Duct Air Heater - No Control
Vent-Axia. The following information is provided for reference only.
Overview
Circular Duct Air Heaters comprising of electric resistance elements, mounted in a pregalvanised steel casing. Every heater is fitted with a high temperature safety cut out operating at 120°C complete with push button manual reset.
Available in 100, 125, 150, 200, 250, 315 and 400mm diameter sizes. The air velocity across the heater elements must be greater than 2m/s and installed a minimum distance of one metre from the exhaust outlet of the fan unit. All fans supplying heaters above 6 kW should be fitted with an off-delay timer to dissipate any residual heat when the system is shut down.
Duct heaters must be used in conjunction with a fan heater controller and a temperature thermostat (room or duct) and an air pressure/flow switch.
Product Specification
| Stock Ref No Øa b c kg |
|---|
| 10531100 100 100 90 2 |
| 10531125 125 112.5 115 2 |
| 10531150 150 125 115 2.5 |
| 10531200 200 150 180 3.5 |
| 10531250 250 175 180 4 |
| 10531315 315 207.5 180 5 |
| 10531400 400 250 230 8 |
Dimensions
| Diameter | kW | Stages | Phase | Amps | Stock Ref No |
|---|---|---|---|---|---|
| 100mm | 0.75 | 1 | 1 | 3.3 | 10531100 |
| 125mm | 1.0 | 1 | 1 | 4.4 | 10531125 |
| 150mm | 1.5 | 1 | 1 | 6.5 | 10531150 |
| 200mm | 2.0 | 1 | 1 | 8.7 | 10531200 |
| 250mm | 3.0 | 1 | 1 | 13.1 | 10531250 |
| 315mm | 4.5 | 1 | 1/3 | 14.6 | 10531315 |
| 400mm | 9.0 | 1 | 1/3 | 39.1 | 10531400 |
Duct Air Heater Resistance Graph:
Air Temp rise °C above ambient:
Dimensions:
