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11
DISASSEMBLY PROCEDURE
: Indicates the visible parts in the photos/figures.
OPERATING PROCEDURE
1. Removing the oil filter
(1) Slide the oil filter towards you to remove. (See Figure 1)
2. Removing the terminal block box cover
(1) Remove the oil filter. (See Figure 1)
(2) Remove a screw for terminal block box cover, and
remove the terminal block box cover. (See Photo 1)
3. Removing the control box
(1) Remove the oil filter. (See Figure 1)
(2) Loosen the screw for control box cover to remove the
control box cover. (See Photo 2)
(3) Remove the lead wire from the 2 clips.
(4) Remove the 2 white cord heater relay connectors (1P × 2)
and 2 fan motor relay connectors (6P × 2) in the control
box.
(5) Remove the 2 screws for control box to slide the con-
trol box downward.
Electrical parts in the control box
• Fan motor capacitor
• Indoor controller board
• Power board
OCH753A
PHOTOS/FIGURES
Figure 1
Oil filter
Photo 1
Filter rails
Fan guard
Terminal
Screws
block box
Photo 2
Screws for
control box
Screw for
control box
cover
Photo 3
Cord heater
relay
connectors
Fan motor
capacitors
24
Terminal
Clamp for
block box
wiring
cover
Clips for
lead wire
Fan motor
relay connector
Room
temperature
thermistor
connector
(CN20)
Pipe
temperature
thermistor
connector
(CN44)
Indoor
controller
board
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