Available
CPR-RLA = Compressor Running Load Amps
CRP-LRA = Compressor Part Winding Inrush Amps
FLA = Full Load Amps
CKT BRK = Circuit Breaker
HACR = Heating, Air Conditioning and Refrigeration
CONTROL POWER SUPPLY
UNIT CONTROL MIN CIRCUIT MAX DUAL NON-FUSED
VOLTAGE POWER SUPPLY AMPACITY ELEMENT FUSE SIZE DISC. SW. SIZE
Std. Models w/o Transformers 115-1-50/60 20A 20A, 250V 30A, 240V
SYSTEM 1 OR 3 SYSTEM 2 OR 4
LOAD RATINGS LOAD RATINGS
MODEL VOLTAGE
CPR CPR
FAN
CPR CPR
FAN
YDA CODE
LRA 9 RLA
RLA
LRA 9 RLA
RLA
EA EA
J87HU7 -50 585 170 5.9 585 150 5.9
J87HU7 -64 668 187 5.8 668 165 5.8
J87KU6 -17 1322 403 10 1322 352 10
J87KU6 -28 1150 350 12 1150 306 12
J87KU6 -40 696 212 5.2 696 185 5.2
J87KU6 -46 575 175 5 575 153 5
J97KU7 -50 760 195 5.9 585 150 5.9
J87KU6 -58 460 140 4.9 460 122 4.9
J97KU7 -64 917 214 5.8 668 165 5.8
J88MU6 -17 1322 403 10 1322 403 10
J88MU6 -28 1150 350 12 1150 350 12
J88MU6 -40 696 212 5.2 696 212 5.2
J88MU6 -46 575 175 5 575 175 5
J98MU7 -50 760 198 5.9 585 170 5.9
J88MU6 -58 460 140 4.9 460 140 4.9
J98MU7 -64 917 217 5.8 668 187 5.8
J99MU7 -50 760 198 5.9 760 198 5.9
J99MU7 -64 917 217 5.8 917 217 5.8
J99MW6 -40 997 254 5.2 997 254 12
J99MW6 -46 830 210 5 830 210 5.2
J99MW6 -58 664 168 4.9 664 168 4.9
J99MW9 -50 760 198 9.7 760 198 9.7
J99MW9 -64 917 217 9.2 917 217 9.2