Daikin Altherma ERGA04E V3 Series, Installer'S Reference Manual

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5 | About the units and options
Installer reference guide
30
ERGA04~08E + 23E
Daikin Altherma 3 R F
4P629090-1C – 2022.08
▪ Space heating/cooling On/OFF output
▪ Changeover to external heat source
For installation instructions, see the installation manual of the digital I/O PCB and
addendum book for optional equipment.
Demand PCB (EKRP1AHTA)
To enable the power saving consumption control by digital inputs you MUST install
the demand PCB.
For installation instructions, see the installation manual of the demand PCB and
addendum book for optional equipment.
Remote indoor sensor (KRCS01-1)
By default the internal sensor of the dedicated Human Comfort Interface
(BRC1HHDA used as room thermostat) will be used as room temperature sensor.
As an option the remote indoor sensor can be installed to measure the room
temperature on another location.
For installation instructions, see the installation manual of the remote indoor
sensor and addendum book for optional equipment.
INFORMATION
▪
The remote indoor sensor can only be used in case the user interface is
configured with room thermostat functionality.
▪
You can only connect either the remote indoor sensor or the remote outdoor
sensor.
Remote outdoor sensor (EKRSCA1)
By default the sensor inside the outdoor unit will be used to measure the outdoor
temperature.
As an option the remote outdoor sensor can be installed to measure the outdoor
temperature on another location (e.g. to avoid direct sunlight) to have an
improved system behaviour.
For installation instructions, see the installation manual of the remote outdoor
sensor and the addendum book for optional equipment.
INFORMATION
You can only connect either the remote indoor sensor or the remote outdoor sensor.
PC cable (EKPCCAB4)
The PC cable makes a connection between the hydro PCB (A1P) of the indoor unit
and a PC. It gives the possibility to update the hydro software and EEPROM.
For installation instructions, see:
▪ Installation manual of the PC cable
▪ "10.1.2 To connect the PC cable to the switch box" [
4
141]
Pipe bend kit (EKHVTC)
When the indoor unit is installed in a place with limited space, a pipe bend kit can
be installed to facilitate the connection to the refrigerant liquid and gas
connections of the indoor unit.
For installation instructions, see the instruction sheet of the pipe bend kit.