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Fitting and maintenance instructions HRC 300/400 4B(P/RH)
4.2 Installer maintenance
Take out the heat exchanger
(once every 3 years)
3
•
Disconnect the power supply
•
Pull the inner-assembly out of the frame
•
Disconnect the wiring to the motor from the pcb
•
Unscrew the 4 screws of the motor plate
•
Take off the fan
4
•
Clean the fan with a dry stiff brush
•
Prevent damage to the fan blades
•
Do not use water for cleaning
2
•
Clean the heat-exchanger with warm water and a mild
detergent.
•
Rinse with warm water
1
•
Switch off the power supply and remove the cover
•
Remove the bypass cover (1)
•
Remove the press tray (2)
•
Remove the heat-exchanger (3)
Clean the fans
(if dirty)
The fans must be cleaned if they are dirty. Be sure not to bend the fan blades; this could cause a motor imbalance, unnecessary noise
and will shorten the life of the motor bearings.