Carrier MMY-MAP0724FT9UL Service Manual page 227

No. Part to be replaced
3 Heat exchanger
Work procedure
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 × 0.4" (10 mm), 6 pcs.)
(Detach the fan motor leads as well.)
For 096 type and 120 type unit, remove the
discharge cabinet anchor plates.
Left and right: (M5 × 0.4" (10 mm), 2 pcs.) – 2
3) Remove the upper partition plate.
(M5 × 0.4" (10 mm), 12 pcs.)
4) Remove the screws for the support post.
(M5 × 0.4" (10 mm), 3 pcs.) – 2 sets
5) Remove the screws for the Heat excanger partition plate.
(M4 × 0.4" (10 mm), 2 pcs.)
6) Remove the brazed joints of the piping connected
(4 locations).
7) Remove the screws for the heat exchanger partition
plate (upper) and pull the heat exchanger out.
(M5 × 0.4" (10 mm), 2 pcs.)
– 227 –
Remarks
3) Discharge cabinet anchor plate
2) Motor base
Heat exchanger
(left)
Heat exchanger
(right)
4) Support post
5) Heat exchanger
partition plate
(upper)
6) Brazed joints
6) Brazed joints
6) Brazed joints
(2 locations on piping
connected side)
7) Rear
Pull heat exchanger out of rear end.
(Left-side heat exchanger is pulled out of
front end.)
(1 locations on
header side)
(1 locations on
distributor side)
Support
post