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INSTALLATION RECOMMENDATIONS
NOTE: I n s ome cases noise in the living area has been traced to
gas pulsations from improper installation of equipment.
1. Locate unit away from windows, patios, decks, etc. where
unit operation sound may disturb customer.
2. Ensure that vapor and liquid tube diameters are appropriate
for unit capacity.
3. Run refrigerant tubes as directly as possible by avoiding un-
necessary turns and bends.
4. Leave some slack between structure and unit to absorb vi-
bration.
5. When passing refrigerant tubes through the wall, seal open-
ing with R TV or other pliable silicon--based caulk. (See Fig.
1.)
6. Avoid direct tubing contact with water pipes, duct work,
floor joists, wall studs, floors, and walls.
7. Do not suspend refrigerant tubing from joists and studs with
a rigid wire or strap which comes in direct contact with
tubing (See Fig. 1.)
8. Ensure that tubing insulation is pliable and completely sur-
rounds vapor tube.
9. When necessary, use hanger straps which are 1 in. wide and
conform to shape of tubing insulation. (See Fig. 1.)
10. Isolate hanger straps from insulation by using metal sleeves
bent to conform to shape of insulation.
When outdoor unit is connected to factory --approved indoor unit,
outdoor unit contains system refrigerant charge for operation with
ARI rated indoor unit when connected by 15 ft (4.57 m) of
field--supplied or factory accessory tubing. 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.
IMPORTANT: Maximum liquid--line size is 3/8--in. OD for all
residential applications including long line applications.
IMPORTANT: Always install the factory--supplied liquid--line
filter drier. If replacing the filter drier, refer to Product Data Digest
for appropriate part number . Obtain replacement filter driers from
your distributor or branch.
INSTALLATION
INSULATION
VAPOR TUBE
LIQUID TUBE
OUTDOOR WALL
INDOOR WALL
LIQUID TUBE
VAPOR TUBE
INSULATION
CAULK
Avoid contact between tubing and structureNOTE:
THROUGH THE WALL
HANGER STRAP
(AROUND VAPOR
TUBE ONL Y)
JOIST
1” (25.4 mm) MIN.
SUSPENSION
A94026
Fig. 1 -- Connecting Tube Installation
Specifications for this unit in residential new construction market
require the outdoor unit, indoor unit, refrigerant tubing sets,
metering device, and filter drier listed i n presale literature. There
can be no deviation. Consult the Application Guideline and
Service Manual – Air Conditioners and Heat Pumps Using Puron
Refrigerant to obtain required unit changes for specific applications
andforR--22retrofit.
Check Equipment and Job Site
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 on unit corner
panel. It contains information needed to properly install unit.
Check rating plate to be sure unit matches job specifications.
Install on a Solid, Level Mounting Pad
If conditions or local codes require the unit be attached to pad, tie
down bolts should be used and fastened through knockouts
provided in unit base pan. Refer to unit mounting pattern in Fig. 2
to determine base pan size and knockout hole location.
For hurricane tie downs, contact distributor for details and PE
Certified (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
Consult local codes governing rooftop applications.
Roof mounted units exposed to winds above 5 mph may require
wind baffles. Consult the Application Guideline and Service
Manual -- Residential Split System Air Conditioners and Heat
Pumps Using Puron Refrigerant for wind baffle construction.
UNIT BASE PAN
DIMENSIONS
in. (mm)
TIEDOWN KNOCKOUT LOCATIONS
in. (mm)
A B C
36---1/2 x 40
(927.1x1016)
11---5/8
(295.3)
6---13/16
(173.0)
28---3/4
(730.3)
A05177
Fig. 2 -- Clearance Requirements
NOTE: Unit must be level to within ±2_, ±3/8 in./ft. (9.53
mm/m) per compressor manufacturer specifications.
Clearance Requirements
When installing, allow sufficient space for a irflow clearance,
wiring, refrigerant piping, and service. Allow 24 in. (610 mm)
clearance to service end of unit and 48 in. (1219.2 mm) above unit.
For proper airflow, a 6 in. (152.4 mm) clearance on 1 side of unit
and 12 in. (304.8 mm) on all remaining sides must be maintained.
Maintain a distance of 24 in. (609.6 mm) between units. Position
so water, snow, or ice from roof or eaves cannot fall directly on
unit.
24ANA