York VCH-25A Installation Manual page 56

A S1 configuration on A1 board (VCH models)
B Thermostat
C Electronic board [A1]
D Accessories connection
E YKTOOLN2 connection
F RS-485 connection
G Shielded cable, 10 x 0,22 mm
On-site installation. These components are not supplied by the
H
manufacturer
I Cross-section B mm 2 Cu
J Crankcase heater
K Indoor fan motor trip switch
L High and low pressure switch
M Outdoor fan motor trip switch
N 4-way valve
2
Wiring diagrams
Unit wiring diagrams
a Black connector
b Green connector
c White connector
d Yellow connector
e Red connector
B1 Suction probe
B2 Liquid probe
B3 Discharge probe
B4 Outdoor probe
M1 Compressor
M2 Indoor fan
M3 Outdoor fan
FC Phase control
2
2.5
53