Daikin ETVZ16S18EA6V Installer's Reference Manual page 209

EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W
Daikin Altherma 3 H HT F
4P644739-1 – 2021.02
INFORMATION
Start by performing a manual air purge. When almost all the air is removed, perform
an automatic air purge. If necessary, repeat performing the automatic air purge until
you are sure that all air is removed from the system. During air purge function, pump
speed limitation [9‑0D] is NOT applicable.
The air purge function automatically stops after 30 minutes.
INFORMATION
For best results, air purge each loop separately.
Status of valve and pumps during air purge
Status
Main zone (mixed)
Mixing valve Fully open
Pump main zone ON
Pump additional OFF
zone
Example: Air purge on main zone:
a
Example: Air purge on additional zone:
a
a Outdoor unit
b Indoor unit
c Backup heater
d Domestic hot water tank
M1S 3-way valve (mixing valve for the main/mixed zone)
M3S 3-way valve (space heating/domestic hot water)
Air purge on zone ...
Additional zone
(direct)
Bypassed
OFF
ON
b
d
M1S
c
45°C
M3S
b
d
M1S
c
45°C
M3S
11 Commissioning
|
Tank (domestic hot
water)
Bypassed
OFF
ON
45°C
35°C
45°C
35°C
Installer reference guide
209