10.3.2 Pump Start-up Routine 39
10.3.3 Switch from Compressor Operation to Pump Operation 39
10.3.4 Switch from Pump Operation to Compressor Operation 39
10.4 Premium Efficiency Control Board and Interface 40
10.4.1 Initial Display upon Power On 41
10.4.2 Navigating the Controller Interface Main Menu 41
10.4.3 Analog Signals Menu 43
10.4.4 Active Alarms Menu 45
10.4.5 History Alarms Menu 45
11 Maintenance 51
11.1 General Maintenance 52
11.2 Condenser Cleaning - Standard Coil 52
11.2.1 When to Clean the Condenser Coil 52
11.2.2 What to Use to Clean the Condenser Coil 52
11.2.3 Cleaning the Condenser Coil 53
11.3 Condenser Cleaning - E-coat Coil 53
11.3.1 General Instructions: (detailed instructions to follow) 53
11.3.2 Detailed Instructions 55
11.4 Replacing the Condenser EC Fan 57
11.4.1 Fan Replacement 58
11.4.2 P--Menu Programming 59
11.4.3 Manual Fan Addressing (No P-- Menu) 59
11.4.4 Verifying the Fan Address 61
11.5 Replacing the Premium Efficiency Control Board 62
11.5.1 Preparing to Replace the Board 62
11.5.2 Installing the Replacement Board 63
12 Preventive Maintenance Checklist 65
Appendices 69
Appendix A: Technical Support and Contacts 69
Appendix B: Submittal Drawings 71
ii Proprietary and Confidential ©2024 Vertiv Group Corp.
Vertiv™ Liebert® MCV Installer/User Guide
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