Operating instructions

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730.138 | 08.12

System 14: 1 collector array – 1 storage tank –

1 swimming pool in stand-alone operation

with external heat exchanger –

intelligent valve control

Description of the solar function: When the switch-on temperature

difference between the collector array A1 (T1) and the storage tank B1

(T2) or the swimming pool C1 (T3) is reached, the solar circuit pump R1

is switched on and the switching valve R2 is set to the correct position

depending on the storage tank / swimming pool to be loaded. Either

storage tank B1 or the swimming pool C1 is loaded, according to the

priority control (chapter 7.5 "Storage tank priority"), until either the rel-

evant switch-off temperature difference between the collector array A1

(T1) and the storage tank B1 (T2) or swimming pool C1 (T3) is reached,

or a safety limit is reached. The swimming pool pump is controlled exter-

nally.

NOTE

When no voltage is on the system, the switching valve R2 must be set

to storage tank B1.

Loading strategy of solar circuit pump R1 for storage tank:

In the

factory, temperature differential control is chosen as the loading strat-

egy for the storage tank B1. It can be adjusted or changed to target

temperature control using the "Parameters" menu (chapter 7.4 "Param-

eters").

Loading strategy of solar circuit pump R1 for swimming pool:

the factory, the loading strategy for the swimming pool C1 is set to

temperature differential control. This cannot be altered.

Activating the system: see chapter 7.2. "Selecting a system".

Terminal layout

N L N

n.c.

230 V~

115 V~

n.c.



Display: 2.2.3Display: 2.2.3

A1: collector array

B1: storage tank

C1: swimming pool

D1: wire bridge

F1: external heat exchanger

R1: solar circuit pump

R2: switching valve

T1: collector sensor

T2: lower area of storage tank

T3: sensor swimming pool