Mitsubishi Electric CITY MULTI PLFY-P20VBM-E Manuel D'installation page 14

6. Test run
Step 2 Perform the test run and check the airflow temperature and auto vane.
Press the F1 button to go through the operation modes in the order of "Cool"
and "Heat". (Fig. 6-5)
Cool mode: Check the cold air blow off.
Heat mode: Check the heat blow off.
* Check the operation of the outdoor unit's fan.
Press the button and open the Vane setting screen.
AUTO vane check
Check the auto vane with the
F1 F2
Press the button to return to "Test run operation".
Press the button.
Fig. 6-7
14
buttons. (Fig. 6-6)
Water supply pump
Water (about 1000cc)
Drain plug
Pour water through outlet
· Be carefule not to spray water
into the drain pump mechanism.
Test run Remain
Pipe
Cool Auto
Switch disp.
Mode Fan
F1 F2 F3 F4
Fig. 6-5
6.3. Check of drainage (Fig. 6-7)
• Ensure that the water is being properly drained out and that no water is leaking
from joints.
When electric work is completed.
· Pour water during cooling operation and check.
When electric work is not completed.
·
Pour water during emergency operation and check.
* Drain pan and fan are activated simultaneously when single phase 220-240V is
turned on to L and N on terminal block after the connecter (SWE) on controller
board in the electrical branch box is set to ON.
Be sure to turn it back to the former state after work.
Remain
Vane
F1 F2 F3 F4
Fig. 6-6