Alpha-InnoTec WZSV 42K3M, Operating Manual

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21
Subject to technical amendments without prior notice | 83072100aUK | ait-deutschland GmbH
The “Set bypass valve” menu item is set by default to
“No”. The overflow valve adjustment function is deac -
tivated.
● The UWP control signal is the indication of the
currently required pump capacity in %
● If the flow rate is the current flow rate (measuring
ac/- 200 l/h)
1. Fully open the overflow valve, close the heating
circuits
2. If the “Set bypass valve” menu item is set from
“No” to “Yes”, the circulation pump is activated
with 100% – and the pump starts up.
3. If the control signal UWP reaches 100%, close
the overflow valve to the extent that the maximum
flow rate (

“Technical data / Scope of supply”,
from page 24) can be ensured.
2
1
① Overflow valve
② Rotary-push button
4. If you exit the “Set bypass valve” menu or at the
latest after one hour, the circulation pump switch-
es back to standard regulation
5. Open valves to heating circuit.
10 Commissioning
NOTE
The first filling and initial startup of the
domestic hot water tank must be carried out
by qualified personnel.

Relevant planning & design data of the system is
documented in full.

The competent energy supplier has been notified
of operation of the heat pump system.

System is air-free.

Installation check using the rough checklist has
been completed successfully.

Clockwise rotating load infeed field is present at
the compressor

Heating station is installed and mounted accord-
ing to this operating manual

The electrical installation has been carried out
properly in accordance with this operating manual
and local regulations

The power supply for the heat pump is equipped
with an all-pole circuit-breaker with at least 3 mm
contact spacing (IEC 60947-2)

The level of the tripping current is compliant

Heating circuit is flushed and vented

Frost protection of the heat source meets the re-
quirements

“Technical data / Scope of supply“, from
page 24

All shut-off devices of the heating circuit are open

All shut-off devices of the heat source are open

The pipe systems and components of the system
are leak-tight
1. Fill out carefully and sign the notice of completion
for heat pump systems.
2. In Germany: Send notice of completion for
heat pump systems and rough checklist to
the manufacturer’s factory customer service
department.
In other countries: Send notice of completion for
heat pump systems and rough checklist to the
manufacturer’s local partner.
3. Arrange for the heat pump system to be
commissioned by after-sales service authorised
by the manufacturer; this is a chargeable service.