Unitary Ducted Split AC
13
refrigerant charge good for 25 ft.
For proper unit operation, check refrigerant charge using charging information located on
control box cover and/or in the Check Charge section of this instruction.
NOTE: Avoid contact between tubing and structure
OUTDOOR WALL
CAULK
INDOOR WALL
LIQUID TUBE
INSULATION
VAPOR TUBE
JOIST
HANGER STRAP
(AROUND VAPOR
TUBE ONLY)
THROUGH THE WALL
INSULATION
VAPOR TUBE
LIQUID TUBE
SUSPENSION
1”MIN.
Fig.22 Connecting Tubing Installation
5.3 Installation
5.3.1 Check Equipment & Jobsite
Unpack Unit
Move to final location. Remove carton taking care not to damage unit.
Inspect Equipment
File claim with shipping company prior to installation if shipment is damaged or incomplete.
Locate unit rating plate. It contains information needed to properly install unit. Check rating plate to
be sure unit matches job specifications.
5.3.2 Install on a Solid, Level Mounting Pad
For hurricane tie downs, contact distributor for details and PE Certification (Professional
Engineer), if required. On rooftop applications, mount on level platform or frame. Place unit above
a load--bearing wall and isolate unit and tubing set from structure. Arrange supporting members
to adequately support unit and minimize transmission of vibration to building. Consult local codes
governing rooftop applications.
NOTE:
Unit must be level to within ±2° (±3/8 in./ft.) per compressor manufacturer specifications.
5.3.3 Clearance Requirements
When installing, allow sufficient space for airflow clearance, wiring, refrigerant piping, and
service. Allow 30 inch clearance to service end of unit and 48 inch above unit. For proper airflow, a
6 inch clearance on 1 side of unit and 12 inch on all remaining sides must be maintained. Maintain
a distance of 24 inch between units. Position so water, snow, or ice from roof or eaves cannot fall
directly on unit. On rooftop applications, locate unit at least 6 inch above roof surface.
5.3.4 Operating Ambient
The minimum outdoor operating ambient in cooling mode is 67°F, and the maximum outdoor
operating ambient in cooling mode is 115°F.
