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OJ-DRHX Drives for rotary heat exchangers

The DRHX drive range takes an all-new approach to rotary heat exchanger drives. Instead of using conventional geared motor technology, the combination of a stepper motor and field oriented sensorless motor control brings you energy-optimised heat recovery and best in class price performance.

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DRHX-1220, 4 & 8Nm
DRHX-1220, 4 & 8Nm
DRHX-1055, 2Nm
DRHX-1055, 2Nm
DRHX-1220, 4 & 8 Nm
DRHX-1220, 4 & 8 Nm
DRHX-1690, 14Nm
DRHX-1690, 14Nm

OJ-DRHXWorld leading technology

OJ DRHX is a series of drives dedicated to rotary heat exchangers

The DRHX range takes an all-new approach to rotary heat exchanger drives. Instead of using conventional geared motor technology, the combination of a stepper motor and field oriented sensorless motor control brings you energy-optimised heat recovery and precise temperature control. This patented solution gives you an entirely new way of maximising the efficiency of your ventilation systems.

The DRHX is equipped with a software rotation monitor, which means that no physical optical rotation guard is needed. A sophisticated control algorithm detects whenever rotation is absent.

With the OJ DRHX series we have built an application-ready solution that can be installed and integrated to fit your exact requirements. No components or detail has been overlooked in creating these didicated drives. Drives that are quick to install, simple to customise, easy to mount and work in any condition.

The product range covers the full range from 1Nm to 14Nm in three drive power sizes.

Product features:

  • Sealing grade of IP 54
  • Self-cooling
  • -40°C to +40°C
  • Stepper motor
  • 230V AC single-phase supply

Product Downloads

Product Catalogue, HVAC Controls & Drives, 2020
File type/size:PDF ( 2.79 MB )
Tender Text, OJ-DRHX, German
File type/size:PDF ( 457.15 KB )
Product Sheet, OJ-DRHX-Constant-Speed, English
File type/size:PDF ( 180.83 KB )
Product Sheet, OJ-DRHX-Modbus-Control, English
File type/size:PDF ( 223.48 KB )
Tender Text, OJ-DRHX, English
File type/size:PDF ( 458.16 KB )
Product Sheet, OJ-DRHX-Modbus-and-Analog-Control, English
File type/size:PDF ( 341.82 KB )
Brochure, OJ-DRHX-MRHX, English
File type/size:PDF ( 24.23 MB )
Quick Guide, OJ-DRHX / MRHX
File type/size:PDF ( 517.35 KB )
Instructions, OJ-DRHX-MRHX-1-8Nm, Swedish
File type/size:PDF ( 2.80 MB )
Instructions, OJ-DRHX-MRHX-Constant-Speed, German
File type/size:PDF ( 3.04 MB )
Instructions, OJ-DRHX-MRHX-Constant-Speed, English
File type/size:PDF ( 3.04 MB )
Instructions, OJ-DRHX-MRHX-1-8Nm, Spanish
File type/size:PDF ( 2.82 MB )
Modbus Protocol, OJ-DRHX-MRHX, English
File type/size:PDF ( 2.84 MB )
Instructions, OJ-DRHX-MRHX-1-8Nm, Norwegian
File type/size:PDF ( 2.82 MB )
Instructions, OJ-DRHX-MRHX-1-8Nm, Russian
File type/size:PDF ( 2.87 MB )
Instructions, OJ-DRHX-MRHX-1-8Nm, Danish
File type/size:PDF ( 2.80 MB )
Instructions, OJ-DRHX-MRHX-1-8Nm, English
File type/size:PDF ( 2.82 MB )
Instructions, OJ-DRHX-MRHX-1-8Nm, French
File type/size:PDF ( 2.81 MB )
Instructions, OJ-DRHX-MRHX-14Nm, Danish
File type/size:PDF ( 2.55 MB )
Instructions, OJ-DRHX-MRHX-14Nm, French
File type/size:PDF ( 2.57 MB )
Instructions, OJ-DRHX-MRHX-14Nm, English
File type/size:PDF ( 2.56 MB )
Instructions, OJ-DRHX-MRHX-14Nm, German
File type/size:PDF ( 2.57 MB )

Product FAQ

DRHX-1220, 4 & 8Nm

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