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About the units and options
Installer reference guide
26
EWSAH/X06D
Daikin Altherma 3 WS
4P675764-1 – 2022.04
5.4 Possible options for the indoor unit
Digital I/O PCB (EKRP1HBAA)
The digital I/O PCB is required to provide following signals:
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Alarm output
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Space heating On/OFF output
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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.
User interface used as room thermostat (BRC1HHDA)
▪
The user interface used as room thermostat can only be used in combination
with the user interface connected to the indoor unit.
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The user interface used as room thermostat needs to be installed in the room
that you want to control.
For installation instructions, see the installation and operation manual of the user
interface used as room thermostat.
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.
PC cable (EKPCCAB4)
The PC cable makes a connection between the switch box of the indoor unit and a
PC. It gives the possibility to update the software of the indoor unit.
For installation instructions, see:
▪
the installation manual of the PC cable
▪
"11.1.2 To connect the PC cable to the switch box"
Heat pump convector (FWX*)
For providing space heating/cooling, it is possible to use heat pump convectors
(FWXV).