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506694-01

Issue 1720

Page 5 of 16

New Outdoor Unit Placement

Remove existing outdoor unit prior to placement of new outdoor unit. See Unit Dimensions on Page 2 for sizing mounting 

slab, platforms or supports. Refer to Figure 4 for mandatory installation clearance requirements.

6 (152)

36 (914)

12 (305)

30 (762)

LINE SET

CONNECTIONS

24 (610)

48 (1219)

MINIMUM CLEARANCE BETWEEN

TWO UNITS

CLEARANCE ON ALL SIDES — INCHES (MILLIMETERS)

ACCESS PANEL

MINIMUM CLEARANCE

ABOVE UNIT

NOTES:

Clearance to one of the other three

sides must be 36 inches (914mm).
Clearance to one of the remaining

two  sides  may  be  12  inches

(305mm) and the final side may be

6 inches (152mm).

Figure 4. Installation Clearances

Install unit level or, if on a slope, maintain slope tolerance of 2 degrees

(or 2 inches per 5 feet [50 mm per 1.5 m]) away from building

structure.

DETAIL A

DETAIL B

DISCHARGE AIR

MOUNTING SLAB MUST SLOPE

AWAY FROM BUILDING.

GROUND LEVEL

STRUCTURE

Install unit away

from windows .

Two 90° elbows 

installed in line set will

reduce line set vibration.

Figure 5. Placement and Slab Mounting

Summary of Contents for 13ACD-018-230

Page 1: ...rged with dry nitrogen The unit is intended for installation in existing HCFC 22 systems Carefully follow all installation procedures Open both service valves to evacuate system This unit is construct...

Page 2: ...ce included with outdoor unit or thermal expansion valve TXV See the 13ACD product specification sheet for approved fixed orifice sizes and expansion valve kit match ups Important The air conditioning...

Page 3: ...K SEATED OPENED BALL SHOWN CLOSED SERVICE PORT CORE TO INDOOR UNIT TO OUTDOOR UNIT TO OPEN ROTATE STEM COUNTERCLOCKWISE 90 TO CLOSE ROTATE STEM CLOCKWISE 90 SERVICE PORT SERVICE PORT CAP STEM CAP VALV...

Page 4: ...rnal pressure relief valve Compressor has internal vacuum protection that is designed to unload the scrolls compressor stops pumping when the pressure ratio meets a certain value or when the suction p...

Page 5: ...ANEL MINIMUM CLEARANCE ABOVE UNIT NOTES Clearance to one of the other three sides must be 36 inches 914mm Clearance to one of the remaining two sides may be 12 inches 305mm and the final side may be 6...

Page 6: ...ides information on replacement of existing line set If replacement line set is not required then proceed to Brazing Connections on Page 7 Refrigerant Line Set Field refrigerant piping consists of liq...

Page 7: ...ay result in ignition of the refrigerant and oil mixture Check the high and low pressures before applying heat WARNING Allow braze joint to cool before removing the wet rag from the service valve Temp...

Page 8: ...OM SERVICE VALVE Flow regulated nitrogen at 1 to 2 psig through the low side refrigeration gauge set into the liquid line service port valve and out of the suction vapor line service port valve CUT AN...

Page 9: ...RVICE VALVE PREPARATION FOR NEXT STEP 7 WARNING 1 FIRE PERSONAL INJURY OR PROPERTY DAMAGE will result if you do not wrap a wet cloth around both liquid and suction line service valve bodies and copper...

Page 10: ...H Use a field provided fitting to temporary reconnect the liquid line to the indoor unit s liquid line orifice housing LOW HIGH EXISTING INDOOR UNIT GAUGE MANIFOLD INVERTED CYLINDER CONTAINS CLEAN LI...

Page 11: ...d end of the expansion valve and lightly lubricate the connector threads and expose surface of the Teflon ring with refrigerant oil C Attach the stubbed end of the expansion valve to the liquid line o...

Page 12: ...unit A trace amountis a maximum of two ounces 57 g refrigerant or three pounds 31 kPa pressure Close the valve on the HCFC 22 cylinder and the valve on the high pressure side of the manifold gauge set...

Page 13: ...nnect the manifold gauge to the vacuum pump turn the pump on and continue to evacuate the line set and indoor unit until the absolute pressure does not rise above 500 microns 29 9 inches of mercury wi...

Page 14: ...HERMOSTAT 5 FEET 1 5M CHECK EXISTING ROOM THERMOSTAT Any excess high voltage field wiring should be trimmed and secured away from any low voltage field wiring To facilitate a conduit a cutout is locat...

Page 15: ...system using evacuating procedure provided in this instruction 3 Use nitrogen to break the vacuum and install a new filter drier in the system 4 Evacuate the system again using evacuating procedure p...

Page 16: ...per tension 5 Check all wiring for loose connections 6 Check for correct voltage at unit blower operating 7 Check amp draw on blower motor Motor Nameplate _________ Actual __________ Indoor Coil 1 Cle...

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