![background image](http://html.mh-extra.com/html/daikin/altherma-erhq011-014-016ba/altherma-erhq011-014-016ba_installers-reference-manual_501283011.webp)
4 About the units and options
Installer reference guide
11
ERHQ+ERLQ011~016 + 16CBV
Daikin Altherma – Low temperature split
4P449970-1 – 2016.06
Room thermostat (EKRTWA, EKRTR1, RTRNETA)
You can connect an optional room thermostat to the indoor unit. This
thermostat can either be wired (EKRTWA) or wireless (EKRTR1 and
RTRNETA). Thermostat RTRNETA can only be used in heating-only
systems.
For installation instructions, see the installation manual of the room
thermostat and addendum book for optional equipment.
Remote sensor for wireless thermostat (EKRTETS)
You can use a wireless indoor temperature sensor (EKRTETS) only
in combination with the wireless thermostat (EKRTR1).
For installation intructions, see the installation manual of the room
thermostat and addendum book for optional equipment.
Digital I/O PCB (EKRP1HB)
The digital I/O PCB is required to provide following signals:
▪ Alarm output
▪ Space heating On/OFF output
▪ Changeover to external heat source
▪ Control signal for bottom plate heater kit EKBPHTH16A.
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 user interface sensor 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.
INFORMATION
You can only connect either the remote indoor sensor or
the remote outdoor sensor.
PC configurator (EKPCCAB)
The PC cable makes a connection between the switch box of the
indoor unit and a PC. It gives the possibility to upload different
language files to the user interface and indoor parameters to the
indoor unit. For the available language files, contact your local
dealer.
The software and corresponding operating instructions are available
on
http://www.daikineurope.com/support-and-manuals/software-
downloads/
.
For installation instructions, see the installation manual of the PC
cable and
"8 Configuration" on page 50
.
Heat pump convector (FWXV)
For providing space heating, it is possible to use heat pump
convectors (FWXV).
For installation instructions, refer to the installation manual of the
heat pump convectors, and the addendum book for optional
equipment.
Drain pan kit (EKHBDPCA2)
The drain pan is required to drain accumulated condensation from
the indoor unit. It is required during low temperature cooling
operation of the indoor unit and when the leaving water temperature
is <18°C.
For installation instructions, see the installation manual of the drain
pan kit.
Solar kit (EKSOLHW)
The solar kit is required to connect the solar application with the
domestic hot water tank.
For installation, see the installation manual of the solar kit and
addendum book for optional equipment.
Domestic hot water tank
The domestic hot water tank can be connected to the indoor unit for
providing domestic hot water.
Backup heater (EKLBUHCB6W1)
You can install an optional backup heater.
For installation instructions, see the installation manual of the
backup heater, or this installer reference guide.
LAN adapter for smartphone c Smart Grid applications
(BRP069A61)
You can install this LAN adapter to:
▪ Control the system via a smartphone app.
▪ Use the system in various Smart Grid applications.
For installation instructions, see the installation manual of the LAN
adapter.
LAN adapter for smartphone control (BRP069A62)
You can install this LAN adapter to control the system via a
smartphone app.
For installation instructions, see the installation manual of the LAN
adapter.
4.3.3
Possible combinations of indoor unit and
outdoor unit
Outdoor unit
Indoor unit
EHBH11
EHBH16
ERLQ011
O
—
ERLQ014
—
O
ERLQ016
—
O