Emerson Copeland 2D - 2 D* Compressor connections; 3 D* Compressor connections

34 AGL_HA_ST_Discus_A2L_A1_EN_Rev00
Appendix 1: Compressor connections
2D*
2DC-50 2DD-50
2DL-40 2DB-50
2DL-75 2DB-75
DL
Discharge line size (sweat)
2DC-50, 2DD-50,
2DL-40, 2DB-50
Ø 7/8" DL
Discharge line size (sweat)
2DL-75, 2DB-75
Ø 1 1/2"
SL Suction line size (sweat) Ø 1 3/8" 8 Plug oil charge 1/4" - 18 NPTF
1 Base mountings Ø 14 mm 11 Oil screen built-in
3 Magnetic plug 1/8" - 27 NPTF 12 Oil pressure connection, Schraeder 7/16" - UNF
4 Plug oil-pressure control LP 1/4" - 18 NPTF 13 Sensor connection OPS
5 Connection oil pressure control HP 1/4" - 6 mm 15 Sleeve (crankcase heater) 3/8" - 18 NPSL
6 Plug low-pressure connection 1/8" - 27 NPTF 17 Plug low-pressure connection 1/2" - 14 NPTF
7 Plug high-pressure connection 1/8" - 27 NPTF
3D*
3DA-50 3DC-75 3DS-100
3DA-75 3DC-100 3DS-150
SL
Suction line size (sweat)
3DA-50, 3DA-75, 3DC-75,
3DC-100, 3DS-100
Ø 1 3/8" DL
Discharge line size (sweat)
3DA-50
Ø 7/8"
SL
Suction line size (sweat)
3DS-150
Ø 1 5/8" DL
Discharge line size (sweat)
3DA-75, 3DC-75, 3DC-100,
3DS-100, 3DS-150
Ø 1 1/8"
1 Base mountings Ø 14 mm 8 Plug oil charge 1/8" - 18 NPTF
3 Magnetic plug 1/8" - 27 NPTF 11 Oil screen built-in
4 Plug oil pressure control LP 1/4" - 18 NPTF 12 Oil pressure connection, Schraeder 7/16" - UNF
5 Connection oil pressure control HP 1/4" - 6 mm 13 Sensor connection OPS
6 Plug low pressure connection 1/8" - 27 NPTF 15 Sleeve (crankcase heater) 3/8" - 18 NPSL
7 Plug high pressure connection 1/8" - 27 NPTF 17 Plug low pressure connection 1/2" - 14 NPTF