10
Electrical connections
10.1
Calibra Cool electrical connections 400V (this label is also fitted on the electrical cabinet of the heat pump)
408
409
132
71
346
310
174
173
EVU/Smart grid 1
Smart grid 2
Start signal
cooling (optional)
Room sensor
(PT1000 Type)
50
Outdoor sensor
D21
D22
D23
Reversing valve
Radiator circuit
M
POT FREE RELAY (Max 5A)
Accessory/Expansion module
(room sensor, modbus type)
(+24V for Room sensor modbus only)
BMS/Building
Management system
347
411
310
Cooling mode
(output signal)
N
L
Y
BMS
MBe
GND
D-
D+
GND
D-
D+
Accessory
MBa
+24V
N
L1
TR9
TR8
DIGIT
AL IN
TAP
W
A
TER
PE
Flow guard
(std WW models)
T31
T35
R1
D24
From borehole
Passive cooling
Heat exchanger
Hot Water
Supply line
Borehole return line
Return line
Heat pump refrigerant circuit
(BW models)
(BW models)
(WW models)
(Space heating or cooling)
Cooling mode
Cooling mode
Heating mode
Heating mode
Internal flow chart, for service purposes
(WW models)
404
412
413
71
77
405
308
313
434
431
416
421
433
302
375
301
Brine in sensor cooling mode
404
375
Brine valve
71
Flow guard
77
Reversing valve hot water
301
Compressor
302
Brine pump
308
Condenser pump
310
Reversing valve
313
Electronic expansion valve
416
Discharge pipe sensor
421
Suction gas sensor
431
Liquid line sensor
434
High pressure transmitter
433
Low pressure transmitter
Brine in sensor
413
412
Brine out sensor
Radiator return sensor
411
405
Radiator out sensor
310
VRG133
VRG233
Installation connections
Evaporator
Condenser
Installation Guide
Calibra Cool
Thermia AB
BWCC01IG0102
39
Содержание Calibra Cool
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