Nortron OFE-ECM Energy Efficient Electric Furnace
Features
- Color: Standard grey.
- Voltage: 240V, 1-phase.
- Construction: Steel casing, all insulated for reduced heat loss and noise. One panel on casing provides access to internal parts.
- Fan: High quality precision balanced blower for quiet operation and optimal performance.
- Motor: Variable speed electronically commutated motor (ECM), permanently lubricated and rubber mounted for maximum vibration and noise reduction. Relay and printed circuit board (PCB) control automatic operation of motor and allow for the addition of air conditioning or heat pump.
- Heating element: Heavy duty, reliable Helical coil nickel-chromium alloy wire provide superior heat transfer with unrestricted air flow. Heating elements can be individually replaced. High-limit temperature control with automatic reset. Elements modulation is done by a low voltage printed circuit boards with rectifier/timers to prevent power surges.
- Control: Heavy duty 24VAC transformer provides power to relays and controls. Easy access built-in breakers with manual reset (except the 10kW models). "Speed Selection" switch: "Low" or "High". "Heat Activation" switch: "Slow" or "Fast". Compatible with 1 or 2-stage thermostat with or without external unit.
- Installation: Multi-position installation, sides, back, or bottom air returns. Approved for zero clearance installation against combustible surfaces.
- Warranty: 5-year warranty against defects.
- Application: For cottages, homes or offices, also approved for mobile homes use. May be installed in a basement, closet, crawl space or any unused area or alcove.
Models with Variable Speed Motor (ECM)
| Product # | Volts (1 ph) 2 wires | kW (BTU/hr) | Amp. including motor | Motor HP | Static Pressure at 0.2" W.C. | Motor Speed¹ | cfm² | Weight lb | kg |
|---|---|---|---|---|---|---|---|---|---|
| 21ECM10-A | 240 | 10.0 (34152) | 43.0 | 1/3 | Low | 740 | 108 | 50.0 | |
| 21ECM15-A | 240 | 15.0 (51228) | 64.0 | 1/3 | Medium | 1040 | 108 | 50.0 | |
| 21ECM18-A | 240 | 18.0 (61473) | 76.0 | 1/3 | Medium | 1040 | 110 | 49.9 | |
| 21ECM20-A | 240 | 20.0 (68304) | 84.0 | 1/3 | Medium | 1040 | 110 | 49.9 | |
| 21ECM23-A | 240 | 22.5 (76842) | 94.0 | 1/3 | Medium | 1040 | 115 | 49.9 |
¹ Factory settings.
² Refer to the installation instructions and owner's manual for complete air flow tables.
³ Available with 10kW, 15kW, 18kW and 20kW models. Standard color is grey.
Option
| Product # Kit | Description |
|---|---|
| FSB13 | Downflow sub-base |
Wall Controls
Compatibility
Compatible with any low voltage thermostat.
Dimensional and Connection Information
Front View: Shows overall dimensions of 991 mm (39") height, 538 mm (21 1/4") width, and 39 mm (1 1/2") depth. The filter frame can be located on either side, rear, or bottom.
Right Side View: Features a return air opening of 457 mm x 457 mm (18" x 18"). Includes wiring KOE labels A, B, and C. A dimension of 32 mm (1 1/4") is indicated.
Rear View: Features a return air opening of 457 mm x 457 mm (18" x 18"). Includes wiring KOE label C.
Left Side View: Features a return air opening of 457 mm x 457 mm (18" x 18"). Includes wiring KOE label C.
Top View: Shows a discharge air opening of 432 mm x 432 mm (17" x 17").
Wiring KOE Values
- A: 1 3/8" (35 mm)
- B: 1 1/4" (32 mm) and 1 3/4" (44 mm)
- C: 7/8" (22 mm) and 2" (50 mm)
