42 systemair
3.5.2 Rotary heat exchanger
Caution
See also section 3.1 General instructions.
See the values in the selection program data and on the nameplate.
Mount and install the heat exchanger in accordance with the manufacturer’s instructions, which are
appended to these instructions.
Alltheelectricalinstallationsandwiringmustbecarriedoutbyanauthorisedandqualiedprofessionalin
accordance with the heat exchanger manufacturer’s instructions and applicable regulations.
Commissioning
BeforeCommissioning,checkthefollowing:
• the correct mounting of the rotary heat exchanger in the casing,
• the tightness of the threaded joints,
• the air tightness / positioning of the sealing rings between the rotor and the casing,
• the free rotation of the rotor,
• the adequate tension of the drive belt,
• the operation of the motor drive and the settings of the frequency converter parameters,
• the operation of the rotation monitoring magnet,
• clean any debris from the section.
Parameters for setting the frequency converter VLT Micro Drive FC-51:
Parameter Description Value
1-20 Motor power Motor data plate
1-22 Motor voltage Motor data plate
1-23 Motor frequency Motor data plate
1-24 Motor current Motor data plate
1-25 Motor r.p.m. Motor data plate
1-73 Flying start 1 - enabled
4-12 Lim. Min Hz 20 Hz
4-14 Lim. Max Hz 50 Hz
Maintenance
Therotaryheatexchangerhasaself-cleaningdesign,sothereisnoneedtolterincomingair,exceptintheeventit
carriesextremelycoarseorstickydustparticles.
The honeycomb structure may be cleaned with compressed air, water, steam or special cleaning agents. Clean it
manually or by means of the installed cleaning nozzles. Pressures of up to 150 bar can be applied.
Caution
The humidity transfer rotors may not be cleaned with water or steam.
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