Emerson ZX, User Manual

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Fig 13. shows the overall dimensions of the ZX units. It is recommended that a clearance of 300
mm from the wall (or the next unit) be maintained from the unit’s Left and Rear panel whereas a
clearance of 500 mm to be maintained from the units Right, Top and Front panels. ( seen facing
the front of the unit) Both Service Access and airflow have been considered in making these
recommendations.
Where multiple units are to be installed in the same location, the contractor needs to consider
each individual case carefully. There can be many variations of unit quantities and available
space and it is not the intention of this manual to over these here. But in general terms, air by-pass
around each condenser and between each unit should be avoided at all times.
Ideally, the unit should be mounted level on a solid concrete slab with rubber strips between unit
feet and concrete. However the ZX has also been designed for mounting on suitable brackets for
wall mounting. In this case it is not only equally important that the spatial guidelines given above
are followed but additional consideration needs to be given for possible air recycling if units are
stacked above and below each other.
Other factors to consider in finding a good installation site includes the direction of the prevailing
wind. For example if the leaving air from the condenser faces the prevailing wind, the air flow
through the condenser can be impeded, causing high condensing temperatures and ultimately
resulting in reducing the life of the unit. A baffle is one remedy for this situation.
The unit should never be installed adjacent to a dust source (dirt road). External
fouling of the condenser fins also leads to high condensing temperatures, and once
, will reduce the life of the again unit.
Fig. 13 Physical Dimensions
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