Daikin Altherma EVLQ05+08CA, Installer'S Reference Manual

Page: 161 / 252

8 | Configuration
Installer reference guide
161
EHYH EHYHBH/X08AF + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1F – 2020.10
# Code Description
[A.2.1.6] [D‑01] Connection to a preferential kWh rate power
supply:
▪ 0 (default): The outdoor unit is connected to a
normal power supply.
▪ 1: 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: 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.
Remark: 3 is related to safety thermostat.
Safety thermostat
INFORMATION
The preferential kWh rate power supply contact is connected to the same terminals
(X5M/3+4) as the safety thermostat. It is only possible for the system to have EITHER
preferential kWh rate power supply OR a safety thermostat.
# Code Description
[A.2.1.6] [D‑01] Connection to a safety thermostat voltage free
contact:
▪ 0 (default): No safety thermostat.
▪ 3: Safety thermostat normal closed contact.
Remark: 1+2 are related to preferential kWh rate
power supply.
INFORMATION
Make sure the safety thermostat setpoint is at least 15°C greater than the maximum
leaving water temperature setpoint.
Power saving function
Defines whether the outdoor unit power supply can be interrupted (internally by
indoor unit control) during stand-still conditions (no space heating/cooling by the
heat pump). The final decision to allow power interruption of the outdoor unit
during standstill depends on the ambient temperature, compressor conditions and
minimum internal timers.