Phase LHX Series - Page 6

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4.7 Menu Structure Overview ............................................................................................. 34
4.8 Parameter Tables ........................................................................................................... 36
OPERATION ....................................................................................................................................... 53
5.1 Commissioning the Unit ................................................................................................ 53
5.2 VFD Setup Procedure ..................................................................................................... 53
5.3 Ground Fault Sensitivity ................................................................................................ 54
5.4 Motor Overload Protection ........................................................................................... 54
5.5 System Configuration .................................................................................................... 55
5.6 Start-Up and Shut-Down Ramp Times ........................................................................... 57
5.7 Motor Control Methods (V/f vs. Torque Control) ......................................................... 58
Constant Pressure Systems ............................................................................................................. 60
6.1 Control Principles of Constant Pressure Systems .......................................................... 60
6.2 PerfectPressure™ Setup – Analog Constant Pressure ................................................... 62
6.3 Analog Constant Pressure Systems ............................................................................... 63
6.4 Pre-Charge Mode .......................................................................................................... 66
6.5 Lead/Lag Pump Control ................................................................................................. 66
6.6 Duplex / Multiplex Control ............................................................................................ 68
6.7 Troubleshooting Constant Pressure Systems ................................................................ 71
TROUBLESHOOTING ........................................................................................................................ 72
7.1 Fault Codes .................................................................................................................... 72
7.2 Clearing a Fault .............................................................................................................. 73
7.3 Fault Log ........................................................................................................................ 76
ROUTINE INSPECTION AND MAINTENANCE ................................................................................. 77
MODELS AND RATINGS ................................................................................................................... 78
9.1 Global Specifications ..................................................................................................... 78