Goodman Mfg ARPF Air Conditioner User Manual
Contents
1. FIGURE 13 R RED LAN 7 pee BR G GREEN A A SEE NOTE WHITE wW S and NOTE i n 5 BR BROWN BI BL BLUE 2 W 18 GA 5 WIRE 50 OT 1 50 OT 2 OPTIONAL OUTDOOR THERMOSTAT CLOSE ON TEMPERATURE FALL 18 GA 7 WIRE NEEDED WHEN TWO OT S ARE USED NOTES NOMENCLATURE COLOR CODES 1 OUTDOOR THERMOSTAT OT 1 SHOULD BE THE OT OUTDOOR THERMOSTAT OPTIONAL R RED FIRST TO CLOSE AND THE LAST TO OPEN EHR EMERGENCY HEAT RELAY OPTIONAL Y YELLOW 2 CONNECT WHITE AND BROWN WIRES FROM AIR BL BLUE HANDLER TOGETHER IF OT 2 IS NOT USED BR BROWN 3 REMOVE WIRE WHEN USING OUTDOOR THERMOSTAT ORANGE W WHITE G GREEN 12 08 04 THERMOSTATS Note Second Stage heat can be accomplished by multi stage heating thermostat or the addition of an outdoor thermostat as shown in Figures 12 and 13 Goodman part number CHT18 60 is a single stage cool and single stage heat thermostat Goodman part number HPT18 60 is a single stage cool two stage heat pump thermostat The first stage is heat pump heating and the second stage is optional electric heat If additional features are desired such as digital or programmable capabilities these thermostats are commercially available Follow the thermostat manu2. 10 THERMOSTAT WIRING DIAGRAMS 11 THERMOSTATS rrene naron npr Sete tas 13 INTRODUCTION Checking Product Received Upon receiving the product inspect it for damage from shipment Claims for damage either shipping or concealed should be filed immediately with the shipping company Check the product to determine if it is correct In the event an incorrect product is shipped it must be returned to the supplier and must NOT be installed The manufacturer assumes no responsibility for installation of incorrectly shipped products Before Beginning Installation Carefully read all instructions for the installation prior to installing product Make sure each step or procedure is understood and any special considerations are taken into account before starting installation Assemble all tools hardware and supplies needed to complete the installation Some items may need to be purchased locally Make sure everything needed to install the product is on hand before starting REPLACEMENT PARTS Ordering Parts When reporting shortages or damages or ordering repair parts give the complete product model and serial numbers as stamped on the product Replacement parts for this product are available through your contractor or local distributor For the location of your nearest distributor consult the white business pages the yellow page section of the local telephone book or contact the follow
3. 118 110 on NEC 1996 Table 7 Maximum Overcurrent Protection MOP Every installation must include an NEC USA or CEC Canada approved overcurrent protection device Also check with local or state codes for any special regional requirements This protection can be in the form of fusing or HACR style circuit breakers The Series and Rating Plate can be used as a guide for selecting the MAXIMUM overcurrent device NOTE Fuses or circuit breakers are to be sized larger than the equipment MCA but not to exceed the MOP Electrical Connections Supply Voltage USE COPPER CONDUCTORS ONLY A knockout is provided on the air handler top panel or side to allow for the entry of the supply voltage conductors If the knockouts on the cabinet sides are used for electrical conduit an adapter ring must be used in order to meet UL1995 safety requirements An NEC or CEC approved strain relief is to be used at this entry point The wire is to be sized in accordance with the Electrical Wire and MOP section of this manual Some areas require the supply wire to be enclosed in conduit Consult your local codes 230 Air Handler Only Non Heat Kit Models The building supply connects to the stripped black and white wires contained in the air handler electrical compartment cavity A ground screw is also contained in this area Attach the supply wires to the air handler conductors as shown in the unit wiring diagram usi
4. TO PREVENT DAMAGE TO SENSING BULB ENSURE BULB IS NOT NEAR FLAME OR IN CONTACT WITH SUCTION LINE OR MANIFOLD DURING BRAZING 4 Use a tube cutter to remove the spin closure on the suction line 5 Remove the tailpiece clamped to the exterior 6 Slide the 13 16 nut into position Figure 1 Braze tailpiece to liquid tube 7 Insert the suction line into the connection slide the insulation and the rubber grommet at least 18 away from the braze joint 8 AFTER THE TAILPIECE HAS COOLED position the white Teflon seal and hand tighten the nut 9 Torque the 13 16 nut to 20 30 ft lbs 2 77 4 15 meter kg 10 Replace sensing bulb to horizontal portion of suction line Figure 3 just inside cabinet Place bulb parallel with suction line in the 10 o clock position If 10 o clock position is inaccessible place in the 2 o clock position Secure bulb to line with strapping provided in literature envelope Insulate sensing bulb to line with self adhesive insulation provided in envelope 11 Replace access panel suction line grommet and insulation REATTACH BULB HERE USING _ STRAPPING AND INSULATION PROVIDED __ Figure 3 For the majority of installations no adjustment to the TXV setting is required However if the measured superheat is less than 8 or greater than 20 an adjustment is required The adjustment stem is at the base of the valve opposite the diaphragm under the flare nut 08 04 To increase the
5. 1O 230F Dipswitch Functions The AEPT air handler motor has an electronic control that contains an eight 8 position dip switch The function of these dipswitches are shown in Table 9 Dipewitch Number Electric Heat Indoor Thermostat Cooling amp Heat Pump CFM CFM Trim Adjust Table 9 CFM Delivery Tables 10 and 11 show the CFM output for dipswitch combinations 1 2 and 5 6 ELECTRIC w BACKUP 7700 7210 EMERGENCY HP TABLE 10 ELECTRIC HEAT CFM Nominal Cooling CFM ete eo HEE OFF ON 1 Jeo OFF OFF 5 J 1800 OFF ON 3 1480 ON o 3 1200 Table 11 Cooling and Heat Pump CFM Thermostat Fan Only Mode During Fan Only Mode operation the CFM output is 30 of the cooling setting CFM Trim Adjust Minor adjustments can be made through the dip switch combination of 7 8 The following Table 12 shows the switch position for this feature Switch 7_ Switchs 10 OFF _ 155 12 08 04 Humidity Control When using a Humidistat normally closed cut jumper PJ6 on the control board The Humidistat will only affect cooling airflow by adjusting the Airflow to 85 Two Stage Heating When using staged electric heat cut jumper PJ4 on the control board Thermostat Wiring Use thermostat wiring diagram Figures 10 thru 13 and those provided with the thermostat when making these conn
6. IS STRONGLY ADVISED TO PREVENT SCORCHING OR MARRING OF THE EQUIPMENT FINISH A WARNING THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY EPA HAS ISSUED VARIOUS REGULATIONS REGARDING THE INTRODUCTION AND DISPOSAL OF REFRIGERANTS INTRODUCED INTO THIS UNIT FAILURE TO FOLLOW THESE REGULATIONS MAY HARM THE ENVIRONMENT AND CAN LEAD TO THE IMPOSITION OF SUBSTANTIAL FINES THESE REGULATIONS MAY VARY DUE TO THE PASSAGE OF LAWS ACERTIFIED TECHNICIAN MUST PERFORM THE INSTALLATION AND SERVICE OF THIS PRODUCT SHOULD QUESTIONS ARISE CONTACT YOUR LOCAL EPA OFFICE DANGER PELIGRO CARBON MONOXIDE POISONING HAZARD Special Warning for Installation of Furnace or Air Handling Units in Enclosed Areas such as Garages Utility Rooms or Parking Areas Carbon monoxide producing devices such as an automobile space heater gas water heater etc should not be operated in enclosed areas such as unventilated garages utility rooms or parking areas because of the danger of carbon monoxide CO poisoning resulting from the exhaust emissions If a furnace or air handler is installed an enclosed area such as a garage utility room or parking area and a carbon monoxide producing device is operated therein there must be adequate direct outside ventilation This ventilation is necessary to avoid the danger of CO poisoning which can occur if a carbon monoxide producing device continues to operate in the enclos
7. superheat measured at the condenser base valve turn the stem clockwise in Similarly to decrease the superheat turn the stem counterclockwise out Use a refrigeration wrench for this function Note Design point for the system is 10 degrees of superheat measured at the condenser base valve at 95 degree outdoor air Charging Note Air handlers with TXV s ARPT s and AEPT s should be charged to 15 degrees of subcooling at the indoor inlet This supercedes any subcooling value listed with condensing unit s literature AEPT MOTOR ORIENTATION If the unit is in the upflow position there is no need to rotate the motor If the unit is in the downflow or horizontal position loosen motor mount and rotate motor as shown in Figure 4 Be sure motor is oriented with the female connections on the casing pointing down If the motor is not oriented with the connections pointing down water will collect in the motor and cause premature failure FRONT VIEW SIDE VIEW FOR OPTIONAL SAFETY GND USE MOUNTING BOLTS 5 FEMALE CONNECTIONS Figure 4 AEPT Motor Orientation CONVERSION TO DOWNFLOW The ARPF B series product is factory equipped for downflow operation and no field conversion is required It is recommeneded that the conversion to downflow be performed before placing the air handler in its final location and in an area that allows for access to all sides To prevent the evaporator coil pan from sweatin
8. unit with a sturdy non porous material In installations that may lead to physical damage i e a garage it is advised to install a protective barrier to prevent such damage DUCTWORK This air handler is designed for a complete supply and return ductwork system CAUTION DO NOT OPERATE THIS PRODUCT WITHOUT ALL DUCTWORK ATTACHED To ensure correct system performance the ductwork is to be sized to accommodate 375 425 CFM per ton of cooling with the static pressure not to exceed 5 WC Inadequate ductwork that restricts airflow can result in improper performance and compressor or heater failure Ductwork is to be constructed in a manner that limits restrictions and maintains suitable air velocity Ductwork is to be sealed to the unit in a manner that will prevent leakage Return Ductwork DO NOT TERMINATE THE RETURN DUCTWORK IN AN AREA THAT CAN INTRODUCE TOXIC OR OBJECTIONABLE FUMES ODORS INTO THE DUCTWORK The return ductwork is to be introduced into the air handler bottom upflow configuration Return Air Filters Each installation must include a return air filter This filtering may be performed at the air handler or externally such as a return air filter grille Air handlers mounted in the downflow orientation including B series 10 230F require external filtering A washable filter is available as an accessory To ensure optimum performance frequent flerckanng advsed RefrtoTable 5 for the appropriat
9. 7 TURN ONLY No pressure loss indicates possible leak 2 Remove the nut and discard the black or brass cap 3 Remove the check piston to verify it is correct See piston kit chart in instructions 4 Use a tube cutter to remove the spin closure on the suction line 5 Remove the tailpiece clamped to the exterior 6 Slide the 13 16 nut into position Braze tailpiece to the liquid tube 7 Insert the suction line into the connection slide the insulation and the rubber grommet at least 18 away from the braze joint 8 AFTER THE TAILPIECE HAS COOLED position the white Teflon seal and hand tighten the nut 9 Torque the 13 16 nut to 20 30 ft lbs 2 77 4 15 meter kg 10 Replace suction line grommet and insulation APPLY FLOWRATER PLASTIC or BRASS W A TIGHT APPLICATION GASKET FOR AIR 13 16 J GAA nite PISTON TEFLON SEAL Figure 1 SUCTION LINE WITH SPIN CLOSURE RUBBER Jj GROMMET aa a Figure 2 10 230F TXV Models ARPT and AEPT IMPORTANT NOTE In order to prevent damage to the sensing bulb it is not permanently installed in the factory This bulb is to be removed prior to brazing Place in proper location after braze joint has cooled Figure 3 1 Loosen the 13 16 nut 1 TURN ONLY No pressure loss indicates possible leak 2 Remove the nut and discard the black or brass cap 3 Remove large front panel and remove sensing bulb from suction manifold
10. ANSI NATIONAL FIRE PROTECTION ASSOCIATION NFPA 70 AND LOCAL STATE CODES IN CANADA ELECTRICAL GROUNDING IS TO BE IN ACCORDANCE WITH THE CANADIAN ELECTRIC CODE CSA 022 1 FAILURE TO OBSERVE THIS WARNING CAN RESULT IN ELECTRICAL SHOCK THAT CAN CAUSE PERSONAL INJURY A WARNING BEFORE SERVICING OR INSTALLING THIS EQUIPMENT THE ELECTRICAL POWER TO THIS UNIT MUST BE IN THE OFF POSITION CAUTION MORE THAN ONE DISCONNECT MAY EXIST FAILURE TO OBSERVE THIS WARNING MAY RESULT IN AN ELECTRICAL SHOCK THAT CAN CAUSE PERSONAL INJURY WARNING DUE TO HIGH SYSTEM PRESSURE AND ELECTRICAL SHOCK POTENTIAL INSTALLING AND THE SERVICING AIR CONDITIONING SYSTEMS CAN BE HAZARDOUS ONLY TRAINED AND QUALIFIED PERSONNEL ARE PERMITTED TO INSTALL OR SERVICE THIS EQUIPMENT OBSERVE ALL WARNINGS CONTAINED IN THIS MANUAL AND LABELS TAGS ATTACHED TO THE EQUIPMENT 08 04 WARNING THIS PRODUCT IS FACTORY SHIPPED FOR USE WITH A 208 230 1 60 ELECTRICAL POWER SUPPLY THIS AIR HANDLER MUST NOT BE RECONFIGURED TO OPERATE WITH ANY OTHER POWER SUPPLY WARNING WHEN INSTALLING OR SERVICING THIS EQUIPMENT SAFETY CLOTHING INCLUDING HAND AND EYE PROTECTION IS STRONGLY ADVISED IF INSTALLING THIS EQUIPMENT IN AN AREA THAT HAS SPECIAL SAFETY REQUIREMENTS HARD HATS ETC OBSERVE THESE REQUIREMENTS TO PROTECT THE UNIT WHEN WELDING CLOSE TO THE PAINTED SURFACES THE USE OF A QUENCHING CLOTH
11. INSTALLATION amp OPERATING INSTRUCTIONS FOR ARUF ARPF ARPT and AEPT SERIES AIR HANDLER Made in the USA by Goodman Manufacturing Company L P 1O 230F 2550 North Loop West Suite 400 Houston Texas 77092 08 04 www goodmanmfg com or www amana hac com 2003 2004 Goodman Manufacturing Company L P INDEX INTRODUC TION wie arth ei Ae A 2 REPLACEMENT PARTS erain 2 SAFETY INSTRUCTIONS 2 WARNINGS 2 2 2 aa 2 MODEL IDENTIFICATION 3 PRODUCT DESCRIPTION 3 UNIT INSPECTION ines 4 ELECTRIC HEAT ieee eine seein atheists 4 INSTALLATION isipin cece eee eee ceeetee eerste enadi at 5 LOCATION 5 ssccsctestscatatiapsagteetueieviges diate 5 ELECTRICAL SUPPLY WIRE AND 5 REFRIGERANT LINES 6 AEPT MOTOR ORIENTATION 8 CONVERSION TO DOWNFLOW 8 CONVERSION TO HORIZONTAL 9 CONDENSATE REMOVAL 9 ACHIEVING 2 LOW LEAKAGE RATE 10 ARUF ARPF MOTOR 10
12. Quality Makes the Difference All of our systems are designed and manufactured with the same high quality standards regardless of size or efficiency We have designed these units to significantly reduce the most frequent causes of product failure They are simple to service and forgiving to operate We use quality materials and components Finally every unit is run tested before it leaves the factory Thats why we know There s No Better Quality Visit our websites at www goodmanmfg com or www amana hac com for information on e Products e Warranties e Customer Services e Parts e Contractor Programs and Training e Financing Options 2003 2004 Goodman Manufacturing Company L P 10 230F 08 04
13. ction of the Building Electrical Service This unit is designed for single phase electrical supply DO NOT OPERATE ON A THREE PHASE POWER SUPPLY Measure the power supply to the unit The supply voltage must be in agreement with the unit nameplate power requirements and within the range shown in Table 6 Nominal Input Minimum Voltage Maximum Voltage 253 Table 6 08 04 Wire Sizing Wire size is important to the operation of your equipment Use the following check list when selecting the appropriate wire size for your unit e Wire size must carry the Minimum Circuit Ampacity MCA Refer to the NEC USA or CSA Canada for wire sizing The unit MCA for the air handler and the optional electric heat kit can be found on the unit Series and Rating Plate Wire size allows for no more than a 2 voltage drop from the building breaker fuse panel to the unit Refer to the latest edition of the National Electric Code or in Canada the Canadian Electric Code when determining the correct wire size The following table shows the current carrying capabilities for copper conductors rated at 75 C with a 2 voltage drop Use the Table 7 to determine the voltage drop per foot of various conductors Maximum Allowable Length in Feet to Limit Voltage Drop to 2 Minimum Circuit Ampacity MCA Wire Size AWG P14 75 50 97 NR NR NR NR e 201 150 120 86 75 68 aia 235 157 134
14. e filter ARUFor appr Filter Qty ARPT model model Number Required model 018 032 024 036 FIL 18 32 036 042 FIL 36 42 048 061 048 060 036 060 FIL 48 61 Table 5 ELECTRICAL SUPPLY WIRE AND MOP A WARNING TO AVOID THE RISK OF FIRE OR EQUIPMENT DAMAGE USE ONLY COPPER CONDUCTORS BEFORE SERVICING OR INSTALLING THIS EQUIPMENT THE ELECTRICAL POWER TO THIS UNIT MUST BE IN THE OFF POSITION AND ALL POWER SUPPLIES DISCONNECTED AX CAUTION MORE THAN ONE DISCONNECT MAY EXIST FAILURE TO OBSERVE THIS WARNING MAY RESULT IN AN ELECTRICAL SHOCK THAT CAN CAUSE PERSONAL INJURY OR DEATH WARNING THE UNIT MUST HAVE AN UNINTERRUPTED UNBROKEN ELECTRICAL GROUND TO MINIMIZE THE POSSIBILITY OF PERSONAL INJURY IF AN ELECTRICAL FAULT SHOULD OCCUR THE ELECTRICAL GROUND CIRCUIT MAY CONSIST OF AN APPROPRIATELY SIZED ELECTRICAL WIRE CONNECTING THE GROUND LUG IN THE UNIT AND CONTROL BOX WIRE TO THE BUILDING S ELECTRICAL SERVICE PANEL OTHER METHODS OF GROUNDING ARE PERMITTED IF PERFORMED IN ACCORDANCE WITH THE NATIONAL ELECTRIC CODE NEC AMERICAN NATIONAL STANDARDS INSTITUTE ANSI NATIONAL FIRE PROTECTION ASSOCIATION NFPA 70 AND LOCAL STATE CODES IN CANADA ELECTRICAL GROUNDING IS TO BE IN ACCORDANCE WITH THE CANADIAN ELECTRIC CODE CSA 22 1 FAILURE TO OBSERVE THIS WARNING CAN RESULT IN ELECTRICAL SHOCK THAT CAN CAUSE PERSONAL INJURY OR DEATH Inspe
15. ections NOTE DO NOT USE THESE DIAGRAMS FOR AEPT MODELS SEE SUPPLEMENTAL INSTALLATION AND OPERATING INSTRUCTIONS FOR AEPT MODELS ROOM THERMOSTAT 18 GA 4 WIRES WITH COOLING 3 WIRES WITHOUT AR UNIT CONTACTOR TO CONDENSING i COIL UNIT 24V CONNECTIONS Figure 10 Low Voltage Wiring Diagram for Cooling Unit with optional heat kit 10KW and below ROOM THERMOSTAT AR UNIT 18 GA 4 WIRE WIT l COOLING WIRE WITHOU OUTDOOR THERMOSTAT OPTIONAL CONTACTOR CONDENSING COIL UNIT 24V CONNECTIONS 18 GA 2 WIRE Figure 11 Low Voltage Wiring Diagram for Cooling Unit with optional heat kit 15KW and above 230 08 04 Important If outdoor thermostat is not used tie white and brown wires from Air Handler together 230 AR ARUF ARPF ARPT 18 60 10 KW amp BELOW HEAT PUMP TYPICAL H P ROOM THERMOSTAT 18 GA 7 WIRE FIGURE 12 POOGOO BS ksa 7 7 ae 8 ar gt G _ _ NOTE s BR J w WHITE W WAN W pe ft a H L BL BL BLUE BL A U 18 GA 5 WIRE OPTIONAL OUTDOOR THERMOSTAT CLOSE ON TEMPERATURE FALL 18 GA 6 WIRE NEEDED WHEN OT IS USED AR ARUF ARPF ARPT 18 60 ABOVE 10 KW HEAT PUMP TYPICAL H P ROOM THERMOSTAT POOGOOD eee 18 GA 7 WIRE L
16. ed area Carbon monoxide emissions can be re circulated throughout the structure if the furnace or air handler is operating in any mode CO can cause serious illness including permanent brain damage or death B10259 216 10 230F MODEL IDENTIFICATION AR U F 024 00 A 1 A Revision Electrical Supply 208 230 1 60 Feature A Initial Release B Downflow C Factory Sealed Factory Installed Heat 00 None Normal Capacity 018 1 Ton 024 2 Ton 030 032 2 Ton 036 3 Ton 042 3 048 amp 049 4 Ton 060 amp 061 5 Ton Refrigerant Metering T TXV F Flowrater Cabinet Finish P Painted U Unpainted Galvanized Steel Model Series AE Air Handler with ECM Motor AR Air Handler with PSC Motor PRODUCT DESCRIPTION With the exception of the ARPF024 00B 1 ARPF036 00B 1 ARPF048 00B 1 and the ARPFO60 00B 1 refered to in this manual as the B series these air handlers are designed to be installed in the upflow downflow and horizontal orientations The B series air handlers are factory configured to be installed in the downflow orientation DO NOT INSTALL THE B SERIES IN THE UPFLOW OR HORIZONTAL POSITION The C series airhandler is designed for low leak applications These air handlers are designed for indoor use only and must only be installed in a weatherized area DO NOT INSTALL OUTDOORS Typical residential installations for this product include alcov
17. ement ____ DRAIN CONNECTION UNIT Z 22 2 MINIMUM FLEXIBLE see TUBING HOSE SVL OR YA 3 MINIMUM POSITIVE LIQUID SEAL REQD Figure 9 Use of a condensate removal pump is permitted when necessary This condensate pump should have provisions for shutting off the control voltage should a blocked drain occur A trap must be installed between the unit and the condensate pump 08 04 IMPORTANT NOTE THE EVAPORATOR COIL 15 COATED WITH OILS THAT MAY DISSOLVE STYROFOAM AND CERTAIN TYPES OF PLASTICS THEREFORE A REMOVAL PUMP OR FLOAT SWITCH MUST NOT CONTAIN ANY OF THESE MATERIALS Tip Priming the P trap may avoid improper draining at the initial installation and at the beginning of the cooling season ACHIEVING 2 LOW LEAKAGE RATE Ensure that the Neoprene gasket with PSA remains intact on all surfaces that the access panels are secured to These surfaces are the entire length of the wrapper and areas between the upper tie plate upper and lower access panels Be sure that upper access panel breaker insert gasket is intact and also flowrator gasket is installed on the lower access panel An additional drain hole cover is required ARUF ARPF MOTOR Motor Speed Adjustment The motors in all ARUF and ARPF motors are multi speed PSC motors The color of the wire coming from the motor to the terminal on the control board defines in which speed the motor will operate The black wire represent
18. es basements attics crawl spaces and closets Other nonresidential applications are acceptable provided they comply with this manual and local state codes 08 04 When matched with a Goodman or Amana brand condenser or heat pump an ARI certified rating is available for many combinations The AEPT models are equipped with an ECM motor An ECM motor is more efficient than a standard PSC motor and offers features such as soft start controlled off delays and constant CFM Additional features and the associated controls are discussed later in this manual Electric heat is available for all models This is an accessory and is not provided with the equipment Use only the electric heat kits identified in the Electric Heat section of this manual These air handlers are intended for use with a room thermostat This thermostat is not supplied with this equipment Only thermostats that use 24 VAC operating voltage can be used UNIT INSPECTION Upon delivery inspect the unit for damage Any damage must be reported immediately to the carrier Do not install this equipment if it is determined that the integrity or safety has been compromised by freight damage Using the table Model Identification section check the equipment model number to ensure the unit is appropriately sized for the condenser unit If an incorrect unit is supplied it must not be installed and it is to be returned to the supplier The manufacturer a
19. facturer s instruction for installation START UP PROCEDURE e Prior to start up ensure that all electrical connections are properly sized and tightened All panels must be in place and secured For Air Tight application neoprene gasket must be positioned at prescribed locations to achieve 2 leakage e Tubing must be leak free Unit should be elevated trapped and pitched to allow for drainage e Low voltage wiring is connected e Auxiliary drain is installed when necessary and pitched to allow for drainage e Drain pan and drain tubing has been leak checked e Return and supply ducts are sealed e Unit is elevated when installed in a garage or where flammable vapors may be present e Unit is protected from vehicular or other physical damage e Return airis not obtained from any areas where there may be objectionable odors flammable vapors or products of combustion such as carbon monoxide CO which may cause serious personal injury or death REGULAR MAINTENANCE h WARNING DISCONNECT ALL POWER SUPPLIES BEFORE PERFORMING ANY SERVICE NOTE THAT THERE MAY BE MORE THAN ONE POWER SUPPLY FAILURE TO OBSERVE THIS WARNING CAN RESULT IN ELECTRICAL SHOCK THAT CAN CAUSE PERSONAL INJURY OR DEATH The only item to be maintained on a regular basis by the user is the circulating air filter s Filter snould be cleaned or replaced regularly A certified service technician must perform all other services
20. g the DPI accessory insulation kit is to be used when performing this conversion Note The DPI kit is not supplied with this product and is to be purchased separately See Table 8 for the correct DPI kit ARUFor ARPT AEPT model model 018 032 0 18 30 20 036 042 DPI36 42 20 048 061 036 060 DP148 61 20 Table 8 1O 230F Refer to Figures 5 through 7 for the location of the components referenced in the following steps Figure 5 illustrates the new installation location for the removed components 1 Before inverting the air handler remove all access panels the coil rear channel bracket and the filter close off panel 2 Remove the evaporator coil and the horizontal drain pan Discard horizontal drain pan 3 Install the provided plastic plug into the vacated access panel 4 Remove the two 2 zee coil support brackets and insulation retaining brackets 5 Remove the tie bracket 6 Install the DPI Insulation Kit onto the bottom of the drain pan Return Air Side Unit Access lt Panel Rear _Channel Bracket Zee Coil Support Bracket Coil Retaining Bracket Tie Bracket NOTE The filter provision is not applicable in THIS downflow application Figure 5 7 Install the zee coil supports and the wrapper stiffeners 8 Install the tie bracket 9 Install the rear channel bracket 10 To prevent possible condensate blow off the insulation retainers are to be laid into the evaporator coil pan a
21. his manual for the ARUF ARPF and ARPT models for typical low voltage wiring connections The Supplemental Installation Manual included with the AEPT product shows the wiring diagrams for these models REFRIGERANT LINES WARNING TO PROTECT THE UNIT WHEN WELDING CLOSE TO THE PAINTED SURFACES THE USE OF A QUENCHING CLOTH IS STRONGLY ADVISED TO PREVENT SCORCHING OR MARRING OF THE EQUIPMENT FINISH SOLDER WITH A MINIMUM OF 5 SILVER IS RECOMMENDED Tubing Preparation All cut ends are to be round burr free and cleaned Failure to follow this practice increases the chances for refrigerant leaks The suction line is soun closed and requires pipe cutters to cut off the closed end Post Brazing Quench all welded joints with water or a wet rag 08 04 Piping Size For the correct tubing size follow the specification for the condenser heat pump WARNING THIS COIL IS SHIPPED UNDER PRESSURE FOLLOW THESE INSTRUCTIONS TO PREVENT INJURY SEE FIGURES 1 AND 2 Evaporator Coil Metering Devices Flowrater Models ARUF and ARPF For most installations no change to the flowrater orifice is required In mix matched applications condenser heat pump is a different tonnage than the air handler a different flowrater orifice may be required See the Goodman piston kit chart 00 or latest revision Consult your local distributor for the details regarding mix matched orifice sizing 1 Loosen the 13 16 nut
22. ing SERVICE PARTS DEPARTMENT GOODMAN MANUFACTURING COMPANY L P 2550 NORTH LOOP WEST SUITE 400 HOUSTON TEXAS 77092 713 861 2500 1O 230F IMPORTANT SAFETY INSTRUCTIONS Recognize Safety Symbols Words and Labels The following symbols and labels are used throughout this manual to indicate immediate or potential hazards It is the owner s responsibility to read and comply with all safety information and instructions accompanying these symbols Failure to heed safety information increases the risk of serious personal injury or death property damage and or product damage A DANGER IMMEDIATE HAZARDS WHICH WILL RESULT IN PROPERTY DAMAGE PRODUCT DAMAGE SEVERE PERSONAL INJURY OR DEATH h WARNING HAZARDS OR UNSAFE PRACTICES COULD RESULT IN PROPERTY DAMAGE PRODUCT DAMAGE SEVERE PERSONAL INJURY OR DEATH a CAUTION HAZARDS OR UNSAFE PRACTICES WHICH_MAY RESULT IN PROPERTY DAMAGE PRODUCT DAMAGE PERSONAL INJURY OR DEATH WARNING THE UNIT MUST HAVE AN UNINTERRUPTED UNBROKEN ELECTRICAL GROUND TO MINIMIZE THE POSSIBILITY OF PERSONAL INJURY IF AN ELECTRICAL FAULT SHOULD OCCUR THE ELECTRICAL GROUND CIRCUIT MAY CONSIST OF AN APPROPRIATELY SIZED ELECTRICAL WIRE CONNECTING THE GROUND LUG IN THE UNIT CONTROL BOX TO THE BUILDING ELECTRICAL SERVICE PANEL OTHER METHODS OF GROUNDING ARE PERMITTED IF PERFORMED IN ACCORDANCE WITH THE NATIONAL ELECTRIC CODE NEC AMERICAN NATIONAL STANDARDS INSTITUTE
23. ith a thin coating of plastic Carefully knock out this plastic seal with a screwdriver and hammer Note The upper drain will become the secondary drain which is mandatory in many municipalities 10 230F 7 Install the plastic plug removed in step 5 to the right side lower access panel and the oval shaped rubber gasket to the lower left access panel 8 Reinstall the evaporator coil with the horizontal panel on the left side Note Push the assembly completely to the rear to ensure the engagement of the upflow pan with the rear channel bracket 9 Install the J bracket removed in step 2 to support the upflow pan to the tie channel 10 Attach all panels and the refrigerant management device Secondary Drain Primary Drain Figure 8 CONDENSATE REMOVAL The drain pan has a primary and secondary drain connection Figure 8 Condensate removal is performed by attaching 3 4 PVC pipe to the evaporator coil pan and terminated in accordance with local or state Plumbing HVAC codes The installation must include a P style trap that is located as close as is practical to the evaporator coil Exercise caution not to over tighten the drain connection s in order to prevent possible damage to the evaporator drain pan See Figure 9 for details of a typical condensate line P trap Installations that are above a finished ceiling may require a field supplied auxiliary drain pan Consult local codes on this requir
24. ly Volts 1 08 Constant CFM Measured Airflow NOTE The Temperature Rise Tables can also be used to determine the air handler airflow delivery When using these tables for this purpose set the room thermostat to 08 04 maximum heat and allow the system to reach steady state conditions Insert two thermometers one in the return air and one in the supply air The temperature rise is the supply air temperature minus the room air temperature Use HKR specification sheets to determine the HKR available for a given air handler HKR INSTALLATION Follow instructions listed in Installation and Operating Instructions shipped with the heat kit LOCATION WARNING THIS AIR HANDLER IS DESIGNED FOR INDOOR INSTALLATION ONLY DO NOT INSTALL OUTDOORS When installing this air handler consideration to minimize the length of refrigerant tubing is to be given Do not install the air handler in a location either above or below the condenser that violates the instructions provided with the condenser The clearance from a combustible surface to the unit is 0 However service clearance is to take precedence Allow a minimum of 24 in front of the unit for service clearance When installing in an area directly over a finished ceiling such as an attic an emergency drain pan is required directly under the unit See local and state codes for additional requirements When installing this unit in an area that may become wet elevate the
25. ng appropriately sized solderless connectors or other NEC or CEC approved means Air Handler With Non Circuit Breaker Heat Kits A terminal block is provided with the kit to attach the supply and air handler connections Follow the HKR Installation Manual and wiring diagram for complete wiring details Air Handler With Heat Kits Containing a Circuit Breaker HKR models with a C suffix contain a circuit breaker s The air handler has a plastic cover on the access panel that will require either one or both sections to be removed to allow the heat kit circuit breaker s to be installed See the HKR Installation Instructions for further details The air handler wires and supply wires are installed directly onto the HKR circuit breaker s as shown in the HKR Installation Manual and wiring diagram Low Voltage Connections Several combinations of low voltage schemes are available depending on the presence of a heat kit and whether the heat kit is single stage or multi staging The low voltage connections are determined by whether the outdoor unit is a condenser or heat pump The 24V control voltage connects the air handler to the room thermostat and condenser Low voltage wiring is to be copper conductors A minimum of 18AWG must be used for installations up to 50 and 16AWG for installations over 50 Low voltage wiring can be made through the top of the cabinet or through either side See the Thermostat Wiring section of t
26. s high speed the red wire represents low speed and the blue wire select models only represents medium speed To change speeds remove the wire attached to the COM terminal on the control board and swap it with the wire on terminal M1 or M2 with the color that will give the desired speed NOTE In some models not all speed taps are allowable for certain electric heat applications Refer to air handler Series and Ratings plate for minimum speed AEPT MOTOR This section references the operation characteristics of the AEPT model motor only The ECM control board is factory set with dipswitch 4 in the position and all other dipswitches in the OFF position For most applications this setting is to be changed according to the electric heat size and the outdoor unit selection The AEPT product uses a General Electric ECM motor This motor provides many features not available on the traditional PSC motor These features include e Improved Efficiency e Constant CFM Soft Start and Stop e Improved Humidity Control Motor Speed Adjustment Each ECM blower motor has been preprogrammed for operation at 4 distinct airflow levels when operating in Cooling H P Heating Backup Heating Electric Heating and Backup H P Heating Each mode has 4 levels to deliver different Air Flow CFM L s The adjustment is performed by changing the dipswitch s either to an OFF or ON position
27. s shown in Figure 6 3 Flat Insulation Retainer Both Sides Figure 6 08 04 To complete the conversion slide the evaporator coil into the chasss andatiach the thiee G access panet Figure 7 CONVERSION TO HORIZONTAL The B series product is not suitable for horizontal application and must not be used for this type of installation The following describes converting to Horizontal Left Hand The only field modification required for conversion to Horizontal Right Hand is the removal of the plastic knockouts in the horizontal panel drain connections TOP OF WRAPPER INSULATION JACKET ZEE COIL SUPPORT WRAPPER STIFFENER DRAIN PAN INSULATION DPI KIT HATCHED AREA Figure 7 As shown in Figure 8 it is recommended that the conversion to horizontal be performed before placing the air handler in its final location and in an area that allows for access to all sides 1 Remove the 3 air handler access panels 2 Remove the J shaped bracket that retains the evaporator coil 3 Remove the flowrater or TXV from the lower left side access panel and slide out the evaporator coil and horizontal drain pan 4 Remove the gasket from the horizontal pan drain connections 5 Remove the oval shaped plastic plug from the left side access panel Remove the oval shaped rubber gasket seal from the lower right side access panel 6 Thedrain connections for the horizontal pan are sealed w
28. ssumes no responsibility for the installation of incorrectly delivered units The evaporator coil contains a high pressure inert gas holding charge ELECTRIC HEAT WARNING REFER TO THE INSTALLING ELECTRIC HEAT SECTION OF THIS MANUALAND THE INSTRUCTIONS PROVIDED WITH THE HEAT KIT FOR THE CORRECT INSTALLATION PROCEDURE WARNING THE ELECTRICAL CHARACTERISTICS OF THE AIR HANDLER THE ELECTRIC HEAT KIT AND THE SUPPLY POWER MUST AGREE UNLESS USING HKR3 3 PHASE SERIES HEAT KIT THIS AIR HANDLER DOES NOT HAVE FACTORY INSTALLED ELECTRIC HEAT ELECTRIC HEAT IS AVAILABLE AS AN ACCESSORY IF INSTALLING THIS OPTION THE ONLY HEAT KITS THAT CAN BE USED ARE THE HKR SERIES AS INDICATED BELOW NOTE THE AMANA BRAND ECB EDB AND EDK KITS ARE NOT APPROVED FOR USE WITH THESE AIR HANDLERS The heating mode temperature rise is dependent upon the system airflow the supply voltage and the heat kit size kW selected Use Tables 1 3 temperature rise F to determine the 10 230F 10 15 20 21 Table 1 Table 2 Table 3 208 1 60 Supply Voltage Temperature Rise Table F Note For installations not indicated above the following formula is to be used TR kW x 3412 x Voltage Correction x 1 08 CFM Where TR Temperature Rise KW Heater Kit Actual kW 3412 Btu per kW Voltage Correction 96 230 Supply Volts 92 220 Supply Volts 87 208 Supp
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