FBM(X)20 Basin Mixer Control Panel Instruction and Service Manual INTRODUCTION: GENERAL: ® Thank you for purchasing your Fairbanks Nijhuis Basin Mixer Control Panel. To help ensure years of trouble-free operation, please read the following manual carefully. BEFORE OPERATION. Read the following in structions care ful ly. Reasonable care and safe meth ods should be practiced. Check local codes and requirements before installation.
FBM(X)20 Basin Mixer Control Panel Instruction and Service Manual Terminal Mixer Wire Color Function White Mixer Power Black Mixer Power Mixer Power Green Ground Orange Seal Leak Sensor Mixer Motor Incoming Power Ground Blue Heat Sensor Power Terminals Terminals Mixer Seal Leak and White w/Black Stripe Sensor Common Wire Heat Sensor Terminals...
Page 4
FBM(X)20 Basin Mixer Control Panel Instruction and Service Manual WARNING: Do not exceed 60 Hz or go below 30 Hz. Exceeding 60 Hz will draw more horsepower from the motor than it was designed for. Running at lower than 30 Hz may not supply enough starting torque to the mixer unit. 6.
FBM(X)20 Basin Mixer Control Panel Instruction and Service Manual 6. Check the mixer full load amps. 7. Check junction boxes for moisture. Moisture may cause chattering of relays and contactors. 8. Check for moisture inside control panel enclosure. Moisture can cause damage to electrical com ponents. Check door gasket for prop er seal.
FBM(X)20 Basin Mixer Control Panel Instruction and Service Manual TEMPERATURE FAILURES: NOTE: Fairbanks Nijhuis control panels supply the correct circuitry for moisture and heat sensor connections. Your mixer is equipped with temperature fail sensor thermostats attached directly to the motor windings. The thermostats open if the motor windings see excessive heat and, in turn, open the motor contactor in the control panel, breaking the power to the mixer.
Page 7
FBM(X)20 Basin Mixer Control Panel Instruction and Service Manual Percent Maximum Current Current = Difference from x 100 Unbalance Average Current Average Current To determine if motor current un bal ance is a function of the motor or the power supply: 1.
Page 8
FBM(X)20 Basin Mixer Control Panel Instruction and Service Manual STANDARD LOCATION 230V, 3 PHASE, 60 HZ WIRING SCHEMATIC...
Page 9
FBM(X)20 Basin Mixer Control Panel Instruction and Service Manual STANDARD LOCATION 460V, 3 PHASE, 60 HZ WIRING SCHEMATIC...
Page 10
FBM(X)20 Basin Mixer Control Panel Instruction and Service Manual HAZARDOUS LOCATION 230V, 3 PHASE, 60 HZ WIRING SCHEMATIC...
Page 11
FBM(X)20 Basin Mixer Control Panel Instruction and Service Manual HAZARDOUS LOCATION 460V, 3 PHASE, 60 HZ WIRING SCHEMATIC...
Pentair Fairbanks Nijhuis will cover only the lower seal and labor thereof for all dual seal pumps. Under no circumstance will Pentair Fairbanks Nijhuis be responsible for the cost of field labor, travel expenses, rented equipment, removal/reinstallation costs or freight expenses to and from the factory or an authorized Pentair Fairbanks Nijhuis service facility.