32
Swimming pool heating
Note
■
Swimming pool heating is controlled via the
EA1 extension with KM BUS.
■
With heat pump cascades, install the swimming pool
flow temperature sensor downstream of the 3-way
diverter valve for "swimming pool" and connect it to
terminal F21 on the controller and sensor PCB of the
lead heat pump.
■
Make connections to EA1 extension
only
in accord-
ance with the following diagram.
■
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. 24
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: heating the heating water buffer cylinder)
G
Circulation pump for swimming pool heating
(accessories)
H
Temperature controller for swimming pool temper-
ature control (floating contact: 230 V~, 0.1 A,
accessories)
K
Connection to controller and sensor PCB
Installation sequence
Electrical connection
(cont.)
5700 542 GB
Installation
