Outdoor Unit Circuit Board Arrangement; Outdoor Unit Control Box - Mitsubishi Electric PUHY-HP200YNW-A Service Handbook

[4-1 Outdoor Unit Circuit Board Arrangement ]

4-1

Outdoor Unit Circuit Board Arrangement

4 Electrical Components and Wiring Diagrams
4-1-1

Outdoor Unit Control Box

<HIGH VOLTAGE WARNING>
Fan board (left)
Capacitor board
INV board
DC reactor (DCL)
*The figure above shows the unit seen from the left after
the front panel and the left side panel were removed.
In-rush current resistor (R1, R5)
Note 3)
BS_04_M
Control box houses high-voltage parts.
When opening or closing the front panel of the control box, do not let it come into contact with any of
the internal components.
Before inspecting the inside of the control box, turn off the power, keep the unit off for at least 10 minutes,
and confirm that the voltage of the capacitor in the main circuit has dropped to 20 VDC or less.
Fan board (right)
Cooling fan
Noise filter
Control board
back side
Power-supply terminal block
Connector RYPN
(1 pin +, 5 pin -)
Transmission cable terminal
block (TB3, TB7)
Connector RY24VA (black)
RY63H (2pin)
PS board
chapter 4 -
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