LENNOX Air Handler (indoor Blower&evap) Manual L0805350

User Manual: LENNOX LENNOX Air Handler (indoor blower&evap) Manual LENNOX Air Handler (indoor blower&evap) Owner's Manual, LENNOX Air Handler (indoor blower&evap) installation guides

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,_:.2008 Lennox Industries Inc.Dallas, Texas, USAINSTALLATIONINSTRUCTIONSCB(X)26UH(-R) Series UnitsAIR HANDLERS505,059M (65937170)04108Supersedes 09/07_puTeCh icalnblicationsLitho U.S.A.TXV RFCRETAIN THESE INSTRUCTIONSFOR FUTURE REFERENCEX_ WARNINGCAUTION_, IMPORTANTAIMPORTANTShipping and Packing List ...................... 1Unit Dimensions .............................. 2CB(X)26UH Series Units ....................... 3Requirements ................................. 3Installation Clearances ......................... 4Installation .................................... 4Condensate Drain ............................. 7Duct System and Filters ........................ 8Connecting Refrigerant Lines ................... 9Sealing the Unit ............................... 9Electrical Connections ......................... 9Airflow -Cooling Blower Speed .................. 12Check-Out Procedures ......................... 15Operation .................................... 15Maintenance .................................. 16Accessories .................................. 16Cabinet Insulation ............................. 16RFC Charging Supplement ..................... 17Package 1 of 1 contains the following:1 - Assembled air handler unit for upflow or horizontal airdischarge application (includes upflow and horizontaldrain pans)NOTE -For downflow application, order kit 12W61(0658731-75).Check equipment for shipping damage. If found,immediately report damage to the last carrier. Check theunit rating plate to confirm that delivered unit matchesorder.04/08IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII Page 1 505,059M (65937170)IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
B _--t1"AIR FLOWSUCTION1_25) LINE VOLTAGE ,! _O!DG__dlIA_DIIE_Right' Left and Top_'_,_tOFILTER ACCESSOPTIONAL DUCTADAPTOR KIT(Kit allows direct connec-tion of the ductwork to thereturn air opening of the airhandier, not required if an3/4 external filter is used.)"_-- (19) _1-1/2(38)2-1/2 (Opening) 2-1/2 (Opening)(64) (64)FRONT VIEW SIDE VIEW1-1/2(38)CB(X)26UH Dimensions (for Upflow and LH/RH Horizontal Air Discharge Applications)-018, -024 -030, -036 -037", -042, -048* -060Dimension inches mm inches mm inches mm inches mmA 46-3/4 1187 51 1295 54 1372 60 1524B18-1/2 470 21-1/4 540 21-1/4 540 21-1/4 540C 22 559 22 559 26 660 26 660D 11 279 12-1/2 318 12 305 11-3/4 298E 16 406 18-1/2 470 16-3/4 425 17 432F 5-1/2 140 6 152 4 102 4 102G 13-1/2 343 16 406 16 406 16 406H 19 483 19 483 23 584 23 584Supply Air Depth 17 432 17 432 21 533 21 533Opening Width 16-1/2 419 19-1/4 489 19-1/4 489 19-1/4 489Return Air Depth 18-1/4 464 18-1/4 464 22-1/4 565 22-1/4 565Opening Width 13-1/2 343 16-1/4 413 16-1/4 413 16-1/4 413*-037 and -048 units not available in RFC model505059M 04/08Page 2
 I WARNINGAll CB(X)26UH air handlers are designed for indoorinstallation only. As shipped, the units are ready forinstallation in either upflow or horizontal left-hand airdischarge applications. All units may be installed withoptional field-installed electric heat and a matched remoteoutdoor unit.• CBX26UH air handlers may be installed with amatched HFC-410A remote outdoor unit. These unitsare completely assembled, including a factoryinstalled check/expansion valve.• CB26UH air handlers may be installed with a matchedHCFC-22 remote outdoor unit. These units arecompletely assembled, including a factory installedcheck/expansion valve.Table 1. Orifice (RFC) Part Number (Sizes - in.)Model018O24O3OO36O42037, 048O6OHCFC-22 NOTE 113ACD/AC1313HPD/HP13100484-08 (0.057)100484-11(0.061)100484-21 (0.072)100484-23 (0.074)100484-30 (0.082)HFC-410A NOTE 2XC13 /XP13Refer to orifice tablein outdoor unit instal-lation manual100484-44 (0.098)Note 1 - Orifice ships Note 2 - Orifice ships withwith Air Handler. outdoor units.CB26UH-R (RFC) units may be installed with amatched remote outdoor unit. These units areequipped with an HCFC-22 refrigerant flow controldevice (see orifice table 1). Also, these units can beused with HFC-410A refrigerant provided the RFCshipped with the outdoor unit is installed in place of theRFC device shipped with the CB26UH-RFC unit. WARNINGThese instructions are intended as a general guide and donot supersede local or national codes in any way. Consultauthorities having jurisdiction before installation.Compliance with all local, state, or national codespertaining to this type of equipment should be determinedprior to installation. Read this instruction manual, as wellas the instructions supplied in separate equipment, beforestarting the installation.In addition to conforming to manufacturer's installationinstructions and local municipal building codes, installationof Lennox air handler units (with or without optional electricheat), MUST conform with National Fire ProtectionAssociation (NFPA) standards: "Standard for Installationof Air Conditioning and Ventilation Systems" (NFPA No.90A) and "Standard for Installation of Residence TypeWarm Air Heating and Air Conditioning Systems" (NFPANo. 90B).IMPORTANTAll models are designed for indoor installation only. Theinstallation of the air handler, field wiring, duct system, etc.must conform to the requirements dthe National ElectricalCode, ANSI/NFPA No. 70 (latest edition) in the UnitedStates, and any state laws, and local ordinances (includingplumbing or wastewater codes). Local authorities havingjurisdiction should be consulted before installation ismade. Such applicable regulations or requirements takeprecedence over the general instructions in this manual.Install the conditioned air plenum, ducts and air filters (notprovided) in accordance with NFPA 90B Standard for theInstallation of Warm Air Heating and Air-ConditioningSystems (latest edition).The air handler is shipped from the factory completelyassembled. The unit is provided with flanges for theconnection of the duct system.Do not remove the cabinet knockouts until it has beendetermined which knockouts will need to be removed forthe installation.Page 3CB(X)26UH SERIES

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