Airwell ONG3-17 R410A, Service Manual

Page: 109 / 127

Drain port
Air outlet
Water (approx. 1 000cc)
1
00
mm
Plastic container for water intake
Fig.14
Caution!
Finish the drainage work.
During this operation, the fan will start working. So pay attention to the rotating fan.
After checking the drainage, make sure that heat insulation is wrapped around the indoor drain
pipe to avoid any dew condensation. (The material should have M 1 fireproofing classification)
1 4
Indoor unit cassette type
After wiring and drain piping are completed, check the drainage according to the following
procedure. If necessary, prepare a bucket and cloth to catch and wipe up the water spilled
out.
1.
Check the drainage
Connect the AC 220V~240V power to the terminal blocks (L, N terminals) inside the
electrical box.
2.
Operate the unit in cooling mode. Check the drainage through the transparent drain port to
see if any drain leakage happens. 4.
3. Slowly inject about 1 ,000 cc of water into the drain pan.(Fig. 1 4)
5. When the check is finished, do not forget to cut off the power input.