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6

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.

1

2

3

4

5

6

7

8

9

1
2

3
4
5

LINE

NEUTRAL

SLI

SNI

SLO

SNO

SFL

SFN

EFL

EFN

FSO

FSI

AHL
AHN

PHL

PHN

230V 50Hz

BL1

BL

BN

E/I

E/O

1 2 3 4

LED

90

°

C

130

°

C

R1

T1

T2

7022800

M

1 2 3 4

LED

-

+

S

LINE:  

Phase voltage

NEUTRAL:   Zero voltage
SLI:     

Phase voltage to safety switch

SNI:    

Zero voltage to safety switch

SLO:   

Phase voltage to circuit board from safety switch

SNO:   

Zero voltage to circuit board from safety switch

SNO:    

Phase voltage to supply air fan

SFN:    

Zero voltage to supply air fan

EFL:    

Phase voltage to extract air fan

EFN:   

Zero voltage to extract air fan

FSO:   

Input to fireplace switch

FSI:    

Fireplace switch output

AHL:  

Phase voltage to post-heating

AHN:   

Zero voltage to post-heating

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 relay

E/O:   

Fault signal relay output

DIP switch

Up 

Down

1. Post-heating

Electric 

VKL

2. Additional heating Electric 

MLV

3. Unit type 

Bypass 

Input fan stopped

4. Winter function 

Normal 

Wet

Electrical diagram

TECHNICAL DATA

Supply 

air fan

Post-heating electric 

radiator 900W

Fireplace switch

Belimo damper 

motor 230 VAC

Protective ground to 

a separate bloc

k

Extract air NTC 
Outdoor air NTC 
Supply air to the dwelling NTC 
Exhaust air NTC 
Supply air from the cell NTC 
    Adjustment of freezing level

9. GND / -
8.
7.
6. GND / -
5.
4.
3. GND / -
2. 11.2  VDC / +
1. 

FAULT SIGNAL

Adjustment of post-heating

DIP switch

PWM level adjustment

Programming 

connector

An external 0–10 Vdc voltage input can be introduced 

between control signal S and GND signal for fan control.

External controller or cooker hood

Safety/door switch

Extract 

air fan

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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