12
4.6
Connections
4.6.1
Ducting
Position
Description
Symbol
A
Connection supply air
B
Connection exhaust air
C
Connection outdoor air
D
Connection extract air
1
Fan supply air
2
Fan extract air
3
Filter supply air
4
Filter extract air
5
Heat exchanger
6
Electrical connection box
7
Damper by-pass outdoor air
8
Pressure transmitter fans (accessory)
9
Pressure guard filter
10
Re-heater battery
11
Airflow guard (only EL units)
12
Differential pressure sensor – deicing
131677 | A004