To Connect The Shut-Off Valve; To Connect The Electrical Meters - Daikin Altherma ERLQ004-006-008CA Reference Manual

7 Installation
# At the indoor unit
1 Connect the user interface cable to the indoor unit.
Fix the cable with cable ties to the cable tie mountings.
1 2
A2P
a
a Main user interface
b Optional user interface
2 Insert a screwdriver into the slots underneath the user
interface and carefully separate the faceplate from the
wallplate.
The PCB is mounted in the faceplate of the user interface.
Be careful NOT to damage it.
3 Fix the wallplate of the user interface
to the sheet metal of the unit.
Be careful NOT to distort the shape
of the backside of the user interface
by overtightening the mounting
screws.
4 Connect as shown in 4A.
5 Reinstall the faceplate onto the wallplate.
Be careful NOT to pinch the wiring when attaching the
frontplate to the unit.
(a) The main user interface is required for operation, but has to
be ordered separately (mandatory option).
Installer reference guide
36
In the room
X5M
A5P
A2P
b
(a)
Fix the wallplate of
the user interface to
the wall.
Connect as shown
in 4A, 4B, 4C or 4D.
4A From the rear
PCB
1×
a
b
4C From the top
a
b
PCB
1×
b
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.
7.9.10

To connect the shut-off valve

1 Connect the valve control cable to the appropriate terminals as
shown in the illustration below.
NOTICE
Wiring is different for a NC (normal closed) valve and a NO
(normal open) valve.
NO
6 7
X2M
5
K3M
X1M
K2M
M2S
2 Fix the cable with cable ties to the cable tie mountings.
7.9.11

To connect the electrical meters

INFORMATION
In case of an electrical meter with transistor output, check
the polarity. The positive polarity MUST be connected to
X5M/7 and X5M/9; the negative polarity to X5M/8 and
X5M/10.
1 Connect the electrical meters cable to the appropriate terminals
as shown in the illustration below.
4B From the left
PCB
1×
a
b
4D From the top centre
b
PCB
1×
b
NC
5 7
X2M
6
K3M
X1M
K2M
M2S
ERLQ004~008CA + EHVZ04+08S18CB
Daikin Altherma – Low temperature split
4P401676-1 – 2015.02
a