Daikin ETVH16SU23EA6V [15/44] Electrical installation

Daikin ETVH16SU23EA6V [15/44] Electrical installation
6 Electrical installation
Installation manual
15
ETVH16SU18+23EA6V
Daikin Altherma 3 H HT F
4P644729-1 – 2021.02
In case of… See…
Wired room thermostat
with multi-zoning base unit
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 to implement a relay
(field supply, see addendum book
for optional equipment)
6.3.1 To connect the main power supply
1 Open the following (see "4.2.1To open the indoor unit"[47]):
1 Top panel
1
2
3
2 User interface panel
3 Upper switch box cover
2 Connect the main power supply.
In case of normal kWh rate power supply
Interconnection cable (=main
power supply)
Wires: (3+GND)×1.5mm²
A
1 2 3
a
B
A
B
1 2 3
X2M
X1A
X11YA
X11YB
X11Y
X1M
a
a Interconnection cable (=main power supply)
In case of preferential kWh rate power supply
Interconnection cable
(=main power supply)
Wires: (3+GND)×1.5mm²
Normal kWh rate power
supply
Wires: 1N
Maximum running current: 6.3A
Preferential kWh rate
power supply contact
Wires: 2×(0.75~1.25mm²)
Maximum length: 50m.
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.
A
109
S1S
NL
56
1N~, 50 Hz,
230 V AC, 6.3 A
1 2 3
a b c
B
A
B
5 6
1 2 3
X2M
X1A
X11YA
X11YB
X11Y
X5M
9 10
X1M
a b c
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.

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