Daikin EBLA09D V3 Series Installer's Reference Manual page 77

EBLA09~16D + EDLA09~16D
Daikin Altherma 3 M
4P620241-1B – 2022.05
If...
Preheating on the tank is possible.
This is possible in the following cases:
▪ EKHWP* tank + booster heater
▪ EKHWS*D* tank + booster heater + DHW
pump
Preheating on the tank is not possible, but
a backup heater (internal or external) is
present.
Preheating on the tank is not possible, and
there is no backup heater.
INFORMATION
In critical processes, or in rooms with a high heat load, extra water might be
required.
NOTICE
When circulation in each space heating/cooling loop is controlled by remotely
controlled valves, it is important that the minimum water volume is guaranteed,
even if all of the valves are closed.
d
a User interface (delivered as accessory)
b Individual room thermostat (option)
c Overpressure bypass valve (field supply)
d Shut-off valve (delivered as accessory)
M1...3 Individual motorised valve to control each loop (field supply)
Maximum water volume
NOTICE
The maximum water volume depends on whether glycol is added to the water
circuit. For more information on the addition of glycol, refer to
water circuit against
Use the following graph to determine the maximum water volume for the
calculated pre-pressure.
M1
a
b b
freezing" [ 4 82].
8 Piping installation
|
Then the minimum water volume
is...
0 l
20 l
50 l
c
M2 M3
b
"8.2.4 To protect the
Installer reference guide
77