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SystemAir HHFlex, Mounting Instructions, Page: 16 / 16

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SystemAir HHFlex Mounting Instructions Download Page 16

Systemair B.V.
Zanddonkweg 7A, 5144 NX  Waalwijk
P.O. Box 159, 5140 AD Waalwijk 
Netherlands
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.

Summary of Contents for HHFlex

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

Page 2: ...CTIONS 4 3 1 General 4 3 2 Lifting bar certification 4 3 3 Fastening of the lifting bars 4 4 ASSEMBLY 6 4 1 AHU assembly 6 4 2 Connecting casings of equal width and height 6 4 3 Connecting casings of differing height 8 5 STACKED CASING SECTIONS 9 5 1 Unit without intermediate base frame equal width 9 5 2 Unit with intermediate base frame equal width 10 5 3 Units with differing widths 12 6 FRESH AI...

Page 3: ...its are attached to the loading surface with tie ropes pulled across the unit towards the side edges of the truck On external units to protect the roof edge from distortion by the tie ropes protection pieces are added 1 4 Offloading and hoisting Depending on the dimensions of the AHU and the situation on site the AHUs are supplied in previously agreed transport sections Before proceeding with the ...

Page 4: ... control Steam generator plus accessories Minihelic and Allen key instructions Door key Check that all necessary parts are supplied with the AHU Measure the location and make sure it is tidy The floor of the installation area should be level and flat to avoid connection problems Any uneven surfaces should be evened out with infill plates Determine the correct assembly sequence of the AHU sections ...

Page 5: ...ig 10 Vertical transport using spacer bars For hoisting ensure that the weight is evenly distributed and that all previous steps are carried out correctly If there is not enough space it may not be possible to remove the lifting bars In the example below the lifting bars cannot be removed on the right hand side of the 6th AHU section as the wall is too close and the lifting bars are too long It wo...

Page 6: ...hat they can be pulled closer towards each other There are two methods for pulling the sections towards each other Method 1 Pull the sections against each other using the pull ropes attached to the lifting bars Pull evenly on both sides of the AHU Fig 13 Linking the casing sections with pull ropes Method 2 Insert a bar with threaded ends through both lifting bar holes Screw a nut onto the threaded...

Page 7: ...orners with a bolt The sections must be fully aligned Fig 18 Corner connection Remove the first two corners and mount the aluminium connection strip to the base Remove the next two corners and mount the connection strip against the side wall Repeat this for the other AHU corners Fig 19 Fixing the connection strip Method 2 This method applies for sections that end with corner posts Fig 20 Corner po...

Page 8: ...rovided Add a second cover strip over these screws Position the sections against each other so that the corner posts of both casings are touching and first connect the sections internally as described in chapter 4 2 Attach the projecting strip of the plastic roof foil over the connection profile of the lower casing section with a blow dryer Fig 24 Roof finish units of differing height 1 NOTE All r...

Page 9: ...nds need no further finish Fig 27 Mounting profile indoor location unit without intermediate base frame Outdoor installation Position the casing sections on top of one another so that the corner posts are in the same plane Mount the profiles supplied as described below For sections of equal length mount the profiles all round the unit Fig 28 Mounting profile outdoor location unit without intermedi...

Page 10: ...d Position the casings on top of one another so that the corner posts are in the same plane The base frame of the top section should be slightly back compared to the bottom casing section If stacking units in an indoor installation the connection profiles should be placed between the different unit sections Use the following assembly method Install a connection profile to the end of the casing sec...

Page 11: ...se profiles should be mounted over the entire unit length and width Fig 35 Stacking outside location Bear in mind that different connection profiles are used for the length and width directions of the cabinet Length direction Cut the connection profile supplied to the correct length and mount it as described below Fig 36 Fixing profile length direction unit with intermediate base frame Cross secti...

Page 12: ...p Fig 40 Unit with longer top section with intermediate base frame NOTE For an outdoor installation seal all jonts resulting from the mounted profiles This applies to both corner and butt joints 5 3 Units with different widths For units with different widths there are four different situations For an indoor installation the method described below applies to all situations Indoor installation The t...

Page 13: ...ver the entire unit length and width Position the top section as indicated in the dimensional drawing The position of the top section can be as described in one of the four situations below Fig 43 Unit of unequal width situation A Side 1 Cut the connection profile to the correct length and mount it on the correct side see Fig 36 Side 2 Cut the connection profile to the correct length and mount it ...

Page 14: ...ed over these profiles Fig 48 Roof finish projecting cross beam 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 side see Fig 44 Side 3 Cut the connection profile to the correct length and mount it on the correct side see Fig 37 Side 4 Cut the connection profile to the correct length and mount it on the correct si...

Page 15: ...g sections to be connected is clean and dust free Attach the roof cover strip with a blow dryer over the entire length of the joint up to the roof edge Remove any excess roof foil up to the underside of the roof edge Fig 51 Roof finish method 1 Method 2 Fix sealing tape to the connection profiles Drill 160 mm holes with a 10 mm diameter through the connection profiles Be sure to remove the drill s...

Page 16: ...16 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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