Technical information

A Keyboard-display terminal FSC1, FSC2 Circuit 1 and 2 fan speed controllers
B Terminal connection F10 (FSC1, FSC2) Fuses of the fan speed controllers
C Programmable key connection HP1, HP2 High-pressure switches, circuits 1 and 2
D Control module
KM1, KM2, KM3,
KM4
Compressor contactors
E Identification of the connectors and their terminals KM5, KM6 Pump contactors
F Control box KM8 Back-up heater contactor
G Distribution of motors and valves LP1, LP2 Low-pressure switches, circuits 1 and 2
L phase M1, M2, M3, M4 Compressor motors
N Neutral M5, M6 Pump motors
B3, B4 Coil pressure sensors, circuits 1 and 2 M7, M8, M9, M10 Fan motors
B5 Water inlet temperature sensor (NTC) µC
3
Microchiller controller 3
B6 Water outlet temperature sensor (NTC) Q2 Main switch
C1, C2, C3, C4 Fan condensers Q3 Main switch
EH Evaporating unit antifreeze heater R1, R2, R3, R4 Compressor sum heaters
F1, F2, F3, F4 Compressor circuit breakers RCH Remote cool / heat
F5, F6 M5 and M6 pump circuit breakers ROO Remote on / off
F7, F8 Circuit 1 and 2 fan circuit breakers RV1, RV2 4-way valves, circuits 1 and 2
F9 Operating circuit breakers TH Tank antifreeze heater
F10 Controller µc circuit breaker
3
TK1, TK2, TK3,
TK4
Fan heat protectors
FC Phase control (compressor rotational direction) T1 230 / 24, 80 VA transformer
FS Water flow switch
Technical Information 1
Wiring diagrams 1.14
131