Viessmann Vitocal 222-A, Инструкция по установке и обслуживанию

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42
Swimming pool heating
Note
■ Swimming pool heating is controlled via EA1 exten-
sion with KM-BUS.
■ Make connections to EA1 extension only in accord-
ance with Fig. 34.
■ A filter circuit pump cannot be controlled via the heat
pump control unit.
A
[{S
DE
[{{] 0-10V f-]
A
[{A
DE
[{D
DE
+ - 5 6 3 4 1 2 1 2
B
L1 N
H
L1 N
M
1~
C
D
F G
E
K
Fig. 34
A
EA1 extension
B
Power supply 1/N/PE 230 V/50 Hz
C
Junction box (on site)
D
Fuses and contactor for circulation pump for swim-
ming pool heating (accessories)
E
Jumper
F
3-way diverter valve for "swimming pool" (zero
volt: Charging the heating water buffer cylinder)
G
Circulation pump for swimming pool heating
(accessories)
H
Temperature controller for regulating swimming
pool temperature (floating contact: 230 V~, 0.1 A,
accessories)
K
KM-BUS connection to the controller and sensor
PCB
Installation sequence
Electrical connection
(cont.)
5831412
Installation