Nibe ERS 20-250, Installer Manual

Page: 15 / 28

The DIP switch (AA5-S2) must be set as follows.
ON
1
2
3
4
5
6
7
8
ERS 20 no. 2
ON
1
2
3
4
5
6
7
8
ERS 20 no. 1
ON
1
2
3
4
5
6
7
8
ERS 20 no. 4
ON
1
2
3
4
5
6
7
8
ERS 20 no. 3
Outside air sensor
When installing with an electrical preheater (EAH), dis-
connect the outdoor air sensor (BT23) in ERS 20.
The enclosed outdoor air sensor EAH is placed in the
outdoor air duct and connected to the accessory board
(AA5) according to the Installer Manual for EAH.
15 Chapter 5 | Electrical connection NIBE ERS 20-250