LENNOX Air Conditioner/heat Pump(outside Unit) Manual L0805508
User Manual: LENNOX LENNOX Air conditioner/heat pump(outside unit) Manual LENNOX Air conditioner/heat pump(outside unit) Owner's Manual, LENNOX Air conditioner/heat pump(outside unit) installation guides
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COOLING UNITS KITS AND ACCESSORIES _2006 Lennox Industries Inc. Dallas, Texas, USA )puTech n [cal bHcations Litho U.S.A. CONDENSER COIL REPLACEMENT KIT 505,054M 11/06 Supersedes 02/06 INSTALLATION INSTRUCTIONS FOR REPLACING CONDENSER IN XC21, XC14, XC13, & AC13 SERIES UNITS COIL A, IMPORTANT Shipping and Packing List ...................... Requirements ................................. Installing Coils: Coil XC21-024 through -048 XC14-018, -024 XC13-018 through -048 AC13-018 through -042 XC21-060 XC14-030 through -060 XC 13-060 1 1 Page 2 3 AC13-048 and -060 Package 1 of 1 contains: • Condenser coil (qty 1) • Bag assembly (qty 1) including: 1 - Discharge line with elbow 1 - 1/2" Coupling 1 - Kit Installation Instructions (this manual) Check the replacement coil for shipping damage. If you find any damage, immediately contact the last carrier. Verify that the coil has holding charge. Remove the cap from the discharge stub and press the valve core. The coil should have approximately 10 psi dry air holding charge. If there is no charge, repressurize the coil and check for leaks. Verify that the liquid and discharge manifold is straight and that the tubing is not displaced. Be extremely careful with the stub for the common liquid line. Do not twist or bend it. Refer to figure 1 for proper plumbing alignment. 11/06 IIIIIII]IIIIIIIIIHIIIHIHIHIIIIIIll Page 1 Bleed off holding charge, Remove shipping braces. Figure XC21-060 XC14-030 through -060 XC13-060 AC13-048 Model 1. Replacement Condenser Coil 505,054M IIIIIIIIIIIIIIIHIIIIII]IIIIII approximately one inch from the manifold, (This will also remove the pressure tap.) See figure 3. Installing Coils: XC21-024 thru -048, XC14-018 thru -060, XC13-018 thru -048, AC13-018 thru -042 PRESSURE TAP (VALVE CORE) 1, Disconnect all power to the unit. 2. Reclaim the refrigerant from the unit, 3. Remove access panel, side (Iouvered) panels, top panel, and corner posts. Remove the screws that attach the coil endplate to the control box and compressor enclosure, Keep the screws, Figure 3. Replacement Line 9. Align the discharge stub on the replacement coil with the discharge line from the compressor, Install the provided coupling between the two tubes. Sweat the coupling into place. See figure 4. 4. Unscrew the liquid service and suction valve brackets from the coil, Sweat off the liquid line at the swaged joint next to the coil outlet, 5. Use a tubing cutter to cut the discharge line approximately one inch from the manifold on the end of the discharge line. See figure 2. DISCHARGE XC21 Coil Discharge f_-il I I [/ COUPLING I M[_ANIFOLD MANIFOLD Cut Here LINE ._..._U__ Figure 4. Replacement Discharge Coupling Line and 10. Sweat in the liquid line, Reattach the liquid and suction service valves, 11. Replace the screws that attach the coil endplate to the control box and compressor enclosure. 12. Replace the corner posts, side (Iouvered) panels, and top panel, 13. Refer to the unit installation instructions for leak testing, evacuation, and start-up procedures. Charge the unit as outlined in the installation instructions or according to the charging sticker, 14. Once you have installed the replacement coil, start the compressor and observe the discharge line, Verify that there is minimal vibration between the shock loop and the manifold on the outdoor coil's discharge line. 15. If there is visible motion, apply weight kit number 38K46 to the discharge line. Install the weight kit on the horizontal run after the shock loop, or other suitable area to achieve acceptable results. Rotate the weight kit on the tubing to change vibration characteristics, I Figure 2. Existing Discharge Line 6. Remove the existing coil, 7, Install the replacement coil assembly. 8. Remove the holding charge by depressing the valve core. Use a tubing cutter to cut off the discharge stub NOTE - Visible motion could result in a future failure of the replacement coil, 16. Replace access panel. Page 2 Installing Coils: XC21-060, XC14-030 thru -060, XC13-060, AC13-048 & -060 1, Disconnect all power to the unit. 2. Reclaim the refrigerant from the unit, 3, Remove access panel, side (Iouvered) panels, top panel, and corner posts. Remove the screws that attach the coil endplate to the control box and compressor enclosure, Keep the screws, 4, Unscrew the liquid service and suction valve brackets from the coil, Sweat off the liquid line at the swaged joint to the coil outlet. 5, Perform the appropriate model-dependent step: XC21-060 - Use a tubing cutter to cut the discharge line approximately two inches from the barrel manifold on the end of the discharge line, See figure 5, XC14-030 thru -060, XC13-060, AC13-048, AC13-060--Use a tubing cutter to cut the discharge line approximately two inches from the bend nearest the compressor, See figure 6 (XC14) or 7 (XC13), BARREL MANIFOLD DISCHARGE Figure 5. Existing Discharge LINE Line - XC21-060 6, Remove the existing coil and discharge line, 7, Install the replacement coil assembly. 8, Perform the appropriate model-dependent step: XC21-060 - Remove holding charge by depressing the valve core, Use a tubing cutter to cut off the discharge stub approximately 2 inches from the barrel manifold, This will also remove the pressure tap (see figure 8), NOTE- Measure replacement coil discharge line. Cut existing discharge line on unit to allow proper fit up to new replacement coil. BARREL MANIFOLD BARREL MANIFOLD DISCHARGE IT_J j[_,, LINE _ H 2 e___ut Figure DISCHARGE LINE Figure 6. Existing xc14-o3o Discharge thru -060 Line 8. Replacement Coil XC21-060 Here Discharge Line - XC-14-030 thru -060, XC13-060, AC13-048 & -060 Remove holding charge by depressing the valve core. Use a tubing cutter to cut off discharge stub approximately 2 inches from the bend closest to the stub end (see figure 9), - DISCHARGE LINE_ I 2" BARREL MANIFOLD II "_.,_._C Here ut I BARREL MANIFOLD Figure 9. Replacement Coil Discharge Line XC14-030 thru -060, XC13-060, AC13-048 & -060 9, Align discharge stub on replacement coil with discharge line from compressor. Install provided coupling between the two tubes, Sweat coupling into place, 10. Sweat in the liquid line, Reattach the liquid and suction service valves. DISCHARGE LINE Figure 7. Existing Discharge Line XC13-060, AC13-048 & -060 11, Replace the screws that attach the coil endplate to the control box and compressor enclosure. 12, Replace corner posts, side (Iouvered) panels, and top panel. Page 3 13, Refertotheunitinstallation instructions forleaktesting,evacuation, andstart-upprocedures. Chargethe unitas outlinedin the installation instructions or accordingtothechargingsticker, 14, Onceyouhaveinstalled thereplacement coil,startthe compressor andobservethedischarge line.Verifythat thereis minimalvibrationbetweentheshockloopand themanifoldontheoutdoorcoil'sdischarge line, 15, If thereis visiblemotion,applyweightkit number 38K46tothedischarge line.Installtheweightkitonthe horizontalrunaftertheshockloop,or othersuitable areatoachieveacceptable results.Rotatetheweight kitonthetubingtochangevibrationcharacteristics, NOTE - Visible motion could result in a future failure of the replacement coil. 16, Replace access panel, Page 4
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