Building Control System; D Technical Data - Vaillant VR 640 Installation Instructions Manual

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C.3 Building control system
1
2
0.0...10 V DC
3
4
1
Additional module
2
eBUS connection to the heat pump's
control (terminal 42)
3
Heat pump's control
4
Target value via building control sys-
tem (0 to 10 V DC)

D Technical data

Rated voltage
Mains frequency
Power consumption
Fuse
Measuring circuit voltage
IP rating
Protection class
Max. eBUS load capacity (constant current) 70 mA
Output switching power (relay)
Input target value
Environmental temperature during opera-
tion
Storage environmental temperature
Relative air humidity
Height
Width
Depth
12
5
6
5
6
7
230 V AC (± 10%)
50 Hz
≤ 12 V⋅A
3.15 A
12 V, double insulated 4 kV
IP 40
II
~230 V AC 6(2) A, 50 Hz
0 to 10 V DC = 0 °C to 100 °C, not potential-
free, max. current 10 mA
0 to 50 ℃
−20 to 60 ℃
≤ 85 %
160 mm
300 mm
55 mm
Switching between heating and cool-
ing
Release contact jumper: Heating cir-
cuit 1
Additional module power supply
Installation instructions 0020329584_00
7

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