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Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 CONT

Electric unit heaters are used where low cost electric power is available, or for isolated locations, intermittent use, supplementary heating, or temporary service. Typical applications are ticket booths, watchmen’s offices, factory offices, locker rooms, and other types of isolated rooms scattered over large areas. Electric units are particularly useful in isolated and untended pumping stations or pits, where they may be thermostatically controlled to prevent freezing temperatures.  2, record 1, English, - electric%20unit%20heater

Record number: 1, Textual support number: 1 OBS

The term unit heater denotes an assembly of elements, the principal function of which is to heat a space. The essential elements are a fan and motor, a heating element, and an enclosure. Filters, dampers, directional outlets, duct collars, combustion chambers, and flues may also be included. The various types of unit heaters in present use can usually be classified according to one or more methods. 1. By Heating Medium. Under this classification five heating media can be considered : a) steam, b) hot water, c) gas indirect-fired, d) oil indirect-fired, e) electric.  2, record 1, English, - electric%20unit%20heater

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 CONT

Il existe des aérothermes qui ne sont pas alimentés par un fluide chauffant, mais dans lesquels la chaleur est produite directement. Ce sont d'une part les aérothermes électriques, dont la batterie chauffante est constituée par des résistances chauffantes (fils au nickel-chrome, par exemple) qui, portées au rouge, atteignent une température de 300°C. D'autre part les aérothermes à feu direct [...]  2, record 1, French, - a%C3%A9rotherme%20%C3%A9lectrique

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 CONT

Steam or hot water unit heaters are relatively inexpensive but require a boiler and piping system ... steam or hot water heating is most frequently used in new installations involving a relatively large number of units and in existing systems which have sufficient capacity to handle the additional load.  1, record 2, English, - steam%20unit%20heater

Record number: 2, Textual support number: 1 OBS

The term unit heater denotes an assembly of elements, the principal function of which is to heat a space. The essential elements are a fan and motor, a heating element, and an enclosure. Filters, dampers, directional outlets, duct collars, combustion chambers, and flues may also be included.... The various types of unit heaters in present use can usually be classified according to one or more methods. 1. By Heating Medium. Under this classification five heating media can be considered : a) steam, b) hot water, c) gas indirect-fired, d) oil indirect-fired, e) electric.  1, record 2, English, - steam%20unit%20heater

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 OBS

Ces appareils [aérothermes] possèdent une surface de chauffe constituée par une batterie de tuyaux à ailettes en acier, en cuivre ou en aluminium. Cette batterie est alimentée par une installation de chauffage central à eau chaude ou à vapeur dans les mêmes conditions que les corps de chauffe ordinaires.  2, record 2, French, - a%C3%A9rotherme%20%C3%A0%20vapeur

Record number: 2, Textual support number: 2 OBS

Le chauffage par aérothermes n'est pas à proprement parler un chauffage à air chaud. La chaleur est distribuée jusqu'aux locaux à chauffer par un fluide chauffant quelconque : eau chaude, eau surchauffée, vapeur haute ou basse pression et l'aérotherme joue le rôle d'un échangeur où le fluide chauffant cède de la chaleur à l'air par convection forcée.  3, record 2, French, - a%C3%A9rotherme%20%C3%A0%20vapeur

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 CONT

Steam and hot water unit heaters are relatively inexpensive but require a boiler and piping system.... steam or hot water heating is most frequently used in new installation involving a relatively large number of units and in existing systems which have sufficient capacity to handle the additional load.  2, record 3, English, - hot%20water%20unit%20heater

Record number: 3, Textual support number: 1 OBS

The term unit heater denotes an assembly of elements, the principal function of which is to heat a space. The essential elements are a fan and motor, a heating element, and an enclosure. Filters, dampers, directional outlets, duct collars, combustion chambers, and flues may also be included. The various types of unit heaters in present use can usually be classified according to one or more methods. 1. By Heating Medium. Under this classification five heating media can be considered : a) steam, b) hot water, c) gas indirect-fired, d) oil indirect-fired, e) electric.  2, record 3, English, - hot%20water%20unit%20heater

Record number: 3, Textual support number: 2 OBS

These [unfired unit] heaters include those devices that use steam or hot water as the heating medium, delivered to the device by pipe.  3, record 3, English, - hot%20water%20unit%20heater

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 OBS

Ces appareils [aérothermes] possèdent une surface de chauffe constituée par une batterie de tuyaux à ailettes en acier, en cuivre ou en aluminium. Cette batterie est alimentée par une installation de chauffage central à eau chaude ou à vapeur dans les mêmes conditions que les corps de chauffe ordinaires.  2, record 3, French, - a%C3%A9rotherme%20%C3%A0%20eau%20chaude

Record number: 3, Textual support number: 2 OBS

Le chauffage par aérothermes n'est pas à proprement parler un chauffage à air chaud. La chaleur est distribuée jusqu'aux locaux à chauffer par un fluide chauffant quelconque : eau chaude, eau surchauffée, vapeur haute ou basse pression et l'aérotherme joue le rôle d'un échangeur où le fluide chauffant cède de la chaleur à l'air par convection forcée.  3, record 3, French, - a%C3%A9rotherme%20%C3%A0%20eau%20chaude

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 OBS

In the closed-cycle gas turbine, essentially all the working medium(except for seal leakage, bleed loss, and any addition or extraction of working medium for control purposes) is continuously recycled. Heat from a source such as fossil fuel(or possibly, nuclear reaction) is transferred through the walls of a closed heater to the cycle. The closed cycle can be charged with gases other than air, such as helium, carbon dioxide or nitrogen.  1, record 4, English, - closed%2Dcycle%20gas%20turbine

Record 4,  Textual support,  French

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 OBS

Four de réchauffement de l'agent de transmission de chaleur. (huile dans des fours industriels)  1, record 5, French, - r%C3%A9chauffeur%20du%20v%C3%A9hicule%20thermique

Record number: 5, Textual support number: 2 OBS

Heat transmission medium : véhicule thermique; heater : réchauffeur, élément chauffant, radiateur.  2, record 5, French, - r%C3%A9chauffeur%20du%20v%C3%A9hicule%20thermique

Record 5,  Textual support,  Spanish