Low-energy ventilation unit
with heat recovery
© Vallox
1.09.413E
14.5.2013
1 Extract air fan
2 Supply air fan
3 Post-heating radiator
(electric 900 W)
4 Heat recovery cell
5 Outdoor air fi lter F7
6 Outdoor air fi lter G4
7 Extract air fi lter G4
8 Automatic summer/winter damper
9 Safety switch
10 Measurement outlets
(behind an opening door)
13 Control panel Digit SED
14 Carbon dioxide sensor (option)
15 Humidity sensor (option)
• Can replace MUH-Ilmava
100/120 from 1983–2004
without ductwork alteration
Code
A3560
Models
VALLOX 121 SE R
VALLOX 121 SE L
Electrical connection
230 V, 50 Hz,
≈
5.7 A
Degree of protection provided by enclosures
IP 34
Fans direct current Extract air 0.117 kW 0,9 A
106 dm
3
/s 100 Pa
(DC)
Supply air 0.117 kW 0,9 A
104 dm
3
/s 100 Pa
Heat recovery
Cross-counter fl ow cell,
η
>80 %
Heat recovery bypass
Automatic
Electric post-heating unit (standard)
900 W 3.9 A
Fans
Supply air
G4 and F7
Extract air
G4
Weight
60 kg
Ventilation power adjustment
– Digit SED controller
– CO
2
and %RH control
– remote monitoring control (voltage signal)
Options
– CO
2
sensor
– % RH sensor
TECHNICAL DATA
Operating, maintenance and technical instructions
10
13
14
15
1
2
3
4
5
6
8
7
9
The fi gure shows
the R model
Vallox
121
SE
