Nibe AXC 30 User Manual

ELECTRICAL CONNECTION
NOTE
Read section "Common electrical connection"
for instructions regarding electrical connection.
CONNECTION OF SENSORS AND EXTERNAL
ADJUSTMENT
Supply temperature sensor, extra climate system
(EP21-BT2)
Connect the supply temperature sensor to AA5-X2:23-
24.
24 23 22 21 20 19 18 17 16 15 14 13
AA25
External
BT2
AA5-X2
Return line sensor, extra climate system
(EP21-BT3)
Connect the return line sensor to AA5-X2:21-22.
24 23 22 21 20 19 18 17 16 15 14 13
AA25
External
BT3
AA5-X2
Room sensor, extra climate system (EP21-BT50)
(optional)
Connect the room sensor to AA5-X2:19-20.
24 23 22 21 20 19 18 17 16 15 14 13
AA25
External
BT50
AA5-X2
External supply temperature sensor (AA35-BT25)
Sensor (BT25) must be connected in the main product.
See the Installer Manual for the main product.
External return line sensor (AA35-BT71)
Sensor (BT71) must be connected in the main product.
See the Installer Manual for the main product.
External adjustment (optional)
A potential-free switch can be connected to AA5-X2:17-
18 for external adjustment of the climate system.
24 23 22 21 20 19 18 17 16 15 14 13
AA25
External
AA5-X2
External adjustment
Caution
The relay outputs on the accessory board can
have a max load of 2A (230V) in total.
CONNECTION OF THE CIRCULATION PUMP
(EP21-GP10)
Connect the external heating medium pump (GP10) to
AA5-X9:7 (N), AA5-X9:8 (230 V) and X1:PE.
Connect 0-10V control signal for heating medium pump
(GP10) to AA5-X2:5(0-10V) and AA5-X2:6(GND)
1
2
3
4
5
6
7
8
9
5 4 367891011
AA5-X9
AA5-X2
1
M
2
1
AA25-X1
AA25 External
GP10
Pump speed EP21-GP10
approx. 0 V DC100 %
approx. 5 V DC50 %
approx. 10 V DC0 %
AXC 30 S-series | GB18
S

Nibe AXC 30 Specifications

General

Brand	Nibe
Model	AXC 30
Category	Cables and connectors
Language	English