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3 Heat exchanger
WARNING
Wear a pair of gloves.
Otherwise, you will risk an injury involving a
replacement part or some other object.
Before the work, be sure to recover the refrigerant of
outdoor unit into cylinders or another unit connected to
the same system.
(Refer to the chapter on “refrigerant recovery methods
to be used during compressor replacement”.)
1. Detachment (Right-Side Heat Exchanger as
Example)
1)Remove the cabinet.
2)Remove the motor base.
(M5 × 10, 6 pcs.)
(Detach the fan motor leads as well.)
3)Remove the upper partition plate.
(M5 × 10, 5 pcs.)
4)Remove the screws for the support post.
(M5 × 10, 2 pcs.)
5)Remove the screws for the waterproof board.
(M4 × 10, 2 pcs.)
6)Remove the brazed joints of the piping connected
(2 locations).
7)Remove the screws for the heat exchanger end
plate and pull the heat exchanger out.
(M5 × 10, 2 pcs.)
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With a 14, 16HP unit, remove the discharge
cabinet anchor plates.
Left and right: (M5 × 2, 2 pcs.) - 2 sets
With a 14, 16HP unit, also remove the brazed
joints of the piping connected to the sub-heat
exchanger (2 locations).
4) Support post
3) Discharge cabinet anchor plate
2) Motor base
7) Rear
Heat exchanger
(right)
Heat exchanger
(left)
5) Waterproof board
(between left and
right heat
exchangers)
6) Brazed joints
(2 locations on
header side)
6) Brazed joints
(2 locations on distributor side)
Support
post
Pull heat exchanger out of rear end.
(Left-side heat exchanger is pulled out of
front end.)
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