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8 Configuration
Thermostats and external sensors
NOTICE
If an external room thermostat is used, the external room
thermostat will control the room frost protection. However,
the room frost protection is only possible if the leaving
water temperature control on the unit's user interface is
turned ON.
See
"5 Application guidelines" on
#
Code
[A.2.2.4]
[C-05]
Contact type main
In external room thermostat control, the
contact type of the optional room
thermostat or heat pump convector for
the main leaving water temperature zone
must be set. See
guidelines" on
▪ 1 (Thermo ON/OFF): The connected
external room thermostat or heat
pump convector sends the heating or
cooling demand by the same signal as
it is connected to only 1 digital input
(preserved for the main leaving water
temperature zone) on the indoor unit
(X2M/1). Select this value in case of a
connection
convector (FWXV).
▪ 2
connected external room thermostat
sends separate heating and cooling
demand and is therefore connected to
the 2 digital input (preserved for the
main leaving water temperature zone)
on the indoor unit (X2M/1 and 2).
Select this value in case of connection
with the wired (EKRTWA) or wireless
(EKRTR1) room thermostat.
[A.2.2.5]
[C-06]
Contact type add.
In external room thermostat control with
2 leaving water temperature zones, the
type of the optional room thermostat for
the additional leaving water temperature
zone must be set. See
guidelines" on
▪ 1 (Thermo ON/OFF): See Contact
type main. Connected on the indoor
unit (X2M/1a).
▪ 2 (H/C request)(default): See Contact
type main. Connected on the indoor
unit (X2M/1a and 2a).
Installer reference guide
52
page 11.
Description
"5 Application
page 11.
to
the
heat
pump
(H/C
request)(default):
The
"5 Application
page 11.
#
Code
[A.2.2.B]
[C-08]
External sensor
When an optional external ambient
sensor is connected, the type of the
sensor must be set. See
guidelines" on
▪ 0 (No)(default): NOT installed. The
thermistor in the user interface and in
the
measurement.
▪ 1 (Outdoor sensor): Installed. The
outdoor
measure
temperature.
functionality, the temperature sensor
in the outdoor unit is still used.
▪ 2
temperature
interface is NOT used anymore.
Remark: This value has only meaning
in room thermostat control.
Digital I/O PCB
Modification of these settings is only needed when the optional
digital I/O PCB is installed. The digital I/O PCB has multiple
functionality which need to be configured. See
guidelines" on
page 11.
#
Code
[A.2.2.6.1]
[C-02]
Ext. backup heat src
Indicates if the space heating is also
performed by means of another heat
source than the system.
▪ 0 (No)(default): NOT installed.
▪ 1 (Bivalent): Installed. The auxiliary
boiler
operate when the outdoor ambient
temperature is low. During the bivalent
operation, the heat pump is turned
OFF. Set this value in case an
auxililary
"5 Application guidelines" on
[A.2.2.6.2]
[D-07]
Solar kit
Only applicable for EHBH/X. Indicates if
the domestic hot water tank is also
heated by thermal solar panels.
▪ 0 (No)(default): NOT installed.
▪ 1 (Yes): Installed. The domestic hot
water tank can –besides by the heat
pump– also be heated by thermal
solar panels. Set this value if thermal
solar
"5 Application guidelines" on
ERLQ004~008CA + EHVH/X04+08S18+26CB
Description
"5 Application
page 11.
outdoor
unit
are
used
sensor
will
be
used
the
outdoor
ambient
Remark:
For
some
(Room
sensor):
Installed.
The
sensor
in
the
user
"5 Application
Description
(gasboiler,
oil
burner)
boiler
is
used.
See
page 11.
panels
are
installed.
See
page 11.
Daikin Altherma – Low temperature split
4P384973-1D – 2018.07
for
to
will
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