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Carel mchiller compact - Wiring connection; Connector

Carel mchiller compact
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41
7. Schema di collegamento 7. Wiring connection
No2 No3 No4 C3/4 No5
No1 C1/2 C1/2 C3/4 C5
line
line
line
valve
pump
heater
comp.
To Program Key
To Serial
Line
G GND GND Y GND ID4 ID2
G0 B1 B2 B3 ID5 ID3 ID1
Power
Supply
MCHRTF**
fan
control
low pressure
multi function
multi function
high pressure
outlet probe
cond. probe
inlet probe
x
x
remote on/off
To Remote
Ter m inal
MCHSMLSER0
MCHSMLKEY0
Compensation probe
MCHSMLEXP0
Connettore Significato/Meaning
Connector
B1-GND Sonda aria ambiente (unità aria-aria), sonda acqua ingresso evaporatore (refrigeratori d’acqua)
Ambient air temperature probe (air-air units), evaporator inlet water temperature probe (air-water chiller)
B2- GND Sonda controllo resistenze di appoggio (unità aria-aria), sonda acqua uscita evaporatore (antigelo)
Supporting heater control probe (air-air units), evaporator outlet water temperature probe (antifreeze)
B3- GND Sonda controllo condensazione
Condensation control probe
ID1-GND Ingresso multifunzione (flussostato, termico, estate/inverno, fine sbrinamento)
Multifunction Input (flow detector, overload, cooling/heating, defrost end)
ID2-GND Ingresso multifunzione (flussostato, termico, estate/inverno, fine sbrinamento)
Multifunction Input (flow detector, overload, cooling/heating, defrost end)
ID3-GND Pressostato di alta pressione/High pressure
ID4-GND Pressostato di bassa pressione/Low pressure
ID5-GND ON/OFF da contatto esterno/Remote ON/OFF
Y- GND Uscita analogica PWM per ventilatore di condensazione
PWM analog output for condensation-removal fan
No1-C1/2 Compressore/Compressor
No2-C1/2 Resistenza appoggio/riscaldamento/Supporting resistance/heater
No3-C3/4 Ventilatore aria di mandata (unità aria-aria), pompa acqua utenza (nei refrigeratori d’acqua)
Inlet air fan (air-air units), water pump (water chiller)
No4-C3/4 Valvola inversione ciclo, o secondo compressore/Cycle inversion valve, or second compressor
No5-C5 Segnalazione remota di allarme generico/General alarm remote signal

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