General Diagram - York YLCA Technical Information

General diagram

General diagram YLCA 5 ÷ 15
F
A Four-way valve
B Pump
C Heater
D Compressor 1
E Alarm
F 230 / 24 transformer
G Fan speed control
H Communication
I Programmable key
J Outdoor probe standard units
B1 Water inlet temperature probe (Control set point)
(*1): When the low ambient kit (LAK) is fitted, set the B4 probe as a pressure transducer and the B3
probe as an outdoor temperature NTC probe.
A B C D
J
*1
G
Water outlet temperature probe (Antifreeze pro‐
B2
tection)
Outdoor temperature probe in units with LAK
B3
Battery probe in standard units (fan and defrost
control)
B4 Outdoor probe standard units (Dynamic Set point)
ID1 Water flow switch
ID2 Remote COOL / HEAT
ID3 High pressure switch
ID4 Low pressure switch
ID5 Remote ON / OFF
N Neutral
L Phase
Technical Information
Operating instructions 1.13
E
I
H
1
49