| 摘要 |
The heater (10) comprises a transportable integrated unit consisting of at least one air intake (12), a fan (15) and an electrically heated heat battery (14) through which heat passes to or from the fan. A pressure box (16) is provided with an air outlet (17), and a central electrical unit (18) has regulators for the fan and heat battery. - The unit is suitably connected to a permanent ventilation channel system in the building, to which it delivers air.(1) |
