Acond Hydromodul Installation Manual - Page 15

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9.1 Circulation pump operation and maintenance

A circulation pump is a component that has possible replacements according to
market availability. The model of the circulation pump is written on its label. If
one of the possible substitutes is used, visit the manufacturer's website to find
the operating instructions for the circulation pump.

9.1.1 Circulation pump Grundfos UPM3 15-70 130

The circulation pump is accessible from the left side through a window. First, hold down the
button (indicated by an arrow) until the LEDs start blinking. Then, to select the desired setting,
press the button (marked with an arrow) until you find the setting you need. If you miss it, you
must continue around until it reappears.
Display

9.1.2 Circulation pump malfunction

In the event of a breakdown, check what mode the pump is in and contact the service.
Display

9.2 Checking the pressure of the heating system

The pressure check is carried out on a pressure gauge (position 4). In the event of a pressure
drop in the heating system, pressure the heating system set by the installer.

9.3 Safety valve check

Turn the safety valve at least once every six months to check its functionality.
Installation manual
Hydromodul
Performance
curve
1
2
3
Low supply voltage
State
Low power
Medium power
High power
Control mode
Blocked pump
Electric fault
Max. height of
the building
5m
6m
7m
14