Alpha-InnoTec HMD 1, Operating Manual

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We reserve the right to modify technical specifications without prior notice.
83053600bUK – Translation of the operating manual
© Alpha-InnoTec GmbH
dismantle the motor of the 3-way valve for the
domestic water heating (accessories). To do so,
remove the U-bolt on the motor base and carefully
pull off the motor from above....
Turn stem through 180° and flush domestic hot
water circuit for approx. 1 minute…
Turn stem through 180° back to starting position
(rounded side of stem points to b)…
flush heating circuit! If necessary, the heating and
domestic hot water circuit can be flushed at the
same time! To do so, turn stem through 30°…
After completing the flushing and filling procedure,
move stem to the starting position and mount the
motor of the 3-way valve…
The unit is bled automatically when the bleeders
(black cap) of the safety assembly are open. If the
heating circuit is filled or emptied, the bleeding
valve opens…
open shut-off valves in the hydraulic module on the
heat pump side. close shut-off valves of the module
on the heating circuit side. close shut-off valves on
site on the heating pump side:
A
H
000
J
zu
offen
zu
1 filling tap
2 flow, heating water /
domestic hot water
3 Return flow, heating water
4 Return flow, domestic hot water
5 drain
Exchange hoses at filling and emptying taps and flush
condenser of the heat pump via return flow…
In addition, open the bleeding valve on the
condenser of the heat pump. bleed condenser and
then close the bleeding valve again when fully bled.
insulating the hydraulic
connections
you must insulate the fixed piping of the heating circuit,
the connection pipes between the hydraulic module and
the heat pump and the connections of the domestic hot
water tank.
In (R) variant vapour diffusion tight
note.
Insulate in accordance with applicable local stan-
dards and directives.