FIGURE 9 - UNIT DIMENSIONS DHG UNIT
TABLE 20: CLEARANCES
FRONT |
| DHE UNITS | 24” |
| DHG UNITS | 32” | |
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| 12” (Less Economizer) |
BACK |
| 36” (With Economizer or | |
| Fixed Air/Motorized | ||
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| Damper) |
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LEFT SIDE (Filter Access) |
| 24” (Less Economizer) | |
| 36” (With Economizer) | ||
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RIGHT SIDE (Cond. Coil) |
| 24” | |
BELOW UNIT1 |
| 0” | |
ABOVE UNIT2 |
| 72” (For Condenser Air | |
| Discharge) | ||
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1.Units may be installed on combustible floors made from wood or class A, B, or C roof covering material.
2.Units must be installed outdoors. Overhanging struc- tures or shrubs should not obstruct condenser air dis- charge outlet.
RETURNAIR
SUPPLYAIR
OUTDOORAIR
OUTDOORAIR (Economizer)
All dimensions are in inches. They are subject to change without notice. Certi- fied dimensions will be provided upon request.
NOTE: DHG modes must be provided a 1” clearance between any combustible material and the supply air ductwork for a distance of 2 feet from the unit.
The products of combustion must not be allowed to accumu- late with a confined space and recirculate. Locate unit so that the vent air outlet hood is at least.
•Three feet above any forced air inlet located within 10 horizontal feet (excluding those integral to the unit).
•Four feet below, 4 horizontal feet from, or 1 foot above any door or gravity air inlet into the building.
•Four feet from electric meters, gas meters, regulators and relief equipment.
Unitary Products Group | 19 |