52
YORK INTERNATIONAL
FORM 201.19-NM8 (804)
Technical DataTechnical Data
ELECTRICAL DATA
OPTIONAL SINGLE POINT POWER SUPPLY
CONNECTION AND INDIVIDUAL SYSTEM CIRCUIT
BREAKERS
One fi eld provided power sup ply cir cuits to the unit with
in di vid u al branch cir cuit protection. Field Power Wiring con-
nections to fac to ry provided, Non-Fused Dis con nect Switches
(Opt), or Ter mi nal Blocks (Opt) in the Option Box.
Suitable for:
Y - ∆ Start and
Across-The-Line-Start
See page 54 for Electrical Data footnotes.
FIG. 19 – OPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION WITH INDIVIDUAL
SYSTEM CIR CUIT BREAK ERS
LD05554
NOTES:
1. – – – – – – – Dashed Line indicates Field Provided Wiring.
2. The above recommendations are based on the National Electrical Code and using copper conductors only.
Field wiring must also comply with local codes.
See notes below.
CB
3
CB
4
CB
1
CB
2
TB
or
DS
ield Supply
Suitable for:
Y - D Start and
Across the Line Start
See Note 3
See Note 3 on
page 54.
OPTIONAL SINGLE POINT POWER SUPPLY CONNECTION
WITH INDIVIDUAL SYSTEM CIRCUIT BREAKERS – 3 AND 4 COMPRESSOR UNITS (SEE FIG. 19)
One Field Provided Power Supply Circuit to the chiller. Field connections to Factory Provided Terminal Block (standard) or Non-Fused Disconnect (option)
in the Options Panel. Individual System Circuit Breakers in each Motor Control Center.
CHILLER
FIELD-SUPPLIED WIRING
MODEL
FIELD PROVIDED POWER SUPPLY FACTORY PROVIDED (LUGS) WIRE RANGE
7
YCAS
MIN NF OVER-CURRENT PROTECTION
STANDARD OPTIONAL NF
MRA
1
DISC SW
2,9
MIN.
3, 5
MAX.
4, 6
TERMINAL BLOCK DISC. SWITCH
0685EB 482 600 600 600 (2) 2/0 - 500 (2) 250 - 500
0775EB 517 600 600 600 (2) 2/0 - 500 (2) 250 - 500
0835EB 560 600 700 700 (2) 2/0 - 500 (2) 250 - 500
0905EB 637 800 700 700 (3) 1/0 - 300 (3) 2/0 - 400
0965EB 625 800 800 800 (3) 1/0 - 300 (3) 2/0 - 400
1065EB 669 800 700 700 (3) 2/0 - 500 (3) 2/0 - 400
1135EB 745 800 800 800 (3) 2/0 - 500 (4) 4/0 - 500
1215EB 822 1000 1000 1000 (3) 2/0 - 500 (4) 4/0 - 500
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