Vallox C3741, Manual

Page: 10 / 24

10
DIMENSIONS AND DUCT OUTLETS
INS
TALLA
TION
Air flow measurement points
1. A Supply air
2. B Extract air
Measurement points after the outlet collar. The fan curves indicate the
total pressure accounted for by duct losses.
Main parts
1. Extract air fan
2. Supply air fan
3. Fine filter for supply air
4. Heat recovery cell
5. Bypass damper of the HR
cell
R model in the figure.
In the L model, the parts are mirrored
6. Coarse filter for supply air
7. Coarse filter for extract air
8. Post-heating resistor
(in the supply air duct)
9. Safety switch
10. Internal humidity and
carbon dioxide sensor
Dimensions and duct outlets
Dimensions
Duct outlets
R model
Inner diameter of the female collar: 125mm
1. Supply air from the unit to the
apartment
2. Extract air from the apartment to the
unit
3. Exhaust air flowing outdoors from the
unit
4. Outdoor air to the unit
L model
Inner diameter of the female collar: 125mm
1. Exhaust air flowing outdoors from the
unit
2. Outdoor air to the unit
3. Supply air from the unit to the
apartment
4. Extract air from the apartment to the
unit
1
5
3
6
8
9
10
7
2
4
A
B
~ 596
125
136,5
461,5
154,5
443,5
238 122
598
104
322
484
2
4
1 3
598
53
502 449