Cableway And Passage; Start-Up; Filling The Appliance - Vaillant VWZ MEH 61 Installation Instructions And Instructions For Use

START-UP

4.5

Cableway and passage

i Notes
The cables must pass through the openings
provided for this purpose.
2
1
8 5
8
Key
1 Pressure sensor cable
2 Temperature sensor cable
3 Circuit board power cable
4 Resistance heater control relay cable
5 Power cable
6 3 way-valve motor cable
7 High voltage systems options cables
8 Low voltage systems options cables
5 Start-up
∙ Check the electrical and water installation.
∙ Check all connections for leaks.
∙ Purge your heating system.
∙ Replace the power.
∙ To use the AI interface and confi gure the hydraulic
station, refer to the user and installer documents for the
aroTHERM heat pump.
30
3
4
5
6
7
5 7
5.1

Filling the appliance

1
A
B
3
Key
1 Filler kit
2 Intermediate position (2 paths open)
3 Initial position
∙ Connect the fi ller kit (1) to one of the module inputs/
outputs,
∙ Connect the kit tap to the water source,
∙ Manually place the three way valve into the intermediate
position (2) as shown in A,
∙ Fill the circuits;
∙ Open the bleed valve, let the air escape and then close
the bleed valve. Repeat this operation several times until
there is no more air in the circuit.
∙ Close the kit tap.
∙ Reposition the three way valve to the initial position (3) as
shown in B.
2
0020166663_01 - 07/13 - Vaillant