Before mounting the operator, verify all components and site conditions. 1. Package Contents Crawford CDM9 950 drive unit Control unit board (integrated or external) Wall mounting brackets and fasteners Torque arm or drive shaft adapters Manual override chain or release cord 2. Required Tools Metric socket set (10mm to 19mm) Allen keys (hex wrenches) Insulated screwdrivers (flathead and Phillips) Digital multimeter Laser level or spirit level 3. Site Preparation
The Crawford CDM9 operator, when paired with the ECS 950 control unit, is a standard setup for industrial overhead sectional doors. Installation involves mounting the drive unit to the door shaft and configuring the control system's limits. 1. Mechanical Installation of the Drive Unit
| Specification | Details | |------------------------|---------| | | 230V AC, 50Hz, 1-phase, 2A | | Motor Power | 0.37 kW | | Torque | Approx. 60 Nm | | Speed | 0.25 m/s | | Protection Class | IP55 (control box IP55, plug IP44) | | Operating Temp | -20°C to +55°C | | Duty Cycle | 30% | | Door Weight (CDM9) | Up to 400 kg | | Door Weight (HD) | Up to 800 kg | | Shaft Size | 35mm hexagonal |
: Disconnect the light grid from terminals X7:5 and X7:6 and connect the specialized installation device to these same terminals. crawford cdm9 950 installation manual
[ Door Shaft ] <=== (Torque Arm / Bracket) === [ CDM9 950 Operator ] || [ Manual Hoist Chain ] Step-by-Step Mechanical Installation
: A dedicated ECS 950 Service Tool can be used to view error codes, reset counters, and set operational parameters.
: IP55 protection (plug is IP44); operating temperature range of -20°C to +55°C . Maintenance & Troubleshooting Before mounting the operator, verify all components and
The CDM9 950 requires safety devices such as a safety edge (electrical or optical) or a light grid (e.g., connected to X7:5 and X7:6 ).
Exit programming mode by waiting 10 seconds or pressing the program button again. Run a full cycle to confirm positions. Maintenance and Safety Tests
This guide covers everything from specifications and safety to programming and troubleshooting, consolidating information from official manuals. Required Tools Metric socket set (10mm to 19mm)
The operator has multiple redundant safety systems. Understanding them is essential for safe use.
If the door closes without a pulse from the pneumatic switch, the control unit enters , requiring continuous pressure on the close button. This can happen if the pressure switch fails or the hose becomes disconnected.
Place a 50mm high object on the floor and close the door. The door must reverse instantly upon striking the object.