EKEX EKEXDCBAV3
Option kit for combination of Daikin condensing units
with field supplied evaporators
4PW30903-1
Installation and operation manual
4
Electrical work
1
Open the electrical box cover (A).
2
Push out
ONLY
the second lower wire intake hole (B) from
inside to outside. Do not damage the membrane.
3
Pass valve cable (with wires Y1 ... Y6) from the control box
through that membrane wire intake hole and connect the cable
wires into the terminal connector (C) following instructions as
described in step 4. Route the cable out of the valve kit box
according to figure below and fix with the tie wrap (D). See
"Electric wiring work" on page 4
for more details.
4
Use a small screwdriver and follow indicated instructions for
connecting cable wires into the terminal connector according to
the wiring diagram.
5
Make sure that field wiring and insulation is not squeezed when
closing the valve kit box cover.
6
Close the valve kit box cover (4x M5).
I
NSTALLATION
OF
THE
ELECTRICAL
CONTROL
BOX
(See
figure 4
and
figure 6
)
Mechanical installation
1
Fix the control box with its hanger brackets to the mounting
surface.
Use 4 screws (for holes of Ø6 mm).
2
Open the lid of the control box.
3
For electrical wiring: refer to paragraph
"Electric wiring work" on
page 4
.
4
Install the screw nuts.
5
Close the unnecessary openings with stoppers (closing cups).
6
Close the lid securely after installation to ensure that the control
box is watertight.
E
LECTRIC
WIRING
WORK
■
All field supplied parts and materials and electric works must be
conform to local codes.
■
Use copper wire only.
■
All wiring must be performed by an authorized electrician.
■
A main switch or other means for disconnection, having a
contact separation in all poles, must be incorporated in the fixed
wiring in accordance with relevant local and national legislation.
■
Refer to the installation manual attached to the outdoor unit for
the size of power supply electric wire connected to the outdoor
unit, the capacity of the circuit breaker and switch, wiring and
wiring instructions.
Connection of the wires inside the control box
1
For connection to outdoor unit and to controller (field supply):
Pull the wires inside through the screw nut and close the nut
firmly in order to ensure a good pull relieve and water protection.
2
The cables require an additional pull-
relief. Strap the cable with the installed
tie wrap.
A C
D
B
4
1
2
3
1
Control box
2
Hanger brackets
3
Main PCB
4
Transformer
5
Terminal
6
PCB (for voltage conversion)
7
PCB (power supply)
8
Magnetic relay (operation / compressor ON/OFF)
9
Magnetic relay (error status)
10
Optional PCB (KRP4)
