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1 Connect the main power supply.
In case of normal kWh rate power supply
X5M
X6YB
X2M
X6Y
X6YA
X1M
1 2 3
1 2 3
Legend: see illustration below.
In case of preferential kWh rate power supply
X5M
3 4
X6YB
X2M
X6YA
X1M
c
b
L N
1 2
S1S
L N
1 2 3
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, 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.
7.6.5
To connect the backup heater power
supply
The backup heater capacity can vary, depending on the indoor unit
model. 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
*9W
3 kW
1~ 230 V
6 kW
1~ 230 V
ERLQ004~008CAV3 + EHVH/X04+08S18CA + EHVH/X08S26CA
Daikin Altherma - Low Temperature Split
4P313775-1C – 2012.11
X1A X19A
30 31
a
X1A
X19A
X6Y
30 31
a
3
Power
Maximum
Z
(Ω)
max
running
current
13 A
—
13 A
—
26 A
(a)(b)
0.29
Backup
Backup
heater type
heater
supply
capacity
6 kW
3~ 230 V
6 kW
3N~ 400 V
9 kW
3N~ 400 V
(a) Equipment
complying
International Technical Standard setting the limits for harmonic
currents produced by equipment connected to public low-voltage
systems with input current >16 A and ≤75 A per phase.).
(b) This equipment complies with EN/IEC 61000‑3‑11 (European/
International Technical Standard setting the limits for voltage changes,
voltage fluctuations and flicker in public low-voltage supply systems
for equipment with rated current ≤75 A) provided that the system
impedance Z
is less than or equal to Z
sys
between the user's supply and the public system. It is the
responsibility of the installer or user of the equipment to ensure, by
consultation with the distribution network operator if necessary, that
the equipment is connected only to a supply with a system impedance
Z
less than or equal to Z
sys
1 Connect the backup heater power supply.
For *3V models, use a single pole fuse for F1B. For *9W
models, use a double pole fuse for F1B.
Backup heater
Connections to
type
(a)
backup heater power
supply
3 kW 1~ 230 V
F1B
(*3V)
L N
L N
3 kW 1~ 230 V
F1B
(*9W)
L
L
N
N
6 kW 1~ 230 V
(*9W)
6 kW 3~ 230 V
F1B
(*9W)
L1 L2 L3
L1 L2 L3
6 kW 3N~ 400 V
F1B
(*9W)
9 kW 3N~ 400 V
L1 L2 L3
L1 L2 L3
(*9W)
(a) For configuration of the backup heater, see "8.2.2 Quick wizard:
Standard" on page 43.
Special remark for fuses:
7 Installation
Power
Maximum
Z
(Ω)
max
running
current
15 A
(b)
—
8.6 A
—
13 A
—
with
EN/IEC
61000-3-12
(European/
at the interface point
max
.
max
Connections to
terminals
—
X6M
X7M
1 2 3 4
5
6 7 8
X6M
X7M
1 2 3 4
5
6 7 8
X6M
X7M
1 2 3 4
5
6 7 8
X6M
X7M
1 2 3 4
5
6 7 8
Installer reference guide
37
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