Mitsubishi Electric PUHY-P250YNW-A Service Handbook page 74

[4-1 Circuit Board Arrangement ]
INV BOX
Fan board
INV board
Note 3)
1) Refrigerant pipes are connected to the back of the INV box. Do not forcibly pull out the INV box. Doing so may result in defor-
mation of the pipe.
2) A Faston terminal on the inrush current resistor has a locking function. Check that the terminal is securely locked in place.
Press the tab in the middle of the terminal to remove it.
3) Leave the grounding connected during maintenance.
BS_04_C
RYFAN1
In-rush current
resistor (R1, R5)
Note 2)
Noise filter
Power-supply terminal block
PYPN (1 pin +, 5 pin -)
*The figure at left shows the unit seen from the left
after the front panel and the left side panel were
removed.
back side
DC reactor
(DCL)
3
chapter 4 -