MICRO-AIR Artic Air 24 Guía de instalación descargar pdf (Pagina 13)

plate # W” L” S.A. sq ft. ref & frz btu/ hr. plates x 2

M1 11 16 2.6 51 102

M2 11 20 3.3 66 132

M3 13 24 4.6 93 186

M4 15 19 4.1 81 163

Select the size and number of plates that will fit in the box and provide sufficient BTU/hr capacity.

If none of the standard choices will work, custom sized plates are available.

The maximum number of plates in any one zone is two. If a box has an hourly heat load of more

than 186 BTUs per hour, this can be handled by installing multiple zones in the same box. This

situation would be unlikely except in the case of a very large, possibly poorly insulated freezer.

If you can afford the space, over plating is preferable in a freezer. Under plating will result in

unsatisfactory box performance.

In a reefer, significant over plating can result in a box that runs too cold, but this can be easily

corrected by covering part of the plate surface area with foam insulating tape.

1. Keep your tubing connections in mind - Makes certain you have sufficient room to prevent oil

traps (see the evaporator plate installation section for more detail). (This is a Prestart

Checkout Item)

2. Plates may be mounted in any position, except upside down with the valve at the bottom.

3. The holding plates should be mounted on the side(s) of the box as high on the box wall as

possible. This is to take advantage of the convection currents which form as the air cools and

sinks down towards the bottom of the box. Having the plate(s) located near the top of the box

will help maintain even temperatures throughout the box. Although it may seem counter-intuitive,

mounting the plate(s) on the roof of the box will not provide as good an air circulation.

4. In the case of freezer holding plates attention must also be paid to the spacing of the plates

and the distance to other areas of the box. To ensure proper freezer temperatures under all

conditions, no point in the freezer box should be further than 18" ( about 450mm) from a

Trimline

Spider-coil

plate.

Arctic Air

Air Conditioning

Please read the section on the Arctic Air

installation on page 26 before selecting a location for

your blower.

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MICRO-AIR Artic Air 24 Guía de instalación Pagina 13