Danfoss Termix Compact 28 MST VMTD Operating Manual page 10

Operating Guide Termix Compact 28 MST VMTD
4.2 Start-up
Start-up, Direct heating
The shut-off valves should be opened and the unit observed as
it enters service. Visual checking should confirm temperatures,
pressures, acceptable thermal expansion and absence of leakage.
If the heat exchanger operates in accordance with design, it can be
put to regular use.
After water has been added to the system and the system has been
put into operation, re-tighten ALL connections.
Summer operation:
Switch off pump
In summer the circulation pump must be switched off and the
shut-off valve to HE supply closed.
Running pump bi-weekly
It is recommended to start up the circulation pump (for 2 minutes)
once a month during summer; the shut-off valve of the HE supply
must be shut.
Electronic controller
Most electronic controllers will start up the pump automatically
(please note manufacturer´s instructions).
10 | © Danfoss | 2024.08
Re-thighten connections
After water has been added to the system and the system has been
put into operation, re-tighten ALL connections.
AQ461051191125en-000202 / LUK53534