System Overview Of Field Wiring; Connection Of The Indoor Unit Power Supply And Communication Cable(S) - Daikin EKHVWQ002AAV3 Installation Manual

9.3. System overview of field wiring
Field wiring on the unit side is to be made on the terminal block inside
the switch box. To gain access to the terminal blocks, remove the
switch box service panel. Refer to the unit switch box cover for
instructions how to remove this panel and gain access to the inside of
the switch box.
INFORMATION
The electrical connection diagram can be found on the
inside of the switchbox cover Install the power supply cable
and communication cable at least 1 meter away from
televisions or radios to prevent image interference or noise.
Depending on the radio waves, a distance of 1 meter may
not be sufficient to eliminate the noise.
Connection of the indoor unit power supply and
communication cable(s)
Cable requirements
Item Description
1 HV Power supply
2 LV Remote controller
(P1/P2)
3 LV Domestic hot water
tank thermistor
4 LV Benefit kWh rate power
supply signal
5 HV Booster heater
6 HV Booster heater safeties
HV = High voltage
LV = Low voltage
CAUTION
Select all cables and wire sizes in accordance with relevant
local and national regulations.
DANGER
After finishing the electric work, confirm that each electric
part and terminal inside the electric parts box is connected
securely.
EKHVWQ002AAV3 + EKHHS200+260AA1V3
Domestic hot water heat pump
4PW65342-1A – 10.2010
Required
number of Maximum running
conductors current
2+GND Refer to the nameplate
2 Minimum cable section
2
0.75 mm
2 This device and
connection cable are
delivered with the
domestic hot water tank
module
2 Minimum cable section
2
0.75 mm
2+GND Minimum cable section
2
0.75 mm
2 Minimum cable section
2
0.75 mm
Procedure
1 Open the unit as described in
2 Open the switch box cover as shown in the figure.
2x
3 Using the appropriate cable, connect the power supply and
communication cable(s) to the appropriate terminals as shown
on the wiring diagram and according to the figure below.
X3M
9 10 11 12 13 14
A B
X3M
9 10 11 12 13 14
S1S
A2P
-t°
R7T
P1 P2
User Interface
*KHHS(200/260)AAV3
A B C
LV
NOTICE
When wiring, route the cable bundles that are outside
the unit away from each other by at least 25 mm in
order to avoid receiving electric noise (external
noise).
"Opening the unit" on page
X2M
1 2 3 4 L N
C D E
X2M
1 2 3 4 L N
Q1DI
Q2L
F1T
E1H L N
1~50 Hz 220-240 VAC
*KHHS(200/260)AAV3
power supply
D E
HV
Installation manual
25.
13