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| Dunham-Bush Unit Heaters offer
an effective, efficient method of space heating, that is flexible enough to
fulfil most industrial heating applications such as factories, warehouses
and work shops.
The attractively styled, rigid casings are
finished in ‘Flake Grey’ durable epoxy polyester powder coating and are
fitted with high quality components which ensure reliable trouble-free
operation.
The basic unit range consists of four casing
sizes (1, 2, 3 and 4), each with the option of four hot water coils (A,B,C and D) and one
steam coil (S).
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| Normal or low speed motors suitable for 415
volts, 3 phase, 50 hertz or 240 colts; 1 phase, 50 hertz can be
supplied. All motors are complete with automatic reset thermal cut out. To give maximum flexibility of application, basic unit heaters are suitable for
horizontal or vertical discharge. A basic unit consists of a casing, heating coil,
adjustable discharge louvre and motor / axial fan assembly.
For even greater flexibility, the basic unit is
enhanced by a range of accessories to meet almost every application.
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| Accessories These
optional accessories can help to enhance the required performance of the Dunham-Bush Unit
Heaters. |
| Wide Spread Discharge |
Produces a wider spread of heated air. Two sets
of louvres are individually adjustable. |
| Discharge Cone |
For vertical application. Increased vertical air
throw and mounting height. |
| Discharge Nozzle |
Increases air throw and provides angled
discharge. |
| Filter Box |
Provides filtration of inlet air. |
| Inlet Box |
Encloses motor / fan assembly and provides
return air through mesh inlet screen. Also suitable for introduction of outside air and
ductwork connection. |
| Mixing Box |
Permits connection to outside air duct. Two sets
of inter-connected, multi-leaf damper blades allows mixing of recirculation and outside
air, by manual adjustment lever or electric actuator. |
| Wall / Wall Mounting Brackets |
Wall / Ceiling brackets are used to mount units
directly on a wall or directly below a ceiling, thus eliminating the need for drop rods. Note
1. If wall / ceiling brackets are ordered, the standard hanging plates are omitted.
Note 2. Wall / Ceiling brackets are not suitable for use with mixing boxes. |
| Contactor Switch |
For manual control of fan motors or for
automatic control if used with a room thermostat. |
| Room Thermostat |
For automatic space temperature control. |
| Flameproof Motors |
Offered for use in hazardous areas. Normal speed
motors, 415 volts, 3 phase, 50 hertz only. |
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