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Skov DA 820 Mounting Manual

Chimney/wall outlet
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DA 820 chimney/wall outlet
Mounting Guide
English For other language variants of this document we refer to:
Español Para otras variantes del idioma de este documento, visite:
Français Pour les versions dans d'autres langues de ce document veuillez consulter:
http://docs.skov.com/1220
604346 • 2021-06-29

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  • Page 1 DA 820 chimney/wall outlet Mounting Guide English For other language variants of this document we refer to: Español Para otras variantes del idioma de este documento, visite: Français Pour les versions dans d'autres langues de ce document veuillez consulter: http://docs.skov.com/1220...
  • Page 3 The date of change appears from the front and back pages. Note • All rights belong to SKOV A/S. No part of this manual may be reproduced in any manner whatsoever without the expressed written permission of SKOV A/S in each case.

  • Page 4: Table Of Contents

    DA 820 chimney/wall outlet 1 Product description............................ 6 2 Product survey ............................... 7 Outline of chimney........................ 7 2.1.1 Above the roof.......................... 8 2.1.2 Lead-through.......................... 10 2.1.3 Attic/section.......................... 12 2.1.4 Inlet ............................ 13 Outline of wall exhaustion ......................  16 3 Mounting guide............................. 18 Recommended tools........................  18 Mounting examples .........................
  • Page 5 DA 820 chimney/wall outlet 3.22.2 Mounting wall exhaustion...................... 45 3.22.3 Mounting supporting ring and relief wire .................. 48 3.22.4 Mounting wall exhaustion onto a box.................. 49 3.22.5 Mounting light trap ........................ 51 4 Maintenance instructions .......................... 52 Cleaning............................  52 Recycling/Disposal ........................ 52 5 Technical data............................... 53...

  • Page 6: Product Description

    DA 820 chimney/wall outlet 1 Product description The DA 820 components are used for extracting air from livestock houses. The DA 820 is aerodynamic and pro- vides high air output with low energy consumption. TheDA 820 is made of a special polypropylene material, which withstands heavy high-pressure cleaning The special polypropylene is smooth and anti-soiling and DA 820 is thus easy to clean.

  • Page 7: Product Survey

    DA 820 chimney/wall outlet 2 Product survey 2.1 Outline of chimney Above the roof Lead-through Mounting Guide...

  • Page 8: Above The Roof

    Supplied with mounting set. 434612 DA 820 roof cap ø1400 with net, gray 434613 DA 820 roof cap ø1400 with net, black The roof cap with net prevents birds from entering the house and reduces water penetration problems, but please note that the chimney output will also be reduced.
  • Page 9 DA 820 chimney/wall outlet 434655 DA 820 bird protection f. outlet cone, set Used to prevent birds making contact with the outlet cone. Supplied with screws. 434600 DA 820 outlet cone, grey 434601 DA 820 outlet cone, black Outlet cone which reduces water penetration problems and the pressure loss.

  • Page 10: Lead-Through

    434616 DA 820 duct,out ø880x1000 gray 434617 DA 820 duct out ø880x1000 black It is used as an outer duct around the DA 820 duct when extending the duct above the roof. You typically apply the outer duct if customers want a double duct construc-...
  • Page 11 The roofing sheet is used for mounting on the side and is available in differ- ent versions in terms of roofing sheet types and pitches. 434642 DA 820 rf sh, side, long gray 434643 DA 820 rf sh, side, long black...

  • Page 12: Attic/Section

    434605 DA 820 duct 750 mm, black Duct without fan suspension. Supplied with screws. 434606 DA 820 duct with fan suspension, grey 434607 DA 820 duct with fan suspension, black Duct (750 mm) with shoe for suspension of fan unit.

  • Page 13: Inlet

    DA 820 chimney/wall outlet 2.1.4 Inlet 434658 DA 820 bell m/chimney stepless DynAir gray 434659 DA 820 bell m/chimney stepless DynAir black You use it for stepless DA820 exhaust units, where the maximum air vol- ume is 12,500-29,000 m It comes with Dynamic Air sensor, bell mouth, swivel shutter, baffle plates, and a DA 74CV stepless swivel shutter motor.
  • Page 14 434623 DA 820 swivel shutter black Used for mounting in duct. Supplied with axle. 434628 DA 820 butterfly flap w/bell mouth Use it until the ON/OFF exhaust unit opens through an air current. The air output of the exhaust unit will be reduced.
  • Page 15 DA 820 chimney/wall outlet 434018 Dynamic Air - kit for bell mouth/chimney Dynamic Air sensor (0-300 Pa) for measuring and regulation of air output for stepless chimneys. This article number is only used for the purpose of retrofitting on existing chimneys.

  • Page 16: Outline Of Wall Exhaustion

    If an extra wall cover is needed, order 434624 DA 820 wall cover and 560322 DA 820 mounting set for wall cover. 434667 DA 820 wall exhaust ON/OFF gray Used for ON/OFF wall exhaust units.
  • Page 17 Used when mounting wall exhaustion for closure against wall. May be used both outdoors and indoors. When using wall covers order one 560322 DA 820 mounting set for wall cover per wall exhaust. 560322 DA 820 mounting set for wall cover Used for wall exhaustion for closure against wall.

  • Page 18: Mounting Guide

    DA 820 chimney/wall outlet 3 Mounting guide If the DA 820 is installed in areas with risk of ice/snow slide, precautions must be made to avoid damage to the chimney and wall exhaustion. 3.1 Recommended tools A list of the recommended tools for mounting purposes can be seen below.
  • Page 19 DA 820 chimney/wall outlet Item Description Hammer drill Jigsaw Ladder Screwdriver Adjustable spanner Socket wrench set Allen key Water pump pliers Spirit level Try square Mounting Guide...

  • Page 20: Mounting Examples

    DA 820 chimney/wall outlet 3.2 Mounting examples Check if the building corresponds to the drawing with regard to chimney placement, roof pitch and roof type. Ridge mounted Side mounted 3.2.1 Long chimney Long chimney with outside duct Long chimney with single layer duct...

  • Page 21: General Drawing

    DA 820 chimney/wall outlet 3.3 General drawing General drawing with references for using the various parts. Mounting roof cap [} 32] Mounting the outlet cone and roof duct [} 23] Mounting the roof duct and duct [} 23] Mounting the duct [} 22] Long chimney with outside duct [} 32] Roof duct in roof [} 26]...

  • Page 22: Mounting The Duct

    DA 820 chimney/wall outlet 3.4 Mounting the duct Assemble the duct by applying slight pressure in order to engage the labyrinth joint. When several subsequent ducts are mounted, the longi- tudinal joint must be offset one quarter of a turn so that the ducts retain their round shape.

  • Page 23: Mounting The Outlet Cone And Roof Duct

    DA 820 chimney/wall outlet Mount the shortened part on the other duct using eight 6 × 23 mm screws. 3.5 Mounting the outlet cone and roof duct Turn the outlet cone so that the click joints are opposite each other; then press the items firmly together until a click is heard.

  • Page 24: Mounting Roof Sheet

    DA 820 chimney/wall outlet 3.7 Mounting roof sheet 3.7.1 Roofing sheet in a corrugated roofing sheet construction Remove a roofing sheet, which completely or partly matches the chimney roofing sheet and detach the over- lying sheet. Place the roofing sheet and check if there is sufficient passage for the duct at measurement D.
  • Page 25 DA 820 chimney/wall outlet Use a crowbar to loosen the steel plate of the sandwich roofing sheet, so the flat roofing sheet can be slid 70 mm underneath the steel plate of the sandwich roofing sheet. The flat roofing sheet now fits the size measured out.

  • Page 26: Roof Duct In Roof

    DA 820 chimney/wall outlet 3.8 Roof duct in roof Make a request for paper templates from the SKOV Service Department to facilitate the cutting. Use a template that corresponds to the correct roof pitch. Ceiling pitch 1016 1086 1177 Measurement A...

  • Page 27: Flat Roofing Sheet In A Corrugated Steel Plate Construction, Ridge

    DA 820 chimney/wall outlet Mount the flat roofing sheet using screws. Complete the jointing of the flat roofing sheet using joint sealer. Make sure that the crests of corrugation at the top and bottom are closed with joint sealer. 3.8.1 Flat roofing sheet in a corrugated steel plate construction, ridge The roof duct requires a minimum of 832 mm space be- tween the rafters.

  • Page 28: Flat Roofing Sheet In A Corrugated Steel Plate Construction, Side

    DA 820 chimney/wall outlet 3.8.2 Flat roofing sheet in a corrugated steel plate construction, side The roof duct requires a minimum of 832 mm space be- tween the rafters. Drill through the roofing sheet at the bottom of the lath the flat roofing sheet is to be mounted on.
  • Page 29 DA 820 chimney/wall outlet Slide the flat roofing sheet in between the laths and cor- rugated steel plate. Now push the roof duct so it reaches the corrugated steel plate. Make joints on the sides. Secure the roofing sheet at the sides.

  • Page 30: Check If The Top Is Level

    DA 820 chimney/wall outlet Secure the flat roofing sheet at the top and bottom. Seal the sides at the top. Cut away any lath that may be obstructing the roof duct. 3.8.3 Check if the top is level Check whether the top level is horizontal. Use a spirit level.

  • Page 31: Mounting The Environment Module

    DA 820 chimney/wall outlet Mount the duct part so that the direction of the pins (A) on the bottom duct are longitudinal and cross-wise in the house and not 45° sideways, as this will prevent the bell mouth and swivel shutter from being mounted correctly.

  • Page 32: Mounting Roof Cap

    DA 820 chimney/wall outlet 3.11 Mounting roof cap Drill Ø7 mm holes in the roof cap/light tray according to the punch dots. Mount eight holders for roof cap with screws, washers and nuts. Mount holder for roof cap in roof duct with eight screws.

  • Page 33: Outlet Cone And Roof Duct On Outside Duct

    DA 820 chimney/wall outlet 3.12.2 Outlet cone and roof duct on outside duct Lower the outlet cone and roof duct down through the duct. Turn the outlet cone and roofing sheet so that the direc- tion of the rib (A) is longitudinal and cross-wise in the house and not 45°...

  • Page 34: Mounting Storm Protection Kit On Roof Duct With Outside Duct

    DA 820 chimney/wall outlet 3.12.4 Mounting storm protection kit on roof duct with outside duct Always mount storm protection if more than two ducts are mounted above the roofing sheet. 1. Drill four Ø8.5 mm holes between ribs in the roof duct. Mount eye screws and washers on the outside.

  • Page 35: Long Chimney, Single Layer

    DA 820 chimney/wall outlet 3.13 Long chimney, single layer 3.13.1 Shortening of roof ducts Measure 137 mm downwards. Shortening roof duct. 3.13.2 Mounting the duct in roof duct Saw off 30 mm of the joint and saw off the four screw towers.
  • Page 36 DA 820 chimney/wall outlet Push down the duct, so it is supported on the eight ribs in the roof duct. Use a spirit level to make sure it is level. Measure 7 mm up in the duct and place nine screws in the duct and roof duct.
  • Page 37 Check before foaming how much the foam expands. Foam between roof duct and duct. SKOV A/S recommends Sikaflex AT Connection or MS polymer 1 component or equivalent. Seal the gap between the roof duct and duct. For mounting in the roof sheet, see section Mounting duct unit on roof sheet [} 30]...

  • Page 38: Duct, Outlet Cone And Roof Duct Up To 4 Meters

    DA 820 chimney/wall outlet 3.13.3 Duct, outlet cone and roof duct up to 4 meters Supporting ring In connection with long chimneys, a support ring must be mounted for each 1.5-meter duct. Supporting ring Mounting Guide...

  • Page 39: Mounting Storm Protection Kit On Roof Duct

    45°. 4. Add extra reinforcement below the roofing sheet. 3.14 Lead-through in ceiling Make a request for paper templates from the SKOV Service Department to facilitate the cutting. Use a template that corresponds to the correct roof pitch. Ceiling pitch...

  • Page 40: Mounting The Fan

    Be careful not to tighten the screws too much. The fan blades of the DA 820 fan must turn downward. Position the legs of the fan in the four fan suspensions. Fasten all four fan supports using cable ties around the fan suspension and rubber suspension.

  • Page 41: Mounting Air Direction Baffles

    DA 820 chimney/wall outlet 3.15.2 Mounting air direction baffles Only mount air direction baffles on the units running stepless. Use 6 x 23 mm screws screwed in at the punch dots. Cut off the spacers on air directions baffle when it is mounted.

  • Page 42: Foaming And Sealing Of The Duct Unit

    DA 820 chimney/wall outlet 3.17 Foaming and sealing of the duct unit Foam the duct unit to ensure insulation. Finally, finish the sealing to ensure a clean finish, which does not give rise to moisture and is easier to clean.

  • Page 43: Mounting The Light Tray

    DA 820 chimney/wall outlet 3.19 Mounting the light tray The light tray is suspended by three steel bands. Drill three Ø6.5 mm holes in bell mouth, the position of the holes is marked on the surface. Mount screws and washers.

  • Page 44: Mounting The Drip Tray

    DA 820 chimney/wall outlet 3.21 Mounting the drip tray The max. load of the drip tray is 30 liters. Drill eight Ø6.5mm holes in the base for overflow. The drip tray is suspended by six chains. Drill six Ø6.5 mm holes in the punch marks between the ribs in the drip tray.

  • Page 45: Wall Exhaustion

    DA 820 chimney/wall outlet 3.22 Wall exhaustion Wall exhaustion is used for air outlets from the livestock house through the exhaust unit by using a fan and swivel shutter placed in the wall. 3.22.1 Mounting screws in sandwich panel Use tapping screw 5x16 flange when mounting on sandwich panels.
  • Page 46 DA 820 chimney/wall outlet Mount the wall cover on the duct using screws, washers and nuts. Measure and saw out the holes. The winch motor is placed as shown on the drawing. Mount the wall exhaustion on the internal wall by screw- ing through the wall cover.
  • Page 47 Mount the four fan suspensions using 6 x 23 screws in the marked positions. Be careful not to over-tighten the screws. DA 820 fan must face the fan blades inward. Position the legs of the fan in the four fan suspension units.

  • Page 48: Mounting Supporting Ring And Relief Wire

    Check before foaming how much the foam expands. Foam the hole from the outside. SKOV A/S recommends Sikaflex 111 Stick & Seal. When the foam is dry, finish with a sealing edge. Mount the wall cover both internally and externally. For mounting of sandwich panel see section Mounting screws in sandwich panel [} 45].

  • Page 49: Mounting Wall Exhaustion Onto A Box

    3.22.4 Mounting wall exhaustion onto a box Mount the wall exhaustion onto a box to prevent it from reaching into the livestock house. The box is not supplied by SKOV A/S. Make a box with internal dimensions of 1170 x 1170 The box must be at least 320 mm deep due to the shut- ter.
  • Page 50 DA 820 chimney/wall outlet Mount the ring, duct and roof duct. Mount the wire, see the section Mounting supporting ring and relief wire [} 48]. Remember to use a spirit level at all times. Apply a sealing edge of joint sealer between the box and wall, as well as between the bell mouth and box.

  • Page 51: Mounting Light Trap

    DA 820 chimney/wall outlet 3.22.5 Mounting light trap When the wall exhaustion is mounted on a box, it is pos- sible to mount a light trap. Mounting Guide...

  • Page 52: Maintenance Instructions

    DA 820 chimney/wall outlet 4 Maintenance instructions 4.1 Cleaning The product may be cleaned by a high-pressure cleaner without using: • solvents • corrosive/caustic agents 4.2 Recycling/Disposal Products suitable for recycling are marked with a pictogram. It must be possible for customers to deliver the products to local collection sites/recycling stations in accordance with local instructions.

  • Page 53: Technical Data

    DA 820 chimney/wall outlet 5 Technical data Mechanical PP T20 Material Black, gray Color Environment °C (°F) -30 to +70 (-22 to +158) Temperature, operation °C (°F) -40 to +65 (-40 to +149) – and protected against direct sunlight. Storage temperature...
  • Page 54 DA 820 chimney/wall outlet Mounting Guide...
  • Page 56 SKOV A/S • Hedelund 4 • Glyngøre • DK-7870 Roslev Tel. +45 72 17 55 55 • www.skov.com • E-mail: skov@skov.dk...

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