Service manual

6 Service Manual SM-MDS_(i)
1.7 EXV Box (MEX)
For MDS system, every indoor has an individual EXV box which will control and regulate the refrigerant flow.
Different indoor unit has different pipe size, therefore different EXV box model. Indoor models offered, together
with their pipe diameter and respective EXV box model are shown in the table below:
Indoor Model R-22 R-410A R-22 R-410A
MWMD 009G
1/4 1/4
MWMD 010G
1/4 1/4
MWMD 015G
1/4 1/4
MWMD 020G
1/4 1/4
MWMD 025G
3/8 1/4 MEX-18-3SAP-D MEX-22-2SAP-D
MCKD 010C
1/4 1/4
MCKD 015C
1/4 1/4
MCKD 020C
1/4 1/4
MCKD 020A
1/4 1/4
MCKD 025A
3/8 1/4 MEX-18-3SAP-C MEX-22-2SAP-C
MCKD 030A
3/8 3/8 MEX-24-3SAP-C MEX-22-3SAP-C
MCKD 040A
3/8 3/8 MEX-24-3SAP-C MEX-22-3SAP-C
MCKD 050A
3/8 3/8 MEX-24-3SAP-C MEX-22-3SAP-C
MCCD 010C
1/4 1/4
MCCD 015C
1/4 1/4
MCCD 020C
1/4 1/4
MCCD 025C
3/8 1/4 MEX-18-3SAP-C MEX-22-2SAP-C
MCCD 028C
- 3/8 - MEX-22-3SAP-C
MCCD 030C
3/8 3/8 MEX-24-3SAP-C MEX-22-3SAP-C
MCCD 038C
- 3/8 - MEX-22-3SAP-C
MCCD 040C
3/8 3/8 MEX-24-3SAP-C MEX-22-3SAP-C
MCCD 050C
3/8 3/8 MEX-24-3SAP-C MEX-22-3SAP-C
MCCD 060C
1/2 3/8 MEX-24-4SAP-C MEX-24-3SAP-C
MCMD 015E
- 1/4 - MEX-15-2SAP-C
MCMD 015E
1/4 1/4
MCMD 015E
3/8 1/4 MEX-18-3SAP-C MEX-22-2SAP-C
MCMD 015E
3/8 3/8 MEX-18-3SAP-C MEX-22-3SAP-C
MCMD 040D
3/8 3/8 MEX-24-3SAP-C MEX-22-3SAP-C
MCMD 050D
3/8 3/8 MEX-24-3SAP-C MEX-22-3SAP-C
MCMD 062D
1/2 3/8 MEX-24-4SAP-C MEX-24-3SAP-C
MDBD 080
1/2 1/2
MDBD 100
1/2 1/2
Liquid Pipe Diameter (Inch) MEX Model
MEX-15-2SAP-D
MEX-15-2SAP-D
MEX-15-2SAP-D
MEX-18-2SAP-D
MEX-15-2SAP-C
MEX-15-2SAP-C
MEX-18-2SAP-C
MEX-18-2SAP-C
MEX-15-2SAP-C
MEX-15-2SAP-C
MEX-18-2SAP-C
Built-in EXV available
Built-in EXV available
MEX-18-2SAP-C
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