McQuay MDS030A, Service Manual

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Service Manual SM-MDS_(ii) 1
1.1 Digital Scroll Compressor
MDS system is utilizing the digital scroll compressor technology to modulate its supply capacity to meet most
indoors requirement closely. MDS system offers in both R22 and R410A refrigerant, the product line up, together
with number of compressors in one outdoor unit is as follow:
Model
Compressor Quantity
Refrigerant Remark
Digital Scroll Fix Scroll
MDS 030A(R) 1 - R22
MDS 040A(R) 1 - R22
MDS 050A(R) 1 - R22
MDS 060A(R) 1 - R22
MDS 070A(R) 1 - R22
MDS 080B(R) 1 1 R22
MDS 100B(R) 1 1 R22
MDS 120B(R) 1 1 R22
MDS 150B(R) 1 2 R22
MDS 180B(R) 1 2 R22
MDS 200B(R) 1 3 R22
MDS 220B(R) 1 3 R22
MDS 240B(R) 1 3 R22
MDS 260B(R) 1 4 R22
MDS 120B(R) M + MDS 150B(R) S
MDS 280B(R) 1 5 R22
MDS 150B(R) M + MDS 130B(R) S
MDS 300B(R) 1 5 R22
MDS 150B(R) M + MDS 150B(R) S
MDS 320B(R) 1 5 R22
MDS 160B(R) M + MDS 160B(R) S
5MDS 050B(R) 1 - R410A
5MDS 060B(R) 1 - R410A
5MDS 070B(R) 1 - R410A
5MDS 080B(R) 1 1 R410A
5MDS 100B(R) 1 1 R410A
5MDS 120B(R) 1 1 R410A
5MDS 140B(R) 1 2 R410A
5MDS 160B(R) 1 2 R410A
5MDS 180B(R) 1 2 R410A
5MDS 200B(R) 1 3 R410A
5MDS 220B(R) 1 3 R410A
5MDS 240B(R) 1 3 R410A
5MDS 260B(R) 1 4 R410A
5MDS 120B(R) M + 5MDS 140B(R) S
5MDS 280B(R) 1 4 R410A
5MDS 120B(R) M + 5MDS 160B(R) S
5MDS 300B(R) 1 4 R410A
5MDS 120B(R) M + 5MDS 180B(R) S
5MDS 320B(R) 1 5 R410A
5MDS 180B(R) M + 5MDS 140B(R) S
5MDS 340B(R) 1 5 R410A
5MDS 180B(R) M + 5MDS 160B(R) S
5MDS 360B(R) 1 5 R410A
5MDS 180B(R) M + 5MDS 180B(R) S
5MDS 380B(R) 1 6 R410A
5MDS 240B(R) M + 5MDS 140B(R) S
5MDS 400B(R) 1 6 R410A
5MDS 240B(R) M + 5MDS 160B(R) S
5MDS 420B(R) 1 6 R410A
5MDS 240B(R) M + 5MDS 180B(R) S
5MDS 440B(R) 1 7 R410A
5MDS 240B(R) M + 5MDS 200B(R) S
5MDS 460B(R) 1 7 R410A
5MDS 240B(R) M + 5MDS 220B(R) S
5MDS 480B(R) 1 7 R410A
5MDS 240B(R) M + 5MDS 240B(R) S
5MDS 500B(R) 1 7 R410A
5MDS 250B(R) M + 5MDS 250B(R) S
Remark:
M refers to Master unit and S refers to Slave unit. This combination cannot be changed.
1.0 Introduction
1