Service Manual SM-MDS_(ii) iii
5.0 Commissioning……………………………………………………………………………………45
5.1 Obtain Design Drawing and Report…………………………………………………….46
5.2 Check Piping Routing, Wiring Routing & Connection………………………………...46
5.3 Add in Additional Refrigerant……………………………………………………………47
5.4 Confirm Indoor Dipswitch Setting……………………………………………………….48
5.5 Power Up All Indoor……………………………………………………………………...50
5.6 Confirm Outdoor Dipswitch Setting…………………………………………………….52
5.6.1 Setting Up MDOM PCB………………………………………………………..52
5.6.2 Setting Up MDS-M PCB……………………………………………………….55
5.7 Power Up Outdoor………………………………………………………………………..57
5.8 Start All Indoors…………………………………………………………………………..59
5.9 Monitor Outdoor Parameter……………………………………………………………..59
6.0 Troubleshooting…………………………………………………………………………………..60
6.1 Locating Error Code……………………………………………………………………...60
6.2 Error Code for Decorative Type Indoor………………………………………………...61
6.3 Indoor Error Code for Wired Controller MC301……………………………………….63
6.4 Outdoor Error Code for MDOM PCB…………………………………………………...68
6.5 Outdoor Error Code for MDS-M PCB…………………………………………………..70
6.6 Troubleshooting Flow Chart……………………………………………………………..73
7.0 Appendix………………………………………………………………………………………..…90
7.1 Compatibility Chart for Indoor and Outdoor PCB……………………………………..90
7.2 Compatibility Chart for Wired Handset MC301………………………………………..91
7.3 Pressure Sensor Voltage and Resistance Value……………………………………..92
7.4 Character Reference for 7 Segment LED……………………………………………..93
7.5 Temperature Sensor Resistance Value………………………………………………..94
7.6 Hardware Configuration for 5MDS Outdoor…………………………………………...95
7.7 R22 MDS-A Series Cooling Cycle Reference…………………………………………96
7.8 R22 MDS B Series Cooling Cycle Reference…………………………………………98
7.9 R22 MDS A Series Heating Cycle Reference………………………………………102
7.10 R22 MDS B Series Heating Cycle Reference……………………………………105
7.11 R410A MDS B Series Cooling Cycle Reference…………………………………...109
7.12 R410A MDS B Series Heating Cycle Reference………………………………...116
7.13 R22 MDS BHC Series Cooling Cycle Reference…………………………………..123
7.14 Refrigerant Circuit Diagram…………………………………………………………..127
7.15 Key Card Access Feature……….…………………………………………………..155
7.16 Error Code for Phase Protector….…………………………………………………..157
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