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#
Code
[A.2.2.A]
[D-02]
The indoor unit offers the possibility to
connect a field supplied domestic hot
water pump (On/OFF type). Depending
on the installation and configuration on
the user interface, we distinguish its
functionality.
DHW pump:
▪ 0 (No)(default): NOT installed.
▪ 1 (Secondary rtrn): Installed for instant
hot water when water is tapped. The
end-user sets the operation timing
(weekly
domestic hot water pump when it
should run. Control of this pump is
possible through the indoor unit.
▪ 2
disinfection.
disinfection function of the domestic
hot water tank is running. No further
settings are needed.
See also illustrations below.
Domestic hot water pump installed for...
Instant hot water
c
a
f
b
g
a Indoor unit
b Tank
c Domestic hot water pump
d Heater element
e Non‑return valve
f Shower
g Cold water
Thermostats and external sensors
See "5 Application guidelines" on page 7.
#
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
guidelines" on page 7.
▪ 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.
ERHQ011~016BA + ERLQ011~016CA + EHVH/X16S18+26CA
Daikin Altherma - Low Temperature Split
4P313777-1C – 2012.11
Description
schedule
time)
of
the
(Disinf.
shunt):
Installed
It
runs
when
the
Disinfection
c
a
d
b
e
Description
be
set.
See
"5
Application
to
the
heat
pump
(C/H
request)(default):
The
#
Code
[A.2.2.5]
[C-06]
[A.2.2.B]
[C-08]
for
f
g
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 "5 Application
guidelines" on page 7.
#
Code
[A.2.2.6.1]
[C-02]
[A.2.2.6.2]
[D-07]
8 Configuration
Description
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 "5 Application
guidelines" on page 7.
▪ 1 (Thermo ON/OFF): See Contact
type main. Connected on the indoor
unit (X2M/1a).
▪ 2 (C/H request)(default): See Contact
type main. Connected on the indoor
unit (X2M/1a and 2a).
External sensor
When an optional external ambient
sensor is connected, the type of the
sensor must be set. See "5 Application
guidelines" on page 7.
▪ 0 (No)(default): NOT installed. The
thermistor in the user interface and in
the
outdoor
unit
are
used
measurement.
▪ 1 (Outdoor sensor): Installed. The
outdoor
sensor
will
be
measure
the
outdoor
temperature.
Remark:
For
functionality, the temperature sensor
in the outdoor unit is still used.
▪ 2
(Room
sensor):
Installed.
temperature
sensor
in
the
interface is NOT used anymore.
Remark: This value has only meaning
in room thermostat control.
Description
Ext. backup heat src
Indicates if the space heating is also
performed by means of an other heat
source that the system.
▪ 0 (No)(default): NOT installed.
▪ 1 (Bivalent): Installed. The auxiliary
boiler
(gasboiler,
oil
burner)
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
boiler
is
used.
"5 Application guidelines" on page 7.
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
panels
are
installed.
"5 Application guidelines" on page 7.
Installer reference guide
for
used
to
ambient
some
The
user
will
See
See
37
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