Energie FF Evi 10, Installation And Instruction Manual

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ENERGIE Page | 44
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20.1 Cooling/ Heating circuit
A Compressor H Electromagnetic 2 way valve
B1
Pipe heat exchanger
I
Vapour liquid separator
B2
Plate heat exchanger LP Low pressure switch
C1
Electronic expansion valve HP High pressure switch
C2
Thermostatic expansion valve
SUT
Suction temperature
D
Evaporator ET Exhaust temperature
E
4-way valve CT Coil Temperature
F
Filter
EOT
Plate Evaporator oulet temperature
G
Check valve EIT Plate Evaporator inlet temperature
20.2 Wiring diagrams
AT Ambient temperature IR Relay electronic expand valve
CH
Crankcase heater (Compressor)
KM1
Contactor of compressor
COMP Compressor K2 Relay of heater
CT Coil temperature K3 Relay of water pump
EVIV
Enhanced vapor injection valve
K5
Signal relay for compressor start
EIT Plate Evaporator inlet temperature R1
Relay of 3 way valve (sanitary hot
water)
EOT Plate Evaporator outlet temperature LP Low pressure protection
ET Exhaust temperature HP High pressure protection
E2V Electromagnetic 2 way valve HT Electrical heater
OT
Outlet water temperature
FM
Fan motor
IT Inlet water temperature FS Flow switch
Q Air switch TC Transformer
4V
4 way valve
PH
Pan heater
PM Phase monitor MTS Temperature switch
T1-CH
Room thermostat (voltage free
contact).
T2-DHW
Domestic hot water thermostat
(voltage free contact).
B1-CH
Central heating backup (buffer tank)
B2-DHW
Domestic hot water backup