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 "6.3.2î˜To connect the main power
supply"î˜[4î˜16].
Power supply (backup
heater)
(in case of outdoor unit
with integrated backup
heater)
See "6.3.3î˜To connect the backup heater
power supply"î˜[4î˜18].
Backup heater kit +
Bypass valve kit
(in case of external
backup heater kit)
See "6.3.4î˜External backup heater
kit"î˜[4î˜18].
User interface See "6.3.5î˜To connect the user
interface"î˜[4î˜21].
Shut-off valve See "6.3.6î˜To connect the shut-off
valve"î˜[4î˜22].
Electricity meters See "6.3.7î˜To connect the electricity
meters"î˜[4î˜23].
Domestic hot water
pump
See "6.3.8î˜To connect the domestic hot
water pump"î˜[4î˜23].
Alarm output See "6.3.9î˜To connect the alarm
output"î˜[4î˜23].
Space cooling/heating
operation control
See "6.3.10î˜To connect the space cooling/
heating ON/OFF output"î˜[4î˜24].
Changeover to
external heat source
control
See "6.3.11î˜To connect the changeover to
external heat source"î˜[4î˜24].
Power consumption
digital inputs
See "6.3.12î˜To connect the power
consumption digital inputs"î˜[4î˜25].
Safety thermostat See "6.3.13î˜To connect the safety
thermostat (normally closed
contact)"î˜[4î˜25].
Smart Grid See "6.3.14î˜To connect a Smart
Grid"î˜[4î˜25].
Item Description
Room thermostat
(wired or wireless)
In case of wireless room
thermostat, see:
â–ª Installation manual of the wireless
room thermostat
â–ª Addendum book for optional
equipment
In case of wired room thermostat
without multi-zoning base unit, see:
â–ª Installation manual of the wired
room thermostat
â–ª Addendum book for optional
equipment
In case of wired room thermostat
with multi-zoning base unit, see:
â–ª Installation manual of the wired
room thermostat (digital or
analogue) + multi-zoning base unit
â–ª Addendum book for optional
equipment
â–ª In this case:
â–ª You need to connect the wired
room thermostat (digital or
analogue) to the multi-zoning
base unit
â–ª You need to connect the multi-
zoning base unit to the outdoor
unit
â–ª For cooling/heating operation,
you also need option EKRELAY1
(relay; see addendum book for
optional equipment)
Wires: 0.75î˜mm²
Maximum running current: 100î˜mA
For the main zone:
â–ª [2.9] Control
â–ª [2.A] Thermostat type
For the additional zone:
â–ª [3.A] Thermostat type
â–ª [3.9] (read-only) Control