To Connect The Backup Heater Power Supply - Daikin ETVZ16S23EA9W Installation Manual

B a
A
B
X1M
1 2 3
X11YA
X11Y
X1A
a Interconnection cable (=main power supply)
In case of preferential kWh rate power supply
Interconnection Wires: (3+GND)×1.5 mm²
cable (= main
power supply)
Normal kWh rate Wires: 1N
power supply
Maximum running current: 6.3 A
Preferential kWh Wires: 2×(0.75~1.25 mm²)
rate power supply
Maximum length: 50 m.
contact
Preferential kWh rate power supply
contact: 16 V DC detection (voltage
supplied by PCB). The voltage-free
contact shall ensure the minimum
applicable load of 15 V DC, 10 mA.
[9.8] Benefit kWh power supply
Connect X11Y to X11YB.
1 2 3
a
A
ETVZ16S18+23EA6V+9W
Daikin Altherma 3 H HT F
4P644730-1 – 2021.02
X11YB X2M
1N~, 50 Hz,
230 V AC, 6.3 A
S1S
L N
6 5
9 10
b c
B a
A
B
X1M
1 2 3
X11YA
X1A
a Interconnection cable (=main power supply)
b Normal kWh rate power supply
c Preferential power supply contact
3 Fix the cables with cable ties to the cable tie mountings.
INFORMATION
In case of preferential kWh rate power supply, connect
X11Y to X11YB. The necessity of separate normal kWh
rate power supply to indoor unit (b) X2M/5+6 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.
6.3.2 To connect the backup heater power
supply
Backup heater Power supply
type
*6V 1N~ 230 V (6V)
3~ 230 V (6T1)
*9W 3N~ 400 V
[9.3] Backup heater
WARNING
The backup heater MUST have a dedicated power supply
and MUST be protected by the safety devices required by
the applicable legislation.
CAUTION
To guarantee the unit is completely earthed, always
connect the backup heater power supply and the earth
cable.
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
*6V 2 kW 1N~ 230 V
4 kW 1N~ 230 V
6 kW 1N~ 230 V
2 kW 3~ 230 V
4 kW 3~ 230 V
6 kW 3~ 230 V
6 Electrical installation
b c
5 6
X11YB X2M
9 10
X11Y
X5M
Wires
2+GND
3+GND
4+GND
Power Maximum Z
max
running
current
(a)
9 A —
(a) (b)(c)
17 A 0.22 Ω
(a) (b)(c)
26 A 0.22 Ω
(d)
5 A —
(d)
10 A —
(d)
15 A —
Installation manual
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