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Step Component
16 Heat
1. Detachment
exchanger
assembly
2. Heat exchanger assembly installation
AMP Air Conditioning
Procedure
1) Collect the refrigerant gas with the recovery
equipment.
2) Remove the screw of the inverter assembly,
etc. ["2)" to "8)" of Step.12]
3) Slide the sensor holder upward to release the
lock, and pull it out toward to the center of the
cabinet. (Fig. 16-1)
4) Remove the binding band and TE sensor
secured to the distributor assembly. (Fig. 16-1)
5) Remove the pipe covers and binding bands
secured to the header. (Fig. 16-1) (2 positions)
6) Using the burner, remove the header and
heat exchanger 4-way valve connecting pipe
connected to the heat exchanger assembly.
(Fig. 16-1)
7) Using the burner, remove the liquid tank
connecting pipe and heat exchanger
connecting pipe connected to the heat
exchanger assembly. (Fig. 16-1)
CAUTION
Pay careful attention when removing the
pipes by passing the burner over the brazed
areas since if there is any oil inside the pipes,
fl ames may shoot out at the very moment
when the brazing melts.
8) Pull the heat exchanger 4-way valve
connecting pipe and liquid tank connecting pipe
upward, and draw them out.
9) Using the burner, remove the distributor
assembly which is connected to the heat
exchanger assembly. (Fig. 16-1)
10) Draw out the distributor assembly to the side.
11) Using the burner, remove the header (upper)
and header (lower). (Fig. 16-1)
12) Remove the screws of the condenser
coupling plate and heat exchanger assembly.
(M4 x 10, 2) (Fig. 16-2)
13) Remove the screws of the bottom plate and heat
exchanger assembly. (M4 x 10, 2) (Fig. 16-3)
CAUTION
• Carry out the work with the number of
individuals which is suffi cient to avoid
danger and ensure safety.
• Be careful to ensure that the pipes will not be
deformed as a result of applying force to them.
• Be careful to avoid injury as a result of
contact with the heat exchanger fi ns and
sheet metal parts.
14) Remove the screws of the guard holder and
bottom plate. (M4 x 10, 2) (Fig. 16-3)
15) Replace the heat exchanger assembly.
1) Install the assembly by following the procedure
for its removal in reverse.
2) Perform steps 2 to 4 of 13.
Heat exchanger 4-way valve connecting pipe
Liquid tank
connecting pipe
(Fig. 16-1)
Condenser coupling
plate Screws (4 positions)
Heat exchanger assembly
Bottom plate
167
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Remarks
Remove using the burner.
Header
Binding band pipe covers
(2 positions)
Sensor holder
Distributor assembly
Heat exchanger
TE sensor binding band
Remove using the burner.
Heat exchanger connecting pipe
(Fig. 16-2)
Guard holder
Screws (4 positions)
(Fig. 16-3)
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