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Vallox 280 L, Technical Specifications, Page: 12 / 16

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Vallox 280 L Technical Specifications Download Page 12

VALLOX 280

CONTROL DIAGRAM, water-circulating post-heating unit

2

12

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

Pressure difference switch

INTERNAL ELECTRICAL AND CONTROL CONNECTIONS

Pressure difference switch

Electric preheating unit

SILENCER UNIT

REMOTE MONITORING CONTROL CENTRE OF THE PROPER

TY

ALARM

OPERA

TION MODE

CONTROL

MEASUREMENT

ADJUSTMENT

BOOSTER SWITCH / FIREPLACE SWITCH

CARBON DIOXIDE SENSOR  (5 A

T MOST)

CONTROL P

ANEL (3 A

T MOST)

CONTROL P

ANEL (2 A

T MOST)

VENTILA

TION ZONE

S

2

1

H

%RH

1

CO

2

%RH

1

LON

CONVER

TER

TE1

16

 A

230 V

DISTRIBUTION P

ANEL

VALLOX 280

TE2

F 5

F 7

PDS1

M

EF

TE4

HR2

G 3

TE3

FG

M

SF

TZ1

TZ2

LP1

G 3

PDS2

SV

LP2

Ljp

Ljm

HR1

Summary of Contents for 280 L

Page 1: ...ower 230 V 50 Hz 400 V 15 0 A preheating unit 11 A Class of protection IP 34 Weight Options Direct current fans Extract air Supply air 2 HR cells 70 Summer winter automation 2 5 kW 11 A 2 5 kW 11 A ca 5 kW G3 and F7 G3 206 kg DIGIT SED ELECTRONIC CONTROLLER WITH LCD DISPLAY VALLOX We reserve the right to make changes without prior notification TECHNICAL SPECIFICATION VALLOX 280 L VALLOX 280 R Mode...

Page 2: ...3 Condensing water tank Condensing water outlet Electrical connection lead ins Control panel Measurement outlets 2370 665 220 220 1100 187 222 282 222 187 1000 1370 Ø 250 4 PCS 10 9 8 7 6 5 4 3 2 1 A B C D 7 1 13 5 4 14 8 2 3 11 16 17 9 15 19 6 10 VALLOX 280 model L in the picture 18 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Post heating radiator Electric or water Preheating radiator Elec...

Page 3: ... dB LWA dB A Hz ADJUSTMENT POSITION AIR FLOWS supply extract A weighted sound pressure level dB A coming from the unit through the envelope to the rooms where the unit has been installed LpA dB A 2 128 l s 4 164 l s 6 202 l s 8 238 l s 2 171 l s 4 210 l s 6 242 l s 8 261 l s 2 119 171 l s 4 149 209 l s 6 177 239 l s 8 208 260 l s 45 50 53 55 84 73 70 54 49 48 38 28 84 64 86 76 74 57 51 51 42 31 87...

Page 4: ...tract G3 Medium frequency of the octave band Hz 63 125 250 500 1000 2000 4000 8000 LW dB LWA dB A Hz LpA dB A 2 99 l s 4 123 l s 6 159 l s 8 199 l s 2 136 l s 4 158 l s 6 186 l s 8 218 l s 2 122 151 l s 4 153 186 l s 6 183 215 l s 8 218 239 l s Volume flow rate Pressure loss in ducts Total pressure Air volumes SUPPLY G3 F7 EXTRACT G3 Supply extract air volumes VALLOX 280 silencer 42 47 50 53 68 51...

Page 5: ...n Humidity adjustment With this button you set humidity adjustment on and off When the indicator is lit the adjustment is on Post heating With this button you set post heating on and off When the indicator is lit post heating is on The summer function is active when the indicator is not lit 1 2 3 4 5 6 7 8 Fan speed Supply air temperature Post heating is on Filter guard alert Maintenance reminder ...

Page 6: ...lly When the first carbon dioxide sensor has been connected to the system the unit is switched on After this the unit gives the sensor an address Follow the same steps for other carbon dioxide sensors Surface mounting Wiring Cable NOMAK 2 x 2 x 0 5 mm2 0 5 mm2 Base plate of the CO2 sensor Electronics card of the CO2 sensor model may vary NOTE Faulty coupling of the wire destroys the carbon dioxide...

Page 7: ... 4 A 24 V 25 VA F MOTHERBOARD FUSE S MAINTENANCE SWITCH DOOR SWITCH LP1 ELECTRIC HEATER 2500 W PREHEATING OPTION LP2 ELECTRIC HEATING UNIT 2500 W POST HEATING OPTION SV WATER HEATING UNIT ACTUATOR POST HEATING UNIT OPTION TZ1 OVERHEAT PROTECTION 60 C TZ2 OVERHEATING PROTECTOR 95 C NEEDS TO BE ACKNOWLEDGED PDS1 SUPPLY AIR FILTER PRESSURE DIFFERENCE SWITCH OPTION PDS2 EXTRACT AIR FILTER PRESSURE DIF...

Page 8: ...ED WHEN THE FIRST HUMIDITY SENSOR IS CONNECTED TO THE UNIT ORANGE 1 WHITE 1 ORANGE 2 A WHITE 2 B METAL M HUMIDITY SENSOR 1 OPTION HUMIDITY SENSOR 2 OPTION CONNECTED TO REPLACE RESISTOR R CONNECTOR RH 1 AND RH1 S NOTE When VALLOX 280 is used with a PREHEATING UNIT and a WATER CIRCULATING POST HEATING UNIT L and L1 in the terminal block are looped There is then NO NEED for a separate supply for preh...

Page 9: ...eedless heating of outdoor air during summer The unit also has an automatic defrost function for the water post heating unit Defrost The automatic defrosting of the heat recovery cells intermittently stops the supply air fans when the temperature of exhaust air goes under the set threshold value In order to minimise momentary stoppages of the supply air fans the fan can also be equipped with an el...

Page 10: ...2 RH TE1 16 A 230 V DISTRIBUTION PANEL VALLOX 280 INTERNAL ELECTRICAL AND CONTROL CONNECTIONS TE2 F 5 TZ1 F 7 Pressure difference switch LP2 PDS1 M EF TE4 HR2 G 3 TE3 FG M SF TZ1 TZ2 LP1 TZ2 G 3 PDS2 1 2x16 A if resistance power exceeds 2 5 kW a separate supply is needed for preheating REMOTE MONITORING CONTROL CENTRE OF THE PROPERTY ALARM OPERATION MODE CONTROL MEASUREMENT ADJUSTMENT Electric pre...

Page 11: ...tor LP2 continues to heat Overheating protection of heating unit Overheating protection thermostats TZ1 and TZ2 monitor the surface temperature of hea ting units LP1 and LP2 If surface temperature exceeds the threshold overheat protection is triggered and power supply to the heating unit is stopped Overheat protector TZ1 is reset automatically and TZ2 manually Alarms Pressure difference switches P...

Page 12: ... Electric preheating unit SILENCER UNIT REMOTE MONITORING CONTROL CENTRE OF THE PROPERTY ALARM OPERATION MODE CONTROL MEASUREMENT ADJUSTMENT BOOSTER SWITCH FIREPLACE SWITCH CARBON DIOXIDE SENSOR 5 AT MOST CONTROL PANEL 3 AT MOST CONTROL PANEL 2 AT MOST VENTILATION ZONE S 2 1 H RH 1 CO 2 RH 1 LON CONVERTER TE1 16 A 230 V DISTRIBUTION PANEL VALLOX 280 TE2 F 5 F 7 PDS1 M EF TE4 HR2 G 3 TE3 FG M SF TZ...

Page 13: ...of the measurement data of outdoor temperature sensor TE3 outdoor air 0 C and supply air temperature sensor TE2 supply air 7 C thus preventing water heating unit LP2 from freezing A freezing alert appears in the display of the control panel The fans restart automatically as soon as the risk of freezing passes supply air 10 C Preheating unit overheat protection Overheating protection thermostats TZ...

Page 14: ...ure of the supply and extract air ductwork can be measured with a differential pressure instrument Pressure readings and air volume tables p 3 or 4 show volume flow rates at various adjustment positions The red measurement hose is on the pressure side and the black hose on the suction side of the fan Condensing water connections Water condensing from extract air going through the unit can be remov...

Page 15: ...detach the lamellar silencer plate in the supply air duct of the heater NOTE VALLOX 280 model L or R See the figure Lift the unit on top of VALLOX 280 Mount the lead in pipes included in the delivery for cables in place by pushing them first through the lead in seals located at the top of the silencer unit and then through the lead in seals in the VALLOX 280 unit Thread necessary cables through le...

Page 16: ...1 09 357E 22 01 07 PDF VALLOX We reserve the right to make changes without prior notification Vallox Oy FI 32200 Loimaa Finland Telephone 358 2 7636 300 Fax 358 2 7631 539 www vallox com ...

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