ECR 31-2 EC - Characteristic curve
- Auxiliary characteristics curves for control voltage 5 V, 7 V and 10 V
Compact box
ECR 31-2 EC
Manufacturer: MAICO
Compact supply air unit with integrated electric air heater, EC motor, filter and controller, DN 315
Application examples: Workplace, Doctor's practice, Day room, Fitness room, Restaurant
Product data sheet
Characteristic curve
Dimensioned drawing
ECR 31-2 EC - Dimensioned drawing [mm]
Technical data
ECR 31-2 EC - Technical data
Accessories
ECR 31-2 EC - Accessories
Specific accessories
| Product type | Name | Art. No. | Price*(EUR) | Action |
|---|---|---|---|---|
| Sound-insulated ventilation box | ESR 31 EC Remaining parts | 0080.0088 | on request | |
| Sound-insulated ventilation box | ESR 31-3 EC New development | 0080.1004 | on request | |
| Fixing cuff | ELR 31 | 0092.0114 | on request | |
| Air filter, replacement | ECR 25-31 EC M5 | 0093.1524 | on request | |
| Air filter, replacement | ECR 25-31 G4 | 0093.0894 | on request | |
| Air filter, replacement | ECR 25-31 F7 | 0093.0896 | on request |
General accessories
| Product type | Name | Art. No. | Price*(EUR) | Action |
|---|---|---|---|---|
| Automatic backflow preventer | AVM 31 | 0093.0009 | on request | |
| Protective grille | SGR 31 | 0150.0128 | on request | |
| Tubular sound absorber | RSR 31 Remaining parts | 0092.0319 | on request | |
| Tubular sound absorber | RSR 31/50 Remaining parts | 0092.0329 | on request | |
| Tubular sound absorber | RSR 31-1 | 0092.0599 | on request | |
| Tubular sound absorber | RSR 31/50-1 | 0092.0606 | on request |
Product description
Productdescription
ECR 31-2 EC
short description
Compact supply air unit with integrated electric air heater, EC motor, filter and controller, DN 315Product description
Features
- Compact supply air unit with filter, electric air heater and control.
- stepless fan control: Constant volumetric flow/ constant pressure/ constant speed/ temperature/ CO2 controlled.
- Operating mode and setpoint temperature can be selected directly on the control panel. Timer with time programme and filter monitoring integrated in the control panel.
- The control is designed in such a way that an exhaust air fan (optional) can also be integrated. Thus, a complete ventilation system with supply and exhaust air can be installed with the simplest of means.
- Error monitoring.
- Possibility of connecting temperature sensors and/or air quality sensors.
- Modbus interface for connection to building control system.
- Extended menu structure with several levels and authorization concept.
- With sound-absorbing rock wool, laminated with silk glass, and double-walled housing for minimum noise level and the best thermal insulation.
- Air filter replacement in seconds without tools.
- Impeller with blades curved to the rear for optimised efficiency.
- Removable cover with clip-locks.
- Inlet and outlet side connection socket for direct installation in ventilation ducts.
- Time-saving mounting thanks to mounting tracks.
- With automatic fan overrun to protect against overheating.
- Can be switched on/off using external potential-free contact.
- IP 33 degree of protection.
Electric heating register
- Existing housing unit, provided with protective grilles on both sides
- Housing unit can be pulled out of the housing by loosening 4 fixing screws.
- mounted in the housing downstream of the fan, in the air flow direction.
- Closed tubular radiator made of stainless steel.
- Temperature sensor arranged in flow direction downstream of the heat register with radiation protection plate.
- 3-step power control of the electric heating register.
- Safety temperature limiters switch off the electric heating register at a temperature of 75°C in the event of a fault. After the safety temperature limiters have been triggered, they must be reset manually.
Control panel
- Separate control panel, incl. control cable, is included in the scope of delivery.
- Operating mode and setpoint temperature can be selected directly on the control panel.
- Timer with time programme and filter monitoring integrated in the control panel.
Fan
- Motor/impeller combination.
- EC motor.
- Impeller mounted perpendicular to the air direction.
- Impeller with backward curved blades.
Motor
- EC motor with 3 freely adjustable speed levels from 0-100 %.
Installation information
- Four clip-locks for fastening the housing cover.
Wiring diagram
ECR 31-2 EC - Wiring diagram
M1 supply air fan
J1 Termination BDT
J2 Termination Modbus
B1 Filter monitoring of supply air
B2 Volumetric flow of supply air
GHS housing Switch box
GHH housing Heating
GHB housing Box
Power supply / 400V / 3- / N / 50Hz
Fuse, external 16A
Downloads / Videos
ECR 31-2 EC - Downloads / Videos
Predecessor - successor
ECR 31-2 EC - Predecessor
| Product type | Name | Art. No. | Action |
|---|---|---|---|
| Compact box | ECR 31 EC No longer available for delivery | 0080.0578 |
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