7 Installation
Installer reference guide
43
EKCB
EK2CB EKMBU EKMBUHCA9W1
Daikin Altherma low temperature monobloc
4P405544-1 – 2015.03
#
Onto control box
In the room
4
Fix the wall plate of the user interface
to the front panel of the control box
using the M4 bolts and nuts from the
accessory bag.
Be careful NOT to distort the shape
of the backside of the user interface
by overtightening the mounting
screws.
2×
2
4
3
1
2×
Fix the wall plate of
the user interface to
the wall.
When NOT
connecting a user
interface to the
control box, do NOT
remove the plugs
from the holes in the
front plate.
5
Connect as shown in 4A.
Connect as shown
in 4A, 4B, 4C or 4D.
6
Reconnect the faceplate to the wall plate.
Be careful NOT to pinch the wiring when connecting the
front panel to the control box.
(a)
The main user interface is required for operation, but has to
be ordered separately (mandatory option).
4A From the rear
b
a
PCB
1×
4B From the left
a
PCB
b
1×
4C From the top
a
b
PCB
b
1×
4D From the top centre
a
PCB
b
b
1×
a
Notch this part for the wiring to pass through with nippers
etc.
b
Secure the wiring to the front part of the casing using the
wiring retainer and clamp.
7.8.8
To connect the shut-off valve
1
Connect the valve control cable to the appropriate terminals as
shown in the illustration below.
NOTICE
Only connect NO (normal open) valves.
NO
X5M
X4M
X3M
M2S
2
1
INFORMATION
By default, the shut‑off valve is to be connected to the
outdoor unit. However, if control box EKCB07CAV3 is
present in the system, you can also connect it to the
control box. To do this, connect outdoor unit terminals
X3M/1+2 to control box terminals X8M/6+7, and then
connect the shut‑off valve to control box terminals
X8M/6+7.
▪
X2M
X8M
6 7
X5M
X3M
M2S
1
2
7.8.9
To connect the domestic hot water pump
1
Connect outdoor unit terminals X3M/3+4 to the bottom side of
terminals X8M/8+9 of control box EKCB07CAV3.
2
Connect the cable of the domestic hot water pump to the
bottom side of control box terminals X8M/8+9.
X2M
X8M
8 9
1~
M
M2P
X5M
X3M
3
4
Summary of Contents for EK2CB07CAV3
Page 121: ......
