Related Manuals for Pichler LG 740
Summary of Contents for Pichler LG 740
- Page 1 OPERATING AND INSTALLATION MANUAL COMPACT VENTILATION UNIT LG 740 COMFORT VENTILATION 2018 EU-regulation 1253/2014 EPREL Systematic ventilation.
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Page 2: Table Of Contents
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 2 Contents 1. Introduction Page 4 2. General Page 4 3. Functionality of the ventilation system Page 5 4. Designated use Page 5 INTENDED USE PAGE 5 STIPULATIONS FOR OPERATION WITH FIREPLACES PAGE 6... - Page 3 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 3 15. System description and extension options Page 35 FROST PROTECTION OPTIONS PAGE 35 SYSTEM EXTENSION FOR EXTERNAL SUPPLY AIR CONDITIONING PAGE 40 16. TOUCH control unit service level Page 44 TOUCH CONTROL UNIT TEST MODE PAGE 44 17.
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Page 4: Introduction
1. Introduction The LG 740 compact ventilation unit on unit) at hand in the case of queries or complies with the state of the art. It is when ordering spare parts. characterised by cost effectiveness, ease of use and reliability. -
Page 5: Functionality Of The Ventilation System
This technology is particu- larly effective in air-tight building shells 4. Designated use INTENDED USE The LG 740 compact ventilation unit is This unit is available to the general public suitable for installation in air conditioning and is intended for installation in residen- systems for the controlled mechanical tial or industrial buildings. -
Page 6: Stipulations For Operation With Fireplaces
The compact ventilation unit is not a Persons transporting, installing ready-to-use product. It must not be put or working on the unit must into operation until it has been properly have read and understood the installed and connected to a ventilation operating instructions, in particular sec- system. -
Page 7: Liability
LIABILITY The LG 740 compact ventilation unit was to the ventilation unit, for which the man- developed and manufactured for use in ufacturer shall accept no liability. the controlled mechanical ventilation of residential buildings, larger residential The manufacturer accepts no... -
Page 8: Safety
5. Safety Read this operating and installation man- be altered. Non-observance of these ual carefully and observe the safety in- safety regulations, warnings, notes and structions while you carry out installation, instructions may lead to physical injury or commissioning, servicing or general work damage to the compact ventilation unit. -
Page 9: Unit Set-Up
UNIT SET-UP The national and local regulations traps (siphon). Installations for water, heating and condensate connections may must be heeded when installing and setting up the unit. The unit be performed by a specialist only. The unit may only be installed in compliance with must be installed and executed appropri- national installation regulations. -
Page 10: System Operation
The unit may not be operated until safe be inspected (e.g. earth resistance, etc.) operational conditions are restored. after completion of electrical work on the unit. For details, see Section 18: “Electrical Fault finding and immediate remediation Connection”. of electrical defects and malfunctions shall be carried out by authorised electri- cians only. -
Page 11: User Guide
LG 740. Karlweg 5 +43 (0)463 32769 7. Design of the ventilation unit The LG 740 compact ventilation unit is • Integrated filter monitoring: when the used for the controlled mechanical venti- time interval is reached, the message lation of residential buildings, "Change filter"... -
Page 12: Mini Control Unit
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 12 8. MINI control unit FUNCTIONS The following compact ventilation unit functions can be configured with the “MINI” control unit: • Selection of the operating mode standby or basic ventilation • Ventilation level of the compact ventila- tion unit •... -
Page 13: Touch Control Unit
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 13 CHANGING THE VENTILATION LEVEL LEDs The ventilation unit's various statuses are signalled via LEDs. Three LEDs display the current ventilation level. On the left side, arranged next to the corresponding buttons, are the LEDs for summer, winter or automatic mode. - Page 14 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 14 OPERATING MODE heat exchanger is bypassed and the cold outdoor air is blown directly into the living room. Automatic Summer Winter Winter The outdoor air is always con- veyed via the heat exchanger in winter operation.
- Page 15 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 15 Manual selection Standby When the time program is deactivated The system is in standby mode. [OFF], the ventilation level can be selected The fans stand still. manually. This selection is carried out via...
- Page 16 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 16 DEMAND-CONTROLLED AIR VOLUME Higher-level ventilation regulation Humidity-controlled regulation (Figure 2) REGULATION There are various configurations and op- The relative humidity is a factor that also erating modes that result in your ventila-...
- Page 17 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 17 TEMPERATURE Depending on the setting, regulation is Activated time program [ON] based on the indoor air, extract air or (for different daily TARGET tempera- supply air temperature, the desired tem- tures) perature can be entered via the control unit.
- Page 18 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 18 INFORMATION Current operating values, operating hours, Current errors messages and firmware versions can be Active errors are displayed here. retrieved under the [Information] menu item. Current operating values Time meter Notifications Device information...
- Page 19 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 19 SETTINGS Scheduler Different settings can be made here for ventilation levels and temperatures for Ventilation level each day of the week. Scheduler Temperature control Additional functions Ventilation levels Temperature Date & time...
- Page 20 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 20 Time program temperatures measured relative humidity rises above A total of three switching times are avail- 65%. able for changing to a different TARGET temperature per day. With the button Heating coil "Apply for all days"...
- Page 21 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 21 Time Language You can switch between German, English, French, Dutch, Slovenian, Italian, Czech and Slovak. Time Sunday Deutsch English Français Dutch Český Time Sunday ACTIONS Reboot device If a device restart is necessary, this can be carried out here.
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Page 22: Errors And Notifications
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 22 10. Errors and notifications The error notifications of the compact MINI CONTROL UNIT ventilation unit on the MINI control unit are indicated by red error LED blinking patterns. A detailed description of the blinking patterns can be found in section 21 - “Error description”. -
Page 23: Data Protection
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 23 DATA PROTECTION A sticker is attached to the device cover. As soon as a wired internet connection is established, we assume that you agree to the current data protection declaration. (See: https://www.pichlerluft.at/data- privacy-statement.html) -
Page 24: Filter Change
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 24 CLEARING THE FILTER NOTIFICATION Required filter change If the filters remain in the device, the ON THE TOUCH CONTROL UNIT If the filters are changed, this must be filter service life is extended by a further confirmed by clicking the [Filter changed] 90 days by clicking the [Remind me later]... - Page 25 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 25 LEFT-HAND VERSION (see type plate) (Item 2) (Item 3) (Item 1) Filter cover (item 1) Luftrichtung / Airflow Filter LG350 / LG450 ISO ePM1 > 70% / (F7) Filter LG 740 ISO ePM1 55% 40LG0500001A 40LG0500024A Air direction / airflow Outdoor air filter (ODA), installation in the right filter shaft (item 2)
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Page 26: Specialist Personnel - Assembly/Installation
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 26 Specialist personnel - assembly/installation 13. Scope of supply, transport, storage and disposal SCOPE OF SUPPLY • The height-adjustable feet for free-standing installation After delivery of the unit, check that the type and serial number on the name-... -
Page 27: Technical Specifications
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 27 14. Technical specifications VERSIONS LG 740 Standing or wall-mounted LG 740 Left-hand version Right-hand version Article no. without pre-heating coil 08LG740L 08LG740R Article no. with integrated pre-heating coil 08LG740LV 08LG740RV Article no. with enthalpy exchanger... -
Page 28: Device Data
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 28 DEVICE DATA Equipment type LG 740 (V) LG 740 F (V) Heat exchanger Standard Enthalpy exchanger Air volume flow min. - max. 150 - 750 m³/h 150 - 750 m³/h (adjustable in steps of 5 m³/h) Characteristic values in compliance with EN13141-7:2011 Temperature ratio η... -
Page 29: Acoustic Specifications
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 29 ACOUSTIC SPECIFICATIONS Housing radiation Outdoor air connectors Supply air inlet Exhaust air connectors Extract air outlet LG 740 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz... -
Page 30: Characteristic Curve External Pressure Increase - Air Volume Flow
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 30 CHARACTERISTIC CURVE EXTERNAL The characteristic curves shown are valid consumption for the two fans in the sup- PRESSURE INCREASE – AIR VOLUME for the device version with ODA filter ISO ply and exhaust air as well as the power... -
Page 31: Device Structure
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 31 DEVICE STRUCTURE LEFT-HAND VERSION Aufbauskizze (Standmontage, linke Ausführung) Dimensions: (W x H x D) 1090 x 940 x 660 mm Air line connection: 4 x Ø 200 mm 1090 1 Supply air DN200... - Page 32 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 32 RIGHT-HAND VERSION Aufbauskizze (Standmontage, rechte Ausführung) Dimensions: (W x H x D) 1090 x 940 x 660 mm Air line connection: 4 x Ø 200 mm 1090 1 Supply air DN200 2 Extract air DN200...
- Page 33 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 33 1 Supply air DN 200 2 Extract air DN 200 3 Outdoor air DN 200 4 Exhaust air DN 200 5 Counterflow heat exchanger 6 Exhaust air fan 7 Supply air fan...
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Page 34: Safety Devices
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 34 14. Electric pre-heating coil 15. Height-adjustable feet The pre-heating coil function serves to Used to align the ventilation unit hori- protect condensate in the heat exchanger zontally to ensure safe drainage of the against freezing in the event of very cold condensate. -
Page 35: System Description And Extension Options
A mechanical safety temperature limiter is installed for the built- in pre-heating coil. It protects The LG 740 compact ventilation unit is op- against overheating in the event of a tionally available with a built-in electrical malfunction. If a temperature of +50 °C is... - Page 36 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 36 Constant pressure control The compact ventilation unit can also The ventilation unit is factory-set operate with constant pressure control. with the fan control option “constant This requires the dual pressure sensor set volumetric flow”.
- Page 37 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 37 Geothermal heat exchanger Optimal frost protection can be achieved guidelines and standards must be observed. with cold outdoor air temperatures by In particular, ease of cleaning and a suitable integrating a geothermal heat exchanger filter concept must be ensured.
- Page 38 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 38 RJ45 plug for LAN RJ45- Stecker für connection LAN-Verbindung L13 L14 EWT-Klappe GHE flap H14 H15 Run Error MOD- - X1 Intern Einspeisung Internal Supply N PE N PE Illustration: Geothermal heat exchanger flap connections...
- Page 39 Lüftungsgerät mit optionalem Sole-Erdwärmetauscher OPERATING AND INSTALLATION MANUAL LG 740 PAGE 39 Sole- Brine heater coil Heizregister Außenluft Outdoor air Abluft Extract air Sensor T7 Fühler T7 Exhaust air Fortluft Supply air Zuluft Outdoor air Außenluft- vorfilter pre-filter Brine pump...
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Page 40: System Extension For External Supply Air Conditioning
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 40 SYSTEM EXTENSION FOR EXTERNAL In order to raise or lower the supply Configuration takes place via the PC soft- SUPPLY AIR CONDITIONING air temperature for the living room, the ware. The value for the temperature is set... - Page 41 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 41 External hot water re-heating coil The supply air temperature can be in- If the contact is opened via an external creased via an external hot water re-heat- frost protection thermostat, the ventila-...
- Page 42 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 42 External cold water cooling coil The supply air temperature can be de- The cooling mode is only active creased via an external cold water cooling in summer mode and is activat- coil, which is installed downstream of the ed as soon as the temperature ventilation unit in the supply air line.
- Page 43 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 43 External combination exchanger (hot or The external combination exchanger ing outputs H3 and H4 can be used for cold water) combines the functions of a hot water external hot or cold water requirements.
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Page 44: Touch Control Unit Service Level
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 44 16. TOUCH control unit service level The Service menu is activated by pressing Actions the [Menu] button for an extended period Pressing [Menu] > [Actions] expands the (min. 5 seconds) and entering the password. - Page 45 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 45 Test – SUP fan Test – EHA fan Test – EHA fan 0 m³/h Test – SUP fan 0 m³/h To test the supply air fan manually, the To test the exhaust air fan manually, the...
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Page 46: Mounting
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 46 17. Mounting The LG 740 compact ventilation unit must The outdoor air and exhaust air ducts, e.g. PREREQUISITES FOR UNIT INSTALLATION between the ventilation unit and the roof be installed in accordance with the gener-... -
Page 47: Opening The Unit
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 47 OPENING THE UNIT To open the device, proceed as follows: Before opening the unit and 1. Remove the filter cover by pressing the when carrying out work on the two latches towards the inside. -
Page 48: Condensate Connection
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 48 CONDENSATE CONNECTION To prepare the condensate drain, the front Perfect functioning of the of the device must first be opened (see condensate drainage must be section 17, “Opening the unit”). checked and ensured before put-... -
Page 49: Connecting Air Ducts And Components
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 49 CONNECTING AIR DUCTS The air lines are to be connected to the When making connections, en- AND COMPONENTS overhead connection piece (Ø 200 mm, sure in particular that no tools or nipple with double lip seal, SAFE system). -
Page 50: Electrical Connection
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 50 18. Electrical connection The performance of all electrical laying must be determined by an author- work requires compliance with ised electrician. the safety instructions provided in • Low-voltage cables must be laid sepa- section 5, “Electrical connections”. -
Page 51: Mains Connection And Replacement Of The Internal Device Fuse
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 51 MAINS CONNECTION AND REPLACEMENT The ventilation unit is supplied ready for the use of earth leaking circuit breakers OF THE INTERNAL DEVICE FUSE use. The power cord is around 3 m long that are sensitive to pulsating current or and equipped with a safety plug. - Page 52 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 52 Ao1: Mischer Heizen Ao1: Mischer Heizen Ao1: Mixer heating Ao2: Mischer Kühlen Ao2: Mischer Kühlen Ao2: Mixer cooling Ao3: Mixer combination exchanger Ao3: Mischer Kombiregister Ao3: Mischer Kombiregister GND: GND: GND: T1: Outdoor air temp. sensor T1: Außenluft-T-Fühler...
- Page 53 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 53 230V / 50 Hz 230V / 50 Hz H1: Supply H1: Einspeisung H1: Einspeisung Max. on-site back-up fuse = 16 A Max. bauseitige Vorsicherung = 16 A Max. bauseitige Vorsicherung = 16 A...
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Page 54: Electrical Connection Diagram Mini Or Touch Control Units
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 54 ELECTRICAL CONNECTION DIAGRAM MINI OR TOUCH CONTROL UNITS Control unit rear panel... - Page 55 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 55 - X1 Internal Supply...
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Page 56: Electrical Connection Diagram For External Inputs
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 56 ELECTRICAL CONNECTION DIAGRAM Digital input 1 (Di1) of 30 minutes is set as standard for the FOR EXTERNAL INPUTS Used for external shutdown (external boost ventilation function. off), e.g. by a fire alarm control panel (fire alarm system). -
Page 57: Electrical Connection Diagram Shut-Off Valves
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 57 ELECTRICAL CONNECTION DIAGRAM When switched off, the outdoor and even in the event of a power failure. This SHUT-OFF VALVES exhaust air lines of the ventilation unit are avoids the inflow of cold air. -
Page 58: Connecting The Control Unit With The Control Board
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 58 CONNECTING THE CONTROL UNIT The control system consists of a control screening must be connected to the ven- WITH THE CONTROL BOARD board and a control unit. The control tilation unit's PE protective earthing. The board needs to be connected to the connection cable is included with delivery. -
Page 59: Maintenance And Cleaning
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 59 19. Maintenance and cleaning SAFETY INSTRUCTIONS For all cleaning or servicing Never use aggressive or solvent-contain- ing cleaning agents. work on the ventilation unit, always pull the mains plug or fully disconnect the unit from the mains... -
Page 60: Fans
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 60 FANS Only the fan manufacturer has The fan unit must be carefully pulled out the right to open the motor of the housing. Pay attention to the electri- housing and do work on the mo- cal connecting cable to the motor. -
Page 61: Cleaning The Equipment Housing Inside
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 61 CLEANING THE EQUIPMENT HOUSING We recommend cleaning at least once a Handle the device surface with care when INSIDE year, depending on the level of soiling. cleaning it. Using excessive force during cleaning, e.g. -
Page 62: Service Table
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 62 SERVICE TABLE In order to document maintenance works, this table must be completed after perfor- mance of works on the unit: System commissioned by: Date Maintenance work (e.g. filter change) Performed by (signature) - Page 63 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 63...
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Page 64: Specialist Personnel - Commissioning - Service
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 64 Specialist personnel - Commissioning - Service 20. Commissioning 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 company. -
Page 65: Error Description
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 65 22. Error description MINI CONTROL UNIT 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 66: Spare Parts And Accessories
Dependable CONTROL ELEMENTS Designation Article number STANDARD: MINI control unit for LG 740 08LGMINI740 OPTIONAL: TOUCH control unit for LG 740 08LG740T Swivel bracket for attaching the TOUCH or MINI control unit directly to the... -
Page 67: Product Data Sheets
Responsible for the content: J. Pichler Gesellschaft m.b.H. Photos: J. Pichler Gesellschaft m.b.H. archives | Text: J. Pichler Gesellschaft m.b.H. All rights reserved | All photos are generic photos | Subject to change without notice | Version: 1 2/2022 db... - Page 68 Responsible for the content: J. Pichler Gesellschaft m.b.H. Photos: J. Pichler Gesellschaft m.b.H. archives | Text: J. Pichler Gesellschaft m.b.H. All rights reserved | All photos are generic photos | Subject to change without notice | Version: 1 2/2022 db...
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Page 69: Eg-Konformitätserklärung (Ec Declaration Of Conformity)
OPERATING AND INSTALLATION MANUAL LG 740 PAGE 69 26. EG-Konformitätserklärung (EC Declaration of Conformity) Hersteller / Manufacturer: J. Pichler Gesellschaft m.b.H. Anschrift / Address: Karlweg 5 9021 Klagenfurt am Wörthersee Bezeichnung / Product description: Compact ventilation unit with integrated control Ausführungen / Types:... - Page 70 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 70 Notes...
- Page 71 OPERATING AND INSTALLATION MANUAL LG 740 PAGE 71 Notes...
- Page 72 Responsible for the content: 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 photos are generic photos | Subject to change without notice | Version: 02/2023 eh J.
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