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Instructions for Installation and Operation
Type WPM Enclosed Speed Control
Type WPM
Type WPM
Type WPM
for Permanent Magnet DC Motors
for Permanent Magnet DC Motors
for Permanent Magnet DC Motors
for Permanent Magnet DC Motors
Model 0792, 7/16 HP, without Direction Control
Model 0796, 3/4 HP, with Direction Control
Model 0797, 3/4 HP, without Direction Control
Enclosed Speed Control
Enclosed Speed Control
Enclosed Speed Control
P/N 074 01042 E (FZ)
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Table of Contents
Summary of Contents for WPM 0792
- Page 1 Permanent Magnet DC Motors for Permanent Magnet DC Motors for Permanent Magnet DC Motors Model 0792, 7/16 HP, without Direction Control Model 0796, 3/4 HP, with Direction Control Model 0797, 3/4 HP, without Direction Control P/N 074 01042 E (FZ)
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Page 2: Important Safety Precautions
IMPORTANT SAFETY PRECAUTIONS This manual contains the basic information needed to install and operate Bodine DC Motor Speed Control models 0792, 0796, and 0797. This manual does not profess to cover all details or variations in equipment, or to provide for every possible contingency associated with installation, operation, or maintenance. -
Page 3: Specifications
SPECIFICATIONS ABOUT THIS PRODUCT - Bodine Models 0792, 0796, and 0797 are designed to provide variable speed control of standard Permanent Magnet DC motors. Adjustable acceleration and deceleration are provided, making the drive suitable for soft start applications. The full- featured drive is easy to install and operate. -
Page 4: Installation
INSTALLATION This control should only be installed by a qualified person familiar with its operation and associated hazards. The National Electrical Code (NEC), local electrical and safety codes, and when applicable, the Occupational Safety and Health Act (OSHA) should be observed to reduce hazards to personnel and property. - Page 5 FIGURE 1 - Control mounting dimensions for Model 0792 FIGURE 2 - Control mounting dimensions for Models 0796 and 0797. Cords not shown, but they are the same as on Model 0792 (see Figure 1).
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Page 6: Step 2: Preliminary Setup
Exposed circuit boards must be protected from electrostatic discharge during handling to prevent component damage. MOTOR SIZE SELECTOR SWITCHES - Control Models 0792, 0796, and 0797 are packaged with the enclosure cover in place, but not attached. Remove the cover to set the motor size selector switches. Fig. -
Page 7: Step 3: Electrical Connections
ACCEL/DECEL SELECTOR SWITCHES – Fig. 3 shows the location of a bank of 8 DIP switches. Set switches 7 and 8 to select the acceleration and deceleration time range per Table 3. TABLE 3 – Setup of DIP switches 7 and 8. Switch Number Acceleration/Deceleration Time Range (seconds) - Page 8 3 of the AMP connector and to the ground screw in the control. See Fig. 3 for location of tabs. LINE FUSE - Models 0792, 0796, and 0797 have a fuseholder on the front panel of the enclosure.
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Page 9: Operation
OPERATION Step 4: Preliminary Checks Before Starting 1. Recheck all fuses, connections, and adjustments. 2. Check that motor is securely mounted. 3. Test the motor unloaded first to verify proper connections (follow instructions in Step 5). If the motor operates properly unloaded, then proceed with testing it loaded. - Page 10 With the MAX pot fully counterclockwise and the speed pot set at “100”, the motor will run at about 60% of its full speed. The factory setting of Model 0792 is for 130V motors. The factory setting of Models 0796 and 0797 is for 90V motors.
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Page 11: Troubleshooting
TROUBLESHOOTING WARNING Disconnect the control from the AC power source and wait seven minutes before working on the control, motor, or driven equipment. If the motor does not operate, first carefully remove the enclosure cover and observe the condition of the two diagnostic LEDs. 1. - Page 12 BODINE LIMITED WARRANTY The Bodine Electric Company warrants all products it manufactures to be free of defects in workmanship and materials when used under Normal Operating Conditions and when applied in accordance with nameplate specifications. When Bodine motors and gearmotors have been purchased with and used only with appropriately applied Bodine controls, this warranty shall be in effect for a period of twenty-four months from date of purchase or thirty months from date of manufacture, whichever comes first.
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