AIT HSDV 12.1M3, Operating Manual

Page: 17 / 44

17
Subject to technical amendments without prior notice | 83059300iUK | ait-deutschland GmbH
11 Overflow valve
2
1
1 O verflow valve
2 Adjusting knob

Operating manual of the heat pump
12 Volumetric flow meter /
heat meter
(only with HSDV variants)
The volumetric flow meter / heat meter ( ① ) integrat-
ed in HSDV units is used to measure the heat quan-
tity generated by the heating system and made avail-
able for domestic hot water preparation and building
heating.
1
The volumetric flow meter / heat meter measures flow
and temperature difference in the charging circuit.
The measuring ranges are set in the heating and heat
pump controller. Measured values can be read out on
the control panel display.

Operating manual of of the heating and heat
pump controller
13 Commissioning

Water supply to the domestic hot water tank is
open

Domestic hot water tank is filled
NOTE
If the heat pump is switched on whilst the tank
is empty, the control panel indicates a fault.

O
perating manual of the heating and heat pump
controller

Operating manual of the heat pump