9.2.2 Protective Features 37
9.2.3 Fan Assembly Troubleshooting 38
9.3 Direct-drive Blower System 41
9.3.1 Fan Impellers and Motor Bearings Maintenance 41
9.4 Steam-generating Humidifier Maintenance 41
9.4.1 Operating the Humidifier 42
9.4.2 Replacing the Canister 43
9.4.3 Circuit Board Adjustments 43
9.4.4 Humidifier Troubleshooting 44
9.5 Condensate-drain and Condensate-pump System Maintenance 44
9.5.1 Condensate Drain 44
9.5.2 Condensate Pump 45
9.6 Electric Reheat Maintenance 45
9.7 Thermostatic Expansion Valve (TXV) Maintenance 45
9.7.1 Determining Suction Superheat 45
9.7.2 Adjusting Superheat Setting with the TXV 45
10 Preventive Maintenance Checklist 47
Appendices 51
Appendix A: Technical Support and Contacts 51
Appendix B: Submittal Drawings 53
Vertiv | Liebert® Mini-Mate™ Installer/User Guide | 4