Combining Units And Options; Possible Options For The Outdoor Unit - Daikin EWYA004D2V3P Installer's Reference Manual

5.2 Combining units and options

5.2.1 Possible options for the outdoor unit

EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B – 2022.09
INFORMATION
Certain options may NOT be available in your country.
Room thermostat (EKRTWA, EKRTRB)
You can connect an optional room thermostat to the outdoor unit. This thermostat
can either be wired (EKRTWA) or wireless (EKRTRB).
For installation instructions, see the installation manual of the room thermostat
and addendum book for optional equipment.
Remote sensor for wireless thermostat (EKRTETSB)
You can use the remote indoor temperature sensor (EKRTETSB) only in
combination with the wireless thermostat (EKRTRB).
For installation instructions, see the installation manual of the room thermostat
and the addendum book for optional equipment.
Digital I/O PCB (EKRP1HBAA)
The digital I/O PCB is required to provide following signals:
▪ Alarm output
▪ 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.
5 About the units and options
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Installer reference guide
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