Installation manual
8
E260AC
Domestic hot water tank for air to water heat pump system
4PW64052-1 – 08.2010
9
Connect the thermistor wire to the indoor unit switch box. Make
sure power supply is switched off. Refer to the wiring diagram
delivered with the indoor unit.
■
For EKHBRD and EKHVMR/YD units only
■
For EKHVH/X units only
The distance between the thermistor cable and power supply
cable must always be at least 25 mm to prevent electromagnetic
interference on the thermistor cable.
1
Plug the thermistor cable connector in the socket X11A
( EKHVMR/YD (A3P)) or X9A (EKHVH/X (A1P))
on the PCB.
2
Fix the cables to the cable tie mountings with cable ties to
ensure strain relief.
3
When routing out cables, make sure that these do not
obstruct mounting of the indoor unit cover.
Note: only relevant field wiring is shown.
■
For EKHBRD indoor units only.
X11A
A3P
BLU
BLK
BRN
N Y L
3-way
valve
X2M
3 4 5
>25 mm
1~
BLU
BLK
BRN
N Y L
3-way
valve
X2M
3 4 5
>25 mm
X11A
A3P
3~
4PW64052-1_digital_EN.book Page 8 Monday, August 30, 2010 8:48 AM
