STjh manual EC FFU speed controller with large potentiometer knob, diagnostic LEDs and motor connector

STJH-EC-FFU-SPEED-CONTROLLER-MANUAL

FFU Speed Controller Manual Potentiometer EC

A stand-alone potentiometer for simple local balancing of one brushless EC FFU.

1-100% speed range
Manual potentiometer
LED diagnostics

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Product Introduction

This local controller adjusts a compatible brushless EC fan from 1% to 100% through an onboard potentiometer. LED indicators provide basic diagnostics without requiring a building network, PLC or supervisory software. It is the simplest option for individual FFUs and small cleanrooms where each operating point is set at the unit.

Key Features

Direct local adjustment

Technicians set fan duty at the controller without digital addressing.

Full stated range

The potentiometer covers 1% through 100% command.

Basic visual feedback

LEDs indicate controller or fan status during setup.

Technical Parameters

Control Mode	Manual potentiometer
Speed Range	1-100%
Motor Compatibility	Brushless EC
Diagnostics	LED indicators
Network Requirement	None
Command Location	Local
Controlled Equipment	Individual compatible FFU
Balancing Method	Manual speed setting
Installation	At or near the fan filter unit
Customization	Available based on the intended application and operating environment.

Applications

Designed for individual FFUs, small cleanrooms and local balancing where remote automation is unnecessary. Access should remain available for later filter-loading adjustments.

Solutions for Your Application

A full network is excessive for one or two FFUs.Use the local potentiometer without a supervisory controller.

Technicians need immediate confirmation during setup.Use the LED indications alongside measured airflow.

Available Options

Confirm EC motor compatibility, connector type, mounting location and permitted command range. Final speed should be set from measured airflow.

Planning a FFU Speed Controller Manual Potentiometer EC specification?

Send us your dimensions, installation conditions, performance targets and required surface finish.

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