Rotary heat exchangers Content Instructions for installation, commissioning and maintenance 1 Use 10 Maintenance and repair 1.1 Intended use ..............3 10.1 Maintenance schedule ..........29 1.2 User group ..............3 10.2 Cleaning ..............29 10.3 Spare parts ..............29 10.4 Replacement of the brush seal ........
1.1 Intended use Rotary heat exchangers Hoval rotary heat exchangers are energy recovery units for installation in venti- lation and air-conditioning units and for process engineering applications. They transfer energy through a rotating storage mass, which is alternately heated by one air stream and cooled by the other.
Rotary heat exchangers Safety Instructions for installation, commissioning and maintenance 2 Safety 2.1 Symbols Caution This symbol warns against risk of injury. Please heed all instructions designated by this symbol to prevent injuries and/or death. Attention This symbol warns against property damage. Please heed the respective instructions to prevent risk of damage to the unit and its functions.
Rotary heat exchangers Delivery Instructions for installation, commissioning and maintenance 3 Delivery 3.1 Scope of delivery Rotary heat exchangers are delivered on pallets and packaged in film. The scope of delivery includes: 1-piece rotary heat exchangers with casing: ■ Rotary heat exchangers, fully assembled ■...
■ Wheel orientation ■ Wheel diameter ■ Casing type ■ Drive system ■ Purge sector ■ Options Type: ST1-LL-SV-1200-PR-V7-A1-5 Typ: W1400,H1400,CCP,SHM,RG3 Serial no.: 1201620906-020-01 Serie-Nr.: Fig. 5: Type label Net weight: Max. temperatur: Nettogewicht: Max. Temperatur: °C ■ Check the consignment against the delivery documents and nameplate to Max.
Rotary heat exchangers Lifting the exchanger Instructions for installation, commissioning and maintenance 5 Lifting the exchanger Caution Risk of injury caused by falling load, tilting of the exchanger or improper handling. During all work: – Wear protective equipment. – Do not stand under suspended loads. –...
Rotary heat exchangers Lifting the exchanger Instructions for installation, commissioning and maintenance 5.3 Lifting exchangers with SP casing ■ Use lifting gear with sufficient load-bearing capacity. ■ Hook the snap hooks of the lifting gear into the lifting eyes on both sides of the casing.
Rotary heat exchangers Lifting the exchanger Instructions for installation, commissioning and maintenance 5.4 Lifting exchangers with PR casing ■ Use lifting gear with sufficient load-bearing capacity. ■ Screw the supplied lifting kits into the profile casing as shown below. ■ Hook the snap hooks of the lifting gear into the lifting kits on both sides.
Rotary heat exchangers Lifting the exchanger Instructions for installation, commissioning and maintenance 5.5 Lifting wheels without casing ■ Use lifting gear with sufficient load-bearing capacity. ■ The storage mass has 2 opposite drilled holes on the outside for lifting the wheel. –...
Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance 6 Installation of segmented exchangers Caution Risk of injury caused by falling load, tilting of the exchanger or improper handling. During all work: – Wear protective equipment. –...
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Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance PR casing for wheel diameters up to 3799 mm 4 x M8 x 12 4 x M8 x 12 8 x M8 x 12 Fig. 16: Installation of PR casings (wheel Ø up to 3799 mm) PR casing for wheel diameters 3800…4200 mm 8 screws M12 x 180 (top) 8 nuts M12 (bottom)
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Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance Radial seal in PR casings The radial seal is pre-mounted in PR casings in both halves of the casing. Proceed as follows to connect the two parts: ■...
Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance 6.2 Radial walls Caution Risk of injury due to uncontrolled movements of radial walls. Secure the rotor position during all work (e.g. with boards). Fig. 19: Securing the rotor position Mounting the radial walls 3 + 4 ■...
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Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance Checking the radial walls 3 + 4 ■ Check the axial run-out of hub and radial walls: – Turn the hub with the radial walls so far that the newly mounted radial plates are lying horizontally.
Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance 6.3 Storage mass Caution Risk of injury due to uncontrolled movements of radial walls and segments. Secure the rotor position during all work. Use ropes or tension bands with pulley block, for example, for controlled rotation.
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Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance Installation of segment 1 ■ Secure the rotor position. ■ Push segment 1 between the radial plates up to the hub. – Make sure that the milled outer edges of the segment at the top and bottom are within the curved edges of the radial walls.
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Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance Installation of peripheral plate 1 ■ Move the peripheral plate 1 into position: – Align the edge with the hole facing up and the edge with the slot facing downward.
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Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance Installation of additional segments ■ Mount and secure the remaining segments and peripheral plates in the same way. Completion of the periphery ■ Connect the last peripheral plate with the first one. –...
Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance 6.4 Purge sector General notices ■ Depending on the exchanger design, the purge sector is supplied loose or pre-assembled at the factory. – Supplied loose: Install the purge sector as shown below. –...
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Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance SP casing ■ Purge sector part A or B ■ Seal Fig. 31: SP casing with 1-piece purge sector ■ Purge sector part A ■ Purge sector part B ■...
Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance 6.5 Seal Middle beam seal The middle beam seal is pre-assembled in all casings. Proceed as follows for correct adjustment: ■ Loosen the screws securing the brush seal to the middle beam or purge sector. ■...
Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance 6.6 Drive system Belt Install the belt as follows: ■ If the drive motor is installed on a rocker: – Insert a screwdriver into one of the eyelets on the motor rocker and lift the motor rocker.
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Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance Controller ■ Install the controller in a suitable position. ■ SP casing: – Screw the controller onto the retaining plate. – The position can be adjusted in height using the rail. ■...
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Rotary heat exchangers Installation of segmented exchangers Instructions for installation, commissioning and maintenance Rotation guard Mount the rotation guard in the drive corner as follows: ■ Rivet the holder to the end wall of the exchanger (3 pop rivets 4.8 x 9.5). –...
Rotary heat exchangers Installation in the air handling unit Instructions for installation, commissioning and maintenance 7 Installation in the air handling unit Caution Risk of injury caused by falling load, tilting of the exchanger or improper handling. During all work: –...
The supply voltage of the controllers is 1 × 230 V. ■ ■ Detailed instructions for the various controllers can be downloaded from the website (www.hoval-energyrecovery.com). Drive system V0 ■ Connect the drive motor to a customer-side controller with an output voltage of 3 ×...
Does the wheel's direction of rotation correspond to the stuck-on directional arrow? If necessary, correct the electrical connection. Does the wheel reach the optimum speed? Function approx. 12 min for design ST1 / SC1 / ST2 / SE3 ■ check approx. 20 min for design SH1 / HM1 ■...
Relatively heavy and sticky Hot water and mild detergents 10.3 Spare parts Hoval recommends the use of original spare parts. You can download the spare parts list from the website (www.hoval-energyrecovery.com). 10.4 Replacement of the brush seal Middle beam seal Proceed as follows to replace the middle beam seal: ■...
Rotary heat exchangers Maintenance and repair Instructions for installation, commissioning and maintenance Radial seal in SP casings Proceed as follows to replace the radial seal: ■ The outer seam in the brush seal serves as transport protection. – Remove this seam. ■...
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Sweden Tel. +46 36 375660 Fax +46 36 375668 info.se@hoval.com www.hoval-energyrecovery.com China Hoval Oriental Beijing Heating Tech Co., Ltd Rm.1408 Guangming Hotel Liangmaqiao Road Chaoyang District 100125 Beijing P.R. China Tel: +86 10 646 36 878 Fax: +86 10 646 42 270 info@hoval.com.cn...
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