7
Ground source heat pumps since 1983
2. INSTALLATION
2.1. Before installation
Pipe assemblies for the installation of the Lämpöässä system may only be installed by qualified persons. The unit must
be installed in accordance with the instructions provided and a check list must be reviewed after installation in order
to minimise errors. The manufacturer shall not be responsible for any breakages of equipment which is not installed
correctly or any costs incurred as a result of this.
Check that
• all the required hoses and sensors are included in the delivery
• the heat pump has been correctly fitted
• the assemblies on top of the heat pump are intact
• the fuse size is correct for the main fuse and the heat pump (see technical specifications)
• the ground loop pipes and the feed pipes have been installed correctly
2.2. Pipe-laying
Assemblies on top of the heat pump:
Assemblies
V7.0 - V15.0 V20.0 - V30.0
1
2
4
3
6
5
8
7
9
10
Sensor
Electrical
supply
Domestic water, cold Nr 1: Cu 22
Nr 1: Cu 22
Domestic water, hot
Nr 2: Cu 22
Nr 2: Cu 22
Auxiliary group, flow
Nr 3: 1”
Nr 3: 1”
Auxiliary group, return Nr 4: 1”
Nr 4: 1”
Heating circuit 1, return Nr 5: Cu 28
Nr 6: Cu 42
Heating circuit 1, flow Nr 6: Cu 28
Nr 5: Cu 42
Heating circuit 2, flow Nr 7: Cu 28
Nr 7: Cu 42
Heating circuit 2, return Nr 8: Cu 28
Nr 8: Cu 42
Lift hook / Expansion Nr 9: 3/4”
Nr 9: 1”
Electrical immersion -
Nr 10
2.3. Connecting the ground loop
1 2
The assemblies Cu 28 (V7.0-15.0) /Cu 35 (V20.0-30.0) for the ground
loop are located in a compartment behind the unit as shown. The ground loop
assemblies are connected to the ground loop using a flexible assembly pipe. Care
must be taken when attaching the assembly pipe.
1. Heat collection, in
2. Heat collection, out
