YORK INTERNATIONAL
10
FORM 201.19-W4 (1104)
ELECTRICAL DATA (CONT'D)
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
connections 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
OPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION WITH INDIVIDUAL SYSTEM
CIRCUIT BREAKERS – 3 & 4 COMPRESSOR UNITS
(One Field Provided Power Supply Circuit to the chiller. Field connections to Power Terminal Block (standard) or Non-Fused Disconnect (option)
in ‘Option Panel’. Individual System Circuit Breakers in each Motor Control Center.)
See page 6 for Electrical Data footnotes.
FIELD SUPPLIED WIRING
Chiller
Field Provided Power Supply Factory Provided (Lugs) Wire Range
7
Model
YCAS Volts MRA
1
Min NF Over-Current Protection
13
Terminal Block NF Disc. Switch
(MCA) Disc SW
2
Min.
3, 5
Max.
4, 6
(Lugs) Wire Range (Lugs) Wire Range
0693 380 551 600 600 600 (2)2/0-500 (2)250-500
0773 380 625 800 700 700 (2)2/0-500 (3)2/0-400
0783 380 575 600 600 600 (2)2/0-500 (2)250-500
0873 380 685 800 700 700 (3)1/0-300 (3)2/0-400
0953 380 741 800 800 800 (3)1/0-300 (3)2/0-400
1063 380 826 1000 800 800 (3)2/0-500 (4)4/0-500
1093 380 872 1000 1000 1000 (3)2/0-500 (4)4/0-500
1163 380 914 1000 1000 1000 (3)2/0-500 (4)4/0-500
1263 380 989 1000 1000 1000 (3)2/0-500 (4)4/0-500
FIG. 3 –
OPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION WITH INDIVIDUAL
SYSTEM CIR CUIT BREAK ERS
LD05557
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
Field Supply
Suitable for:
Y - D Start and
Across the Line Start
See Note 3
See Note 3 on
page 6.
