Related Manuals for Komfovent DOMEKT ReCU 300/350/450VE(W)-B-AC/EC
Summary of Contents for Komfovent DOMEKT ReCU 300/350/450VE(W)-B-AC/EC
- Page 1 DOMEKT RECU 300/350/450VE(W)-B-AC/EC Series Air Handling Units Installation and Maintenance Service Manual...
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Page 2: Table Of Contents
Content Safety Requirements .................. Transportation .................. Brief Description of the Unit .................. Installation .................. Maintenance .................. Technical Information ................Ordering Key ................ -
Page 3: Safety Requirements
Installation and Maintenance Service Manual Safety Requirements • To avoid accidents and/or unit damage, only a trained technician must carry out the connection. • The appropriate Personal Protective Equipment (PPE) attire is worn relative to the operation being carried out. • Electrical equipment is rated, connected and earthed in accordance with CE regulations. The air handling unit must be plugged in to an electrical outlet (with earth), which is in good order and corresponds with all requirements of electric safety. Before starting any operations inside the unit, make sure that the unit is switched off, and the power cable is unplugged. • Earth must be installed according EN61557, BS 7671. • The unit should be installed according to Installation and Maintenance Manual. • Before starting the unit, check correct position of air filters. - Page 4 Installation and Maintenance Service Manual Forklift truck or hand pallet truck can transport air handling unit as it is shown ( 2 a, b Pictures). Air handling unit transportation by forklift truck or hand pallet truck 2 b Picture 2 a Picture 2 a Unit is transported by hand pallet truck on a wooden pallet; 2 b Unit is transported by forklift truck on a wooden pallet. The unit should be examined upon receipt, to ensure that no visible damage has occurred during transit, and the advice note checked to ensure that all items have been received.
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Page 5: Brief Description Of The Unit
Installation and Maintenance Service Manual Brief Description of the Unit • The air handling units are intended for ventilation of small and medium-sized spaces (eg. single fam- ily houses, offices, etc.), having operating ambient temperature and relative humidity. The unit is in- tended to be installed in the kitchen or other domestic premises. -
Page 6: Installation
Installation and Maintenance Service Manual Installation Unit Inspection Before installing the unit, inspection must be carried out. Unit has removable panels from its both sides (4 Picture). 4 Picture All internal unit components can be extracted from inspection side. A fter choosing desired inspection side, it is ne- cessary to check if automatics box are positioned correctly. Automatics box are maintained from inspection side. Picture 4 shows unit with right-hand inspection side. To get unit with left-hand inspection side, internal unit ele- ments must be turned round. Remove both unit’s panels, which afterwards must be counterchanged to have pos- sibility of other side inspection. Start with automatic box (5 Picture). Unplug cabels before rotating automatic box. unplug plug Unscrew 5 Picture Unscrew the bolts inside unit to dismount automation box, after that it can be rotate. Taking off the switch from the unit it is needed to take it apart from each other and check if the contacts are fouled. - Page 7 Installation and Maintenance Service Manual 6 Picture Rotate Do not forget plug in the cabels into automation box. Picture 7 shows unit from right-hand inspection side. 7 Picture Do not forget to put on elements for hanging before screwing on back panel. The place for the unit should be selected with allowance for minimum access to the unit for maintenance and service inspection. The minimum free space in front of the inspection panel should be not less than 350 mm.
- Page 8 Installation and Maintenance Service Manual Unit brackets’ positions view 1 1. Screw 2. Wall plug 3. Hanging bracket 1 4. Hanging bracket 2 5. Bolt M5 8 Picture 6. Gasket 7. Self tapping screw 8. L-shape bracket Condensate Drain Connections 9. Washer M5 DIN9021 All condensate drain connections must be correctly trapped. Incorrect trapping can result in flooding within the unit and consequent flooding of the immediate area. Fill the drain trap with water before starting up the unit. All drain lines should be insulated where passing through any space where damage from condensation drip might occur.
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Page 9: Maintenance
Maintenance Before performing any inspection work, check whether the unit is switched off from the electric power supply. It is recommended to carry out routine maintenance of the air handling unit KOMFOVENT DOMEKT RECU 300/350/450VE(W)-B-AC/EC – 4 times per year. Extracting unit elements (see 9 Picture). Cables must be disconnected when extracting automation box, plate heat exchanger, fans. 9 Picture During inspection, the following operations should be performed: 1. - Page 10 Installation and Maintenance Service Manual Plate heat exchanger cleaning 10 Picture Unscrew Remove 11 Picture 2. Fans check (once per year). Polluted fans decrease efficiency. Before performing any inspection work, check whether the unit is switched off from the electric power supply. Fans should be carefully cleaned with textile or soft brush. Do not use water. Do not break balance. Check if fan freely rotates and is not mechanically damaged, if impeller does not touch suction nozzles, fan does not spread noise and mounting bolts are screwed. 3.
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Page 11: Technical Information
Installation and Maintenance Service Manual Technical Information Specifications RECU 300/350/450VE(W)-B-AC/EC Dimensions AC VE/VW EC VE/VW EC (2 type) VE/VW Nominal air flow Unit weight Heater capacity Fans input power 2 x 137 2 x 172 2 x 70 Supply voltage V / Hz ~230 / 50 /1 phase ~230 / 50 /1 phase ~230 / 50 /1 phase Maximal operating current 5,76 / 1,41 6,0/1,65 5,1/0,76 Ducts connection Thermal efficiency of plate heat exchanger up to Energy recovery of plate heat exchanger up to Filters Supply air Exhaust air... - Page 12 Installation and Maintenance Service Manual RECU 300/350/450VE(W) Performance RECU 300VE(W*)-B-EC Fan power consumption Position 1’ 2’ Air volume, m * Correction factor - 15Pa RECU 350VE(W*)-B-AC Air volume, m * Correction factor - 15Pa...
- Page 13 Installation and Maintenance Service Manual RECU 450VE(W*)-B-EC Air volume, m * Correction factor - 15Pa Scheme...
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Page 14: Ordering Key
Ordering Key RECU–300/350/450 –VE(W) – B AC/EC –C4 –F Filter class (F5 or F7) Controller type: C4 Motor type: AC – alternating current, EC – electronically commutated By - pass Air heater: W-water, E-electric Version: vertical Unit size 300,450 (EC), 350 (AC) AHU type: RECU – with plate heat exchanger... - Page 15 UAB AMALVA Ozo str. 10, LT–08200 VILNIUS, LITHUANIA e-mail info@amalva.lt www.amalva.com www.komfovent.com 2012...
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