Lennox 13ACX Installation And Service Procedure Download Page 3

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Page 3

13ACX SERIES

Model Number

Unit

Outdoor Fan

Sound Rating Number

(dB)

Factory Refrigerant

Charge

Number of Blades

Diameter - inches.

13ACX-030-230-01

6 lbs. 3 oz.

13ACX-030-230-02

4 lbs. 4 oz.

13ACX-030-230-03

5 lbs. 13 oz.

13ACX-030-230-10 through -13, -15

4 lbs. 4 oz.

13ACX-030-230-17, -18, -19

5 lbs. 2 oz.

Tested according to AHRI Standard 270-2008 test conditions.

Refrigerant charge sufficient for 15 feet length of refrigerant lines.

Model Number

Unit

Outdoor Fan

Sound Rating Number

(dB)

Factory Refrigerant

Charge

Number of Blades

Diameter - inches.

13ACX-036-230-01

6 lbs. 7 oz.

13ACX-036-230-02 through -16

5 lbs. 9 oz.

13ACX-036-230-17, -18

5 lbs. 4 oz.

Tested according to AHRI Standard 270-2008 test conditions.

Refrigerant charge sufficient for 15 feet length of refrigerant lines.

Model Number

Unit

Outdoor Fan

Sound Rating Number

(dB)

Factory Refrigerant

Charge

Number of Blades

Diameter - inches.

13ACX-042-230-01

8 lbs. 3 oz.

13ACX-042-230-03

7 lbs. 6 oz.

13ACX-042-230-10 through -16

6 lbs. 6 oz.

13ACX-042-230-17, -18

6 lbs. 8 oz.

Tested according to AHRI Standard 270-2008 test conditions.

Refrigerant charge sufficient for 15 feet length of refrigerant lines.

Model Number

Unit

Outdoor Fan

Sound Rating Number

(dB)

Factory Refrigerant

Charge

Number of Blades

Diameter - inches.

13ACX-048-230-01

8 lbs. 4 oz.

13ACX-048-230-03

8 lbs. 12 oz.

13ACX-048-230-10 through -16

7 lbs. 8 oz.

13ACX-048-230-17, -18, -19

7 lbs. 12 oz.

Tested according to AHRI Standard 270-2008 test conditions.

Refrigerant charge sufficient for 15 feet length of refrigerant lines.

Model Number

Unit

Outdoor Fan

Sound Rating Number

(dB)

Factory Refrigerant

Charge

Number of Blades

Diameter - inches.

13ACX-060-230-01

11 lbs. 2 oz.

13ACX-060-230-02

10 lbs. 0 oz.

13ACX-060-230-05

11 lbs. 6 oz.

13ACX-060-230-10 through -16

10 lbs. 0 oz.

13ACX-060-230-17, -18

9 lbs. 0 oz.

Tested according to AHRI Standard 270-2008 test conditions.

Refrigerant charge sufficient for 15 feet length of refrigerant lines.

Summary of Contents for 13ACX

Page 1: ...nit Dimensions 8 Typical Unit Parts Arrangement 9 Operating Gauge Set and Service Valves 9 Unit Placement 11 Removing and Installing Louvers 12 New or Replacement Line Set 13 Brazing Connections 15 Fl...

Page 2: ...4 lbs 7 oz 3 18 13ACX 018 230 02 76 3 lbs 13 oz 3 18 13ACX 018 230 03 76 5 lbs 7 oz 3 18 13ACX 018 230 10 through 15 76 3 lbs 13 oz 3 18 13ACX 018 230 17 18 76 3 lbs 15 oz 3 18 1 Tested according to...

Page 3: ...hes 13ACX 042 230 01 79 8 lbs 3 oz 4 22 13ACX 042 230 03 79 7 lbs 6 oz 4 22 13ACX 042 230 10 through 16 79 6 lbs 6 oz 4 22 13ACX 042 230 17 18 79 6 lbs 8 oz 4 22 1 Tested according to AHRI Standard 27...

Page 4: ...manual to determine wire fuse and disconnect size requirements 208 230V 60 Hz 1 Ph Model Number Label Rev Unit Compressor Condenser Fan Maximum Over current Protection amps 1 Minimum Circuity Ampacity...

Page 5: ...o National or Canadian Electrical Code manual to determine wire fuse and disconnect size requirements 208 230V 60 Hz 1 Ph Model Number Label Rev Unit Compressor Condenser Fan Maximum Over current Prot...

Page 6: ...breaker or fuse 2 Refer to National or Canadian Electrical Code manual to determine wire fuse and disconnect size requirements 208 230V 60 Hz 1 Ph Model Number Label Rev Unit Compressor Condenser Fan...

Page 7: ...5 26 2 134 0 1 4 825 1 7 3 1 2 0 50 33 0 25 1 120 0 1 4 825 1 7 3 1 3 0 60 34 6 26 3 120 0 1 4 825 1 7 3 1 13ACX 060 230 12 1 0 60 34 6 26 3 134 0 1 4 825 1 7 3 1 13ACX 060 230 13 1 0 50 33 1 25 1 120...

Page 8: ...4 718 37 1 4 946 13ACX 060 230 03 through 16 28 1 4 718 33 1 4 845 13ACX 060 230 17 28 1 4 718 29 1 4 743 WARNING This product and or the indoor unit it is matched with may contain fiberglass wool Dis...

Page 9: ...ess See the Lennox Service and Application Notes C 08 1 for further details and information TORQUE REQUIREMENTS When servicing or repairing heating ventilating and air conditioning components ensure t...

Page 10: ...ing Ball Type Service Valve 1 Remove stem cap with an appropriately sized wrench 2 Use an appropriately sized wrenched to open To open valve roate stem counterclockwise 90 To close rotate stem clockwi...

Page 11: ...ALLED IN LINE SET WILL REDUCE LINE SET VIBRATION GROUND LEVEL MOUNTING SLAB BUILDING STRUCTURE DISCHARGE AIR Figure 3 Placement and Slab Mounting Unit Placement See Unit Dimensions on page 8 for sizin...

Page 12: ...ING To prevent personal injury or damage to panels unit or structure be sure to observe the following While installing or servicing this unit carefully stow all removed panels out of the way so that t...

Page 13: ...nes will not create unnecessary vibration and subsequent sounds Also consider the following when placing and installing a high efficiency air conditioner Field refrigerant piping consists of liquid an...

Page 14: ...ER AT 8 FEET 2 43 METERS INTERVALS THEN STRAP THE LIQUID LINE TO THE VAPOR LINE FLOOR JOIST OR ROOF RAFTER REFRIGERANT LINE SET INSTALLING HORIZONTAL RUNS NOTE Similar installation practices should be...

Page 15: ...connections to service valves WARNING Danger of fire Bleeding the refrigerant charge from only the high side may result in pressurization of the low side shell and suction tubing Application of a bra...

Page 16: ...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 AND D...

Page 17: ...nstructions for the next step in preparing the unit WHEN BRAZING LINE SET TO SERVICE VALVES POINT FLAME AWAY FROM SERVICE VALVE PREPARATION FOR NEXT STEP 7 WARNING 1 FIRE PERSONAL INJURY OR PROPERTY D...

Page 18: ...expansion valve and the two Teflon rings 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 MANI...

Page 19: ...onnected the liquid line to the indoor unit s distributor assembly B Install one of the provided Teflon rings around the stubbed end of the expansion valve and lightly lubricate the connector threads...

Page 20: ...f HFC 410A refrigerant to the center port of the manifold gauge set Open the valve on the HFC 410A cylinder vapor only B Open the high pressure side of the manifold to allow HFC 410A into the line set...

Page 21: ...and indoor unit until the absolute pressure does not rise above 500 microns 29 9 inches of mercury within a 20 minute period after shutting off the vacuum pump and closing the manifold gauge valves F...

Page 22: ...local codes and the current Canadian Electrical Code CEC Refer to the furnace or air handler installation instructions for additional wiring application diagrams and refer to unit nameplate for minim...

Page 23: ...IGH VOLTAGE FLEXIBLE CONDUIT A B System Operation IMPORTANT Some scroll compressor have internal vacuum protector that will unload scrolls when suction pressure goes below 20 psig A hissing sound will...

Page 24: ...be flushed with a water hose Ensure power is off before cleaning NOTE It may be necessary to flush the outdoor coil more frequently if it is exposed to substances which are corrosive or which block ai...

Page 25: ...Maximum Fuse or Circuit Breaker Electrical Connections Tight Indoor Filter clean Supply Voltage Unit Off Indoor Blower RPM S P Drop Over Indoor Dry Outdoor Coil Entering Air Temp Discharge Pressure Su...

Page 26: ...C timed off control if used which energizes contactor K1 provided S4 high pressure switch is closed 3 K1 1 N O closes energizing compressor B1 and outdoor fan motor B4 4 Compressor B1 and outdoor fan...

Page 27: ...Page 27 13ACX SERIES Figure 15 Use for 13ACX XXX 230 11 or later...

Page 28: ...ameplate If not do not start the equipment until you have consulted with the power company and the voltage condition has been corrected 6 Set the thermostat for a cooling demand Turn on power to the i...

Page 29: ...70 Temperature of air entering indoor coil F INDOOR COIL DRY BULB DRY BULB WET BULB B TDrop 19 A Dry bulb Wet bulb F A 72 B 64 C 53 air flow air flow All temperatures are expressed in F 1 Determine t...

Page 30: ...et g per 1 5 m adjust from 15 feet 4 6 m line set 3 8 9 5 mm 3 ounce per 5 85 g per 1 5 m Refrigerant Charge per Line Set Length NOTE The above nameplate is for illustration purposes only Go to actual...

Page 31: ...THOD Weigh in or remove refrigerant based upon line length BLOCK OUTDOOR COIL sometimes necessary with lower temperatures Use cardboard or plastic sheet to restrict the airflow through the outdoor coi...

Page 32: ...determine superheat SH VAP _____ SAT ______ SH ______ 11 Record the wet bulb temperature air entering indoor coil WB _______ 12 Record outdoor ambient temperature 13 Compare results with table to the...

Page 33: ...above are located at the end of this manual 13ACX 018 230 XX 01 02 10 11 12 13 14 15 17 18 13ACX 024 230 XX 01 02 10 11 12 13 15 17 18 19 20 13ACX 030 230 XX 01 02 10 11 12 13 15 17 18 19 13ACX 036 2...

Page 34: ...24 27 31 95 6 10 14 18 22 25 29 100 8 12 16 21 24 28 105 5 9 13 17 22 26 110 6 11 15 20 25 115 8 14 18 24 F 50 52 54 56 58 60 62 64 66 68 70 72 74 76 Wet bulb temperature of air entering indoor coil...

Page 35: ...95 6 10 14 18 22 25 29 100 8 12 16 21 24 28 105 5 9 13 17 22 26 110 6 11 15 20 25 115 8 14 18 24 F 50 52 54 56 58 60 62 64 66 68 70 72 74 76 Wet bulb temperature of air entering indoor coil Model 18 2...

Page 36: ...95 6 10 14 18 22 25 29 100 8 12 16 21 24 28 105 5 9 13 17 22 26 110 6 11 15 20 25 115 8 14 18 24 F 50 52 54 56 58 60 62 64 66 68 70 72 74 76 Wet bulb temperature of air entering indoor coil Size 18 24...

Page 37: ...21 246 126 245 123 261 134 246 126 247 125 248 124 70 21 250 124 265 129 265 126 281 136 263 128 266 128 266 126 75 24 270 128 286 132 286 129 301 138 284 131 286 131 288 130 80 27 291 131 307 135 308...

Page 38: ...23 Equalizer Line Page 19 Evacuating Line Set and Indoor Coil Page 21 Expansion Valve Indoor Page 19 F Filter Drier Page 15 Flushing Line Set and Indoor Coil Page 18 G Gauge Port Seal Cap Page 9 Gauge...

Page 39: ...ethod Page 31 Determing Charge Method Page 30 Subcooling TXV Charge Method Page 31 Superheat RFC Method Page 32 Weigh In Method Page 30 RFCI Page 13 Roof Mounting Page 12 S Sensing Blub Page 19 Sequen...

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