24 l Uponor Combi Port PRO XU l Installation manual
5.3
Closing off the heat interface unit
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A
,
C
and
D
.
Caution:
Make sure the system is protected against frost!
A
CW from riser
B DHW to apartment
C Primary
heating
supply
D Primary
heating
return
E Secondary heating supply
F
Secondary heating return
Malfunctions and maintenance
A visual inspection is required every 3 to 6 months.
The device seal must be checked.
If drops form or water leaks out, immediately contact the installation
specialist.
Longer absences
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after your return, let the hot water run for about 5 minutes.
Set the heating to frost protection! Make sure not to close ball-valves
A
,
C
and
D
.
B
A
C
D
E
F