Pichler VENTECH LG 250 A Operating And Installation Instructions

Compact ventilation unit

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INSTALLATION INSTRUCTIONS
SYSTEM VENTECH LG 250 A
ErP
2018
EU-Regulation
1253/2014
LG 250
A
A+
+
A
B
C
D
E
F
G
43
250 m³/h
dB
ENERGIA ·
·
· ENERGIJA · ENERGY · ENERGIE
2016
1254/2014
The specified energy efficiency
is applicable when controlled to
local requirements and is valid
up to the specified maximum air
flow volume.
OPERATING AND
COMFORT
VENTILATION
optional
Systematic ventilation.

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Summary of Contents for Pichler VENTECH LG 250 A

  • Page 1 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A COMFORT VENTILATION 2018 EU-Regulation 1253/2014 LG 250 250 m³/h ENERGIA · · · ENERGIJA · ENERGY · ENERGIE 2016 1254/2014 The specified energy efficiency is applicable when controlled to local requirements and is valid optional up to the specified maximum air...
  • Page 2: Table Of Contents

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 2 GENERAL 1. Introduction 2. General 3. Authorised intended utilisation 4. Safety USER 5. Customer service 6. Ventilation unit assembly guide for users 7. Control units for the user 8. Fault & notice messages 9.
  • Page 3: General

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 3 1. Introduction Dear Customer, thank you for purchasing Please always keep the model and serial a LG 250 A System VENTECH compact number (see nameplate on unit) to hand ventilation unit.
  • Page 4: Authorised Intended Utilisation

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 4 3. Designated use INTENDED USE The LG 250 A System VENTECH compact This unit is available to the general ventilation unit is suitable for installation public and is intended for installation in in air-conditioning systems for controlled residential or industrial buildings.
  • Page 5 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 5 STIPULATIONS FOR OPERATION WITH Local requirements in terms of standards, in an apartment or similar facility shall FIREPLACES laws and directives, must be taken into not be installed if the facility has room air account .
  • Page 6: Safety

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 6 WARRANTY The warranty period shall commence occurring during the warranty period. after the unit is put into operation, but In the event of a warranty claim, the LG no later than one month after delivery.
  • Page 7 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 7 SAFETY REGULATIONS Installation, initial start-up, After repairs and maintenance work, maintenance and repairs must qualified personnel must verify that the only be carried out by unit is safe to operate.
  • Page 8 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 8 ELECTRICAL CONNECTION WORK • Warning: hazardous electrical Work practices that could voltage! compromise unit's • Disregarding the hazard may safety prohibited! result in death, injury or mate- To ensure safe operation, safety devic- rial damage.
  • Page 9 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 9 The ventilation unit must be switched regularly for dirt and damage and off and disconnected from the mains cleaned or replaced if necessary. The air supply immediately in the event of a fault filters must be changed at least every...
  • Page 10: User

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 10 USER GUIDE 5. Customer service Please contact the installer of your ventilation and air conditioning system or contact us directly for any questions J. Pichler Gesellschaft m.b.H. relating to the LG 250 A System VENTECH 9021 KLAGENFURT compact ventilation unit supplied.
  • Page 11 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 11 BUTTONS AND LEDS 4 buttons Basic Ventilation operating mode: The ventilation unit is operated by means If the ventilation level is less than I, the of 4 buttons. unit switches to Standby mode or to Basic Ventilation operating mode.
  • Page 12 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 12 “TOUCH” CONTROL UNIT 1 Current operating mode 2 Ventilation level 3 Temperature (ambient air, supply air, extract air) 4 Menu 5 Date and time OPERATING MODE The active operating mode is displayed by Winter: various buttons.
  • Page 13 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 13 VENTILATION LEVEL The active ventilation level is displayed by various buttons. The ventilation level can be changed by pressing the buttons. The following selection options are available: Time program: The system runs at the ventilation level that is currently programmed.
  • Page 14 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 14 TEMPERATURE • Set the required temperature in stand- ard mode • Activate/deactivate the time program • Ambient air, extract air or supply air is controlled, depending on the control setting configured by the specialist...
  • Page 15 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 15 Current errors and error and filter logs Filter log can be displayed here. Current error Firmware Firmware versions for control and display are displayed here, as well as ventilation Error log unit model and ventilator model.
  • Page 16 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 16 If the air filter has been changed, the filter service time can be reset here so that a filter warning no longer appears on the display. Date & time...
  • Page 17 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 17 Language The user can switch between Deutsch, English, Français, Nederlands, Ceský, Slovenskí and Italiano. ACTIONS The following errors can be reset under Reset error Z04/Z05 "Actions": The + and – options are displayed by pressing the “No”...
  • Page 18: Fault & Notice Messages

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 18 8. Fault & notice messages “TOUCH” CONTROL UNIT Please contact your installer. The ventilation unit's fault status is indi- “MINI” CONTROL UNIT cated on the operating unit by the flashing pattern of the fault LED.
  • Page 19: Filter Maintenance For Users

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 19 9. Filter maintenance for the user MAINTENANCE INSTRUCTIONS These instructions relate ex- specified quality class may be used. (AIR FILTER) clusively to regular inspection, maintenance and replacement of air filters by the user.
  • Page 20 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 20 FILTER CHANGING When replacing the air filters, avoid soiling the unit and its components. Dirty air filters must be immediately and suitably dis- posed of. It is advisable to package the air filters in...
  • Page 21 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 21 CLEARING FILTER MESSAGES “MINI” control unit Filter change required: Premature filter changing: Reset the filter counter after changing the If the air filters are replaced prematurely, filter. the filter counter must be reset without a pending filter message.
  • Page 22: Qualified Personnel

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 22 GUIDE FOR SPECIALIST PERSONNEL 10. Scope of supply, transport, storage and disposal SCOPE OF SUPPLY The scope of supply includes: accessories) is complete, and that all • The ventilation unit with the "MINI"...
  • Page 23: Technical Data

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 23 11. Technical data UNIT DATA Ventilation unit Air flow rate setting range: Dimensions: 80 to 250 m³/h, adjustable in 5 m³/h steps (W x H x D) 672 x 870 x 610 mm...
  • Page 24 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 24 CHARACTERISTIC CURVE - EXTERNAL The characteristic curves shown are valid PRESSURE INCREASE – AIR VOLUME for the unit version with Class F7 supply FLOW RATE air and G4 extract air air filters, as well as the version with no PTC preheater coil.
  • Page 25 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 25 ADVANTAGES AND FEATURES • LG 250 A compact ventilation unit with • Integrated 100% bypass for bypassing PHI passive house certification the heat exchanger in Summer mode • Ventilation unit with high-efficiency heat •...
  • Page 26 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 26 1. "MINI" control unit 5. Outdoor air filter, quality class F7 The “MINI“ control unit, installed in the (optional pollen filter, quality class F9) living area, is used to easily control the The outdoor air filter filters dust and dirt...
  • Page 27 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 27 10. Bypass flap with electrothermal servo maintenance on the unit. motor When replacing the cover, ensure that Used in Summer mode to transfer the it is completely closed and that there is air flow to the heat exchanger when the...
  • Page 28 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 28 Structural diagram (stand or wall mount- ing, left-hand version) 10 0 16 6 1 Supply air ø 160 mm 2 Extract air ø 160 mm 3 Outdoor air ø 160 mm 4 Exhaust air ø...
  • Page 29: Functionality Of The Ventilation System

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 29 SAFETY DEVICES To ensure safe operation of the system, Overheating protection: A safety devices and covers must not be thermo-bimetal switch rendered inoperative; nor may measures is built into the optional, be taken to bypass or dismantle them.
  • Page 30 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 30 Outdoor air Outdoor air Bypass The basic design of a domestic ventilation system is 8 Frost preheating heat exchanger (optional) illustrated in the pictorial schematic with optional 9 Condensate tray with onsite drainage and additional system enhancements.
  • Page 31 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 31 • Sufficient distance from other parts, e.g. connected via the changeover flap water pipes, foundations, etc. must be when the outdoor air temperature falls maintained during positioning in order to below the geothermal heat exchanger's prevent frost damage.
  • Page 32 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 32 Brine geothermal systems extract energy against contamination by an air filter from the earth in winter via a brine integrated into the air pipe system that pipe. The system may also be used for has a filter quality class of at least G4.
  • Page 33 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 33 Frost protection through ATTENTION: This operating Frost protection thanks to extract air reduction of supply air flow volume mode is not suitable for frost defrosting protection in passive houses! •...
  • Page 34: Operating Units

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 34 With external hot water heater battery An external, optional water reheater Where this potential-free contact is fitted battery with 3-stage mixing motor which with an external temperature sensor is inserted downstream into the supply...
  • Page 35 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 35 Configuration of ventilation level I begins Setting air flow volume, ventilation level III at 50 m³/h if no LED lights up. By respec- Users can access the menu for ventilation tive flashing or lighting of the individual...
  • Page 36 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 36 Activate extract air balance & basic • Reset time meter ventilation • Delete message overview Extract air balance and basic ventilation • Test mode: Test the unit's basic func- settings can be adjusted under "Menu"...
  • Page 37: Assembly

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 37 14. Installation PREREQUISITES FOR UNIT INSTALLA- The LG 250 A system VENTECH com- The following connection facilities must be TION pact ventilation unit must be installed in available in the installation area: accordance with the general and locally •...
  • Page 38 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 38 All equipment connectors should in wire mesh grating must be provided as a principle be fitted with sound absorbers pre-filter directly at the central inlet point to ensure appropriate acoustic damping in for outdoor air.
  • Page 39 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 39 Setting up the The front door of the unit must be opened sufficient, appropriate mounting condensate drain to set up the condensate drain. materials. A 3/8" hose of a sufficient length is fitted...
  • Page 40 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 40 Connecting air ducts and components The unit's connectors must be connected Avoid using flexible hoses for connections to air duct connections. Airtightness and to the unit. When making connections, vibration isolation must be ensured.
  • Page 41: Electrical Connection

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 41 15. Electrical connection • Warning: hazardous electrical • Electrics must be connected in accord- voltage! ance with the associated wiring plan • Disregarding the hazard (see page 43)! may result in death, injury or •...
  • Page 42 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 42 Connecting the control unit The control system consists of a control Cable length must not exceed 100 m. to the control panel panel and a control unit. The control panel...
  • Page 43 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 43 Electrical wiring diagram In general, external sys- Temperature sensors T1 to T4 are facto- tem components, extension ry-wired. The control system automatical- components and temperature ly recognises when outdoor temperature sensors required must be connected in sensor T5's electrics are connected.
  • Page 44 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 44 Mains connection The ventilation unit is supplied ready to The supply pipe must be dimensioned by plug in. The mains connection line is 1.5 an authorised electrician in full compli- m in length and fitted with a shock-proof...
  • Page 45 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 45 Water re-heater battery (external) An external temperature sensor is re- heater battery. quired for connection of an external water The user must switch to the "Re-heater re-heater battery. The external supply air Battery - Water"...
  • Page 46: Maintenance And Cleaning

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 46 16. Maintenance and cleaning SAFETY INSTRUCTIONS Always pull the mains plug or If possible, use a vacuum cleaner to fully isolate the ventilation unit remove dirt and dust. Applying force or...
  • Page 47 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 47 Fans The motor housing may be The five mounting screws on the fan opened and works performed housing must be removed in order to on the motor's electrical clean the fan. The ventilation unit should...
  • Page 48 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 48 Unit housing - Interior cleaning We recommend cleaning at least once a Handle the insulated surfaces of the year, depending on the level of soiling. housing with care when cleaning. Using excessive force during cleaning, e.g.
  • Page 49 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 49 Service table In order to document maintenance works, this table must be completed after perfor- mance of works on the unit: Unit installed by: Date Maintenance works Performed by Date (e.g.
  • Page 50 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 50 PUTTING INTO OPERATION The ventilation system must be The factory settings on the control unit complete, connected and ready may only be changed by a specialised for operation before it is put into installer.
  • Page 51: Commissioning - Service

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A OPERATING AND INSTALLATION MANUAL - SYSTEM VENTECH LG 250 A PAGE 51 PAGE 51 17. Fault description Error descriptions are provided for the Errors can be located precisely using the corresponding light patterns in the follow- service software (available to specialist ing table.
  • Page 52: Troubleshooting

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 52 18. Installation/Operation of service software and firmware updates The control unit must be connected to a Service hotline: +43 (0)463 32769-0 laptop via the micro-USB cable in order to Email: service@pichlerluft.at...
  • Page 53: Product Data Sheets

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 53 21. Product data sheets PRODUCT DATA SHEET: LG 250 A Motor und Antrieb regelbare Drehzahl 2 [-] x-Wert , % [-] ³ [dB(A) ] [m³/h] 50 [Pa] [W/(m³/h)] 0,65...
  • Page 54 OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A PAGE 54 PRODUCT DATA SHEET: LG 250 AF Motor und Antrieb regelbare Drehzahl 2 [-] x-Wert , % [-] ³ [dB(A) ] [m³/h] 50 [Pa] [W/(m³/h)] 0,65 % [-] % [-] Bitte Luftfilter...
  • Page 55: Eg-Konformitätserklärung (Ec Declaration Of Conformity)

    OPERATING AND INSTALLATION INSTRUCTIONS SYSTEM VENTECH LG 250 A SYSTEM VENTECH LG 250 A OPERATING AND INSTALLATION MANUAL PAGE 55 PAGE 55 22. EG-Konformitätserklärung (EC Declaration of Conformity) Hersteller/Manufacturer: J. Pichler Gesellschaft m.b.H. Anschrift/Address: Karlweg 5 9021 Klagenfurt am Wörthersee...
  • Page 56 EU Regulation 1253/2014 Your partner/installer: Author: J. Pichler Gesellschaft m.b.H. Photos: Ferdinand Neumüller, Archiv J. Pichler Gesellschaft m.b.H. | Text: J. Pichler Gesellschaft m.b.H. All rights reserved | All images are for reference only| Subject to amendment | Version: 10/2017 db/kp J.

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