Electrical Data; Fig. 19 - Optional Single-Point Power Supply Connection With Individual System Circuit Breakers - York YCAS Installation Operation & Maintenance

Technical Data Technical Data
OPTIONAL SINGLE POINT POWER SUPPLY
CONNECTION AND INDIVIDUAL SYSTEM CIRCUIT
BREAKERS
CB
1
CB
3
See notes below.
FIG. 19 – OPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION WITH INDIVIDUAL
SYSTEM CIR CUIT BREAK ERS
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.
OPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION WITH INDIVIDUAL SYSTEM
CIRCUIT BREAKERS – 3 & 4 COMPRESSOR UNITS (SEE FIG. 19)
(One Field Provided Power Supply Circuit to the chiller. Field connections to Power Terminal Block (standard) or Non-Fused Disconnect (option)
Chiller
Field Provided Power Supply
Volts MRA
1
Min NF
YCAS
(MCA) Disc SW 2
0693 380 551 600
0773 380 625 800
0783 380 575 600
0873 380 685 800
0953 380 741 800
1063 380 826 1000
1093 380 872 1000
1163 380 914 1000
1263 380 989 1000
See page 54 for Electrical Data footnotes.
52

ELECTRICAL DATA

CB
2
CB
4
in 'Option Panel'. Individual System Circuit Breakers in each Motor Control Center.)
Model
Over-Current Protection
13
Min. 3, 5 Max. 4, 6
600 600
700 700
600 600
700 700
800 800
800 800
1000 1000
1000 1000
1000 1000
Suitable for:
Y - ∆ Start and
Across-The-Line-Start
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 - D Start and
Across the Line Start
TB
or
Field Supply
DS
LD05554
FIELD SUPPLIED WIRING
Factory Provided (Lugs) Wire Range
Terminal Block
(Lugs) Wire Range
(2)2/0-500
(2)2/0-500
(2)2/0-500
(3)1/0-300
(3)1/0-300
(3)2/0-500
(3)2/0-500
(3)2/0-500
(3)2/0-500
FORM 201.19-NM6 (804)
See Note 3
See Note 3 on
page 54.
7
NF Disc. Switch
(Lugs) Wire Range
(2)250-500
(3)2/0-400
(2)250-500
(3)2/0-400
(3)2/0-400
(4)4/0-500
(4)4/0-500
(4)4/0-500
(4)4/0-500
YORK INTERNATIONAL