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Use of the power capacitor is necessary with the Cyclone and Atom speed controls to dissipate noise and smooth voltage spikes that are generated by the ultra-fast switching circuit in these controllers. The power capacitor will also improve the performance of these speed controls by reducing the operating temperature by 10-15 degrees Fahrenheit.

Failure to use the power capacitor with the Cyclone and Atom may result in damage to the electronics and will void the speed control's warranty.

The power capacitor is polarized. The negative side of the capacitor is marked with a stripe and a minus (—) sign, and has the shorter of the two leads. The positive side of the capacitor is unmarked and has the longer lead.

There are two methods of connecting the power capacitor--soldering directly to the speed control's solder posts or along the black and red power wires.

METHOD 1 CAPACITOR AT SOLDER POSTS

1. Position the power capacitor so that the negative (—) lead can be soldered to the solder post marked BLK and the positive (+) lead soldered to the post marked RED. Use double-sided tape to mount the power capacitor to the side or back of the speed control.
2. Insulate the power capacitor's leads by sliding the included small vinyl tubing over each lead.
3. Bend the leads of the power capacitor and cut to the proper length if needed, in order to align with the BLK and RED solder posts on the speed control.

4. Solder the power capacitor's negative (—) lead to the BLK solder post, and the positive (+) lead to the RED solder post. You can solder to either the top or sides of the solder posts.
5. Install the speed control. Use double-sided tape to prevent shock and vibration damage to the electronics.
6. Solder the power wires to the solder posts on the speed control.

Note: Solder with care. Avoid overheating of the electronics. Use a soldering iron with adequate power and heating, and avoid keeping the iron on solder posts longer than necessary. Inadequate power and excessive heating time can result in damage to the speed control's circuit board and electronics, and may void the warranty.

METHOD 2 CAPACITOR ON POWER WIRES

Note: Power capacitor is most efficient located as close to speed control as possible.

1. Determine where to install power capacitor along BLACK and RED power wires.
2. Cut a small section of insulation off of each of the power wires at the point you want to solder the capacitor.
3. Solder the power capacitor's negative (—) lead to the BLACK power wire, and the positive (+) lead to the RED power wire.

4. Insulate the power capacitor and the solder joints with the large piece of heat shrink tubing that came with the speed control or power capacitor.

5. Install the speed control. Use double-sided tape to prevent shock and vibration damage to the electronics.
6. Solder the power wires to the solder posts on the speed control.