CTC Union 6212576, Руководство по установке и обслуживанию

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34 CTC EcoLogic S
8. Operation and
Maintenance
When the installer has installed your new heat pump, you should check
along with the installer that the system is in perfect operating condition. Let
the installer show you where the switches, controls and fuses are so that you
know how the system works and how it should be maintained.
CTC EcoLogic is designed to provide reliable operation and high levels of
comfort, and to have a long service life. Various tips are given below which
may be helpful and guide you in the event of an operational malfunction.
If a fault occurs, you should always contact the installer who installed your
unit. If the installer believes the malfunction is due to a materials or design
fault, then they will contact us to check and rectify the issue. Always provide
the product’s serial number.
Ground loop
Faults can occur in the cooling unit if the ground loop has not been installed
correctly, if it has not been bled sufficiently, if it contains too little antifreeze or
is not designed to an adequate size. Poor or insufficient circulation can result
in the heat pump triggering an alarm in the case of low evaporation. If the
temperature difference between the ingoing and outgoing temperature is too
large, the product triggers an alarm and “Low brine flow” is displayed. The
probable cause is that there is still air in the brine circuit. Bleed thoroughly,
which may in some cases take up to a day. Also check the ground loop. See
also the section entitled “Connecting the brine system”.
Check:
• that the brine pump speed value is not set too low. Try to increase this
if a problem arises.
Reset the “Low evaporation” alarm on the display. Where a malfunction
repeatedly occurs, call in a technician to investigate and rectify the fault.
If the text “Low brine temp” is displayed, the ground loop may not be
large enough or there may be a fault with the sensor. Check the brine
circuit temperature in the "Current operation data" menu. If the incoming
temperature falls below -5 °C during operation, call in a technician to inspect
the brine circuit.
9. Troubleshooting/
Appropriate measures