Fig. 18 - Multiple Point Power Supply Connection With Individual System Circuit Breakers - York YCAS Installation Operation & Maintenance

MULTIPLE POINT POWER SUPPLY CONNECTION
WITH OPTIONAL INDIVIDUAL SYSTEM CIRCUIT
BREAKERS
Two 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. Factory
connections to each of the Circuit Breakers in each of the
two power panels.
CB
1
CB
3
See page 54 for notes.
FIG. 18 – MULTIPLE POINT POWER SUPPLY CONNECTION WITH INDIVIDUAL SYSTEM
CIRCUIT BREAK ERS
Field Provided Power Supply
Chiller
Model
YCAS
Volts MRA
1
Min NF
(MCA) Disc SW 2, 9 Min.
0693 380 189 200
0773 380 189 200
0783 380 173 175
0873 380 228 250
0953 380 247 250
1063 380 413 600
1093 380 436 600
1163 380 457 600
1263 380 494 600
YORK INTERNATIONAL
ELECTRICAL DATA
CB
2
CB
4
ELECTRICAL SYSTEM #2 FIELD SUPPLIED WIRING
Factory Provided (Lugs)
Wire Range
Over-current
Protection
13
*Standard
3, 5 Max. 4, 6 Terminal block
200 300 #2-4/0
200 300 #2-4/0
175 250 #2-4/0
250 350 1/0-300
250 400 1/0-300
450 500 (2) 1/0-300
450 500 (2) 1/0-300
500 500 (2) 1/0-300
500 600 (2) 1/0-300
Suitable for:
Y - ∆ Start and Across the Line Start
CE Mark
Suitable for:
Y - D Start and
Across the Line Start
CE Mark
Control Power Wiring as shown on
the 2-Compressor Di a grams
TB
or
Field Supply #2
DS
TB
or Field Supply #1
DS
LD05559
NOTE 2
Compressor #2
*Optional NF
RLA Y-∆ LRA X-LRA RLA Y-∆ LRA X-LRA Qty FLA (ea) LRA (ea)
Disc. Switch
# 4-300 140 283 907
# 4-300 140 283 907
# 4-300 124 283 907
# 6-350 168 283 907
# 6-350 183 283 907
(2) 250-500 161 283 907
(2) 250-500 183 283 907
(2) 250-500 168 283 907
(2) 250-500 183 283 907
FORM 201.19-NM6 (804)
Fan 11, 12
Com pres sor #4
Data
— — — 3 4.4
— — — 3 4.4
— — — 4 4.4
— — — 4 4.4
— — — 4 4.4
140 283 907 8 4.4
140 283 907 7 4.4
168 283 907 8 4.4
183 283 907 8 4.4
7
17.1
17.1
17.1
17.1
17.1
17.1
17.1
17.1
17.1
51