3.2 Function diagram
1
2
3
5
24
25
26
4
6
21
22
23
9
8
20
19
10
16
17
14
11
12
13
15
18
7
■
1
Fresh air
■
2
Fresh air filter with differential pressure switch
■
3
Temperature sensor air inlet ER (optional)
■
4
Fresh air damper with actuator
■
5
Bypass damper with actuator
■
6
Plate heat exchanger
■
7
De-icing switch for plate heat exchanger (only in ColdClimate design)
■
8
Temperature sensor air outlet ER (optional)
■
9
Supply air fan with flow monitoring
■
10
Heating coil
■
11
Diaphragm expansion vessel
■
12
Safety valve
■
13
Heating pump
■
14
Return temperature sensor
■
15
Condensing gas boiler
■
16
Air-Injector with actuator
■
17
Supply air temperature sensor
■
18
Supply air
■
19
Extract air
■
20
Extract air filter with differential pressure switch
■
21
Extract air temperature sensor
■
22
Extract air damper with actuator
■
23
Recirculation damper (opposed to the extract air damper)
■
24
Exhaust air temperature sensor
■
25
Exhaust air fan with flow rate monitoring
■
26
Exhaust air
Fig. 3: RoofVent
®
KG function diagram
8
RoofVent
®
KG
Operating instructions
Construction and operation
4 220 755-en-00
4 220 755-en-00
