AERMEC HMG - Page 58

58
NAME DESCRIPTION
Power Power
PE Ground line
AP1 Main board
AP2 Wave lter board 1
AP3 Wave lter board 2
AP4 COMP1 control board
AP5 COMP2 control board
AP6 Control board of M1
AP7 Control board of M2
COMP1 Inverter compressor 1
COMP2 Inverter compressor 2
EH1 COMP1 crankcase heater 1
EH2 COMP1 crankcase heater 2
EH3 COMP2 crankcase heater 1
EH4 COMP2 crankcase heater 2
EH5 Lower crankcase heater 1
EH6 Lower crankcase heater 2
EKV1 Electronic expansion valve 1
EKV2 Electronic expansion valve 2
HL1 Operation indication
HL2 Error indication
HP1 System high pressure switch 1
HP2 System high pressure switch 2
K External contact switch
KM1 Water pump contact 1 (220V
~
)
KM2 Water pump contact 2 (220V
~
)
KM3
Auxiliary electrical resistance
contact 1 (220V
~
)
KM4
Auxiliary electric heater contact
2 (220V
~
)
L
Reattore elettrico (L1, L2, L3,
L4)
LP11
Heating system 1 low pressure
switch
LP12
System 1 cooling low pressure
switch
LP21
Heating system 2 low pressure
switch
LP22
Cooling system 2 low pressure
switch
NAME DESCRIPTION
M1 Fan motor 1
M2 Fan motor 2
PM Phase monitor
RT1 Temp sensor outgoing water
RT2 Temp sensor antifreeze
RT3 Temp sensor system defrost 1
RT4 Temp sensor system drain 1
RT5 Inlet water temperature sensor
RT7 Temp sensor system defrost 2
RT8 Temp sensor system drain 2
RT9
Temp sensor system 1 tube
bundle refrigerant inlet
RT10
Temp sensor system 2 tube
bundle refrigerant inlet
RT11 Temp sensor system suction 1
RT12 Temp sensor system suction 2
RT13
Temp sensor external
environment
RT14
Temp sensor system 1 tube
bundle refrigerant outlet
RT15
Temp sensor system 2 tube
bundle refrigerant outlet
SP1 System high pressure switch 1
SP2 System high pressure switch 2
SW Water switch
XT1 Wiring board (L1, L2, L3, N)
XT2 Wiring board (1
~
10)
XT3 Wiring board (2
~
19)
XT4 Wiring board (1, 2)
YV1 4-way valve 1
YV2 4-way valve 2
YV3 Solenoid valve 1
YV4 Solenoid valve 2