Control Box Of The Unit - Mitsubishi Electric CAHV-R450YA-HPB Service Manual

Hot water heat pump
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[ III Unit Components ]

[2] Control Box of the Unit

1. Control box
REC board
Noise filter
Terminal block for power supply
L1, L2, L3, N,
(TB1)
2. Sub box
1) Exercise caution not to damage the bottom and the front panel of the control box. Damage to these parts affect the waterproof
and dust proof properties of the control box and may result in damage to its internal components.
2) Faston terminals have a locking function. Make sure the cable heads are securely locked in place. Press the tab on the ter-
minals to remove them.
HWE22020
Note.1
IO board
Terminal block
(TB6)
Fan board
INV board
Terminal block
(TB5)
Note.1
- 45 -
Control board
M-NET board
GB

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