94
OCH754A
OPERATING PROCEDURE
PHOTOS/FIGURES
3. Removing the electrical parts box
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Disconnect the indoor/outdoor connecting wire and the
power supply wire from terminal block.
(4) Disconnect the connector CNF1, CNF2, SV2, LEV-A,
LEV-B and LEV-C on the controller circuit board.
<Symbols on the board>
• CNF1, CNF2: Fan motor
• LEV-A, LEV-B, LEV-C: LEV
• SV2: Base Heater
(5) Disconnect the pipe-side connections of the following parts.
• Thermistor <Liquid>(TH3)
• Thermistor <Discharge>(TH4)
• Thermistor <2-phase pipe>(TH6)
• Thermistor <Ambient>(TH7)
• Thermistor <Suction> (TH32)
• Thermistor <Comp. surface> (TH33)
• High pressure switch (63H)
• 4-way valve coil (21S4)
(6) Remove the terminal cover and disconnect the compressor
lead wire.
(7) Loosen the clamp for lead wires on the separator.
(8) Remove 2 electrical parts box fixing screws (4 × 10) and
detach the electrical parts box by pulling it upward.
The electrical parts box is fixed with 2 hooks on the left
and 1 hook on the right.
Photo 4
Electrical
parts box
Controller circuit board (C.B.)
Electrical
parts box
fixing screw
Terminal cover
Compressor
(MC)
Terminal block
(TB1)
Valve bed
Terminal block
(TB2)
Содержание SUZ-KA24NAHZ
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