DRD 31 EC - Characteristic curve
- Auxiliary characteristics curves for control voltage 2.5 - 10 V
Centrifugal roof fan
DRD 31 EC
No longer available for deliveryManufacturer: MAICO
Centrifugal roof fan with EC motor, DN 315
Application examples: Production facility, Workplace, Commercial premises, Industrial building, Restaurant
Product data sheet
Characteristic curve
Dimensioned drawing
DRD 31 EC - Dimensioned drawing [mm]
- Clear width
- Number of holes: 3
Technical data
DRD 31 EC - Technical data
Accessories / Accessories of
DRD 31 EC - Accessories / Accessories of
General accessories
| Product type | Name | Art. No. | Price*(EUR) | Action |
|---|---|---|---|---|
| Flexible coupling | ELA 31 | 0092.0284 | on request | |
| Socket sound absorber | SD 31 | 0092.0340 | on request | |
| Potentiometer | ST EC 010 | 0157.0110 | on request | |
| Potentiometer | ST EC 230 | 0157.0109 | on request | |
| Potentiometer | ST EC 3 | 0157.0111 | on request | |
| Roof socket for flat roofs | SO 30 | 0093.0361 | on request | |
| Roof socket for flat roofs, tiltable | SOK 31 | 0093.0993 | on request | |
| Roof socket for pitched roofs | SDS 31 | 0093.0978 | on request | |
| Roof socket for corrugated and trapezoidal roofs | SOWT 31 | 0093.0986 | on request | |
| Intermediate socket | SZ 31 | 0092.0289 | on request | |
| Pressure and temperature control system | EAT EC No longer available for delivery | 0157.0119 | on request |
is a general accessory of
| Product type | Name | Art. No. | Price*(EUR) | Action |
|---|---|---|---|---|
| Surface-mounted exhaust air element, fire protection | Surface-mounted exhaust air elements, Centro-APB fire protection | - | - | - |
| Exhaust air element | Centro exhaust air elements | - | - | - |
Product description
Productdescription
DRD 31 EC
short description
Centrifugal roof fan with EC motor, DN 315Product description
Features
- Low energy consumption thanks to EC technology.
- Attractive aluminium housing.
- Easily detachable cover.
- Galvanised protective grille on the discharge side with protection against accidental contact.
- Sturdy eyebolts enable transport by crane.
- Impeller with plastic blades curved to the rear, dynamically balanced at two levels, in accordance with performance level 6.3, DIN ISO 1940.
Motor
- DC motor.
- Rated voltage 230 V, 50 Hz.
- Thermal overload protection as a standard feature.
- Speed output.
- 0 - 10 V DC control input
- Soft start.
- IP X4 degree of protection with closed housing cover.
Electrical connection
- In terminal box, easily accessible once housing cover has been removed.
Security instructions
- The fan can be operated only if the protection against accidental contact with the impeller is guaranteed for fans with a free inlet.
Wiring diagram
DRD 31 EC - Wiring diagram
DRD 31 EC, DRD 40 EC and DRD 50 EC roof fans with ST EC 010 potentiometer
Fuse and main switch provided by customer
BT - Operation
DRD 31 EC, DRD 40 EC and DRD 50 EC roof fans with ST EC 3 potentiometer
Fuse and main switch provided by customer
Levels 1 - 3 up to 7 V DC
Levels 2 - 5 up to 9 V DC
Level 3 - 10 V DC
BT - Operation
DRD 31 EC, DRD 40 EC and DRD 50 EC roof fans with ST EC 230 potentiometer
Fuse and main switch provided by customer
BT - Operation
Downloads / Videos
DRD 31 EC - Downloads / Videos
Predecessor - successor
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