Sinclair ASCU-12A, Service Manual

Page: 141 / 202

MAINTENANCE
140
4.2 Indoor Unit
4.2.1 Duct Type
ASDU-09A
,
ASDU-12A
,
ASDU-18A
Disassembly procedure
Disassembly of External Casing of Group
Remark: Make sure the power supply is cut off before removal and protect all the parts during disassembly, especially the
screws that should be collected together, in case of missing them.
Step Illustration Handling Instruction
1. Disassembly of
filter screen for
back return air
Ɣ
Pull two filter screens for back
return air
˄
As shown in the
graph, the arrow represents
filter screens for back return
air
˅
2. Disassembly of
side panel for back
return air
· Ɣ Disassemble the fastening
screws for back return air and
take away the back return air
side panel
˄
as shown in the
graph
˅DŽ
3. Disassembly of
cover plate for
return air
Ɣ
Disassemble the fastening
screws for return air cover
plates and take away the return
air cover plate
˄
As shown in the
graph, the arrow represents
cover plates for return air ˅
4. Disassembly of
cover plate
Ɣ Disassemble the fastening
screws for cover plate and take
away the cover plate
˄
As shown
in the graph, the arrow
represents cover plates
˅