Symptom: The Pump Is Making Noise (Cavitation); Symptom: The Pressure Relief Valve Opens - Daikin EAVH16S23DA6V Installer's Reference Manual
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Also See for EAVH16S23DA6V:
- Installer's reference manual (104 pages) ,
- Installation manual (28 pages) ,
- User reference manual (24 pages)
Table of Contents
14
|
Troubleshooting
14.3.5 Symptom: The pump is making noise (cavitation)
14.3.6 Symptom: The pressure relief valve opens
Installer reference guide
190
WARNING
Air purging heat emitters or collectors. Before you purge air from heat emitters or
collectors, check if
▪
If not, you can purge air immediately.
▪
If yes, make sure that the room where you want to purge air is sufficiently
ventilated. Reason: Refrigerant might leak into the water circuit, and
subsequently into the room when you purge air from the heat emitters or
collectors.
Possible causes
There is air in the system
The water pressure at the pump inlet is
too low
Possible causes
The expansion vessel is broken
The valve (if equipped) of the water
circuit towards the expansion vessel is
closed.
The water volume in the installation is
too high
or
is displayed on the home screen of the user interface.
Purge air manually (see
manual air
automatic air purge function (see
perform an automatic air
4
purge" [
173]).
Check and make sure that:
▪
The water pressure is >1 bar.
▪
The water pressure sensor is not
broken.
▪
The expansion vessel is NOT broken.
▪
The valve (if equipped) of the water
circuit towards the expansion vessel is
open.
▪
The pre-pressure setting of the
expansion vessel is correct (see
"8.1.4 Changing the pre-pressure of
the expansion
Replace the expansion vessel.
Open the valve.
Make sure that the water volume in the
installation is below the maximum
allowed value (see
water volume and flow
"8.1.4 Changing the pre-pressure of the
expansion
EPGA11~16DAV3(7) + EAVH/X16S18+23DA6V(7)+9W(7)
Corrective action
"To perform a
4
purge" [
173]) or use the
4
vessel" [
76]).
Corrective action
"8.1.3 To check the
4
rate" [
74] and
4
vessel" [
76]).
Daikin Altherma 3 H F
4P556070-1A – 2021.09
"To
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