SystemAir HHFlex Mounting Instructions
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SystemAir HHFlex Mounting Instructions

Air handling units
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HHFlex Air Handling Units
Mounting instructions

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Summary of Contents for SystemAir HHFlex

  • Page 1 HHFlex Air Handling Units Mounting instructions...

  • Page 2: Table Of Contents

    HHFlex Air Handling Units CONTENTS 1 - TRANSPORT AND LIFTING INSTRUCTIONS ....................3 1.1 - General ..................................3 1.2 - Transport and storage ..............................3 1.3 - Roof edge protection during transport (outside installation) ................3 1.4 - Offloading and hoisting ............................... 3 1.5 - Horizontal transport ..............................

  • Page 3: Transport And Lifting Instructions

    1.1 - GENERAL 1.4 - Offloading and hoisting Transport and lifting of the HHFlex air handling units (AHU) must always be in accordance with the instruc- Depending on the dimensions of the AHU and the tions below.

  • Page 4: Horizontal Transport

    HHFlex Air Handling Units Fig. 5 - Vertical transport using a lifting beam The following material is supplied as an option by Systemair B.V.: • Siphon • Anti-vibration mats • Outside air suction grille • Heat recovery wheel control •...
  • Page 5 HHFlex Air Handling Units Fig. 7 - Fastening the lifting bars - 1 • Position the lifting cables on the lifting bars (4 or 6 off). Evenly positioned spacer bars should be used between the lifting cables to prevent damage to the top of the unit and ensure that no excess pressure is applied to the side panels.

  • Page 6: Assembly

    HHFlex Air Handling Units 4 - ASSEMBLY Fig. 13 - Linking the casing sections with pull ropes 4.1 - AHU assembly • Place the anti-vibration mats where the first casing section will be positioned. • Place the first casing section on the anti-vibration mats, and then remove the lifting bars.
  • Page 7 HHFlex Air Handling Units Method 1 • Remove the first two corners and mount the This method applies for sections that end in joint aluminium connection strip to the base. Remove mullions: the next two corners and mount the connection strip against the side wall.

  • Page 8: Connecting Casings Of Differing Height

    HHFlex Air Handling Units Fig. 24 - Roof finish, units of differing height - 1 • Link the sections by connecting the pre-mounted corner posts with bolts and nuts (M6). Fig. 22 - Connecting the corner posts NOTE: All resulting external joints should be sealed.

  • Page 9: Stacked Casing Sections

    HHFlex Air Handling Units 5. STACKED CASING SECTIONS Outdoor installation • Position the casing sections on top of one another 5.1 - Unit without intermediate base frame (equal so that the corner posts are in the same plane. width) •...

  • Page 10: Unit With Intermediate Base Frame (Equal Width)

    10 | HHFlex Air Handling Units Fig. 30 - Roof finish, unit with shorter top section Indoor installation without intermediate base frame For indoor installation connection profiles of 240 mm length are supplied. • Position the casings on top of one another so that the corner posts are in the same plane.
  • Page 11 | 11 HHFlex Air Handling Units Fig. 36 - Fixing profile, length direction, unit with There is no need for a connection profile at the ends of intermediate base frame the unit. NOTE: The maximum distance between two connection Cross section of length direction (A-A) profiles is 960 mm.

  • Page 12: Units With Differing Widths

    12 | HHFlex Air Handling Units Fig. 37 - Fixing profile, width direction, unit with View of width direction if the top section is shorter intermediate base frame Fig. 39 - Roof finish, shorter top section with View of width direction, equal casing length (B) intermediate base frame •...
  • Page 13 | 13 HHFlex Air Handling Units Fig. 43 - Unit of unequal width - situation A Cross section of width direction Fig. 41 - Width direction view, unit of unequal width n x module • Side 1: Cut the connection profile to the correct length and mount it on the correct side (see Fig.

  • Page 14: Fresh Air Inlet Hood

    14 | HHFlex Air Handling Units Fig. 49 - Unit of unequal width - situation D • Side 1 and 2: Cut the connection profiles to the correct length and mount them on the correct sides (see Fig. 44) •...

  • Page 15: Roof Cover

    | 15 HHFlex Air Handling Units 7 - ROOF COVER Fig. 52 - Roof finish, method 2 For outdoor installations the roof cover should be provided with a finish. If the casing section has a flat top use one of the following two methods: Method 1 •...
  • Page 16 Tel: +31 (0) 416 68 55 55 Fax: +31 (0) 416 37 17 95 www.systemair.nl HHFlex-MI-HH-UK-10-2015. Manufactured by: Systemair B.V., Waalwijk, Netherlands Manufacturer reserves the right to change any product specifications without notice. The cover illustration is solely for lllustration purposes and not contractually binding.

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