Nibe ESV 22, Руководство по установке, Страница: 12 / 32

Electrical connection ACVM 270
NOTE
All electrical connections must be carried out by an
authorised electrician.
Electrical installation and wiring must be carried out
in accordance with the stipulations in force.
ACVM 270 must not be powered when installing ESV
22.
The electrical circuit diagram is at the end of these installation
instructions.
From ESV 22
Electrical
connection,
X6
EBV
AA22
AA22:X4
1. The accessory ACK 22 is installed according to the sup-
plied installation instructions.
2.
The sensors are connected by twin cables (for example
EKXX or LiYY) as follows for the load monitor card
(EBV–AA22) see image below:
Use the enclosed round pin sleeves for splicing between
the 2-cables and sensors BT2and BT3.
-AA22
EBV Control Card
>-EP21
Heating System 2 (Optional)
Temp. sensor supply line 2
Temp. sensor return 2
X4
The sensor used as flow sensor (EP21-BT2) is connec-
ted to terminal AA22:X4:7 and AA22:X4:8 in the
load monitor card's lower terminal block. -
The return line sensor (EP21-BT3) is connected to
terminal AA22:X4:5 and AA22:X4:6 on the same
card. -
3.
Connect valve actuator (EP21-QN25) as follows:
Brown cable (230 V signal) to spring terminal X6:7b -
White cable (230 V signal) to spring terminal X6:8a -
Blue cable (zero) to spring terminal X6:6b -
4. Connect circulation pump (EP21-GP20) as follows:
Blue cable (zero) to spring terminal –X6:6a -
Yellow/green cable (earth cable) to spring terminal
–X6:5a -
Brown cable (phase) to spring terminal –X6:4a -
7
8
6
4
5
3
2
1
Electrical
connection,
X6
White
Brown
Blue
Yellow/green
Brown
Temperature sensor installation
K
Install the temperature sensor with cable ties with the heat
conducting paste and aluminium tape.
Then insulate with supplied insulation tape.
NOTE
Sensor and communication cables must not be placed
near power cables.
ESV 22 12
GB