background image

Low-energy ventilation 

unit with heat recovery

© Vallox
1.09.420 EN
14.5.2013

Vallox

121

MC

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)

11  Adjustment of the relationship 

 

between supply and extract air

12  Adjustment of post-heating
13  Speed selector switch 

 

(1–4, option)

13

Code 

3561

Models

VALLOX 121 MC R

VALLOX 121 MC L

Operating, maintenance and technical instructions

10

1

2

3

4

5

6

11

12

8

7

9

Electrical connection  

230V 50Hz = 5.7A

Degree of protection provided by enclosures  IP 34
Fans 

Extract air 

0.119 kW 0.9A  105 dm³/s  50Pa

direct current (DC)  Supply air 

0.119 kW 0.9A  101 dm³/s  50Pa

Heat recovery 

 

Cross-counter fl ow heat recovery cell, 

η

 >80%

Heat recovery bypass 

Automatic

Electric post-heating unit 

900 W, 3.9 A 

Fans 

Supply air 

G4 and F7

 

Extract air 

G4

Weight 

 

60 kg

Ventilation control   

Simple Control controller (option)

 

 

PTXPA Slim-Line SC cooker hood (option)

 

 

Fireplace switch (option)

TECHNICAL DATA

The fi gure shows the R model

Summary of Contents for 121 MC Series

Page 1: ...ch 1 4 option 13 Code 3561 Models VALLOX 121 MC R VALLOX 121 MC L Operating maintenance and technical instructions 10 1 2 3 4 5 6 11 12 8 7 9 Electrical connection 230V 50Hz 5 7A Degree of protection...

Page 2: ...etached houses The factory setting is normal winter function for dwellings and detached houses Adjustment of the relationship between supply and extract air This feature may be useful when adjusting a...

Page 3: ...eck the cleanliness of the heat recovery cell D at one year intervals NOTE The laminas of the cell are very thin and get easily damaged The correct way of removing the cell is to put your hands behind...

Page 4: ...fore the beginning of the heating season make sure that the condensing water outlet L in the bottom tank is not clogged You can check it by pouring a little water in the tank Clean if needed Do not le...

Page 5: ...DJUSTMENT POSITION AIR FLOW dm3 s Adjustment position 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 2 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 2 Air flow dm3 s 17 2 29 4 39 8 51 1 65 6 73 1 78 9 91 6 25 2 35 5 44 9 56 3 61...

Page 6: ...ating PHL Phase voltage to additional heater PHN Zero voltage to additional heater BL Damper motor phase A BL1 Damper motor phase B BN Zero voltage to damper motor E I Input voltage to fault signal re...

Page 7: ...adily and tightly to the relevant outlets Note Unit models L R Implement duct insulation if needed as defined in the ventilation plan 162 12 21 20 60 20 30 30 20 60 11 20 30 30 11 84 84 35 30 35 7 550...

Page 8: ...Vallox 121MC VALLOX We reserve the right to make changes without prior notice What the units include can vary depending on the sales area 1 09 420F 14 5 2013 PDF...

Reviews: