Commissioning Checklist - Vaillant geoTHERM VRC 700 Notice D'installation

Work
7 Use cold pipe clips to install the brine pipes in the house
8 Use the correct brine fluid
9 Use the correct mixing ratio of monoethylene glycol to water
10 Use a refractometer to check the mixing ratio
11 Choke the output of the filling pump
12 Sufficiently dimension the VWZ MEH 61's expansion vessel for the
heating circuit
13 Connect the heat pump via a separately fused plug socket
14 Connect the back-up heater from the VWZ MEH 61 via a 400 V con-
nection
15 Use connection terminals when connecting multiple conductors
16 Check all cable connections for tensile strength
17 Visually check all cable connections for damage
3

Commissioning checklist

3.1 VWZ MEH 61
Work
1 Start the installation assistant
Language
2
3 Check program: Purging of building circuit active
4 Contact details
5 End the installation assistant?
Menu → Installer level → Test menu → Sensor/actuator test
6
7 Check T.1.63 SP1 temperature
3.2 VWS 36/4.1 230V
Work
8 Start the installation assistant
9 Language
10 Freeze protection
11 Purge environment and building circuit
12 Purge building circuit
13 Check program: Purge environment circuit
14 Contact details
15 End the installation assistant?
Menu → Installer level → Test menu → Sensor/actuator test
16
17 T.82 Building circuit pressure
18 T.101 Environment circuit pressure
19 T.146 Outside temperature
0020251822_01 System installation instructions
Commissioning checklist 3
Comments/settings
Prevent thermal bridges
Monoethylene glycol, essential for fault-free operation.
3:7, efficient operation only when the defined mixing ratio
is used
Efficient operation only when the defined mixing ratio is
used
Reduce the penetration of air in the brine circuit.
No expansion vessel present in the heat pump.
Observe the connection conditions in accordance with
the data plate.
Observe the connection conditions in accordance with
the data plate.
Prevent communication faults.
Comments/settings
If it is not started automatically
Select
Starts automatically, end after approx. 30 minutes
Enter on the VRC 700
Yes
Actual cylinder temperature
Comments/settings
OK
Select
−10 °C
No
No
Yes, test active, end after approx. 30 minutes
Enter on the VRC 700
Yes
Check, at least 1500-2000 mbar
Check, at least 1500-2000 mbar
Check, actual temperature display
3