GP10NL Rotary Phase Converter Installation and Operation Guide
Phoenix Phase Converters
Important Notes Before Installation
Read First - Before Installation:
- ? Most important step to know.
- NEVER start the phase converter with a load, including transformers.
- Ensure incoming service is adequate. Call your electric company to verify the KVA size of the transformer; this KVA number should be larger than the HP of the idler motor.
- DO NOT use wire nuts for any connection; use bolt-down lugs.
- Check all connections, including factory connections to the power block, to ensure they are secure. Recheck connections after a few weeks of use.
- When powering up the unit, if the idler motor does NOT come up to FULL SPEED, shut the phase converter down immediately. If unsure, call Phoenix Phase Converters or a qualified electrician. Failure to turn off the unit promptly may damage the idler motor, which will not be covered under warranty.
- Must be installed by a licensed industrial electrician. These guidelines do not supersede local and state laws.
Power Requirements and Breaker Sizing
Power Requirements:
- Use a motor load type breaker. Do not use a quick-blow or trip breaker.
- Sizing a breaker for a single machine with an inductive load (motors): Double the amp size of the machine. For example, if the equipment pulls 20 amps, use a 40 amp breaker.
- Sizing the equipment for multiple machines: Double the amp draw of the largest machine and add the amp draw of other machines that will run simultaneously.
- Example: 20 AMP Lathe, 9 amp Saw, 6 amp Milling Machine.
- Calculation: (20 AMP x 2) + 9 AMP + 6 AMP = 40 + 9 + 6 = 55 amps.
- Use the next standard size breaker, which would be a 50 Amp two-pole breaker.
- Use the provided chart to ensure you do not go over or under the minimum and maximum breaker sizes allowed. For rural areas, increase the minimum breaker size by 20%.
Wire and Breaker Sizes (Single Phase Idler Motor):
| Component | Specification |
|---|---|
| Wire (Copper) | 6 AWG under 50 feet |
| Idler Motor Wire (Copper) | 8 AWG |
| Breaker/Fuse | 20 MIN / 40 MAX Amps |
Note: For rural areas, increase the minimum breaker size by 20%.
Connecting the Idler Motor Wires
This section provides an illustration of how wires are connected. DO NOT USE WIRE NUTS; USE BOLT-DOWN LUGS.
Refer to specific instructions based on the motor's lead configuration:
- For motors with 9 leads, follow specific instructions (link provided in original document).
- For motors with 12 leads, follow specific instructions (link provided in original document).
Specific Wiring for 12-Wire Idler Motor:
- Connect leads 1, 7, 6, and 12 to L1.
- Connect leads 2, 4, 10, and 12 to L2.
- Connect leads 3, 5, 9, and 11 to L3.
10 HP Rotary Phase Converter Components
The following table lists the components included in the 10 HP Rotary Phase Converter model. Links are provided in the original document for more details on each item.
| Item Number | Description | Quantity in Model | SKU# | Price (USD) |
|---|---|---|---|---|
| 1 | Two Pole Contactor, 230 Volts, 30-40 Amps | 1 | GP2P30A | 28.00 |
| 2 | Relay 90-66 | 1 | GP90-66 | 47.00 |
| 3 | Capacitor (SILVER CAP), 100 MFD 370V Run | 2 | C375C | 26.00 |
| 4 | Capacitor (BLACK LARGER CAP), 630 MFD 220V Start | 1 | 24.14 | |
| 5 | Start Capacitor (BLACK SMALL CAP), 270-324 MFD 220V | 1 | 18.00 | |
| 6 | Capacitor Holder and Lid | 1 | 115.00 | |
| 7 | 3 Pole Contactor, 50-60 AMP, 230 Volts | 1 | 52.84 | |
| 8 | 5 HP 3 Pole Power Block | 1 | 45.00 |
