44
Clamps
Function
Explanation
301XD3
1: 24 VDC
2: 0 VDC
Stem heater, 3-way mixer, low
temperature maintenance/frost
protection
Connection values:
■
Voltage: 24 VDC
■
Max. switching current: 5 A
310XD1
1: External conductor
N: Neutral conductor
PE: Earth conductor
Freshwater module load
Circuit protection from load fuse 104FC7 (ob-
serve the total current of max. 13 A)
Connection values:
■
Voltage: 230 V~
380XD3
1: Start command EB
2: Start command EB
Air/brine heat exchanger control
signals
Floating N/O contact:
Closed: Demand, air/brine heat exchanger
Open:
No demand
Connection values:
■
Max. voltage: 250 V~
■
Max. switching current: 5 A (AC1)
(connection air/brine heat exchanger
terminal 1, 2)
380XD4
1: Set value 0-10 V
2: GND
PE: Shield connection
Air/brine heat exchanger control
signals
Signal 0 to 10 V
Connection air/brine heat exchanger terminal
X_CTRL
3: GND
4: Set value 0-10 V
380XD5
1: Operating message
COM
2: Operating message NO
Air/brine heat exchanger control
signals
Closed: Operation, air/brine heat exchanger
Connection air/brine heat exchanger terminal
X_CTRL
1: COM
2: NO
380XD7
1: Brine sensor COM
2: Brine sensor NO
Brine sensor drip pan air/brine
heat exchanger
Potential 24 VDC from heat pump
Open: Fault
Insert jumper if not installed.
433XD1
1: Valve open
2: Valve closed
3: 24 VDC
4: 0 VDC
PE: Earth conductor
2-way motorised damper, heat ex-
changer defrosting, residual heat,
water
Connection values:
■
Voltage: 24 VDC
■
Max. switching current: 5 A
430XD1
1: Valve open
2: Valve closed
3: 24 VDC
4: 0 VDC
PE: Earth conductor
2-way motorised damper, heating
water buffer cylinder outlet
Connection values:
■
Voltage: 24 VDC
■
Max. switching current: 5 A
431XD1
1: Valve open
2: Valve closed
3: 24 VDC
4: 0 VDC
PE: Earth conductor
2-way motorised damper, primary
circuit
Connection values:
■
Voltage: 24 VDC
■
Max. switching current: 5 A
432XD1
1: Valve open
2: Valve closed
3: 24 VDC
4: 0 VDC
PE: Earth conductor
2-way motorised damper, primary
circuit cooling
Connection values:
■
Voltage: 24 VDC
■
Max. switching current: 5 A
Installation procedure, heat pump
Electrical connections
(cont.)
5837251
Installation
