Table of Contents
Troubleshooting
Related Manuals for Neptune 1.25HP
Summary of Contents for Neptune 1.25HP
- Page 1 Installation and Operation Manual Model: 1.25HP Programmable Pool Pump Motor/Control This product does NOT provide a Safety Vacuum Release System (SVRS). Save this instruction manual for future reference. Part #: M018212890000 Rev Date: November 5, 2019...
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Page 2: Table Of Contents
Table of Contents Important Safety Information ......................1 ™ About the Neptune 1.25HP Pool Pump ..................3 Features ..........................3 Motor Dimensions (Square-Flange) ..................4 Motor Dimensions (C-Flange)....................5 Electrical Requirements ........................6 Input ............................6 Input Line Voltage ....................... 6 Input Line Current ....................... - Page 3 Operational States ....................16 Menu Trees ......................17 Standard Settings ..................... 17 Custom Settings ....................... 18 Configure Your Pool Pump ....................19 Time Of Day ......................19 24H or AM/PM ......................19 Priming Duration ....................... 19 Priming Speed ......................19 Temp Unit .........................
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Page 4: Important Safety Information
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Important Safety Information Read all instructions thoroughly and be familiar with the equipment before installing or working on it. ·... - Page 5 The motor and control unit are assembled and calibrated as a set. There are no serviceable parts in the motor or control. ™ Do not lift the Neptune 1.25HP motor by the electronic control. · To prevent permanent damage to the unit, only apply nameplate voltage. ·...
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Page 6: About The Neptune 1.25Hp Pool Pump
™ The Neptune 1.25HP variable speed pool pump is a premium efficient product that includes a fully integrated motor, control, and User Interface (UI). The product gives you programming flexibility and speed range capability. It is also designed to communicate and operate with a variety of external system controls, in addition to the on-board User Interface. -
Page 7: Motor Dimensions (Square-Flange)
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Motor Dimensions (Square-Flange) All dimensions are for reference only. Side View Fan View Shaft View I n s t a l l a t i o n a n d O p e r a t i o n M a n u a l... -
Page 8: Motor Dimensions (C-Flange)
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Motor Dimensions (C-Flange) All dimensions are for reference only. Side View Fan View Shaft View I n s t a l l a t i o n a n d O p e r a t i o n M a n u a l... -
Page 9: Electrical Requirements
The unit is rated for the following maximum outputs: Speed (RPM) Rated Torque 1.25HP 3450 22.75 in-lb. I n s t a l l a t i o n a n d O p e r a t i o n M a n u a l... -
Page 10: Agency
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Agency UL File Number: E503587 (control) · E255002 (motor and control) · Safety Document Description UL 60730-1... -
Page 11: Installation Instructions
™ The Neptune 1.25HP has been functionally tested before shipment. Most pool installations already have the electrical power in conduit. However, on-site installation requirements and electrical codes vary widely and are the responsibility of the installer. The motor / control must be wired before operating. -
Page 12: Wiring The Motor
1 . 2 5 H P P o o l P u m p M o t o r Wiring the Motor ™ Follow the steps outlined below to wire the Neptune 1.25 Pool Pump Motor. Always disconnect electrical power at the fuse box or circuit breaker panel before handling ·... - Page 13 ™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r 4. Flip the Voltage Selection Switch in the High Voltage compartment to the right for 115 Vac operation (Figure 2).
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Page 14: Motor Protections
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Motor Protections The unit is designed to protect itself in the event of a fault situation. Fault handling is defined below: The drive disables power to the motor. -
Page 15: Hardware Protection
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Hardware Protection Fuse Protection ® The unit includes fuse protection to meet UL component failure testing. -
Page 16: Pump Control Via The User Interface
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Pump Control via the User Interface The User Interface (UI) enables you to program the operation of the pool pump. Generally, the buttons have two functions. -
Page 17: Quick Start Guide
™ The Neptune 1.25HP Variable Speed Pool Pump Motor ships with a Quick Start Guide on the inside cover of the User Interface. If the guide is missing, use the following. I n s t a l l a t i o n a n d O p e r a t i o n M a n u a l... -
Page 18: Navigation With Ui Buttons
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Navigation with UI Buttons When the motor is in Standby Mode and the UI is unlocked, pressing the MENU/ENTER button once cycles the motor into Navigation Mode. -
Page 19: Unlock The Keypad
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Press the MENU/ENTER button within the time frame to confirm the operation. The LCD screen then displays the following message for two (2) seconds and returns to normal operation. -
Page 20: Menu Trees
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Menu Trees There are two top-level menus in Navigation Mode: Standard Settings and Custom Settings. Sub menus under these two allow you to change system settings and customize all program Timers. -
Page 21: Custom Settings
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Custom Settings Configuration options under Custom Settings allow you to program the Start Time, Duration, and Speed of each Timer. -
Page 22: Configure Your Pool Pump
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Configure Your Pool Pump Begin programming the pool pump from the Standard Settings menu. The control compares the time of day you enter against programmed schedule times to determine the next pump operation. -
Page 23: Temp Unit
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Each press of the Scroll Up or Scroll Down button increases or decreases the RPM in increments of ten (10). -
Page 24: Node Id
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Contact US Motors/Nidec Motor Corporation for the proper communication protocol. If an external controller is used, make sure the line is an isolated, non-grounded connection. -
Page 25: Timers 1 - 7
™ One of the key advantages of the Neptune 1.25HP is the flexibility of customizing up to seven Timers. The Timers control when the pump switches on and off throughout the day. You can customize the Start Time, Duration, and Speed for each. Control logic begins at the speed with the earliest start time of the day and continues running that speed until the next start time of day is reached. -
Page 26: Overriding A Timer
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Overriding a Timer You can override the speed and flow rate programmed into Timers 1 – 7 (if all timers are activated) without having to re-program the pump. -
Page 27: Wiring A Remote Connection
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Wiring a Remote Connection You can attach any RS485-compatible cable to the RS485 connector. Switch RS485 Connector... -
Page 28: Troubleshooting
Troubleshooting This troubleshooting guide provides field technicians a step-by-step process for accurately diagnosing ™ and troubleshooting certain problems experienced by the Neptune 1.25HP pool motor. This section however does not override or replace instructions suggested by the manufacturer of the pump system. -
Page 29: General Troubleshooting
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r General Troubleshooting Symptom Possible Cause Corrective Action Verify that the motor voltage to the terminals matches the nameplate voltage requirements. -
Page 30: Fault Conditions
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Fault Conditions The motor is designed to protect itself in the event of a fault condition. Should the motor encounter a fault, the Error light on the integrated UI illumines and the LCD displays basic information related to the problem. -
Page 31: E 5 - Open Phase
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r E 5 – Open Phase Self-Clearing (No), Retry Count (50), Retry Delay (12 Seconds), User Reset (Yes) An open phase indicates that one or more of the three phase lines between the motor and control is not connected securely, or that there is an open circuit in the motor winding phase. -
Page 32: E 12 - Ui Key Stuck
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r E 12 – UI Key Stuck Self-Clearing (No), Retry Count (0), Retry Delay (0 Seconds), User Reset (Yes) The Start/Pause button is stuck. -
Page 33: Maintenance
™ Neptune 1.25HP Variable Speed Pool Pump. Try out the Energy Calculator to determine your energy savings by reducing the speed while enabling the proper amount of daily flow needed to filter your pool. I n s t a l l a t i o n a n d O p e r a t i o n M a n u a l... -
Page 34: Default Settings
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Default Settings These are the factory default settings for each of the configurable parameters. The default values listed below are based on AM/PM equivalents, not the 24H clock setting. -
Page 35: Warranty Information
™ N e p t u n e 1 . 2 5 H P P o o l P u m p M o t o r Warranty Information LIMITED WARRANTY Nidec Motor Corporation (NMC) extends the following LIMITED WARRANTY to the purchaser and to its customers (collectively referred to as the “Purchaser”) of the enclosed motor and components: the motor and components are free from defects in materials and workmanship under normal use, service and maintenance FOR A PERIOD OF 18 MONTHS FROM THE DATE OF ORIGINAL PURCHASE FROM... - Page 36 For more information © 2019 Nidec Motor Corporation. All rights reserved. U.S. Motors® and Neptune™ are 8050 W. Florissant Avenue | St. Louis, MO 63136 trademarks of Nidec Motor Corporation. Phone: 800-566-1418 FAX: 314-595-8922 http://acim.nidec.com/motors/usmotors/industry- applications/pool-and-spa...
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