Mitsubishi Electric VL-250CZPVU-L-ERT Handbook page 91

Lossnay heat recovery ventilator
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(6) Remove the fan assembly
[1] Remove the heat exchanger. ... Refer to (2).
[2] Remove the PCB cover. ... Refer to (3).
[3] Remove the thermistor and element guide. ... Refer to (4).
[4] Lower the circuit board (control circuit board) to provide a work space for disconnecting and connecting the
connectors. ... Refer to (5) [3].
[5] Remove the lead clip fixing screw to disconnect the
connector.
(1 screw: PTT screw 4x12, indicated by
* VL-500CZPVU-L type only
[6] Disconnect the motor lead connectors from the power
circuit board.
SA fan motor connector: CN10
EA fan motor connector: CN9
Precaution
When disconnecting the motor connectors, make sure
that the power supply is turned off. Even when the fan
motor is stopped, disconnecting the live-line connec-
tors will cause a motor malfunction.
[7] Remove the motor leads from the metal plate hook of
the control box (indicated by
* Steps [8] through [13] refers to the EA fan assembly. Disassemble the SA fan assembly in the similar manner.
[8] Remove the orifice.
a. Remove the screw.
(1 screw: Spl screw PTT 4X14, indicated by
Tightening torque
: 1.1 ± 0.2 N . m
b. Disengage the tabs (three locations, indicated by
and remove the orifice.
)
).
)
─ 91 ─
SA fan motor connector: CN10
Power circuit board
Orifice
)
Lead clip
Motor lead
EA fan motor connector: CN9

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