Table Of Contents - McQuay MDS Series Service Manual

Table of Content
Preface...............................................................................................................iv
1.0 Introduction.......................................................................................................1
1.1 Digital Scroll Compressor............................................................................1
1.2 Operating Range......................................................................................2
1.3 Basic Layout of MDS System......................................................................3
1.4 Maximum Connectible Indoor.......................................................................3
1.5 Maximum Piping Length.............................................................................4
1.6 Refnet and Distributor................................................................................4
1.7 EXV Box.................................................................................................6
2.0 System and Control............................................................................................7
2.1 MDS Outdoor System and Control...............................................................7
2.2 MDS Indoor System and Control................................................................10
2.3 MDS System Piping Connection.................................................................11
2.4 Heater Control........................................................................................12
2.5 Outdoor Ball Valve Operation.....................................................................13
3.0 PCB, Handset and Wiring................................................................................14
3.1 MDS Outdoor Unit PCB............................................................................14
3.2 MDS Indoor Unit PCB..............................................................................16
3.3 MDS System Wiring.................................................................................18
3.3.1 Wiring connection between MDS outdoor to indoor units......................18
3.3.2 Wiring connection between MDS outdoor units..................................20
3.3.3 Wiring connection between MDS master and slave unit.......................21
3.4 Handsets for MDS System........................................................................21
3.4.1 Wireless Handset........................................................................22
3.4.2 Wired Controller MC301................................................................24
3.4.3 Central Controller MC303..............................................................26
3.4.4 Handsets Wiring........................................................................28
4.0 Smart Commander...........................................................................................29
4.1 Introduction............................................................................................29
4.2 Hardware Requirement............................................................................29
4.3 Installation of Smart Commander...............................................................29
4.4 Wiring Connection...................................................................................31
4.5 Setup of Smart Commander......................................................................33
4.6 Smart Commander Software Interface.........................................................37
4.6.1 Circuit Monitor.............................................................................37
4.6.2 Service Monitor...........................................................................41
4.6.3 Additional Function......................................................................42
ii Service Manual SM-MDS_(ii)