ICM CONTROLS ICM493 Single Phase Line Voltage Monitor Instruction Manual

June 13, 2024
ICM CONTROLS

ICM CONTROLS Logo ICM493
Programmable, Single-Phase Voltage Monitor with Surge Protection
INSTALLATION, OPERATION & APPLICATION GUIDE
ICM CONTROLS ICM493 Single
Phase Line Voltage Monitor

For more information on our complete range of American-made products – plus wiring diagrams, troubleshooting tips and more, visit us at www.icmcontrols.com

IMPORTANT SAFETY INFORMATION

HIGH VOLTAGE WARNING! – Turn off power at the main service panel before installing.

Limited lifetime product. Up to a 3-year $10,000 connected equipment warranty.

INSTALLATION

  1. Remove cover by extracting the screw from the bottom of the enclosure.
  2. Remove desired size knock-outs for conduit from the enclosure (1/2” or 3/4”).
  3. Mount the enclosure to the desired surface.
  4. Attach input and output conduit, apply strain relief.
  5. Tilt front panel diagonally and insert the panel into the enclosure, as shown in Figure 1.
  6. Lay the front panel horizontally in the enclosure and align the holes on the side, as shown in Figure 2.ICM CONTROLS ICM493 Single Phase Line Voltage Monitor - INSTALLATION 1
  7. Using the two larger screws, includedin the kit, and a screwdriver, attach the front panel to the enclosure.
  8. Wire L1 and L2 directly to the contactor input and output, as shown in Figure 3.ICM CONTROLS ICM493 Single Phase Line Voltage Monitor - INSTALLATION 2
  9. Close the hinged plate and secure the upper right corner into the bracket with the small screw provided in kit.
  10. Once settings have been configured, attach cover and secure with screw.

CALIBRATION FEATURE

The ICM493 can be calibrated to match the reading from a true RMS meter.

  1. Measure input voltage from T1 to T2 using a true RMS meter.
  2. Hold buttons simultaneously until line voltage starts to flash.
  3. Adjust voltage using buttons to match measured voltage from step 1.
  4. Push button to lock values into memory.

SPECIFICATIONS

Input:
Contact Ratings:

  • 180-264 VAC
  • Voltage: 240 VAC
  • 50/60 Hz
  • FLA: 40A • LRA: 240A

Control Operating Temperature:

  • Operating Temperature: -40°F to 167°F (-40°C to 75°C)
  • Storage Temperature: -40°F to 185°F (-40°C to 85°C)
  • LCD Operating Temperature: -4°F to 167°F (-20°C to 75°C)

Mechanical:

  • Mounting: Four mounting holes in back of enclosure
  • Enclosure: NEMA/Type 3R, rain-tight enclosure rated for outdoor installation
  • Dimensions: 8”L x 8.25”W x 4.37”H

Parameters:

  • Line Voltage: 200-240 VAC, adjustable
  • Over/under voltage setting: 5%-10%, adjustable
  • Anti-short cycle time delay: 0.5-10 minutes
  • Number of trials: 1-5, Auto
  • Number of movistors: 0-5

SETTING THE PARAMETERS

  1. Press the button to scroll through various user-configurable settings.
  2. Use the buttons to change the set point.
  3. When the last parameter has been set, you will return to the read screen.

BUTTON FUNCTIONS

Press to enter setup mode, and to toggle through user-configurable settings.
Press at any time to return to the Read screen, which will display any faults, the current linevoltage, and the number of remaining MOVs.
Press to scroll through past recorded faults. Hold for 5 seconds to clear fault memory.
Press to adjust settings Hold for 2 seconds to enter line voltage calibration.
ICM CONTROLS ICM493 Single Phase Line Voltage Monitor - Icon
8 Hold for 2 seconds to reset unit.

Parameter Description Range Default Recommended
Line Voltage The expected line voltage 200-240 240 Nameplate Voltage**
Over/Under Voltage The allowed percentage over and under the set line
voltage 5% to 10% 10% 10% Over/Under
Anti-Short Delay The amount of time delay between the end of a fault, and
closing of the contactor 0:30 to 10:00 0:30 4 minutes
Reset Mode Retries The number of retries after a fault has occurred. Auto has
unlimited retries. 1 to 5, Auto Auto Auto
Allowed MOV Fail The number of surge devices allowed to fail while

maintaining operation. Setting to “5” will allow operation, even when surge protection has been exhausted.| 0 to 5| 5| Set to “5” for ensured operation. Set to “4” for max. operation while ensuring surge protection.

LIAF209-7
7313 William Barry Blvd., North Syracuse, NY 13212
Phone:315-233-5266
Fax:315-233-5276
www.icmcontrols.com
800.365.5525

Documents / Resources

| ICM CONTROLS ICM493 Single Phase Line Voltage Monitor [pdf] Instruction Manual
ICM493 Single Phase Line Voltage Monitor, ICM493, Single Phase Line Voltage Monitor, Line Voltage Monitor, Voltage Monitor, Monitor
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