Daikin EBLQ05+07CAV3 Installer's Reference Manual page 41

4 Inside the unit, route the wiring as follows:
a
a Low voltage wiring
b High voltage wiring + main power supply
5 Make sure that the cable does NOT come in contact with sharp
edges.
6 Install the switch box cover.
INFORMATION
When installing field supply or option cables, foresee
sufficient cable length. This will make it possible to remove/
reposition the switch box and gain acces to other
components during service.
CAUTION
Do NOT push or place redundant cable length in the unit.
7.8.6 To connect the main power supply
1 Connect the main power supply.
In case of normal kWh rate power supply
X6Y
A2P
X1A
X5M
X3M
1 GND
2 L
3 N
a Interconnection cable (=main power supply)
EBLQ05+07CAV3 + EDLQ05+07CAV3 + EKCB07CAV3 +
EK2CB07CAV3 + EKMBUHCA3V3 + EKMBUHCA9W1
Daikin Altherma low temperature monobloc
4P405544-1 – 2015.03
b
X6YA
X19A
1 2 3 X4M
a
1 2 3
In case of preferential kWh rate power supply
A2P
X1A
X5M
X3M
b
1 2
1 GND
2 L
3 N
a Interconnection cable (=main power supply)
b Normal kWh rate power supply
c Preferential power supply contact (on the control box)
INFORMATION
For the exact position of connectors X6Y, X6YA, and X6YB
in the switch box, refer to
(outdoor unit)" on page 93.
INFORMATION
In case of preferential kWh rate power supply, the
necessity of a separate normal kWh rate power supply to
the hydro part of the outdoor unit (b) X3M/5+6 depends on
the type of preferential kWh rate power supply.
A separate connection to the hydro part of the outdoor unit
is required:
▪ if preferential kWh rate power supply is interrupted
when active, OR
▪ if no power consumption by the hydro part of the
outdoor unit is allowed at the preferential kWh rate
power supply when active.
7.8.7 To connect the user interface
Connection to outdoor unit
INFORMATION
▪ If control box EKCB07CAV3 is NOT part of the system,
connect the user interface directly to the outdoor unit
according to the instructions below.
▪ If control box EKCB07CAV3 is part of the system,
connect the user interface to the control box. For
instructions, see "Connection to control box" below.
7 Installation
X2M
X6Y X6YB
10
X6YA 9
X19A
1 2 3 X4M
X8M
a c
1 2 3
S1S
"14.4.2 Components: Switch box
Installer reference guide
41