Introduction; Digital Scroll Compressor - McQuay MDS Series Service Manual

1.0 Introduction

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
Digital Scroll
MDS 030A(R)
MDS 040A(R)
MDS 050A(R)
MDS 060A(R)
MDS 070A(R)
MDS 080B(R)
MDS 100B(R)
MDS 120B(R)
MDS 150B(R)
MDS 180B(R)
MDS 200B(R)
MDS 220B(R)
MDS 240B(R)
MDS 260B(R)
MDS 280B(R)
MDS 300B(R)
MDS 320B(R)
5MDS 050B(R)
5MDS 060B(R)
5MDS 070B(R)
5MDS 080B(R)
5MDS 100B(R)
5MDS 120B(R)
5MDS 140B(R)
5MDS 160B(R)
5MDS 180B(R)
5MDS 200B(R)
5MDS 220B(R)
5MDS 240B(R)
5MDS 260B(R)
5MDS 280B(R)
5MDS 300B(R)
5MDS 320B(R)
5MDS 340B(R)
5MDS 360B(R)
5MDS 380B(R)
5MDS 400B(R)
5MDS 420B(R)
5MDS 440B(R)
5MDS 460B(R)
5MDS 480B(R)
5MDS 500B(R)
Remark: M refers to Master unit and S refers to Slave unit. This combination cannot be changed.
Service Manual SM-MDS_(ii)
Compressor Quantity
Fix Scroll
1 -
1 -
1 -
1 -
1 -
1 1
1 1
1 1
1 2
1 2
1 3
1 3
1 3
1 4
1 5
1 5
1 5
1 -
1 -
1 -
1 1
1 1
1 1
1 2
1 2
1 2
1 3
1 3
1 3
1 4
1 4
1 4
1 5
1 5
1 5
1 6
1 6
1 6
1 7
1 7
1 7
1 7
Refrigerant
R22
R22
R22
R22
R22
R22
R22
R22
R22
R22
R22
R22
R22
R22 MDS 120B(R)M + MDS 150B(R)S
MDS 150B(R)M + MDS 130B(R)S
R22
R22 MDS 150B(R)M + MDS 150B(R)S
R22 MDS 160B(R)M + MDS 160B(R)S
R410A
R410A
R410A
R410A
R410A
R410A
R410A
R410A
R410A
R410A
R410A
R410A
R410A 5MDS 120B(R)M + 5MDS 140B(R)S
R410A 5MDS 120B(R)M + 5MDS 160B(R)S
R410A 5MDS 120B(R)M + 5MDS 180B(R)S
R410A 5MDS 180B(R)M + 5MDS 140B(R)S
R410A 5MDS 180B(R)M + 5MDS 160B(R)S
5MDS 180B(R)M + 5MDS 180B(R)S
R410A
5MDS 240B(R)M + 5MDS 140B(R)S
R410A
R410A 5MDS 240B(R)M + 5MDS 160B(R)S
R410A 5MDS 240B(R)M + 5MDS 180B(R)S
R410A 5MDS 240B(R)M + 5MDS 200B(R)S
R410A 5MDS 240B(R)M + 5MDS 220B(R)S
R410A 5MDS 240B(R)M + 5MDS 240B(R)S
5MDS 250B(R)M + 5MDS 250B(R)S
R410A
Remark
1
1