Model Field Supplied Wiring | York YCAS0230 specs

ELECTRICAL DATA (Continued)

OPTIONAL SINGLE POINT POWER SUPPLY CONNECTION TO FACTORY CIRCUIT BREAKER

(One Field Provided Power Supply Circuit to the chiller. Field Connection to Circuit Breaker in ‘Option Panel’.

No internal Branch Circuit Protection per Motor Control Center.)

MODEL			FIELD SUPPLIED WIRING			SYSTEM #1			SYSTEM #2
	VOLTS		FACTORY SUPPLIED BREAKER		COMPRESSOR		FANS	COMPRESSOR		FANS
YCAS		MCA1
			RATING2	WIRE RANGE7 (LUGS)	RLA	X-LRA	FLA (EA)	RLA	X-LRA	FLA (EA)

0130EC	460	273	400	(2) 3/0-250	107	579	4.0	107	579	4.0
	575	217	250	# 6 AWG - 350	86	463	3.1	86	463	3.1

0140EC	460	293	400	(2) 3/0-250	116	579	4.0	116	579	4.0
	575	234	400	(2) 3/0-250	93	463	3.1	93	463	3.1

0150EC	460	307	400	(2) 3/0-250	128	856	4.0	115	579	4.0
	575	246	400	(2) 3/0-250	103	715	3.1	92	463	3.1

0160EC	460	320	400	(2) 3/0-250	128	856	4.0	128	856	4.0
	575	257	400	(2) 3/0-250	103	715	3.1	103	715	3.1

0170EC	460	335	400	(2) 3/0-250	140	856	4.0	128	856	4.0
	575	268	400	(2) 3/0-250	112	715	3.1	103	715	3.1

0180EC	460	347	400	(2) 3/0-250	140	856	4.0	140	856	4.0
	575	277	400	(2) 3/0-250	112	715	3.1	112	715	3.1

0200EC	460	375	630	(3) 2/0-400	149	856	4.0	149	856	4.0
	575	299	400	(2) 3/0-250	119	715	3.1	119	715	3.1

0210EC	460	393	630	(3) 2/0-400	163	856	4.0	149	856	4.0
	575	313	400	(2) 3/0-250	130	715	3.1	119	715	3.1

0230EC	460	407	630	(3) 2/0-400	163	856	4.0	163	856	4.0
	575	324	400	(2) 3/0-250	130	715	3.1	130	715	3.1

NOTE: Wye-Delta Compressor Start not available with this option.

NOTES (pages 2 - 7)

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 a Factory Mounted Control Transformer is provided, add the following to the system #2 MCA values in the YCAS Tables: -17, add 10 amps; -28, add 9 amps; -40, add 5 amps; -46, add 4 amps; -58, add 3 amps.

2.The recommendation disconnect switch is based on a minimum of 115% of the summation rated load amps of all the loads included in the circuit, per N.E.C. 440 - 12A1.

3.Minimum fuse size is based on 150% of the largest motor RLA plus 100% of the remaining RLAs (U.L. Standard 1995, Section 36.1). Minimum fuse rating = (1.5 x largest compressor RLA) + other compressor RLAs + (# fans x each fan motor FLA).

4.Maximum dual element fuse size is based on 225% maximum plus 100% of the rated load amps for all other loads included in the circuit, per N.E.C. 440-22. Maximum fuse rating = (2.25 x largest compressor RLA) + other compressor RLAs + (# fans x each fan motor FLA).

5.Minimum circuit breaker is 150% maximum plus 100% of rated load amps included in the circuit, per circuit per U.L. 1995 Fig. 36.2. Minimum circuit breaker rating = (1.5 x largest compressor RLA) + other compressor RLAs + (# fans x each fan motor FLA).

6.Maximum circuit breaker is based on 225% maximum plus 100% of the rated load amps for all loads included in the circuit, per circuit, per U.L. 1995 Fig. 36.2. Maximum circuit breaker rating = (2.25 x largest compressor RLA) + other compressor RLAs + ( # fans x each fan motor FLA).

7.The Incoming Wire Range is the minimum and maximum wire size that can be accommodated by unit wiring lugs. The (1), (2), or (3) indicate the number of termination points or lugs which are available per phase. 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.

8.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 - 350 MCM.

9.The field supplied disconnect is a “Disconnecting Means” as defined in N.E.C. 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.

10.Units equipped with Star-Delta compressor motor start must also include Factory provided circuit breakers in each motor control center.

11.The wiring recommendations are based on the National Electrical Code using copper connectors only. Field wiring must also comply with local codes.

8	YORK INTERNATIONAL

YCAS0230 specifications

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ELECTRICAL DATA (Continued)

MODEL

FIELD SUPPLIED WIRING

YCAS0230 specifications