7.10 REPLACING THE EVAPORATOR ASSEMBLY
NOTE:
Before replacing any component of the refrigeration system, make sure to read the
instructions “Service Precautions for R600A System” or “Service Precautions for R134a System”.
1. Disconnect the unit from the power source.
2. Clean and then solder the capillary from the filter drier.
3. Clean and then solder the suction tube from the compressor.
4. Remove all shelves.
5. Remove the top air channel cover, bottom air channel cover and remove the middle partition
for dual zone models.
6. Remove the air channel cover only for single zone models.
7. Remove the two brackets to fix the evaporator assembly to the cabinet.
8. Replace the evaporator assembly and install the new one to the cabinet.
9. After replacing the evaporator assembly, make sure to install back the four seal foam blocks
○
3 and
○
5 to the original designated positions for dual zone and three zone models.
This
is very important.
10. For single zone models make sure that the seal foam blocks
○
2 are available.
This is very
important.
11. For R134a system, make the system flush and replace the filter drier.
12. Clean then connect the suction tube to the compressor. Clean again and connect the
capillary to the filter drier.
13. Solder all joints. Silver solder and proper flux should be used on copper to steel or steel to
steel joints. Excess flux should be wiped off all tubing.
3
4
2
1
5
1
2
3
(Dual Zone) (Single Zone)
