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6. Operation and
maintenance
6.1
After installation
Once the system has been installed, the user and installer must together check
that the system is in perfect working order. Let the installer show you where the
power switches, controls, valves, safety valves, etc. are so that you know how
the system works and how it should be maintained.
The system may need to be re-bled after a few days of operation. Also check for
any leakage after a few days of operation; re-tighten if necessary.
6.2
Periodic maintenance
CTC EcoComfort does not normally require any special maintenance, although it
should be checked for leakage and residual air:
• Immediately after installation and pressurisation of the systems.
• After a week of operation.
• After about a month of operation, then each year (leakage).
6.3
Breaks in operation
If the unit is to be turned off for a period of time, ensure the following:
• The taps, valves, etc. are closed/set to a position that means the system
cannot be damaged during this period.
• The whole system is drained of water (the cold side does not need to be
drained since it is protected against frost). Make sure that electrical power
is cut off to pumps etc.
• Safety valves and other functions are checked when the system is
restarted.
• When draining, make sure all water is drained from the heat exchanger;
remove one of the lower connections.
6.4
Function description
Passive cooling
Passive cooling means that the free cooling available is made use of. In this
case, the bore hole's cool temperature cools the radiator water. The compressor
in the heat pump is not used; only pump energy is required to circulate the
water.
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CTC EcoComfort
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