Daikin EPRA18DAV3 Installer's Reference Manual page 183

Water pipe freeze prevention
Preferential kWh rate power supply
EPRA14~18DAV3+W1 + ETVH/X16S18+23DA6V+9W(G)
Daikin Altherma 3 H HT F
4P587502-1B – 2020.12
# Code
[9.6.5] [8-00]
[9.6.6] [8-01]
[9.6.7] [8-04]
Only relevant for installations with water piping outdoors. This function tries to
protect outdoor water piping from freezing.
# Code
[9.7] [4-04]
NOTICE
Water pipe freeze prevention. Even if you turn OFF space heating/cooling operation
([C.2]: Operation > Space heating/cooling), water pipe freeze prevention –if
enabled– will remain active.
INFORMATION
The preferential kWh rate power supply contact is connected to the same terminals
(X5M/9+10) as the safety thermostat. Thus, the system can have EITHER preferential
kWh rate power supply OR a safety thermostat.
Description
Minimum running timer:
Do NOT change.
Maximum running timer for domestic hot
water operation. Domestic hot water heating
stops even when the target domestic hot water
temperature is NOT reached. The actual
maximum running time also depends on setting
[8-04].
▪ When Control=Room
preset value is only taken into account if there
is a request for space heating or cooling. If
there is NO request for space heating/cooling,
the tank is heated until the setpoint has been
reached.
▪ When Control≠Room
preset value is always taken into account.
Range: 5~95 minutes
Remark: It is NOT allowed to set [8‑01] to a value
below 10 minutes.
Additional timer: Additional running time
for the maximum running time depending on the
outdoor temperature [4-02] or [F-01].
Range: 0~95 minutes
Description
Water pipe freeze prevention:
▪ 0: Intermittent (read only)
9 Configuration
|
thermostat: This
thermostat: This
Installer reference guide
183