Enerconcept LUBA GL, Technical Manual

Page 1: ...LUBA GL Roof mounted Collector TECHNICAL MANUAL Version 1 0 EN January 2012 TM...

Page 2: ...n of the Luba GL collectors 13 3 8 Joining duct with balancing damper 13 3 9 Anchoring to the building 14 3 10 Anchoring and guying 14 3 11 Stiff middle bars 15 3 12 Joining to the ventilation unit 15...

Page 3: ...5 3 Pressure loss according to air flow 33 5 4 Operation of the solar and bypass dampers 33 5 5 Air balancing 34 6 Maintenance and warranty 35 6 1 Cleaning the absorber 35 6 2 Availability of parts 35...

Page 4: ...ollector s plenum the air is drawn in through the absorber made of black felt The rugged surface of the back causes a turbulent flow in the collector which leads to greater heat transfer hence increas...

Page 5: ...pports that are sized according to the project The Luba GL collectors can be installed at ground level outside the building as well as on a flat or inclined roof 1 2 Dimensions Table 1 Dimensions of t...

Page 6: ...for industrial commercial institutional and agricultural buildings in cold climates Drying of grains harvest in the agricultural field and in warm climates Preheating of air for air air or air water...

Page 7: ...ottom of the casing The inside of the casing is covered with a black felt acting as the absorber 2 2 Caps Two caps are required on each of the collector rows set up in series The first the joining cap...

Page 8: ...tion is needed with the Luba GL collector system The only insulation is at the bottom and top of the collector where no fresh air is admitted The insulation used is a 25 mm 1 rigid polystyrene board T...

Page 9: ...roofing a black rubber mat may be placed on the roof s membrane before installing the metal supports The support and its components are illustrated in the figure below Figure 5 Support for multi row...

Page 10: ...wind blows in all directions added to the basic snow load in other locations Type III An uneven spreading of the load mentioned in type I considered by the National building code as normal overload on...

Page 11: ...nal contructions of air conditioning machinery but since accumulation is not as great as real multi level roofs reduced C values up to Cs 2 are recommended Taking the preceding into account and althou...

Page 12: ...g on the snow clearance required by the structural engineer the support structure design will vary Figure 8 Clearance and base width of the Luba GL Table 5 Clearance and base width Clearance Base widt...

Page 13: ...allation of the Luba GL system 3 1 Packing The Luba TM GL collector casings are packed in groups of eight 8 the supports in groups of twenty eight 28 and the polycarbonate sheets in groups of 150 Figu...

Page 14: ...s 3 5 Distance between rows A minimal distance between the collector rows must be respected in order to allow full access to sunlight at all times and to avoid shade on the collectors due to the prece...

Page 15: ...d near the solstice 3 6 Choosing the collectors location Sometimes building roofs are completely free of equipment However in many cases equipment destined for ventilation or processes is positioned o...

Page 16: ...orts per collector The collectors are fastened to the supports with aluminum threaded screws see section 4 Mounting instructions Figure 14 Rows of Luba collectors connected to a make up air unit 3 8 J...

Page 17: ...ed roof etc Roof slope and variation of the slope under the collector zone Support capacity of the roof s structure Building height and wind force Available roof space between the existing components...

Page 18: ...GL collector system is joined to the existing ventilation by a duct that is either thermally insulated or painted black and joins the collectors to the unit The required components for proper operatio...

Page 19: ...ctors can be joined to the ventilation ducts allowing the transport of hot air towards the ventilation unit Ventilation ducts with acoustic insulation applied to their interior is recommended It is al...

Page 20: ...site Whereby the collector casing is factory mounted all other parts must be put together on site as illustrated below 4 1 Parts supplied by Enerconcept 4 2 Equipment to be supplied by the installer o...

Page 21: ...Installation of supports on the collector casing Put the casing face down against the ground with the arrows pointing the direction of the air flow towards the duct connection Attach both supports to...

Page 22: ...holes of 8 mm 5 16 for fixation The screws for fastening to the wooden bases are provided by the installer Level the collector by adjusting the casing on the supports Make sure the top of the support...

Page 23: ...20 4 5 Mounting the casing side by side step 1 Repeat the support installation and levelling procedure steps 1 to 6 for each collector Join the casings by overlapping the junction strips and screw the...

Page 24: ...de by side Step 2 cont d Screw the external junction plate at the bottom of the collector Install the internal junction plate Make sure the two felts overlap before installing the junction plate Remov...

Page 25: ...ncept Technologies inc 22 4 6 Duct Connection Install the duct connection at the beginning of the row Align with the mounting flange Install a neoprene gasket between the two parts Join the two parts...

Page 26: ...aMD GL Collector Technical manual Version 1 0 EN January 2012 Enerconcept Technologies inc 23 4 7 End of row Last collector At the end of the collector row install a collector with an end cap on it 14...

Page 27: ...lly Start the installation of the polycarbonate sheets on the casing at the beginning of the collector row with the side having the protective film to the outside Remove the protective film Fix the po...

Page 28: ...H joint between each polycarbonate panel to make the connection between them The H joint will be screwed to the collector casing at the top and bottom The panels are to be installed with two 2 La 112...

Page 29: ...lector Technical manual Version 1 0 EN January 2012 Enerconcept Technologies inc 26 4 10 Polycarbonate End of row Cut the polycarbonate panel at the right length and attach to the casing using La 112...

Page 30: ...Install the flashing at the top and bottom of the collector U flashing on top and L flashing at the bottom At the end of the row of collectors cut the flashing to the desired length use the remaining...

Page 31: ...hem Then join the collectors with the La 220 mounting bars Position the bars as indicated on the technical drawings 4 13 Anchor point and mounting bars On the first row drill the mounting bar at the e...

Page 32: ...hnologies inc 29 4 14 Mounting bar joints Assemble the mounting bars with the mounting bar fasteners La 221 Ensure the strength of the assembly 4 15 Anchor point Last row Drill the mounting bars at th...

Page 33: ...ate in the collectors However the Luba GL collectors may be adapted to heating ambient air in an indirect yet efficient manner by installing them upstream from an air heat pump or a heating unit s bur...

Page 34: ...s an air flow of less than 5 cfm ft 2 allows up to a 77 F 25 C temperature rise above a mbient temperature In systems with great air volume and restrained physical space Enerconcept recommends that th...

Page 35: ...LubaMD GL Collector Technical manual Version 1 0 EN January 2012 Enerconcept Technologies inc 32...

Page 36: ...h per m 2 of collector 5 4 Operation of the solar and bypass dampers The Luba GL collector system is a constant total air volume system A bypass damper is positioned in front of the air intake in para...

Page 37: ...nuously during the course of a day s operation depending on the amount of sunlight and outside temperature 5 5 Air balancing When there is more than one row of collectors Enerconcept Technologies prov...

Page 38: ...The entire Luba GL collector system is designed without mobile parts in order to facilitate assembly The life expectancy of the product is 25 years Each part of the collector is made of steel except...

Page 39: ...LubaMD GL Collector Technical manual Version 1 0 EN January 2012 Enerconcept Technologies inc 36 7 Luba GL collector system Some projects...