UNIT20DIMENSIONS
WEIGHTS
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Accessory | Shipping | Operating | ||
| lbs [kg] | lbs [kg] | ||
Economizer with Single Enthalapy | 70 | [32] | 60 | [27] |
Power Exhaust | 19 | [9] | 16 | [7] |
Fresh Air Damper (Manual) | 11 | [5] | 9 | [4] |
Fresh Air Damper (Motorized) | 13 | [6] | 11 | [5] |
Roof Curb 14" | 92 | [42] | 88 | [40] |
Roof Curb 24" | 108 | [49] | 104 | [47] |
Concentric Diffuser 18" Flush | 37 | [17] | 26 | [12] |
Concentric Diffuser 20" Flush | 54 | [24] | 42 | [19] |
Side Discharge Concentric Diffuser | 35 | [16] | 20 | [9] |
Side Discharge Concentric Diffuser | 55 | [25] | 40 | [18] |
CLEARANCES
(3 to 5 Ton [10.6 to 17.6 kW] Models)
The following minimum clearances are recommended for proper unit performance and serviceability.
CENTER OF GRAVITY (C.G.)
Capacity Tons [kW] |
| A in. [mm] | B in. [mm] | ||
| 381/4 [972] | 253/4 [654] | |||
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Capacity Tons [kW] | Corner Weights by Percentage | ||||
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| A | B | C | D |
22% | 27% | 23% | 28% |
Recommended | Location | ||
Clearance in. [mm] | |||
| |||
48 | [1219] | A - Front | |
18 | [457] | B - Condenser Coil | |
12 | [305] | C - Duct Side | |
36 | [914] | D - Evaporator End | |
60 | [1524] | E - Above |
*Without Economizer. 57" [1448 mm] With Economizer
NOTE: Supply duct may be installed with “0” inch clearance to combustible materials, provided 1"
minimum Fiberglass insulation is applied either inside or on the outside of the duct.
Heat Controller, Inc.