28 | © Danfoss | 2021.06 LGB40450
Termix VVX-I-R FI - 7 Series DS fully insulated
In the event of malfunction, check the following before initiating
troubleshooting:
• That there is a power supply to the heat interface unit.
• That the strainer on the heat network pipe has been cleaned.
• That the heat network flow temperature is normal.
• That there is sufficient differential pressure.
Measures AFTER troubleshooting
Once the troubleshooting has been completed, undertake
the following measures:
• Tighten all union connections.
• Wipe off the heat interface unit and clean up any fluid spills.
• Balance the heat interface unit if necessary.
• Check that pressure and temperature are at normal levels.
Troubleshooting
Authorised personnel
All troubleshooting and maintenance may only be carried out
by an authorised and qualified HVAC or electrical technician.
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