To Connect The Main Power Supply; To Connect The Backup Heater Power Supply; To Connect The User Interface - Daikin Altherma ERLQ004-006-008CA Reference Manual

CAUTION
Do NOT push or place redundant cable length in the unit.
7.9.7

To connect the main power supply

1 Connect the main power supply.
In case of normal kWh rate power supply
X5M
A5P
Legend: see illustration below.
In case of preferential kWh rate power supply
Connect X6Y to X6YB.
X5M
3 4
A5P
c
S1S
a Interconnection cable (=main power supply)
b Normal kWh rate power supply
c Preferential power supply contact
2 Fix the cable with cable ties to the cable tie mountings.
INFORMATION
In case of preferential kWh rate power supply, connect
X6Y to X6YB. The necessity of separate normal kWh rate
power supply to indoor unit (b) X2M30/31 depends on the
type of preferential kWh rate power supply.
Separate connection to the indoor unit is required:
▪ if preferential kWh rate power supply is interrupted
when active, OR
▪ if no power consumption of the indoor unit is allowed at
the preferential kWh rate power supply when active.
ERLQ004~008CA + EHVZ04+08S18CB
Daikin Altherma – Low temperature split
4P401676-1 – 2015.02
X1A X19A
X6YB
X2M
30 31
X6Y
X6YA
X6YA
K3M
K2M
X1M
a
1 2 3
1 2 3
X1A X19A
X6Y
X6YB
X2M
30 31
K3M
K2M
X1M
b a
L N 1 2 3
L N 1 2 3
7.9.8 To connect the backup heater power
supply
CAUTION
To guarantee the unit is completely earthed, always
connect the backup heater power supply and the earth
cable.
Make sure that the power supply is in accordance with the backup
heater capacity, as listed in the table below.
Backup Backup
heater type heater supply
capacity
*3V 3 kW 1~ 230 V
1 Connect the backup heater power supply. A double‑pole fuse is
used for F1B.
Backup heater type Connections to backup heater power
3 kW 1~ 230 V (*3V)
2 Fix the cable with cable ties to the cable tie mountings.
7.9.9

To connect the user interface

▪ If you use 1 user interface, you can install it at the indoor unit (for
control close to the indoor unit), or in the room (when used as
room thermostat).
▪ If you use 2 user interfaces, you can install 1 user interface at the
indoor unit (for control close to the indoor unit) + 1 user interface
in the room (used as room thermostat).
INFORMATION
The user interface can only be used as room thermostat of
the main zone.
The procedure differs slightly depending on where you install the
user interface.
7 Installation
Power Maximum Z (Ω)
max
running
current
13 A —
supply
F1B
L L N N
X2M
X1M
Installer reference guide
35