6 Electrical installation
Installation manual
14
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
4P620239-1 – 2020.06
6.3 Connections to the outdoor unit
Item Description
Power supply (main) See "6.3.2To connect the main power
supply"[416].
Power supply (backup
heater)
(in case of outdoor unit
with integrated backup
heater)
See "6.3.3To connect the backup heater
power supply"[418].
Backup heater kit +
Bypass valve kit
(in case of external
backup heater kit)
See "6.3.4External backup heater
kit"[418].
User interface See "6.3.5To connect the user
interface"[421].
Shut-off valve See "6.3.6To connect the shut-off
valve"[422].
Electricity meters See "6.3.7To connect the electricity
meters"[423].
Domestic hot water
pump
See "6.3.8To connect the domestic hot
water pump"[423].
Alarm output See "6.3.9To connect the alarm
output"[423].
Space cooling/heating
operation control
See "6.3.10To connect the space cooling/
heating ON/OFF output"[424].
Changeover to
external heat source
control
See "6.3.11To connect the changeover to
external heat source"[424].
Power consumption
digital inputs
See "6.3.12To connect the power
consumption digital inputs"[425].
Safety thermostat See "6.3.13To connect the safety
thermostat (normally closed
contact)"[425].
Smart Grid See "6.3.14To connect a Smart
Grid"[425].
Item Description
Room thermostat
(wired or wireless)
In case of wireless room
thermostat, see:
▪ Installation manual of the wireless
room thermostat
▪ Addendum book for optional
equipment
In case of wired room thermostat
without multi-zoning base unit, see:
▪ Installation manual of the wired
room thermostat
▪ Addendum book for optional
equipment
In case of wired room thermostat
with multi-zoning base unit, see:
▪ Installation manual of the wired
room thermostat (digital or
analogue) + multi-zoning base unit
▪ Addendum book for optional
equipment
▪ In this case:
▪ You need to connect the wired
room thermostat (digital or
analogue) to the multi-zoning
base unit
▪ You need to connect the multi-
zoning base unit to the outdoor
unit
▪ For cooling/heating operation,
you also need option EKRELAY1
(relay; see addendum book for
optional equipment)
Wires: 0.75mm²
Maximum running current: 100mA
For the main zone:
▪ [2.9] Control
▪ [2.A] Thermostat type
For the additional zone:
▪ [3.A] Thermostat type
▪ [3.9] (read-only) Control