Instruction/ maintenance manual of the product 506945-01 Lennox International Inc.
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7/2012 506945-01 *2P72012* *P506945-01* Page 1 E 2013 Lennox Industries Inc. Dallas, T exas, USA THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE W ARNING The State of California has determined that this product may contain or produce a chemical or chemicals, in very low doses, which may cause serious illness or death.
Page 2 A B SIDE VIEW UNIT DIMENSIONS - INCHES (MM) FIGURE 2 T ABLE 1 UNIT DIMENSIONS Model Numbers A B 13ACX-018-230 24-1/4 (616) 25-1/4 (641) 13ACX-024-230 24-1/4 (616) 25-1/4 (641) 13ACX-030-230 24-.
Page 3 13ACX SERIES ANCHORED HEA VY NYLON WIRE TIE OR AUT OMOTIVE MUFFLER‐TYPE HANGER STRAP LIQUID LINE TO V APOR LINE W ALL STUD LIQUID LINE NON-CORROSIVE MET AL SLEEVE V APOR LINE - WRAPPED IN ARM.
Page 4 STEP 2 -- REFRIGERANT PIPING -- Flushing Existing Line Set and Indoor Coil Flush the existing line set per the following instructions. For more information, refer to the Installation and Service Procedures manual available on DaveNet.
Page 5 13ACX SERIES STEP 2 -- REFRIGERANT PIPING -- Removing Existing Indoor Metering Device SENSING LINE TEFLON ® RING FIXED ORIFICE BRASS NUT LIQUID LINE ASSEMBL Y (INCLUDES STRAINER) LIQUID LINE O.
Page 6 STEP 2 -- REFRIGERANT PIPING -- Brazing Procedures A TT ACH THE MANIFOLD GAUGE SET FOR BRAZING LIQUID AND SUCTION / V APOR LINE SERVICE V AL VES OUTDOOR UNIT LIQUID LINE V APOR LINE LIQUID LINE.
Page 7 13ACX SERIES WHEN BRAZING LINE SET TO SER VICE V AL VES, POINT FLAME A WA Y FROM SER VICE V AL V E. LIQUID LINE SERVICE V AL VE LIQUID LINE BRAZE LINE SET Wra p both service valves with water -saturated cloths as illustrated here and as mentioned in step 4, before brazing to line set.
Page 8 STEP 2 -- REFRIGERANT PIPING -- Installing Indoor Expansion V alve This outdoor unit is designed for use in systems that use either an fixed orifice (RFC) (included with outdoor unit), or expansion valve metering device (purchased separately) at the indoor coil.
Page 9 13ACX SERIES STEP 3 -- LEAK TEST AND EV ACUA TION A With both manifold valves closed, connect the cylinder of 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 and indoor unit.
Page 10 STEP 3 -- LEAK TEST AND EV ACUA TION (CONTINUED) A Open both manifold valves and start the vacuum pum p. B Evacuate the line set and indoor unit to an absolute pressure of 23,000 microns (29.01 inches of mercury). NOTE — During the early stages of evacuation, it is desirable to close the manifold gauge valve at least once.
Page 1 1 13ACX SERIES STEP 4 -- ELECTRICAL -- Circuit Sizing and Wire Routing In t he U .S .A., w iring must conform with current local codes a nd the current National Electric Code (NEC). In Canada, wiring must conform with cur rent local codes and the current Canadian Elec trical Code (CEC ).
Page 12 STEP 4 -- ELECTRICAL (CONTINUED) -- High V oltage and Field Control Wiring The following illustration provide an example of control wiring connections when using standard thermostat. Any excess high voltage field wiring should be trimmed and secured away from any low voltage field wiring.
Page 13 13ACX SERIES T ABL E 3 . T O RQUE REQUIREM ENTS Parts Recommended Torque Service valve cap 8 ft.- lb. 1 1 NM Sheet metal screws 16 in.- lb. 2 NM Machine screws #10 28 in.- lb. 3 NM Compressor bolts 90 in.- lb. 10 NM Gauge port seal cap 8 ft.- lb.
Page 14 CHECKING AND ADDING SYSTEM REFRIGERANT The 13ACX unit is factory-charged with enough HFC-410A refrigerant to accommodate a 15-foot length of refrigerant piping. Charge should be checked and adjusted using the tables provided on the charging procedure sticker located o n th e unit access panel.
Page 15 13ACX SERIES 13ACX Start-Up and Performance Checklist Customer Address Indoor Unit Model Serial Outdoor Unit Model Serial Notes: ST ART UP CHECKS Refrigerant T ype: Rated Load Amps: Actual Amp.
An important point after buying a device Lennox International Inc. 506945-01 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lennox International Inc. 506945-01 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lennox International Inc. 506945-01 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lennox International Inc. 506945-01 you will learn all the available features of the product, as well as information on its operation. The information that you get Lennox International Inc. 506945-01 will certainly help you make a decision on the purchase.
If you already are a holder of Lennox International Inc. 506945-01, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lennox International Inc. 506945-01.
However, one of the most important roles played by the user manual is to help in solving problems with Lennox International Inc. 506945-01. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lennox International Inc. 506945-01 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
