Lennox International Inc. (2/4)SA13 User's Manual
Contents
1. seconds after the thermo stat is satisfied Cooling System Performance For maximum performance of the cooling system operat ing temperatures and pressure should be checked Super heat should be determined at Standard ARI test conditions of 82 F outdoor and 80 F indoor dry bulb 67 F wet bulb If superheat measured deviates from values found in Table 3 refrigerant charge should be adjusted accordingly for maximum performance Suction Superheat Suction Superheat ARI Conditions 82 OD 80 IDDB 67 IDWB Table 3 48392M005 Page 7 AWARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could result in dangerous operation serious injury death or property damage Improper servicing could result in dangerous operation serious injury death or property damage Before servicing disconnect all electrical power to unit e When servicing controls label all wires prior to disconnecting Reconnect wires correctly e Verify proper operation after servicing Periodic inspection and maintenance normally consists of changing or cleaning the filters and cleaning the outdoor coil On occasion other components may also require cleaning Filters Filters should be checked at least every 6 weeks Dispos able filters should be replaced when dirty and cleanable filters should be cleaned regularly It is important to2. AL WIRING CONNECTION 3 PHASE Figure 6 48392M005 Page 5 manufacturer s instructions enclosed with thermostat for general installation procedure Color coded insulated wires 18 AWG should be used to connect thermostat to unit Four wires are required for cooling Compressor Units are shipped with compressor mountings factory adjusted and ready for operation Caution Do not loosen compressor mounting bolts Heater Kit Accessory if used The unit is fully equipped for cooling operation without auxiliary heat A heater kit accessory may also be used To install the heater kit accessory see Figure 7 1 Disconnect the power and remove the heater compart ment access panel 2 Disconnect the plug separating the high voltage wire harness Remove the high voltage wire harness plug and discard 3 Remove the heater blockoff by removing the four screws holding it in place 4 Insert the heater into the control panel and fasten the same mounting holes 5 Plug the heater wiring harness into the wire harness on the control assembly Field wiring of the auxiliary heater is separate from the unit power supply Wire the power supply wiring for the heater to the appropriate connections on the heater kit 6 Replace the heater compartment access panel and reconnect the power Removal of Unit from Common Venting System When an existing furnace is removed from a common venting system serving other applianc
3. INSTALLATION AND MAINTENANCE INSTRUCTIONS 2 4 SA13 Series Electric Cooling Package Unit A WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified installer or service agency AWARNING Installation and servicing of air conditioning equipment can be hazardous due to internal refrigerant pressure and live electrical compo nents Only trained and qualified service personnel should install or service this equip ment Installation and service performed by unqualified persons can result in property damage personal injury or death AWARNING If this unit is to be installed in a mobile or manu factured home application the ductwork must be sized to achieve static pressures within the manufacturers guidelines All other installation guidelines must also be followed Failure to do so may result in equipment damage personal injury and improper performance of the unit AWARNING Sharp metal edges can cause injury When installing the unit use care to avoid sharp edges TABLE OF CONTENTS INSTALLATION OPERATION MAINTENANCE WIRING DIAGRAM WARRANTY Manufactured By A A C A Lennox International Inc Company 421 Monroe Street Bellevue OH 44811 CAUTION The installation of this applia
4. LOVLNOD 5 lt lt TAA 335 Reseed AYNSS3Yd 1OYLNOO 1 OHIAN S SdYL d3JdS YOLOW 2 294 NIN AINO HOLONGNOSD Y3ddO9 ASN 15 GATIVLSNI 913154 9 IN GASN 39 LSNW SYIM ANY AZIS ANVS AHL IVLSOWHSHL 39 1 SI SHIM JHL ALON XINO 440 NOILONNA SSINOSSAOOV YALVSH 8 9 4 S 53 00 1V9071 HLIM SONVGHOOOV NI STAGOW 0 8 SL NO 5999 2 9919 ADVLS OL GASN 39 NYO ZM LSNW LINN GYVZVH MOOHS 9l4 19313 NINHYM Page 9 Figure 9 48392M005 Limited Warranty August 1 1997 This warranty gives you specific legal rights and you may have other rights which vary from state province to state province Subject to the limitations stated in this warranty we warrant to the first buyer for use the residential heating cooling or heat pump unit when installed operated and maintained as required by this warranty to be free of defects in workmanship or material for a period of 5 years in residential installations 1 year in non residential installations from the time of installation We will replace any defective component without cost or expense to you except for the costs of delivery and l
5. abor for removal and replacement of the defective component These 2 4 SA13 package cooling units carry a 5 year limited warranty on the compressor Limited warranties apply to the original owner in private owner occupied residences Warranty Begins The warranty period begins when the installation is complete and the product is ready to operate You must be able to verify this date whenever a warranty claim is made Original bill of sale installer s invoice or other similar document will suffice If the beginning date cannot be verified we will consider warranty coverage to begin 6 months after the date the product was shipped from our factory Limitations on Implied Warranties Implied warranties of merchantability or to the extent applicable fitness for a particular purpose are limited to 5 years the same duration as the basic limited written warranty provided herein Some states provinces do not allow limitations on how long an implied warranty of merchantability or fitness lasts so the above limitations or exclusions may not apply to you Only Warranty This written Limited Warranty is the only warranty made by the warrantor this warranty is in lieu of and excludes all other warranties express or implied The warrantor does not authorize any person to provide any other warranty or to assume for it any further obligation in connection with the warranted product What is NOT Covered Cabinets or cabinet pieces Normal maintenance item
6. e preceding steps for each appliance con nected to the common venting system 7 After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined above return doors windows exhaust fans fireplace dampers and any other fuel burning appliance to their previous condition of use 8 If improper venting is observed during any of the above tests the common venting system must be corrected See National Fuel Gas Code ANSI 2223 1 latest edition or CAN CGA B149 1 amp 2 Canadian Installation Codes to correct improper operation of common venting system 48392M005 OPERATION Sequence of Operation Cooling Upon cooling demand the thermostat closes circuit R and Y Closing R and Y closes the unit contactor starting the compressor and outdoor fan The thermostat automatically closes R to G circuit which also brings on the indoor blower at the same time Upon satisfying cooling demand the thermo stat will open the above circuits and open the main contactor stopping the compressor and outdoor fan If the unit is equipped with a delay timer the blower will continue to operate for 90 seconds which improves system efficiency Circulating Air Blower The circulating air blower is controlled by a timing circuit in the blower control Timings are not adjustable There is no blower delay after a call for heating or cooling Blower off delay is 90
7. es the venting system is likely to be too large to properly vent the remaining attached appliances The following test should be conducted with each appliance while the other appliances connected to the common venting system are not in operation 1 Seal unused openings in the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch and determine there is no block age or restriction leakage corrosion or other deficien cies which could cause an unsafe condition 3 Insofar as is practical close all building doors and windows between the space in which the appliances remaining connected to the common venting system Page 6 Heater Kit Accessory Installation Heater Blockoff Heater Compartment Access Panel Heater Kit Figure 7 are located and other spaces in the building Turn on clothes dryers and any appliance not connected to the common venting system Turn on exhaust fans such as range hoods and bathroom exhausts so they will operate at maximum speed Do not operate a summer exhaust fan Close fireplace dampers 4 Following the lighting instructions place the unit being inspected in operation Adjust the thermostat so the appliance will operate continuously 5 Test for spillage at the draft control relief opening after 5 minutes of main burner operation Use the flame of a match or candle 6 Follow th
8. free entrance to the air inlet and discharge air openings The location must also allow for adequate service access The unit must be installed on a solid foundation that will not settle or shift Adequate structural support must be pro vided Maintain minimum clearances as shown in Figure 1 and Table 1 and install the unit in level position Isolate the base from the building structure to avoid possible transmis sion of sound or vibration into the conditioned space Using Accessory Lift Kit Lifting Bracket Accessory Sheet Metal Screw Spreaders Field Supplied To avoid possible damage to unit panels from lifting clevis place packing material between clevis and panels before lifting unit Figure 1 Avoid placing the unit near quiet areas such as sleeping quarters or study rooms Normal operating sound levels may be objectionable if the unit is placed near certain rooms Do not permit overhanging structures or shrubs to obstruct condenser air discharge inlet or outlet For improved start up performance the indoor coil should be washed with suitable detergent to remove any residue from manufacturing processes Exercise care when moving the unit Do not remove any packaging until the unit is near the place of installation An accessory lift kit can be purchased to aid in rigging see Figure 1 Spreaders whose length exceed the largest dimension across the unit must be used across the top of the unit Recommended sp
9. ial or national codes pertaining to this type of equipment should be determined prior to installation IMPORTANT This product has been designed and manufac tured to meet ENERGY STAR criteria for energy efficiency However proper refrigerant charge and proper air flow are critical to achieve rated capacity and efficiency Installation of this product should follow the manufacturer s refrigerant charging and air flow instructions Failure to confirm proper charge and airflow may reduce energy effi ciency and shorten equipment life Inspection of Shipment Upon receipt of equipment carefully inspect it for possible shipping damage If damage is found it should be noted on the carrier s freight bill Take special to examine the unit inside the carton if the carton is damaged File a claim with the transportation company If any damages are discovered and reported to the carrier DO NOT INSTALL THE UNIT as claim may be denied Check the unit rating plate to confirm specifications are as ordered Limitations The unit should be installed in accordance with all national and local safety codes Limitations of the unit and appropriate accessories must also be observed The unit must not be installed with any ductwork in the outdoor air stream The outdoor fan is not designed to operate against any additional static pressure Page 2 Location The unit is designed to be located outdoors with sufficient clearance for
10. ired with a separate branch circuit and be properly fused Electrical Access Heater Power Entry D Thermostat 99 Entry Fi Line Voltage Entry Figure 5 Thermostat The room thermostat should be located on an inside wall where it will not be subject to drafts sun exposure or heat from electrical fixtures or appliances Follow the Typical Wiring Connections THERMOSTAT OUTDOOR UNIT ECONOMIZER NOT INSTALLED ACAUTION Do not connect connections except when required by the indoor thermostat Refer to the thermostat installation instructions 13 POWER WIRING 208 230 1 60 90 C MIN WIRE POWER WIRING 24V CONTROL WIRING NEC CLASS 2 W1 W2 CAN BE USED TO STAGE ELECTRIC HEAT ACCESSORY ON 15 amp 20 KW MODELS 5 amp 10 KW HEATER ACCESSORY FUNCTION OFF W1 ONLY TYPICAL WIRING CONNECTION 1 PHASE THERMOSTAT OUTDOOR UNIT ECONOMIZER ACAUTION Do not connect connections except when required by the indoor thermostat Refer to the thermostat installation instructions N GROUND SCREW POWER WIRING 200 230 3 60 460 575 3 60 90 C MIN WIRE POWER WIRING 24V CONTROL WIRING NEC CLASS 2 W1 W2 CAN BE USED TO STAGE ELECTRIC HEAT ACCESSORY ON 15 amp 20 KW MODELS 10 KW HEATER ACCESSORY FUNCTION OFF W1 ONLY TYPIC
11. keep the air filters clean as dirty filters can restrict airflow and the blower motor depends upon sufficient air flowing across and through it to keep from overheating Motors Indoor and outdoor fan and vent motors are permanently lubricated and require no maintenance Outdoor Coil Dirt and debris should not be allowed to accumulate on the outdoor coil surface or other parts in the air circuit Clean ing should be as often as necessary to keep coil clean Use a brush vacuum cleaner attachment or other suitable means If water is used to clean the coil be sure the power to unit is shut off prior to cleaning Care should be used when cleaning the coil so that the coil fins are not damaged Do not permit the hot condenser air discharge to be obstructed by overhanging structures or shrubs Page 8 Owner Record Model Serial Installation Date Installed by Dealer Address Telephone License 48392M005 L00 96 87 Nid peddiys Asojoe4 YOLOVLNOO YOSSAYdNOO TOHLNOO SIV aay LYVH 5 va YOLOW 2 YASNAGNOO9 m Q HOLIOWAWO lg 9 NYS YOSSSYdNOO O 09 1 0 2 802 Nua 19 YHOLIOVdVO z A G YHO
12. led used and cared for in accordance with the instruction manual You are responsible for required periodic maintenance or service such as changing or cleaning of air filters and lubrication or cleaning of components Failure to properly install operate or maintain your unit voids this warranty Page 10 48392M005
13. nce must conform to the requirements of the National Fire Protection Association the National Electrical Code ANSI NFPA No 70 latest edition in the United States the Canadian Electrical Code Part 1 CSA 22 1 latest edition in Canada and any state or provincial laws or local ordinances Local authorities having jurisdiction should be consulted before installation is made Such applicable regulations or requirements take precedence over the general instructions in this manual 48392M005 Save these instructions for future reference Page 1 INSTALLATION These instructions explain the recommended method of installation of the SA electric cooling unit and associated electrical wiring This unit is designed and approved for use as a self contained air to air air conditioning system The units are factory equipped with a transformer and blower control for applications without auxiliary heat Electric heat accessory kits PHK can be ordered for field installation of additional heat where required These instructions and any instructions packaged with mating components and or accessories should be care fully read prior to beginning installation Note particularly any CAUTIONS or WARNINGS in these instructions and all labels on the units These instructions are intended as a general guide only for use by qualified personnel and do not supersede any national or local codes in any way Compliance with all local state provinc
14. o local codes Use a sealing compound on male pipe threads The condensate drain line must be properly trapped and routed to a suitable drain See Figure 3 for proper drain arrangement The drain line must pitch to an open drain or pump to prevent clogging of the line Seal around the drain connection with suitable material to prevent air leakage into the return air system Typical Condensate Drain Connection ee Drain Connection 1 00 Min 0 Min Positive Liquid Seal Required Figure 3 Ductwork Ductwork should be designed and sized according to the methods in Manual Q of the Air Conditioning Contractors of America ACCA A closed return duct system shall be used This shall not preclude use of economizers or outdoor fresh air intake It is recommended that supply and return duct connections at the unit be made with flexible joints Page 3 The supply and return air duct systems should be de signed for the CFM and static requirements of the job They should not be sized by matching the dimensions of the duct connections on the unit Outdoor ductwork must be insulated and waterproofed Equipment is shipped for side ductwork connection The unit can be converted to bottom ductwork connection by removing the duct covers located over the bottom duct openings and placing these covers over the side duct openings see Figure 4 To remove the bottom duct cover over supply opening 1 Remove screw on co
15. reader length 3 ton and smaller package units 44 3 5 ton and larger units 54 48392M005 Minimum Clearance Requirements For Proper Operation Combustible Material Table 1 Units may also be moved or lifted with a forklift while still in the factory supplied packaging The lengths of the forks of the forklift must be a minimum of 42 CAUTION Before lifting a unit make sure that the weight is distributed equally on the cables so that it will lift evenly Roof Curb Installation If a roof curb is used follow the manufacturer s Installation Instructions and be sure that all required clearances are observed see following Clearances section Roof Curb Assembly Figure 2 48392M005 Clearances All units require certain clearances for proper operation and service Refer to Table 1 for the minimum clearances to combustibles as well as minimum clearances necessary for servicing and proper unit operation In the U S units may be installed on combustible floors made from wood or class A B or C roof covering material In Canada units may be installed on combustible floors Service Access Access to all serviceable components is provided by four removable panels filter compartment blower compart ment heater compartment and top panel Condensate Drain The SA package unit is equipped with a 3 4 FPT coupling for condensate line connection Plumbing must conform t
16. s such as filters fan belts fuses or other consumable items Damage caused by misuse failure to maintain properly accidents or acts of God External wiring piping venting or attachment of accessory products not integral to our product including without limitation humidifier air cleaner vent damper thermostat or other mechanical devices not manufactured by the warrantor Products that have been operated in a corrosive atmosphere where a concentration of acids halogenated hydrocarbons or other corrosive elements causes deterioration to metal surfaces or integral components NOTE Operation in a corrosive atmosphere is considered abuse and voids this warranty Products that have NOT been installed in accordance with our published installation instructions applicable local state provincial or national codes ACCA published standards Products that have NOT been installed by competent qualified installers Products that have been moved from their original place of installation Warranty on Replacement Components Any replacement component furnished by us will assume the remaining unused portion of the Limited Warranty Consequential Damages The warrantor shall not be responsible for any consequential damages caused by any defect in the product Some state provinces do not allow the exclusion or limitations of incidental or consequential damages so the above limitation or exclusion may not apply to you This product must be instal
17. tiple power supplies Failure to disconnect all power supplies could result in personal injury or death All wiring should be done in accordance with the National Electrical Code ANSI NFPA No 70 latest edition Canadian Electrical Code Part 1 CSA C22 1 latest edition or local codes where they prevail Use wiring with a temperature limitation of 75 C minimum Run the 208 or 230 volt 60 hertz electric power supply through a fused disconnect switch to the connection box of the unit and connect as shown in the wiring diagram located on the inside of the control access panel A CAUTION When connecting electrical power and control wiring to the unit waterproof type connectors must be used so that water or moisture cannot be drawn into the unit during normal operation 48392M005 AWARNING Unit must be grounded in accordance with national and local codes Failure to ground unit properly can result in personal injury or death Power supply to the unit must be N E C Class 1 and must comply with all applicable codes A fused disconnect switch should be field provided for the unit The switch must be separate from all other circuits If any of the wire supplied with the unit must be replaced replacement wire must be of the type shown on the wiring diagram Electrical wiring must be sized to carry minimum circuit ampacity marked on the unit Use copper conduc tors only Each unit must be w
18. ver nearest side opening 2 Lift end of cover slightly and push to slide back screw pin free from duct flange 3 Slide duct cover out the side duct opening Removing Bottom Duct Covers 1 Remove screw and lift 2 Slide cover to free back pin Figure 4 ACAUTION When fastening ductwork to side duct flanges on unit insert screws through duct flanges only do not insert screws through casing using bottom duct work do not use screws to secure ductwork to bottom duct opening under drain pan side Using screws to secure bottom duct may damage drain pan Filters Air filters are to be used with this heating cooling unit Filters are not factory supplied in the unit However a filter frame accessory is available from the manufacturer that allows filters to be installed within the unit If the filter frame accessory is not used a filter must be installed in the duct work by the installer Filters must always be installed ahead of the evaporator coil and must be kept Page 4 clean or replaced Dirty filters will reduce the airflow of the unit Filters should be sized in accordance with Table 2 Minimum Required Surface Area for Disposable Filters Table 2 Electrical Wiring AWARNING Line voltage is present at all components when unit is not in operation on units with single pole contactors Disconnect all remote electric power supplies before opening access panel Unit may have mul
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