Vaillant VWZ MWT 150 Instrucciones De Instalacion Y De Uso página 12

START UP
∙ Connect the circuit to the heat pump as shown.
4.4 Electrical Installation
e Danger!
Risk of electric shock due to an
improper electrical connection
Improper electrical connection can cause
electric shock or might negatively affect the
operational safety of the product and might
cause material damage
The electrical connection of the product
•
must be carried out only by a suitably
qualified person.
1
30 mm max.
Key
1 Electrical wires
2 Insulation
4.4.1 Connection of the pump to the control
box
The external wiring to be grounded. The polarity must be
correct and consistent with the standards.
• Connect the appliance in accordance with the live and
neutral connections.
The connecting cables between the electrical panel and the
appliance must be :
- adapted to a fi xed installation,
- Electrical wires with adapated section linked to the power
of the appliance.
Component
Temperature probe cable passage
9
!
.
2
Supply voltage
(mini section of cable)
230 V (3G0.5)
4.5 Cableway and passage
Notes
i
The cables must pass through the openings
provided for this purpose.
1
2
1 Passage for power cables and relay command cables
2 Pump cable
5 Start up
∙ Check the electrical and water installation.
∙ Check all connections for leaks.
∙ Drain the appliance.
∙ Replace the power.
5.1 Filling the heat pump circuit
A
∙ Connect the fi ller pump to tap (B).
∙ Connect the end of a pipe to tap (C).
∙ Insert the other end of the pipe into a suitable container
to capture any glycol discharged while bleeding the
circuit.
∙ Close the main tap (A).
∙ Open taps (B et C).
∙ Fill the heat pump circuit.
∙ Close taps (B) and (C) when the circuit is full and bled.
B
C