Daikin EPRA14DAW1 Installer's Reference Manual page 183

Preferential kWh rate power supply
EPRA14~18DAV3+W1 + ETVH/X16S18+23DA6V+9W(G)
Daikin Altherma 3 H HT F
4P587502-1A – 2020.01
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.
# Code
[9.8.1] [D-01]
Description
Connection to a Benefit kWh power supply
or a Safety thermostat:
▪ 0 No: The outdoor unit is connected to a
normal power supply.
▪ 1 Open: The outdoor unit is connected to a
preferential kWh rate power supply. When the
preferential kWh rate signal is sent by the
electricity company, the contact will open and
the unit will go in forced off mode. When the
signal is released again, the voltage-free
contact will close and the unit will restart
operation. Therefore, always enable the auto
restart function.
▪ 2 Closed: The outdoor unit is connected to a
preferential kWh rate power supply. When the
preferential kWh rate signal is sent by the
electricity company, the contact will close and
the unit will go in forced off mode. When the
signal is released again, the voltage-free
contact will open and the unit will restart
operation. Therefore, always enable the auto
restart function.
▪ 3 Safety thermostat: A safety thermostat
is connected to the system (normal closed
contact)
9 Configuration
|
Installer reference guide
183