CTC Union GSi 600 Series, Installation And Maintenance Manual

Page: 38 / 136

38 CTC GSi 600
7. Connecting the brine system
Brine out Brine in
The brine system, i.e. the ground collector loop, must be assembled and
connected by a qualified tradesman in accordance with current regulations and
design guidelines.
Care must be taken to ensure that no dirt gets on the collector hoses, which
must be washed clean before being connected. The protective caps must always
remain in place while work is in progress.
The temperature of the coolant system can fall below 0°C. It is therefore important
that no water-based lubricants and similar are used during installation. It is also
important that all the components are insulated against condensation to prevent
the build-up of ice.
7.1 Connections
The brine system may be connected to the right, left or back of the heat pump.
Cut away the cover plate on the side where the brine system is to be connected.
The insulation on the inside of the cover plate has been grooved to enable an
opening to be cut for the brine hoses provided. When the opening has been made
through both the insulation and cover plate, carry out the installation as follows:
1. In order to protect the brine hoses, fasten the protective edging provided
around the edge of the opening in the insulation plate. Adjust the length of the
protective edging to suit the opening as required.
2. Attach the provided compression couplers to the cooling module connector
pipes. To facilitate attachment, the upper brine pump connection may be
loosened and rotated if necessary.
3. Pass the brine hoses through the opening in the side cover plates and
connect them to the compression couplers. Ensure that the connections are
well insulated to avoid the build-up of ice and condensation.
4. Install the collector system after this according to the schematic diagram.
You can also connect the primary flow on one side and the return on the other.
See the section entitled "Measurement details for measurements and dimensions".
The pipe between the heat pump and collector loop should have an internal
diameter of no less than Ø28 mm.