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5

Vallox

121

MC

© VALLOX • We reserve the right to make changes without prior notice.
What the units include can vary depending on the sales area.

Dimensions and duct outlets

Duct outlets

Inner diameter of female  

outlet collar
1. Supply air to the dwelling
2. Extract air from the dwelling  

 to the unit

3. Outdoor air to the unit
4. Exhaust air out

Measuring points

Measuring points after the connection outlet.
Fan curves indicate the total pressure available 

for duct losses.

Input powers of fans

Fan control 

voltage  

(V)

Extract  

air flow  

(l/s)

Combined 

input power 

of fans  

W

4

25

18

5

36

27

6

45

37

7

56

56

8

70

81

9

83

116

10

93

159

11.2

104

215

Supply/extract air flows

Sound values

P = Extract air fan 
T = Supply air fan

Input power (total) (W) 
Air flow (max) (dm

3

/s)

SFP =

SFP (Specific Fan Power) recommended value <2.5 (kW m

3

/s)

At a lower total pressure, SFP will be smaller at the same speed

Sound power level in supply air duct (one duct) 

by octave band L

W

, dB

Sound power level in extract air duct (one duct)  

by octave band L

W

, dB

ADJUSTMENT POSITION/AIR FLOW dm

3

/s

ADJUSTMENT POSITION/AIR FLOW dm

3

/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 dm

3

/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

61.9

75.6

82.6

94.5

Medium 

frequen-

cy of the 

octave 

band Hz

63

63

72

73

77

80

83

84

87

51

54

57

60

64

64

68

71

125

53

59

63

66

69

73

75

79

44

48

51

55

59

62

64

67

250

45

50

53

57

62

65

68

70

38

41

43

49

53

56

58

60

500

40

45

47

51

55

58

61

63

26

32

34

38

42

45

48

50

1000

39

46

49

54

57

59

60

62

22

27

30

34

37

39

42

43

2000

32

40

45

51

55

58

61

64

*

18

22

27

31

34

36

39

4000

18

29

35

41

46

50

52

55

*

*

*

14

19

24

27

29

8000

*

*

22

31

38

42

45

49

*

*

*

*

*

*

*

*

L

W

,dB 

L

WA

, dB(A)

63

72

73

78

80

83

85

88

52

55

58

61

65

67

70

73

44

51

55

59

63

65

68

70

32

36

39

44

47

50

53

55

Sound pressure level coming from the unit through  

the envelope in the rooms where the unit has been installed  

(10m

2

 sound absorption)

Vallox 121 MC 

ADJUSTMENT POSITION/AIR FLOW dm

3

/s

4.0

5.0

6.0

7.0

8.0

9.0

10.0

11.2

24/26 33/34 40/42 50/51 62/62 71/71 82/82 92/92

L

pA

, dB (A)

26

30

32

35

40

42

45

47

Pressure loss in ducts. T

otal pressure

TECHNICAL DATA

70 mm installation space

Model: L

Model: R

The figure shows the R model

Extract air

Supply air

E

S

Recommended 

operating range

Volume flow rate

Содержание 121 MC Series

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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