CCF-CHF IO MANUAL
Contents
1. 7 Coil Cleaning cecsiiiccie cceiesicccteceveveccsentecnteecesscenschenecewaceteneesstheceeentesdescueesdavesdacabecennacsdensdesnnetacteveveeeddeenaesneeedanaaneesnsnesen 7 e Units must be installed in accordance with Regulations of the National Fire Protection Association and applicable local codes Where local regulations are at a variance with instructions installer should adhere to local codes e Before connecting tubing read the outdoor unit installation manual Pay particular attention to all safety precautions Akrecoenize THIS SYMBOL AS A SAFETY PRECAUTION ATTENTION INSTALLING PERSONNEL As a professional installer you have an obligation to know the product better than the customer This includes all safety precautions and related items Prior to actual installation thoroughly familiarize yourself with this Instruction Manual Pay special attention to all safety warnings Often during installation or repair it is possible to place yourself in a position which is more hazardous than when the unit is in operation Remember it is your responsibility to install the product safely and to know it well enough to be able to instruct a customer in its safe use Safety is a matter of common sense a matter of thinking before acting Most dealers have a list of specific good safety practices follow them The precautions listed in this Installation Manual are intended as supplemental to existing practices However ifthe2. Thread assembly halves together by hand to insure proper mating of threads Hand tighten until snug 4 Tighten assembly to 10 12 ft lbs of torque Use a suitable torque wrench with properly sized open end wrench adapter Use a backup wrench to prevent twisting of distributor tubes when applying torque Care must be taken not to misshape the distributor body NOTE Ifa torque wrench is not available mark a line on each part Then tighten an additional 1 6 turn or 1 hex flat Distributor Tubes a Closure N Fitting Pe 13 16 Brass T Hex Nut O Ring W Orifice Size Restrictor Bullet Nose O Ring Seal Side to face Distributor Tubes Figure 4 Refrigerant Piping TXV Kit Installation CCF Only Install this kit on CCF coils to increase system efficiency 1 Insert the outlet of the TXV female fitting into the distributor body Connect the assembly halves to gether and tighten by hand Install the inlet tube onto the inlet of the TXV male fitting Hand tighten the joint 2 Remove the cap from the Schraeder valve on the vapor manifold Without kinking attach the TXV equalizer line to the Schraeder valve Hand tighten the nut onto the Schraeder valve 3 Tighten the equalizer connection to 10 12 ft lbs of torque Do not reuse old washers system leak could occur 4 Tighten the TXV connections to 15 30 ft lbs of torque Use a suitable torque wrench with properly sized open end wrench adapter
3. the drain pan could overflow NOTE To avoid double trapping and possibly an overflowing drain pan it is not recommended to use soft plastic drain lines If used the auxiliary drain must be piped separately from the main drain connection and must contain a trap located below the bottom of the drain pan The auxiliary drain connection is 3 4 ID FPT 1 MIN PITCH CONDENSATE TOWARDS DRAIN CONN DRAIN CONNECT DRAIN SAME SIZE AS ON UNIT OR LARGER Figure 5 Maintenance Condensate System Maintenance Qualified Servicer Only As it cools the air the coil can produce condensation This water must be drained away properly At least once a year a qualified servicer should inspect the drain pan s and drain line s to confirm that the condensate will drain properly Cleaning or adjustment may be required at this time Air Filters Air Filter s must be supplied by the installer All of the return air must be filtered before it enters the coil If this coil is installed without filter s poor performance severe equipment damage and or loss of warranty coverage could result These problems could affect both the indoor unit and the outdoor unit As one option the installer can supply filter grille s in the walls and or ceiling return air duct terminations If this is done a filter at the unit will not be required If possible discuss filter location and maintenance with the homeowner before leaving the job Fi
4. CCF CHF Cased Horizontal Evaporator Coil Installation Instructions Goodman Company L P October 2002 Rev 4 1 1810 Wilson Parkway Fayetteville Tennessee 37334 10618412 www amana hac com Table of Contents MMC MN cee eae cae ise erecta ese ot ge asd te ee re we eit eee tae EN snare alaealciameuiabatanaioncs 2 Shipping and Handling ceeeeeeeee eee e cece eee e eee eee eee e eee eee eae EEE sea seaaeeeeeeeceeeceeeeeeeeeeeeeeeeessagenasseaseaaneaseeeseesees 2 Location Requirement ii iiciisccescscciessnctcccisc cee cceeesecceieececsaasesdanacsecoseasceaccessctudeasnesenceidestedesdesezssasscucdesascessseetee 2 Product AppliCationn sssi ouaaa eaaa cadet ccede aa E ar kaaa aa aaa aa Ea Ea a aE AEE Da EE EEE EEE NEE EEEE 2 Installation Instructions wissisis cniseecnsnnntasinntenteteasnaeacechaiundincd msdn anundaunsudnsihdnsdndesaunewedeetaasedasteconesunnn 3 Prelnstallation Requirement ccccccccecceeceeeeeeeeeeeeeceeeeseeaneeeeeeceeeeeeeeeeeeeeeee eee saaaegaaegsessasseaseaaeeseeeseeeeeeeeeeeess 3 Installati n iessen nanao a aa e a Ea codei eacces stead seeusseceusevraesagieed EEEE EEEE ESEE 3 F mMace asennan n e a uruar ane ar iea e a ean aasa anr nET ESNE NES EEEE EEA 3 Blower SOGHON zisranne e ri a a E daa as E ea EE a E T EA E EEN SAS EENE Sr 4 Refrigerant Piping soisessa neaei aaaea aaaea aaa EE 5 Job Site Brazing sisiccccccciessccccecctestscccsscceeescseccecenensssecceceeersssccececnnesssccdeeanensss
5. Use a backup wrench to prevent twisting of distributor tubes when applying torque NOTE If a torque wrench is not available mark a line on each part Then tighten an additional 1 6 turn or 1 hex flat To avoid the risk of fire or explosion never use oxygen high pressure air or flammable gases for leak testing a refrigerant system Refrigerant Pipe Connections Remove plugs in pipe outlets on coil Cut field tubing off squarely and cut to correct length deburr Inspect tubing ends Tubing must be round and with out nicks or dents on tubing surface which is to be brazed to the unit Insert fully into the swage provided Braze the tubing NOTE This is a copper to copper joint use an appropriate brazing alloy 2 minimum silver If the unit has a thermal expansion valve either wrap the expansion valve and sensing bulb with a wet rag use a thermal block ora similar heat dissipating material to prevent damage to the expansion valve For proper leak test evacuation and charging pro cedures see the outdoor unit installation manual Leak testing is to be done on line set only therefore do NOT use refrigerant from condensing unit for testing leaks or you may need to evacuate system if a leak is detected Drain Connection The drain connection on the coil requires a full size drain as it exists on the unit The connection is 3 4 ID FPT The drain line must contain a trap If a proper trap is not present
6. ecedesnens ssecastereesecseanens seccddeneersssecaneeseevessn 5 Refrigerant Cane isccsiccicceesesscciccdensccessaceteaceeescectevestcaeasesvdvesadscescuunasnedessscete dices secvectsedeacedsvecehascsuasnaeteecsivcraaderesedetes 5 Restrict r OnifiCe iss ciassccecviteeescnessszedsantecseriundeceencacss actus eeressi nde seubtassccvananwsdsaciaayeesenseaasteaaseceaun ie eeeeciauadseaeeeawaziiuaseedeare 5 Refrigerant Piping sasuseno ananena aea eaaa emcee dete eteteeeincneenidends 6 TAV Kit Installation CCF OMY ccccccccciectceteceeevs sesecuueceansacedeces evs seucecuecceustandaserevs ssaudeceneyssueceuteesseuuddcenesssescuunersti eed 6 Refrigerant Pipe Connections c ceeeeeee eee eee eee ee eee seen eee e eae eee eae eee eeaaeeaeeaeeeeeeeeeeeseeseeeseeeeeseseaasseaseaaeeaneeeeeeeees 6 Drain Connection sscan A E sede sinadiiaviasebniaeeentueicuneerianeies 7 Maintenance oases dacisasincacincscicda cs aiveirsauinn sarwedsce eastunauls serusan cman dam enuncindunwchlcuaincacinatnWetubeanteaubeuadesdwunusiaaceneeses 7 Condensate System Maintenance Qualified Servicer Only cccccesseccceeeeneeeeeeeeeneeeeseeeeeeeeeeseeeeeesneneeeeeeesenenes 7 AIWF UGNS sees titcceceasinadeatcewseescuaaceevessiacesutuvanes avevevexessuasuasencilsaagueusenvesvencastcavaaneea deabte A E E SE 7 Filter Maintenance sivsiiiscccciciiccssctadescicssseasascncsccetvasceaeesdsdsacduessuoseccdaddvebasscaddsussuceedcsaaddeisdessceutbaascodnduvoosecbwedeeatszecdaneaa
7. lter Maintenance IMPORTANT To avoid the risk of poor performance severe equipment damage and or loss of warranty cover age do not operate the coil without clean filter s in place Filter s should be inspected every month and cleaned or replaced when necessary It is the user s responsibility to keep the filters clean Dirty filters are the most common cause of poor heating or cooling performance Your air filter s could be located in filter grilles in your ceiling or walls or in the blower coil or furnace The installer of your coil can tell you where your filter s are and how to clean or replace them If you cannot reach your installer call another qualified servicer Coil Cleaning An annual air conditioning checkup including a good coil cleaning leak check and system pressure check will help keep the system operating at peak efficiency These coil cleanings should be performed by a qualified servicer Amana a trademark of Maytag World wide N V and is used under license to Goodman Company L P All rights reserved
8. or service operating conditions refer to the Specification Sheet from the matching condensing unit e Only allow qualified experienced technicians to install or service this unit Shipping and Handling All units are securely packed in shipping containers tested according to International Safe Transit Association specifications Upon receipt of the coil assembly inspect for any damage which may have occurred in transit If damage is obvious it should be noted on the carrier s freight bill for inspection and initiation for settlement of claim be made at once Units are usually shipped F O B factory and it is the consignee s responsibility to file damage claims If no damage is found shipping material should be removed and properly discarded Location Requirements The coil can be installed with zero clearance to combustible materials Adequate room must be provided for servicing routing of refrigerant lines and routing of drain lines including a drain trap Do not locate the unit directly on the ground or in an area that may become wet If installed over a finished ceiling or living space a secondary drain pan with drain line should be positioned under the entire unit Installation Instructions Prelnstallation Requirements Coit SIZING Coils should be sized prior to installation based on recom mended matches to the outdoor unit Refer to sales litera ture and the ARI directory Install unit in accordance with Regulation
9. re is a direct conflict between existing practices and the content of this manual the precautions listed here take precedence General Product Application These horizontal coils can be installed on a furnace or air handling unit They are specifically designed to match up with Amana condensing units and heat pumps to provide high efficiency heating or cooling These coils are suitable for either attic or crawl space installations Its bi directional airflow provides greater flexibility in horizontal left and horizontal right applications Non bleed thermal expansion valve kits can be field installed on CCF coils See Specification Sheet Thermal Expansion Valves TXV and flow restrictors give accurate refrigerant control and provide reliable operation over a wide range of conditions To avoid poor operation or equipment damage any single phase reciprocating compressor used with an expansion valve coil must include hard start components Ensure that the outdoor unit has hard start components or install a hard start kit See the outdoor unit Specification Sheet for the proper kit number NOTE It may be necessary to change the factory installed expansion valve on a CHF TCC coil in order to match the outdoor unit capacity CHF TCC Coil Size Required TXV Kit Outdoor Capacity CHF18TCC CHF24TCC TXV01A 1 1 2 to 2 tons CHF30TCC CHF36TCC TXV02A 2 1 2 to 3 tons CHF42TCC CHF48TCC TXVO03A 3 1 2 to 5 tons CHF60TCC F
10. rigerant charging information A distributor flow control assembly is shipped with this coil however certain conditions may require that the orifice in the assembly be replaced The outdoor unit will determine if the orifice will need to be replaced with a properly sized one in order to run efficiently Amana outdoor units are shipped with the properly sized orifices Restrictor orifices are also available in accessory kits To keep your Amana unit warranty in effect the Amana unit MUST be matched up with the appropriate TXV kit if required Refer to the outdoor unit Specification Sheet for the correct TXV kit needed to properly run the unit effi ciently Excessive torque can cause orifices to stick Use the proper torque settings when tightening orifices Restrictor Orifice REMOVAL 1 Disassemble the distributor flow control assembly by holding distributor body with a wrench and turning the brass hex nut 2 Remove and discard the factory installed restrictor NOTE If the restrictor does not drop out of the dis tributor body when disassembled remove by using an orifice extractor 3 Remove existing teflon washer if present and dis card REPLACEMENT 1 When required install new teflon seal as shown in Figure 3 2 Insert new restrictor fully into the distributor body with smaller end towards the indoor coil as shown in Figure 3 Ensure the restrictor stays inserted in body before connecting mating half 3
11. s of the National Fire Protection Association and applicable local codes Where there are variances with the national code adhere to local codes The capacity of the cooling or heating system is obtained from the published ratings NOTES e For TXV installation select the TXV kit specified on the condensing unit specification sheet or sales literature For orifice installation select the orifice size speci fied by the outdoor unit Coit CLEANING To obtain optimum performance on initial start up the coil assembly must be cleaned with a mild dishwashing deter gent or coil cleaner to remove any manufacturing oil residue dirt or other foreign substances from the coil finned surfaces Installation The Cased Horizontal Evaporator Coil can be installed either suspended Figure 1 or directly on a surface Figure 2 In either installation ensure the coil bottom is fully supported and resting on rubber isolation pads These pads will minimize vibration and sound transmission to the structure It is the installer s responsibility to ensure the coil is properly supported Isolation Pads Figure 1 Air Flow Figure 2 Coit ATTACHMENT Furnace When attaching the coil to either a gas or oil furnace mount the coil at the supply air end of the furnace unless the furnace manufacturer instructs otherwise Ensure the drain pan is down For proper drainage the coil must be level or pitched toward the drain connec
12. slide the bottom duct flange underneath onto the casing flange Figure 3 Coil Casing Pan Mount Duct Flange Figure 3 4 Lower pan mount Secure duct flange and pan mount to the coil casing using the screws removed in step 2 Blower Section The cased coil is designed to mate flush with a BBA BBC blower section on either horizontal right or horizontal left applications The coil section must be mounted upstream return air side of the blower section Use three adapter plates to connect the coil and blower section together one on each side and one on the back NOTE Two adapter plates are shipped with the blower section and one with the coil section Refer to Duct Flange Attachment section to complete installation Refrigerant Piping Job Site Brazing See companion outdoor condensing unit instructions for recommendations on field piping of interconnecting refrig erant lines Line sizes for runs of fifty feet or less should be based on the line diameters of the outdoor unit For lengths greater than 50 feet refer to the product service manual A field provided adapter may be necessary depending on line size used and connection size Refrigerant Charge The coil is shipped without refrigerant The coil has a holding charge of dry nitrogen to keep it dry and to keep foreign substances from contaminating the assembly See instructions provided with outdoor unit for ref
13. tions If necessary shim under the furnace so the furnace and coil casing will both be level or pitched toward the drain Horizontal Left Applications In this application the opening in the right side of the casing mates with the supply side flanges on Amana Air Command furnaces Ensure the furnace flanges are turned up Horizontal Right Applications In this application if you wish to create more surface area for attachment of duct work Figure 3 turn the front panel 180 Installation Instructions e AS i Vi i f af a l I ie Wide Side 180 Flip 180 f N Thin Side gt Figure 3 If the furnace and coil are not similar in depth and width a transition will have to be field supplied Center the furnace and coil openings relative to each other Fasten the assembly securely and seal as necessary to reduce air leakage Do not allow screws to penetrate the coil drain pan or tubing Duct Flange Attachment The duct flanges for the return air side are shipped unat tached If necessary carefully drive the flanges into place using a mallet In an horizontal left application use three 3 flanges in an horizontal right application use four 4 1 Slide the top and side duct flanges onto the casing flange Note Left side duct flange is not used in horizontal left installations 2 Remove the screws attaching the pan mount to the coil casing 3 Lift up the pan mount and
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