47
PERIODIC INSPECTION
5. [ 15 TON only ]
Unscrew 2 bolts to remove the oil tray.
6. Unscrew a bolt (2 bolts for 8 TON) to remove the
exhaust water drain filter box.
NOTE) Do not tilt the box when removing it, because
the box contains exhaust drain water.
7. After removing the box, pour the exhaust drain water
into the bucket.
NOTE) Be sure to dispose of exhaust drain water in the
bucket as industrial waste.
8. Unscrew all bolts to open the lid.
9. Using the metal scale, put a mark on the depth of
3/8 inch (1 cm) below the upper surface of the box.
10. Flatten out the filter stone at the bottom of the box
and tamp it down. Fill the box with stones until the
marked position.
Bolts
Bolt
Bolts
Number of bolts
8 TON 18 pieces
15 TON 19 pieces
If the outdoor unit has drain heater kit, be careful
not to damage the exhaust water drain heater or
its wiring.
Filter stone
Metal scale
Mark
Time for refilling Every 3 years (10,000 hours)
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