For further information regarding the individual steps, see the page indicated
Commissioning steps
Inspection steps
Maintenance steps
Page
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1. Switching OFF the unit and the main fuse/MCB
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7
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2. Evacuating the refrigerant lines and internal
devices
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7
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3. Filling the refrigerant lines and internal device
with refrigerant
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11
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4. Checking the refrigerant lines for leaks
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11
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5. Checking the thermal insulation at the flanged
connections
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6. Checking the tightness of electrical connections
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7. Checking the condensate drain of the internal
device
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12
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8. Checking the free rotation of the external fan
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12
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9. Cleaning the heat exchanger of the external unit
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10. Cleaning the air filter of the internal device
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13
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11. Replacing or cleaning the electrostatic filter of the
internal device (if installed)
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14
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12. Replacing the active charcoal filter (if installed)
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14
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13. Switching ON the main fuse/MCB
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14. Switching the unit ON
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14
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15. Installation test (only type OT307H)
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14
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16. Checking the unit for unusual noises
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17. Checking the system function (output test)
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15
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18. Checking the display of the remote control
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19. Twice annual maintenance in accordance with the
checklist from page 50
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20. Instructing the system user
Steps - commissioning, inspection and maintenance
5
Commissioning, inspection, maintenance
5692
689
GB