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Table of Contents
Related Manuals for Flexit L12 X
Summary of Contents for Flexit L12 X
- Page 1 94235E-06 2009-10 FlexIt l12 x l30 x l18 x l50 x l20 x Operating Instructions Air Handling Unit - Cross As there are various automatic control options, the instructions do not contain a description of the automatic control. See separate automatic control documentation.
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Page 2: Table Of Contents
General Drawings and System Drawings Adjustment, Capacity and Sound Data Capacity Diagram, Sound Data, Specifications - Flexit l12 x W/e 7.2 Capacity Diagram, Sound Data, Specifications - Flexit l18 x W/e 7.3 Capacity Diagram, Sound Data, Specifications - Flexit l20 x W/e 7.4 Capacity Diagram, Sound Data, Specifications - Flexit l30 x W/e... -
Page 3: Safety
Safety CAUtION Check that the unit is dead before opening it for service or maintenance • Only personnel with the relevant technical skills may perform maintenance work • The switch for all-pole breaking must be off when the inspection doors are opened and all rotating parts must have stopped •... -
Page 4: Transporting The Unit
2 transporting the Unit 2.1 lifting Points The unit must be lifted using a truck/jack trolley (Fig. 1/2) or lifting straps. Remember to use 2 jack trolleys/trucks, one from each side, to avoid the unit tipping down onto the floor and the base being damaged., If you choose to use jack trolleys or trucks to lift the unit in the middle, use equipment that has sufficiently long forks. -
Page 5: Sizes/Physical Dimensions
2.3 Sizes/Physical Dimensions l12 x All measures in mm Fig. 3 With a water battery: The pipe connection for the water battery may be on either the right or left side of the supply air duct by reversing the battery. Hole templates on both sides have been prepared in the factory. It is important for wa- ter pipes not to block doors or prevent the removal of the heat recovery system, filters and fans. - Page 6 l18/l20/l30 W Shows connection of water heating battery. All measures in mm Fig. 6 l50 x Fig. 7 1300 2860 2800 1430 With a water battery: The pipe connection for the water battery may be either on the front or the rear of the unit by reversing the ends of the battery.
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Page 7: Installation
Installation placed against a wall, low-frequency sound may create the unit is designed for indoor installation. vibrations in the wall. Sound may also be transferred through the floor if the 3.1 Inspection/Maintenance mass and rigidity of the floor are not sufficient. The unit must be installed with space for service and Technical rooms should be fitted with floating concrete maintenance such as filter replacement and cleaning... -
Page 8: Electrical Works
• See also Chapter 9 technical Data for more information on electrical wiring. • A service switch must be installed for all-pole breaking of the supply voltage to the unit. this is not included in the supply from FlexIt. • the electrical components must not be exposed to temperatures lower than -23 C or higher than +55 4.1 Main Supply (Mains Cable) -
Page 9: Plumbing Works
Before connecting the water battery, it estimation program for calculation of technical data is necessary to check that the inspection for the water battery (www.flexit.com). doors are accessible and there is space enough to change the water battery. Use the recommended connection (see Fig. 10) unless specified otherwise. -
Page 10: General Drawings And System Drawings
6 General Drawings and System Drawings General Figure - Cross Heat Exchanger (M1) Supply air fan (M2) Extract air fan (FI1) Supply air filter (FI2) Extract air filter (HR-X) Heat exchanger (M3) Bypass motor (B6) Thermoguard (EB1/WB1) Heating battery (electricity or water) (F10-19) Reset overheating thermostat 10 (P1) Supply air filter relay... -
Page 11: Adjustment, Capacity And Sound Data
Adjustment, Capacity and Sound Data the units have separate pressure measurement outlets. they are labelled on the unit. the l20 and l30 have outlets on the top of the unit, the l50 on the end. the following formula is used: Q = k . -
Page 12: Capacity Diagram, Sound Data, Specifications - Flexit L12 X W/E
7.1 Capacity Diagram, Sound Data, Specifications - Flexit l12 x W/e Supply air side (with F7 filter) l/s 0 230V 190V 170V 150V 120V 230V 105V 190V 170V 150V 120V 105V 80dB(A) 75dB(A) 70dB(A) 65dB(A) 1200 1200 Water Battery F5-filter... -
Page 13: Capacity Diagram, Sound Data, Specifications - Flexit L18 X W/E
7.2 Capacity Diagram, Sound Data, Specifications - Flexit l18 x W/e Supply air side (with F7 filter) l/s 0 230V 190V 170V 150V 230V 120V 190V 170V 105V 150V 120V 105V 83dB(A) 80dB(A) 75dB(A) 70dB(A ) 1800 1200 2400 Water Battery... -
Page 14: Capacity Diagram, Sound Data, Specifications - Flexit L20 X W/E
7.3 Capacity Diagram, Sound Data, Specifications - Flexit l20 x W/e Supply air side (with F7 filter) l/s 0 84dB( A) 80dB( A) 75dB( A) 70dB( A) 2000 28 0 0 1200 1600 2400 Water Battery F5-filter Air flow rate, m... -
Page 15: Capacity Diagram, Sound Data, Specifications - Flexit L30 X W/E
7.4 Capacity Diagram, Sound Data, Specifications - Flexit l30 x W/e Supply air side (with F7 filter) l/s 0 1000 1000 1200 1000 87dB(A) 85dB(A) 80dB(A) 75dB(A) 1000 2000 3000 4000 Water Battery F5-filter Air flow rate, m /h - Pressure correction factor... -
Page 16: Capacity Diagram, Sound Data, Specifications - Flexit L50 X W/E
7.5 Capacity Diagram, Sound Data, Specifications - Flexit l50 x W/e Supply air side (with F7 filter) l/s 0 1000 1250 1500 3200 1600 2800 1400 2400 1200 2000 1000 1600 1200 92dB(A) 90dB(A) 85dB(A) 80dB(A) 75dB(A) 1000 2000 3000... -
Page 17: Maintenance
8 Maintenance You should inspect the system regularly. This must be performed by qualified operating personnel. The inspection should be performed twice a year, preferably in the spring and autumn. If the unit has a cross heat exchanger, you should check for leaks in the drain or water on the floor. If a water battery is used to heat the air, check also for water leaks. -
Page 18: Technical Specifications
9 technical Specifications 9.1 technical Specifications, l12 x Heating type: l12 xW l12 xe 230 V 400 V Rated voltage Fuse 1x10 A 3x16 A Rated current, total 15 A Rated power, total 1080 W 7080 W Rated power, electric... -
Page 19: Technical Specifications, L20 X/L30
9.3 technical Specifications, l20 x/l30 x l20 x l30 x l20 xW l20 xe l30 xW l30 xe Rated voltage 230 V 400 V 230 V 400 V Fuse 1x16 A 3x32 A 1x16 A 3x40 A Rated current, total 7.5 A 26 A 12 A... -
Page 20: Commissioning
10 Commissioning the unit must not be started until all documentation has been studied and all electrical and plumbing work has been performed. Familiarise yourself well with the documentation for the automatic control system Programme the various operating times and speeds (possibly including stop) Check that the correct temperature regulation and temperature settings have been selected. -
Page 21: Eu Declaration Of Conformity
Compatibility 73/23/eeC low Voltage Directive 98/37/eeC Machinery Directive Manufacturer: FLEXIT AS, Televeien 15, N-1870 Ørje Tel.: +47 69 81 00 00 Fax +47 69 81 00 80 type of equipment: 86 42 000 Ventilation equipment for mounting in ducts... - Page 24 Flexit AS, Televeien 15, N-1870 Ørje www.flexit.com...
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