Power supply and wiring.
Provide gutters or other shielding at
roof level.
Loc
a
te unit on a
level concrete slab
or prefabricate pad
. To prevent transmission of noise or vibration,
slab should not be connected
to building structure. Some sort of sound-absorbing material
such as
rubber and cork pad should be placed between the condenser
and the slab.
For rooftop application, make sure the building construction can support the weight and that proper
consideration is given to the weather-tight integrity of the roof. The condensing unit contains moving
! WARNING
-
Install the unit securely in a place that can bear the weight of the unit. When installed in
an insufficiently strong place, the unit could fall causing injury.
8.4
UNIT CLEARANCES
minimum of 36"
clearance and provision made to deflect the warm discharge air out from the overhang.
Consideration be given so that operating sounds will not disturb owner or neighbors.
Location with no risk of combustible gas leakage.
Location where natural water drainage does not collect around the unit.
Location where roof runoff does not pour directly on the unit.
Avdid locating the unit in an area where excessive snow can accomulate or drifting occur.
parts and can vibrate, so, sound transmission is also a consideration in rooftop applications.
from the service access area. A typical application will find the unit located about 10" from wall with
discharges upward from the top of the unit. Refrigerant line and electrical connections are made
connection side facing this wall. This application minimizes exposed tubing and wiring and minimizes
the traffic around the unit reducing subsequent damage to the installation.
The minimum clearances for the unit are shown in
Fig. 8--1
. Condenser air enters from all (4) sides. Air
Fig. 8--1
For service access to the compressor and control box, allow 18" minimum clearance. Ensure top
In order to maintain design air flow, owners should be advised to avoid lawn clippings from depositing
When necessary for confined applications, provide a minimum of 10" clearance on all air inlet sides.
discharged free from unobstructions. If units must be located under an overhang, there should be a
on the fin coil surface and reducing the system performance.
16
Central Air Conditi
oning
Model: Heat Pump,
HR13-D2
