Alpha-InnoTec WZS 42H3M User Manual

16
Subject to change without notice | 83056600cUK – Translation into English of the original German operating manual | ait-deutschland GmbH
Iftheconnectionleaks:
1. Undoconnectionandcheckpipefordamage.
2. Tighten the union nut hand-tight and retighten with
the open-ended spanner with 1/8 to 1/4 turn, as
the clamping ring is already in a clamping position.
Connect the unit to the heat source,
domestic water pipes and heating circuit
1. Install shut-off devices in the heating circuit.
2. Insert the vent at the highest point of the heat
source and the heating circuit.
3. Recommendation: Fit a dirt lter with mesh size
0.9 mm onto the heat source inlet.
4. Connectthedomestichotwatertankaccordingto
the local regulations.
5. Recommendation: To balance out pressure
uctuations and water hammers and avoid
unnecessary loss of water, install an expansion
vesselwiththrough-owtting.
6. Ensure that the operating overpressures
( “Technical data/Scope of supply” on page
24) are not exceeded. Install pressure reducer
if necessary.
6.4 Connect the electrical cables
ATTENTION
Irreparable damage to the compressor due to wrong
rotatingeld!
► Ensurethat there is aclockwise rotating eld for
the compressor load infeed.
Basic information on the electrical connection
NOTE
Ensure that the unit is supplied with electricity
atalltimes.Afterworkinginsidetheunitand
attaching the unit panelling, switch the power
supplybackonimmediately.
● The specications of the local power supply
company may apply to electrical connections.
● Fit the power supply for the heat pump with an all-
pole miniature circuit-breaker with at least 3 mm
contact spacing (IEC 60947-2).
● Note the level of the tripping current
( “Technical data/Scope of supply” on page
24).
● Comply with the electromagnetic compatibility
regulations (EMC regulations).
–
Lay the control/sensor cables and unit supply
cablesufcientlyfarapart(>100mm).
–
Lay unshielded power supply cables and
shieldedcables(LINbuscable)withsufcient
distance between them.
● Do not lengthen the patch cable and LIN bus
cable. LIN bus cables up to 30 m long can be
used.
Pullinthecablesandconductorsandmake
the connections
1. Strip the sheathing of electrical cables before
laying in the cable duct of the control box.
2. Open electrical switchbox:
–
Undo 2 screws at the top of the cover panel of
the electrical control box.
–
Unhookcoverpanel.

Alpha-InnoTec WZS 42H3M Specifications

General

Brand	Alpha-InnoTec
Model	WZS 42H3M
Category	Heat Pump
Language	English