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Vallox 280 L Technical Specifications
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Vallox 280 L Technical Specifications

Vallox 280 L Technical Specifications

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DIGIT
ELECTRONIC CONTROLLER
WITH LCD DISPLAY
• For dwelling- and room-specific ventilation
• Good heat recovery efficiency
• Supply and extract air ventilation with heat
recovery
• Electronic control panel with LCD display
• Week clock control as a standard feature
• Humidity control (option)
• Carbon dioxide control (option)
• Maintenance reminder
• Fireplace / booster switch function
• Good filtering
• Summer / winter automation
• Fixed air flow measuring outlets
Models:
VALLOX 280 L
VALLOX 280 R
© VALLOX • We reserve the right to make changes without prior notification.
SED
Input power
Class of protection
Extract air
520 W 3.2 A
Direct current fans
Supply air
520 W 3.2 A
Heat recovery
Heat recovery bypass
Electric preheating radiator
Electric post-heating radiator
Water post-heating radiator
Supply air
Filters
Extract air
Weight
Ventilation adjustment options
Options
• 1.09.357E
• 22.01.07
© VALLOX
Code 3487
230 V, 50 Hz, 400 V, 15.0 A
(+ preheating unit 11 A)
IP 34
3
290 dm
/s 100 Pa
3
240 dm
/s 100 Pa
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
– control via control panel
(DIGIT SED)
– CO
and %RH control
2
– remote monitoring control
(LON converter)
– remote monitoring control
(voltage / current signal)
– silencer
– electric preheating radiator
– electric post-heating radiator
– water post-heating radiator
– CO
sensor
2
– %RH sensor
– pressure difference switch
– LON converter
– extract air filter F5

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Summary of Contents for Vallox 280 L

  • Page 1 – electric preheating radiator – electric post-heating radiator – water post-heating radiator – CO sensor – %RH sensor – pressure difference switch – LON converter – extract air filter F5 © VALLOX • We reserve the right to make changes without prior notification.
  • Page 2 - CO sensor - LON controller - LON controller Connection cable Connection cable - humidity sensor - humidity sensor - remote monitoring - remote monitoring control © VALLOX • We reserve the right to make changes without prior notification.
  • Page 3 ADJUSTMENT POSITION / AIR FLOWS (supply / extract) 119/171 l/s 149/209 l/s 177/239 l/s 208/260 l/s , dB(A) LpA = A-weighted sound pressure level (10 m sound absorption) © VALLOX • We reserve the right to make changes without prior notification.
  • Page 4 Fan curves indicate the total pressure available for duct losses. Volume flow rate VALLOX 280 + silencer, Sound values / VALLOX 280 + silencer, supply G3 + F7, extract G3 supply G3 + F7, extract G3 Fan speeds Sound power level from the ventilation unit...

  • Page 5: Control Panel

    CONTROL PANEL Control VALLOX 280 can be controlled with the control panel coming with the unit (3 at most) and with optional CO (5 at most) and %RH sensors (2 at most). Fan speeds of the unit can be controlled via remote monitoring with a voltage or current signal.
  • Page 6 3 = orange 2 4 = white 2 5 = metal = signal ground Base plate of the CO sensor Electronics card of the CO sensor (model may vary) © VALLOX • We reserve the right to make changes without prior notification.
  • Page 7 PDS1 = SUPPLY AIR FILTER PRESSURE DIFFERENCE SWITCH (OPTION) TR = TRANSFORMER 230 V 4 A / 24 V 25 VA PDS2 = EXTRACT AIR FILTER PRESSURE DIFFERENCE SWITCH (OPTION) F = MOTHERBOARD FUSE © VALLOX • We reserve the right to make changes without prior notification.

  • Page 8: External Electrical Connections

    VAK S and VAK GND is disconnected. PDS S PDS + FAULT FAULT BOOSTER SWITCH VAK S VAK GND %RH-2/+ %RH-2/S %RH-1/+ %RH-1/S NOMAK 2x2x0.5+0.5 16 A 16 A © VALLOX • We reserve the right to make changes without prior notification.
  • Page 9 VKL WATER RADIATOR PRESSURE LOSS IN WATER CIRCULATION Water flow dm Defined for 100-% water. Radiator + valve (KVS 1.0) Radiator Air flow Cooling of water in the radiator ˚C Water flow © VALLOX • We reserve the right to make changes without prior notification.
  • Page 10 VALLOX 280 CONTROL DIAGRAM, electric post-heating unit © VALLOX • We reserve the right to make changes without prior notification.
  • Page 11 TE4, preventing freezing alerts and the stopping of supply air fan SF. If of heating unit LP1/LP2 the power of preheating unit LP1 is not sufficient, the control centre keeps stopping supply © VALLOX • We reserve the right to make changes without prior notification.
  • Page 12 VALLOX 280 CONTROL DIAGRAM, water-circulating post-heating unit © VALLOX • We reserve the right to make changes without prior notification.
  • Page 13 15 minutes and produces overpressure in the 2.75...3.25 VDC 5.5...6.5 mA 3.75...4.25 VDC 7.5...8.5 mA ventilation zone. LON remote monitoring control can be implemented with a VALLOX LON 4.75...5.25 VDC 9.5...10.5 mA converter. 5.75...6.25 VDC 11.5...12.5 mA...

  • Page 14: Installation

    Air flow measurement outlets EXTRACT AIR SUPPLY AIR • The fixed air flow measurement outlets are located behind the VALLOX nameplate SUPPLY AIR EXTRACT AIR (12) at the upper edge the unit. You can easily remove the nameplate by sliding it...
  • Page 15 • Carefully fix the door of the silencer unit in place. • Fix the ducts steadily and tightly to the relevant out- lets. Implement duct insulation if needed as defined in the ventilation plan. © VALLOX • We reserve the right to make changes without prior notification.
  • Page 16 Vallox Oy FI-32200 Loimaa Finland Telephone +358 2 7636 300 Fax +358 2 7631 539 www.vallox.com © VALLOX • We reserve the right to make changes without prior notification.

This manual is also suitable for:

280 r