Mds Compatibility - McQuay MWM Service Manual

MCQUAY Service Guide Book
B. MDS Compatibility
Indoor PCB vs Wired Handset MC301
MC301
B1.5
Indoor
PCB
mc201_2.0
mc201_2.1
mc201_2.2
mc201_2.3
mc201_2.4
mc201_2.5
mc201_2.6
mc201_2.7
Indoor PCB vs Outdoor PCB
MDS-A/B 7HP and Below:
Outdoor
PCB
V4.0 V4.1
Indoor
PCB
mc201_2.0
mc201_2.1
mc201_2.2
mc201_2.3
mc201_2.4
mc201_2.5
mc201_2.6
mc201_2.7
Remark: When V4.5 replacing V4.4 or below, discharge temperature sensor shall be changed to MIN JIE brand.
MDS-B 8HP and Above:
Outdoor
PCB
2.0 2.1
Indoor
PCB
mc201_2.0
mc201_2.1
mc201_2.2
mc201_2.3
mc201_2.4
mc201_2.5
mc201_2.6
mc201_2.7
Remark: 1) When Outdoor PCB 2.6-2.7 replacing 2.5 or below and 2.5A-2.8A replacing 2.4A or below,
i) The discharge temperature sensor shall be MIN JIN brand.
ii) MIN JIE discharge temperature sensor shall be added to the slave unit's main discharge pipe.
2) When Outdoor PCB 2.4-2.7 replacing 2.3 or below, dip switch setting for outdoor capacity might be different, details
please refer to MDS Service Manual.
Compatible
Note: ONLY lower version PCB can be replaced by higher version; vice-versa is not allowable.
B1.6 B.17
R22 / R410A
V4.2 V4.3 V4.4
R22
2.2 2.3 2.4 2.5
Not Compatible
B1.8 B1.9
V4.5
2.6 2.7
2.1A 2.2A
80
Appendix
B2.0 B2.1
R410A
2.3A 2.4A 2.5A 2.6A 2.8A