Hitachi RCI Service Manual page 395

12 Maintenance notes
Clean the heat exchanger with steam.
Pull downwards to remove the heat exchanger.
Insertion of heat exchanger components
C A U T I O N
The heat exchanger is a heavy item. Be careful when handling it.
1 Fit the heat exchanger.
2 Insert and tighten the 4 bolts securing the heat exchanger.
3 Turn on the power supply switches after completing the maintenance work.
¿ Econofresh kit
D A N G E R
Wear gloves to avoid injuries when handling components.
C A U T I O N
• Clean the air filter more than once a year.
• Clean the heat exchanger unit once or more every two years
Turn off the power supply switches before starting maintenance work and fit the appropriate safety locks and warnings.
Wait 5 minutes after turning off the power supply switches.
Clean the exchanger and/or air filter.
C A U T I O N
• Do not start the system without the air filter.
Turn on the power supply after completing the maintenance work.
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SMGB0063 rev. 1 - 10/2010
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