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4.2 Choosing a Location
4.2.1 Allowable Clearances
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24" to service access panels
60" vertical for fan discharge
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and are permitted:
Single-Unit Applications:
Minimum of 6" to side
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for fan discharge or the 24" [61.0 cm] service
clearances.
Multiple-Unit Applications:
For units positioned
next to each other, a minimum of 6" [15.2 cm]
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and 2 ton models and 9" [22.9 cm] for 2.5 ton to
5 ton models. Do not reduce the 60" [152.4 cm]
for fan discharge or the 24" [61.0 cm] service
clearances.
IMPORTANT:
Consult local and
national building codes and ordinances for special
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servicing of the outdoor heat pump.
NOTICE:
These units must be installed
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modifications made, to the discharge grille.
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4.2.2 Operational Issues
Related to Unit Location
IMPORTANT:
Locate the unit in a
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the performance of other equipment installed
in proximity to the unit. Maintain all required
minimum distances to gas and electric meters,
dryer vents, and exhaust and inlet openings. In
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recommendations, local code recommendations
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capacity losses and increased operating costs.
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• Water pouring into the unit from the junction
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in operation can impact fan blade or motor life,
and coil damage may occur to a heat pump if
moisture cannot drain from the unit under freezing
conditions.
• Freezing moisture or sleeting conditions can
cause the cabinet to ice-over prematurely and
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EcoNet™ Control Center or thermostat to the
"Emergency Heat" mode during freezing rain
or sleeting conditions to prevent damage to the
outdoor coil from ice accumulating on the fan
blade.
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Section 4.2.1.
• 24" [61.0 cm] to the service panel access
• 60" [152.4 cm] above heat pump fan discharge
(unit top) to prevent recirculation
• 6" [15.2 cm] to heat pump coil grille air inlets
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SERVICE PANELS/
INLET CONNECTIONS
/ HIGH & LOW
VOLTAGE ACCESS
ALLOW 24” [610 mm] OF
CLEARANCE
ALLOW 60” [1524 mm]
OF CLEARANCE
AIR INLET LOUVERS ALLOW
6” [152 mm] Min. OF
CLEARANCE ALL SIDES
12” [305 mm] RECOMMENDED
ST-A1226-04-00
6" MIN. (152 mm) FOR 1.5 & 2 TON
9" MIN. (229 mm) FOR 2.5-5 TON
24" MIN. (610 mm)
4.0 INSTALLATION
Location