SmartFan® Nimbus-HP
AC Motor Speed Control for Fans, Pumps and Motors

SmartFan Nimbus-HP AC Motor Speed Control
Nimbus-HP AC Motor Speed ControlOperation/Installation Manual
On-board programming allows the setting of many parameters providing maximum flexibility. Special and custom AC motor speed control configurations are available.
Benefits of using SmartFan Nimbus-HP AC motor speed control include acoustical noise reduction, environmental (humidity, temperature or pressure) regulation, greater product reliability, increased
fan life, improved safety and energy savings
Control Comparison & Motor Efficiency
See technical article on how the Nimbus-HP AC motor speed control compares to other controller technologies.
Specifications – Nimbus-HP AC Motor Speed Control
- Power source: 85 – 300 VAC, automatically detected
- Frequency: 47-64 Hz, automatically detected
- Output power ratings at 65°C: 8 to 18 Amps
- Motor type: Induction either permanent split capacitor (PSC) or shaded pole motors that have been approved for voltage control by the motor manufacturer
- Input power and motor connections: 1/4″ quick connects
- Control signal, sensor and alarm connections: Terminal Block
- Full voltage start pulse
- Storage temperature: -40°C to 125°C
- Operating temperature: -20°C to 65°C
- Temperature accuracy and hysteresis: 2°C
- Weight: 1.25 lb. (567 grams)
- Weight with cover: 1.90 lb. (862 grams)
- RoHS (6/6) compliant
- Agency approvals pending
Features – Nimbus-HP AC Motor Speed Control
- AC motor speed control based on:
- 4-20 mA control signal
- 2-10 VDC control signal
- Up to three remote temperature sensors (supplied separately)
- Dual control option (i.e. temperature and humidity)
- Programmable temperature control mode options:
- Four full speed temperature settings
- Two control temperature slopes
- Four idle speed settings
- Programmable fan/motor turn off at idle
- 64 fixed speed settings
- Remote alarm signal to indicate loss of control signal or over temperature condition
- Optional metal cover

Part Numbering – Nimbus-HP AC Motor Speed Control
| Part No. | Power Source | Output Power Rating at 65°C | Enclosure |
| TRC1800-F | 85-300 VAC | 18 Amps | No |
| TRC1800E-F | Yes |
Manual Pages – Nimbus-HP AC Motor Speed ControlOperation/Installation Manual
Use the links below for addtional manual pages or for a complete manual or click on the Operation/Installation Manual PDF link above.
- NIMBUS-HP AC Motor Speed Control CATALOG PAGE
- CONTROL MODE SETTINGS
- REMOTE TRANSDUCER & FIXED SPEED SETTINGS
- CONNECTIONS
- TECHNICAL DATA
Nimbus-HP – your choice for AC motor speed control for Fans, Pumps and Motors










