7 Configuration
Installation manual
20
EHFH03S18D
Daikin Altherma 3 R F
4P596803-1D – 2022.08
a Cold water
b Shower
c Domestic hot water pump
d Heater element
e Non-return valve
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 user interface of the unit is
turned ON.
# Code Description
[A.2.2.4] [C-05] External room thermostat for the main
zone:
▪ 1 (Thermo ON/OFF): When the used
external room thermostat or
heatpump convector can only send a
thermo ON/OFF condition.
▪ 2 (H/C request): When the used
external room thermostat can send a
separate heating/cooling thermo ON/
OFF condition.
[A.2.2.5] [C-06] External room thermostat for the
additional zone:
▪ 0: N/A
▪ 1 (Thermo ON/OFF): When the used
external room thermostat or
heatpump convector can only send a
thermo ON/OFF condition.
▪ 2 (H/C request): When the used
external room thermostat can send a
separate heating/cooling thermo ON/
OFF condition.
[A.2.2.B] [C-08] External sensor:
▪ 0 (No): NOT installed.
▪ 1 (Outdoor sensor): Connected to
PCB measuring the outdoor
temperature.
▪ 2 (Room sensor): Connected to PCB
measuring the indoor temperature.
Digital I/O PCB
# Code Description
[A.2.2.6.1] [C-02] External backup heater source:
▪ 0 (No): None
▪ 1 (Bivalent): Gas, oil boiler
▪ 2: N/A
▪ 3: N/A
[A.2.2.6.2] [D-07] Solar pump station kit:
▪ 0 (No): NOT installed
▪ 1 (Yes): Installed
[A.2.2.6.3] [C-09] Alarm output on optional EKRP1HBAA
PCB:
▪ 0 (Normally open): The alarm
output will be powered when an
alarm occurs. By setting this value, a
distinction is made between the
detection of an alarm, and the
detection of a power failure.
▪ 1 (Normally closed): The alarm
output will NOT be powered when an
alarm occurs.
Also see table below:Alarm output
logic.
[A.2.2.6.4] [F-04] Bottom plate heater
▪ 0 (No): NOT installed
▪ 1 (Yes): Installed
Alarm output logic
[C-09] Alarm No alarm No power
supply to unit
0 (default) Closed output Open output Open output
1 Open output Closed output
Demand PCB
# Code Description
[A.2.2.7] [D-04] Demand PCB
Indicates if the optional demand PCB is
installed.
▪ 0 (No)
▪ 1 (Pwr consmp ctrl)
Energy metering
# Code Description
[A.2.2.8] [D‑08] Optional external kWh meter1:
▪ 0 (No): NOT installed
▪ 1: Installed (0.1pulse/kWh)
▪ 2: Installed (1pulse/kWh)
▪ 3: Installed (10pulse/kWh)
▪ 4: Installed (100pulse/kWh)
▪ 5: Installed (1000pulse/kWh)
[A.2.2.9] [D‑09] Optional external kWh meter2:
▪ 0 (No): NOT installed
▪ 1: Installed (0.1pulse/kWh)
▪ 2: Installed (1pulse/kWh)
▪ 3: Installed (10pulse/kWh)
▪ 4: Installed (100pulse/kWh)
▪ 5: Installed (1000pulse/kWh)