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VALLOX DIGIT2 SE/VKL/MLV

© VALLOX • We reserve the right to make changes without prior notification.

9

External electrical connection VALLOX DIGIT2 SE

VALLOX DIGIT2 SE

EXTERNAL ELECTRICAL DIAGRAM

LON CONVERTER
OPTION

NOTE!
Faulty coupling of the + wire
DESTROYS THE CONTROL PANEL.

CONTROL PANEL 1
ONE OR MORE, 1 AS STANDARD

NOTE!
Faulty coupling of the + wire
DESTROYS THE SENSOR.

CO2 SENSOR 1
ONE OR MORE
OPTION

HUMIDITY SENSOR %RH2
OPTION

THE FIRST SENSOR IS
CONNECTED TO REPLACE THE
R6k8 RESISTOR.

HUMIDITY SENSOR %RH1
OPTION

BLACK

= M

WHITE 2

=  B

ORANGE 2

=  A

WHITE 1

=  -

ORANGE 1

=  +

FAULT SIGNAL MAX.
1 A, 24 VDC
(POTENTIAL-FREE
CONTACTS)

FIREPLACE SWITCH

pressure switch

(self-resetting)

0-10 VDC

(10 VDC, 20 mA)

or

0-20 mA

REMOTE MONITORING

(SHORT-CIRCUIT WIRE HAS TO BE

REMOVED BEFORE CONNECTION)

CONNECTION BOX (on top of the unit)

FAN CONTROL

FIREPLACE

SWITCH

FAULT SIGNAL

RS-485 BUS

PLUG CONNECTION 10A/16 A
16 A WHEN THE UNIT IS EQUIPPED WITH ELECTRIC PRE- AND POST-HEATING
1.8 m FROM THE TOP OF THE UNIT

SOLENOID VALVE

CIRCULATION PUMP

CONTROL OF EXTERNAL SOLENOID VALVE
AND CIRCULATION PUMP IN MLV UNIT

Summary of Contents for Digit 2 SE Series

Page 1: ...Preheating unit MLV liquid radiator Post heating unit Electric 1200 W 5 2 A Filters Supply air G3 and F7 Extract air G3 Weight 71 kg Ventilation Control panel control adjustment options Week clock co...

Page 2: ...panel CO2 sensor option LON converter option Air flow measuring outlets behind cover plate Water radiator actuator valve Connection 12 MLV connection 10 cu 20 21 Supply air to the dwelling Extract air...

Page 3: ...plate You can measure the total pressure of the supply and extract air ductwork at the measurement outlets using a pressure gauge Compare the pressure readings with the air volume curves to see unit a...

Page 4: ...7 38 9 31 5 68 0 50 1 66 3 62 9 55 4 46 7 45 0 42 3 34 4 24 3 68 2 52 5 64 1 63 4 59 9 48 7 46 8 45 0 37 1 26 5 69 1 54 2 70 2 65 2 60 0 50 6 48 1 47 1 39 2 32 5 71 8 56 1 70 4 66 9 62 2 52 9 50 2 49...

Page 5: ...dicator is not lit 1 2 3 4 5 6 7 8 Fan speed 3 Supply air temperature 21 C Post heating is on Time Filter guard alert Maintenance reminder alert Fireplace booster switch on The fireplace booster switc...

Page 6: ...nnect them to the terminal block of the connection box by connec ting the first humidity sensor to RH1 in place of the 6K8resistor in the termi nal block remove the resistor in this ca se and the seco...

Page 7: ...dB LWA dB A 1 16 24 2 25 47 3 36 70 4 48 90 5 58 104 6 68 116 7 75 131 8 87 148 1 25 7 2 38 7 3 46 46 4 59 69 5 72 79 6 82 106 7 92 112 8 104 141 LpA dB A AP qV dm3 s AP supply extract dm3 s ED and SD...

Page 8: ...WITCH REMOTE MONITORING 1 10 2 3 4 5 6 7 8 9 1 10 16x0 25mm2 1 2 A 2 3 4 REMOTEMONITORING 0 10VDCor0 20mA ha ro L 6 7 FIREPLACESWITCH 6 va vi va ke R ke r r vi 7 5 7018800 2 1 N K K 1 2 r s m r 2N 1 2...

Page 9: ...SENSOR IS CONNECTED TO REPLACE THE R6k8 RESISTOR HUMIDITY SENSOR RH1 OPTION BLACK M WHITE 2 B ORANGE 2 A WHITE 1 ORANGE 1 FAULT SIGNAL MAX 1 A 24 VDC POTENTIAL FREE CONTACTS FIREPLACE SWITCH pressure...

Page 10: ...e loss in the valve 0 3 0 4 Liquid flow dm3 s 0 2 0 02 0 03 0 04 0 05 0 06 0 08 0 1 0 01 1 2 3 4 5 6 7 0 25 0 5 0 75 1 00 1 25 1 45 1 55 1 7 17 5 open Adjustment position Kv value Pressure loss p kPa...

Page 11: ...s 70 dm3 s 90 dm3 s 8 10 Radiator pressure loss kPa 10 5 15 20 25 0 0 06 liquid flow dm3 s 30 0 08 0 04 0 02 0 35 Performance of VALLOX DIGIT2 SE MLV heating cooling radiator MLV RADIATOR HEATING POWE...

Page 12: ...out prior notification CONTROL DIAGRAM ELECTRIC RADIATOR 12 Parts list VALLOX DIGIT2 SE electric radiator model TE1 Temperature sensor Exhaust air temperature Standard HR antifreeze Adjustment range 6...

Page 13: ...henever outdoor air temperature falls below the threshold set or when outdoor air is warmer than extract air Heat recovery antifreeze The control centre of the unit controls the operation of preheatin...

Page 14: ...reserve the right to make changes without prior notification CONTROL DIAGRAM VKL MODEL 14 Parts list VALLOX DIGIT2 SE VKL water radiator model TE1 Temperature sensor Exhaust air temperature Standard H...

Page 15: ...e sensors TE1 and TE3 preventing the risk of freezing and the intermittent stopping of supply air fan S If the power of preheating unit R2 is not enough or is not on the control centre intermittently...

Page 16: ...TION PANEL PLUG LON CONVERTER REMOTE MONITORING CONTROL CENTRE OF THE PROPERTY ALARM OPERATION MODE CONTROL MEASUREMENT ADJUSTMENT VENTILATION ZONE INTERNAL ELECTRICAL AND CONTROL CONNECTIONS POST HEA...

Page 17: ...sensor Automatic Adjustment range 1 99 99 Option Humidity control Adjustment interval 1 15 min 10 10 VALLOX We reserve the right to make changes without prior notification 17 PART LIST Parts list VAL...

Page 18: ...very antifreeze Controlling preheating in a liquid circulating MLV radiator is different from that in an electric preheating radiator The liquid radiator switches on based on the measurement data from...

Page 19: ...straight The outdoor air duct must be insulated against condensation also between the unit and the ceiling mounting plate Installation Lift the unit straight upwards till the locking wings on the sid...

Page 20: ...ivery Because of the risk of condensing the pump should be suitable for pumping liquid colder than the ambient temperature e g Grundfors UPS 25 60 180 model K MV Solenoid valve not included in the del...

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