York VCH-25A Installation Manual page 42

Wiring diagrams
1
L1 L2
A
2
F
X2
G
1. Power connection
2. Thermostat connection
A. Main power supply (400V / 3 / 50 + N)
B. Outdoor unit
C. Contactor
D. Indoor fan motor (star connection)
E. Outdoor unit terminal strip (VCH 20A to 90A)
F. DPC-1 thermostat
G. 10-pin shielded communications cable x 0.22 mm
Instructions for installation and connection of the unit 1.10
B
N
L3
E
O/B
Y2
X1 AL W O/B
Installation manual
2 4
U1 V1
Y1 G X1 B
Y2 Y1 G B
2
1
C
6
W1
D
R
R
39