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Summary of Contents for Airflow Duplexvent MULTI
- Page 1 INSTRUCTION MANUAL Duplexvent MULTI, MULTI-ECO and Basic units - indoor version -...
- Page 2 Dear customer, Thank you for selecting our product. We hope it will work to your full satisfaction. The installation manual contains all necessary instructions, information, advices and recommendations for safe and correct equipment installation and commissioning. Please, read the manual carefully and follow the instructions. Explanation of used symbols: Items or sections marked with Ü, or with grey background apply only to appliances manufactured in compliance with the hygienic requirements of Regulation VDI 6022 (marked on the identification plate,...
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Page 3: Table Of Contents
C o n t e n t s Storage and transport ..................4 1.1. Transport of compact units ................4 1.2. Transport of semicompact units ..............5 Equipment installation ..................5 2.1. Safety rules..................... 5 2.2. Hygienic instructions and requirements ............6 2.3. -
Page 4: Storage And Transport
S t o r a g e a n d t r a n s p o r t ● The appliance may only be stored in dry, covered places with ambient temperature between -25°C and +55°C in such a manner so as to keep the surfaces that will be in contact with transported air weather-protected, dry and clean. -
Page 5: Transport Of Semicompact Units
1.2. Transport of semicompact units Semicompact units consist of two or three blocks that form the unit once they are connected together. Blocks of semicompact unit Lift the blocks of semicompact units one after another. The lifting bars must be Tie up individual blocks from underneath before lifting them. -
Page 6: Hygienic Instructions And Requirements
medium, the appliance must be drained of the remaining heating medium, dried properly and disconnected from power supply. 2.2. Hygienic instructions and requirements ● If installation is interrupted or heavy dusting occurs, cover all openings of the appliance in such a way so as to ensure that surfaces to be in contact with transported air remain protected against the weather and stay clean and dry. -
Page 7: Compact Units Multi And Multi Eco
2.3. Compact units Multi and Multi Eco Units Duplexvent 1500 to 8000 Multi and Duplexvent 1500 to 6500 Multi Eco represent a new generation of versatile compact ventilation units with a counterflow heat exchanger. The units are intended for indoor installation; they are used for comfortable ventilation, hot-air heating and cooling in small facilities, shop floors, stores, schools, restaurants, shops, sports, industrial halls. -
Page 8: Assembly Of Compact Units
1. Exhaust (extract air) 9. Intake (supply air) 2. Exhaust fan 10. Supply air filter 3. Heat exchanger 11. Bypass flap 4. Water cooling / direct evaporator 12. Condensate drain 5. Junction box 13. Circulation flap 6. Water heating 14. Exhaust air filter 7. -
Page 9: Floor-Standing Position
Standard door Hingeless door Duplexvent Unit Type T (mm) T (mm) Multi Multi Eco 500 Multi 500 Multi Eco 1000 Multi 800 Multi Eco 1100 Multi Eco 1000 1500 Multi 1500 Multi Eco 1200 2500 Multi 2500 Multi Eco 1200 3500 Multi 1200 3500 Multi Eco... -
Page 10: Ceiling-Suspended Position
Units 1500 to 8000 Multi(-V), 1500 to 6500 MultiEco(-V), 1400 to 10100 Basic(-V): Level both the longer and shorter side of the casing horizontally. · The unit must be secured against movement. Door Door Hinges Wall Manipulation space, Door of unit, floor-standing position floor-standing position Ceiling-suspended position: ●... - Page 11 Ceiling Manipulation space Use suspension brackets (standard supply) to hang the equipment on sufficiently-sized anchors (provided by the building contractor). The dimensions of suspension points are detailed in the selection software Duplexvent in Design > AHU placement method, as well as in the technical specification that forms an integral part of purchase contract on the ventilation unit.
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Page 12: Floor-Standing Flat Position
8000 Multi, 6500 MultiEco Eight brackets delivered separately Description: Suspension bracket Washer spreading the weight Silent block *) Washer M10 *) Nut M10 *) Screw rod M10 *) *) Not included in the delivery Floor-standing flat position: ● Put the equipment on stand feet having the height of 150 mm. ●... -
Page 13: Assembly Of Semicompact Units
Example of block arrangement in a semicompact unit Duplexvent Multi / Multi Eco Description: 1,2,3 – blocks of the unit e1 - Intake (supply air) i1 - Intake (extract air) e2 - Exhaust (supply air) i2 - Exhaust (extract air) 2.7. - Page 14 The door is attached to the unit by plastic lockers. Depending on which lockers you loosen, you can open the door to the right, to the left or loosen the door completely and pull the door away. Make sure that the sealing on the middle block 2 is complete on the side both towards the blocks 1 and 3: a.
- Page 15 Levelling the blocks of the unit Tighten the lower part of blocks 1 and 2 by using M8 bolts slightly together. Use triangle members in inner corners. Slightly tighten the upper part of blocks 1 and 2 using M8 bolts and nuts. Tightening the unit blocks together...
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Page 16: Description Of Assembled Unit
Gradually tighten the connections. Using the spirit level make sure that the blocks being connected remain levelled. Once you connect the blocks 1 and 2 the sealing between the blocks should be adhering to the construction of blocks along the whole length of the sealed connection. Make a visual check to make sure that no light passes through the connection of the blocks. -
Page 17: Connecting Fans
Connecting fans Connected on delivery: · Fan Me is connected to wiring box, leading further into junction box. · Fan Mi is connected to wiring box. Connect: · Lead the cable Mi with the working voltage 400V from the junction box into the wiring box. ·... -
Page 18: Connecting Temperature Sensors
Connecting temperature sensors Connected on delivery · Sensors TEB and TU1 are connected to the junction box; Connected on delivery, optional equipment · Sensor TFK is connected to the junction box. Connect · Lead the cables TEA and TU2 with temperature sensors from the junction box into their intended position;... -
Page 19: Connecting Servo Motors
Connect, optional equipment · Lead the cable PMi from the junction box to the manometer PMi; · Lead the hoses of the pressure measurement point PDi from the top side of the compartment C through a feed-through. The shorter hose ends up after going through the feed-through. Lead the longer hose to the nozzle of the fan Mi. -
Page 20: Covering The Slots
Connect, optional equipment · Lead the cable actuating the circulation flap (SC) from the junction box to the wiring box; · Lead the cable actuating the supply air flap Se from the junction box to the wiring box. Connection of servo motors and regulation Covering the slots Cover the slots where cables lead from the junction box. -
Page 21: Ductwork Connections
Unit with covered slots, view from the left side 2.8. Ductwork connections ● Connect the ductwork according to the design documentation. Make sure that the air exhausted at i2 does not return back to the fresh air supply e1. ● A straight duct being at least 1 m long must be firmly connected to all ports to achieve an equal air speed profile is throughout the whole port’s cross-section area. -
Page 22: Connecting Hot-Water Heating Coil To A Heating Water Supply
2.10. Connecting hot-water heating coil to a heating water supply When connecting the water heating coil follow the instructions below: 1. Maximum allowable heating medium temperature is 110°C. The max. operating pressure is 1.0 MPa. 2. To ensure correct performance of the heating coil hydraulic kit, fit the system with a pump with sufficient performance that covers the entire pressure drop. -
Page 23: Installation And Connection Of Inclined Manometers
2.14. Installation and connection of inclined manometers If the appliance is supplied without liquid manometers for measuring the pressure difference of air filters, place each manometer on a suitable vertical surface near the pressure measurement points (the maximum length of connecting hoses is 1 meter). Suitable location is indicated in the production by a sunk slot where drilling can begin. -
Page 24: Electrical Wiring
1. The electrical wiring in the equipment observes valid standards for electrical connections to the TN- C, TN-S, TN-C, S networks. Only a qualified person possessing valid service certificate issued by Airflow Developments Ltd. may carry out the electrical wiring work. The equipment is fitted with terminals for external common grounding. -
Page 25: Hygienic Instructions For The Appliance To Comply With Vdi 6022
4.2. Hygienic instructions for the appliance to comply with VDI 6022 Ü Before commissioning the appliance must be thoroughly cleaned; in case of stricter hygienic requirements wiping disinfection must be carried out. Ü After disinfecting make sure that no toxicologically suspicious or odour-active substances enter the air to be supplied! Ü... -
Page 26: Connecting Blocks Of Semicompact Units Using Connectors, Annex
7 . C o n n e c t i n g b l o c k s o f s e m i c o m p a c t u n i t s u s i n g c o n n e c t o r s , a n n e x The chapter describes the way of connecting wiring between blocks of semicompact units by using connectors. -
Page 27: Connecting Temperature Sensors And Condensate Drain Heating
7.2. Connecting temperature sensors and condensate drain heating Connected on delivery: ● Sensors TEB and TU1 are connected up to the junction box; Connected on delivery, optional equipment: ● Sensor TFK is completely connected up to the junction box. ● Cable powering the condensate heating HC is connected to the connector. -
Page 28: Connecting Pressure Sensors
7.3. Connecting pressure sensors Connected: ● Manostat PFi is connected up to the junction box; ● Manostat PFe is connected to the connector. Connected, optional equipment: ● Manometer cable PMe is connected up to the junction box; ● Pressure measurement point PDi measuring the pressure increase of the fan Mi is installed on the left side of the unit. -
Page 29: Connecting Servo Motors
Connection of pressure sensors 7.4. Connecting servo motors Connected: ● Cable powering the by-pass flap (SB) is connected to the connector. Connected, optional equipment ● Circulation damper (SC) servo motor is connected to the connector. ● The circuit of cooler CHW is connected to the hydraulic kit. ●... - Page 30 Connect, optional equipment: ● Connect connector powering the circulation flap (SC). Available only for units equipped by RD5 regulation or for units without regulation. green green ● Connect connector powering the supply air flap Se; the same connector powers also the manostat PFe.
- Page 31 Notes ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
- Page 32 Call: 01494 525252 80000582 Issue 2 01/21...
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