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Home My WebLink About608 Kona Dr_BLD6393_2025 Permit Packet Coversheet Community and Economic Development City of Arlington • 18204 59th Avenue NE • Arlington, WA 98223 • Phone (360) 403-3551 Page 1 of 1 Permit Number: Permit Type: Address/Parcel: Completed (Month/Year): Land Use Notice of Decision Staff Report Application Narrative Legal Description Vicinity Map Site Plan Landscape Plan Complete Streets Checklist Traffic Impact Analysis Snohomish County Traffic Mitigation Offer WSDOT Traffic Offer Form Tree Survey Stormwater Drainage Report Geotech Report Critical Area Evaluation Form SEPA Checklist Public Notice Material Noticing and Related Documents Water / Sewer Availability Certificate Unanticipated Discovery Plan Form Aerial Photo of Site Proposed Building Materials Lighting Plans and Lighting Cut Sheets Color Elevations Design Matrix Plat Map Title Report Lot Closures Preliminary Civil Plans Archaeological Survey o Confidential Documents. Contact the City to obtain. Topography (Existing Conditions) CC&R’s Deeds / Easements / Conveyances /Dedications Developer’s Agreement Recorded Copies Bonding or Assignment of Funds o Confidential Documents. Contact the City to obtain. Letters and Project Documents Other: Civil Issued Permit Application Other Applications Construction Calculation Worksheet Approved Plans Review Comment Form Letters and Project Documents Other Agency Permits Reports: o Drainage Report Pg: o Stormwater Pg: o Geotech Pg: o All Other Reports SEPA and Noticing Materials Inspections As-Builts Other: Building Issued Permit Application Additional Applications Approved Plans Site Plan Letters and Project Documents Calculations Project Specification Manuals Reports Certificate of Occupancy Inspections Other: BLD6393 Residential Mechanical 608 Kona Dr March 2025 ✔ ✔ ✔ ✔ ✔ SSAAFFEETTYY WWAARRNNIINNGG Only qualified personnel should install and service the equipment.The installation,starting up,and servicing of heating,ventilating,and air-conditioning equipment can be hazardous and requires specific knowledge and training.Improperly installed,adjusted or altered equipment by an unqualified person could result in death or serious injury.When working on the equipment,observe all precautions in the literature and on the tags,stickers,and labels that are attached to the equipment. October 2021 1111--BBCC4422DD11--11DD--EENN Variable Speed AccuLink™™ Side Discharge HP Models For coastal applications where units are installed within one (1)mile of salt water,epoxy coated models are recommended.These models have an 8 week lead time after order. EEppooxxyy CCooaatteedd MMooddeell 4A6L9024A1000B 4A6L9036A1000B 4A6L9048A1000B 4A6L9060A1000B 4A6L9024A1COTB 4A6L9036A1COTB 4A6L9048A1COTB 4A6L9060A1COTB NNoottee::“Graphics in this document are for representation only.Actual model may differ in appearance.” Installer’s Guide Page 1 of 28 App# 11087 Permit# 24-RMEC-0139 RECEIVED 12/30/2024 CITY OF MONROE ©2021 American Standard Heating and Air Conditioning 11-BC42D1-1D-EN Safety Section-VSPD Side Discharge IImmppoorrttaanntt —This document contains a wiring diagram and service information.This is customer property and is to remain with this unit.Please return to service information pack upon completion of work. WWAARRNNIINNGG HHAAZZAARRDDOOUUSS VVOOLLTTAAGGEE!! FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn pprrooppeerrttyy ddaammaaggee,,sseevveerree ppeerrssoonnaall iinnjjuurryy,,oorr ddeeaatthh.. DDiissccoonnnneecctt aallll eelleeccttrriicc ppoowweerr,,iinncclluuddiinngg rreemmoottee ddiissccoonnnneeccttss bbeeffoorree sseerrvviicciinngg..FFoollllooww pprrooppeerr lloocckkoouutt//ttaaggoouutt pprroocceedduurreess ttoo eennssuurree tthhee ppoowweerr ccaannnnoott bbee iinnaaddvveerrtteennttllyy eenneerrggiizzeedd.. WWAARRNNIINNGG RREEFFRRIIGGEERRAANNTT OOIILL!! FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn pprrooppeerrttyy ddaammaaggee,,sseevveerree ppeerrssoonnaall iinnjjuurryy,,oorr ddeeaatthh.. TThheessee uunniittss uussee RR--441100AA rreeffrriiggeerraanntt wwhhiicchh ooppeerraatteess aatt 5500––7700%%hhiigghheerr pprreessssuurreess tthhaann RR--2222..UUssee oonnllyy RR-- 441100AA aapppprroovveedd sseerrvviiccee eeqquuiippmmeenntt..RReeffrriiggeerraanntt ccyylliinnddeerrss aarree ppaaiinntteedd aa ““RRoossee””ccoolloorr ttoo iinnddiiccaattee tthhee ttyyppee ooff rreeffrriiggeerraanntt aanndd mmaayy ccoonnttaaiinn aa ““ddiipp”” ttuubbee ttoo aallllooww ffoorr cchhaarrggiinngg ooff lliiqquuiidd rreeffrriiggeerraanntt iinnttoo tthhee ssyysstteemm..RR--441100AA ssyysstteemmss uussee aa PPOOEE ooiill tthhaatt rreeaaddiillyy aabbssoorrbbss mmooiissttuurree ffrroomm tthhee aattmmoosspphheerree..TToo lliimmiitt tthhiiss ““hhyyddrroossccooppiicc””aaccttiioonn,,tthhee ssyysstteemm sshhoouulldd rreemmaaiinn sseeaalleedd wwhheenneevveerr ppoossssiibbllee..IIff aa ssyysstteemm hhaass bbeeeenn ooppeenn ttoo tthhee aattmmoosspphheerree ffoorr mmoorree tthhaann 44 hhoouurrss,,tthhee ccoommpprreessssoorr ooiill mmuusstt bbee rreeppllaacceedd..NNeevveerr bbrreeaakk aa vvaaccuuuumm wwiitthh aaiirr aanndd aallwwaayyss cchhaannggee tthhee ddrriieerrss wwhheenn ooppeenniinngg tthhee ssyysstteemm ffoorr ccoommppoonneenntt rreeppllaacceemmeenntt..FFoorr ssppeecciiffiicc hhaannddlliinngg ccoonncceerrnnss wwiitthh RR--441100AA aanndd PPOOEE ooiill.. CCAAUUTTIIOONN HHOOTT SSUURRFFAACCEE!! MMaayy ccaauussee mmiinnoorr ttoo sseevveerree bbuurrnniinngg..FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinn pprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy.. DDoo nnoott ttoouucchh ttoopp ooff ccoommpprreessssoorr.. CCAAUUTTIIOONN CCOONNTTAAIINNSS RREEFFRRIIGGEERRAANNTT!! FFaaiilluurree ttoo ffoollllooww pprrooppeerr pprroocceedduurreess ccaann rreessuulltt iinn ppeerrssoonnaall iillllnneessss oorr iinnjjuurryy oorr sseevveerree eeqquuiippmmeenntt ddaammaaggee.. SSyysstteemm ccoonnttaaiinnss ooiill aanndd rreeffrriiggeerraanntt uunnddeerr hhiigghh pprreessssuurree..RReeccoovveerr rreeffrriiggeerraanntt ttoo rreelliieevvee pprreessssuurree bbeeffoorree ooppeenniinngg ssyysstteemm.. CCAAUUTTIIOONN GGRROOUUNNDDIINNGG RREEQQUUIIRREEDD!! FFaaiilluurree ttoo iinnssppeecctt oorr uussee pprrooppeerr sseerrvviiccee ttoooollss mmaayy rreessuulltt iinn eeqquuiippmmeenntt ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy.. RReeccoonnnneecctt aallll ggrroouunnddiinngg ddeevviicceess..AAllll ppaarrttss ooff tthhiiss pprroodduucctt tthhaatt aarree ccaappaabbllee ooff ccoonndduuccttiinngg eelleeccttrriiccaall ccuurrrreenntt aarree ggrroouunnddeedd..IIff ggrroouunnddiinngg wwiirreess,,ssccrreewwss,, ssttrraappss,,cclliippss,,nnuuttss,,oorr wwaasshheerrss uusseedd ttoo ccoommpplleettee aa ppaatthh ttoo ggrroouunndd aarree rreemmoovveedd ffoorr sseerrvviiccee,,tthheeyy mmuusstt bbee rreettuurrnneedd ttoo tthheeiirr oorriiggiinnaall ppoossiittiioonn aanndd pprrooppeerrllyy ffaasstteenneedd.. WWAARRNNIINNGG SSEERRVVIICCEE VVAALLVVEESS!! FFaaiilluurree ttoo ffoollllooww tthhiiss wwaarrnniinngg wwiillll rreessuulltt iinn aabbrruupptt rreelleeaassee ooff ssyysstteemm cchhaarrggee aanndd mmaayy rreessuulltt iinn ppeerrssoonnaall iinnjjuurryy aanndd//oorr pprrooppeerrttyy ddaammaaggee.. EExxttrreemmee ccaauuttiioonn sshhoouulldd bbee eexxeerrcciisseedd wwhheenn ooppeenniinngg tthhee SSuuccttiioonn aanndd LLiiqquuiidd LLiinnee SSeerrvviiccee VVaallvvee.. TTuurrnn vvaallvvee sstteemm ccoouunntteerrcclloocckkwwiissee oonnllyy uunnttiill tthhee sstteemm ccoonnttaaccttss tthhee rroolllleedd eeddggee..NNoo ttoorrqquuee iiss rreeqquuiirreedd.. WWAARRNNIINNGG BBRRAAZZIINNGG RREEQQUUIIRREEDD ——IIFF UUSSIINNGG MMEECCHHAANNIICCAALL CCOONNNNEECCTTIIOONNSS,, EENNSSUURREE LLEEAAKK TTEESSTT IISS NNEEGGAATTIIVVEE!! FFaaiilluurree ttoo iinnssppeecctt lliinneess oorr uussee pprrooppeerr sseerrvviiccee ttoooollss mmaayy rreessuulltt iinn eeqquuiippmmeenntt ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy.. IIff uussiinngg eexxiissttiinngg rreeffrriiggeerraanntt lliinneess mmaakkee cceerrttaaiinn tthhaatt aallll jjooiinnttss aarree bbrraazzeedd,,nnoott ssoollddeerreedd.. WWAARRNNIINNGG HHIIGGHH LLEEAAKKAAGGEE CCUURRRREENNTT!! FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn pprrooppeerrttyy ddaammaaggee,,sseevveerree ppeerrssoonnaall iinnjjuurryy,,oorr ddeeaatthh.. EEaarrtthh ccoonnnneeccttiioonn eesssseennttiiaall bbeeffoorree ccoonnnneeccttiinngg eelleeccttrriiccaall ssuuppppllyy.. WWAARRNNIINNGG WWaarrnniinngg!! TThhiiss pprroodduucctt ccaann eexxppoossee yyoouu ttoo cchheemmiiccaallss iinncclluuddiinngg lleeaadd wwhhiicchh aarree kknnoowwnn ttoo tthhee SSttaattee ooff CCaalliiffoorrnniiaa ttoo ccaauussee ccaanncceerr aanndd bbiirrtthh ddeeffeeccttss oorr ootthheerr rreepprroodduuccttiivvee hhaarrmm.. FFoorr mmoorree iinnffoorrmmaattiioonn ggoo ttoo wwwwww..PP6655WWaarrnniinnggss..ccaa.. ggoovv Page 2 of 28 11-BC42D1-1D-EN 3 Important:If using other than copper pipe,follow manufacturer’s installation instructions.Joints must be brazed or other UL/IMC/URMC approved joint that meets pressure requirements. +VDC -VDC ELECTRICAL HAZARD Failure to follow this warning could result in personal injury or death. WAIT TWO (2) MINUTES after disconnecting power prior to touching electrical components as they may hold a dangerous charge of 40 0VDC, then verify DC Voltage is less than 42 VDC at inverter test points labeled +VDC and -VDC before servicing board. 400 VOLTS WARNING WWAARRNNIINNGG HHAAZZAARRDDOOUUSS VVOOLLTTAAGGEE!! VVoollttaaggee mmaayy bbee pprreesseenntt wwiitthh ppoowweerr ddiissccoonnnneecctteedd dduuee ttoo hhiigghh wwiinnddss ccaauussiinngg ffaann rroottaattiioonn..SSeeee SSeerrvviiccee FFaaccttss oorr TTeecchhnniiccaall MMaannuuaall ffoorr sseerrvviicciinngg iinnssttrruuccttiioonnss.. - VDC & +VDC IImmppoorrttaanntt::It may be necessary to block prevailing winds through unit to stop fan rotation before servicing. Approved Combinations for Variable Speed Units •ACONT850,AZONE950 or AZON1050 •TAM9 •TAM8C •TEM8 •S9V2 Furnace w/Relay Panel •Platinum 95 Furnace •Platinum 80 Furnace •Approved System Accessories NNoottee::See AHRI directory for approved indoor and outdoor model combinations.Only American Standard coils and air handlers/furnaces are approved for use with variable speed outdoor units. IImmppoorrttaanntt::Use caution when cleaning outdoor coil to ensure no water enters the electrical control compartment.When cleaning coil, take special care not to spray water towards the control panel.Water may enter the control compartment and drive damaging the electronics.Disconnect all electric power,including remote disconnects before servicing. Table 1.Operating Range Cooling 45°F to 120°F Heating -10°F to 66°F SSaaffeettyy SSeeccttiioonn--VVSSPPDD SSiiddee DDiisscchhaarrggee Page 3 of 28 4 11-BC42D1-1D-EN Unit Location Considerations ...............5 Setting Up the Unit .......................8 Refrigerant Line Considerations ............9 Refrigerant Line Brazing ...................12 Refrigerant Line Leak Check ..............14 Refrigerant Line and Indoor Coil Evacuation ..............................14 Electrical —Low Voltage ..................15 Service Valves .............................16 LED Indicators —Variable Speed Side Discharge Drive ...........................17 Electrical —High Voltage ..................18 Start Up ...................................19 System Charge Adjustment ...............20 Charging and Correction Charts ...........21 Charging the Unit..........................22 Subcooling Charging Below 55ºF Outdoor Temp.(In Heating Only)..........24 Communicating Display Assembly (CDA)......................................25 Defrost Control (HP Only)................25 Checkout Procedures ......................27 Table of Contents Page 4 of 28 11-BC42D1-1D-EN 5 Unit Location Considerations Table 2.Unit Dimensions (in inches)and Weight Models H x D x W (in)A B C D E F Net Weight (lb) 4A6L9024A1XXX 36.75 x 17 1/2 x 47 32.75 47.0 36.75 17.5 19.5 20.5 204 4A6L9036A1XXX 36.75 x 17 1/2 x 47 32.75 47.0 36.75 17.5 19.5 20.5 226 4A6L9048A1XXX 36.75 x 17 1/2 x 47 32.75 47.0 36.75 17.5 19.5 20.5 245 4A6L9060A1XXX 42.75 x 17 1/2 x 47 32.75 47.0 42.75 17.5 19.5 20.5 245 A .75 7.5 C B F E D 1.50 TYP .43 TYP ACCESS PANEL SERVICE PANEL Page 5 of 28 6 11-BC42D1-1D-EN Table 3.Suggested Locations for Best Reliability •Do not locate close to bedrooms as operational sounds may be objectionable. •Avoid locations near windows and similar areas where condensation and freezing defrost vapor can annoy a customer. •The coil side of the outdoor unit must be a minimum of 6”from any wall or surrounding shrubbery to ensure adequate airflow. Important:When installing multiple units,ensure the discharge air from one unit is not drawn into another unit.When installing single or multiple units in an alcove,roof well, or partially enclosed area,ensure there is adequate ventilation to prevent recirculation of discharge air. Important:If installation is in areas with known prevailing winds in excess of 25 mph,a wind baffle kit is suggested. Min 36” Unrestricted Min. 6” to Solid Structure Airflow Direction Note: 2’ Required for Service Panel Access Service Panel Min. 6” clearance to obstruction (Coil Side) Airflow Direction Min. 36” clearance to obstruction (Fan Side) Voltage hook-up UUnniitt LLooccaattiioonn CCoonnssiiddeerraattiioonnss Page 6 of 28 11-BC42D1-1D-EN 7 Table 3.Suggested Locations for Best Reliability (continued) •A 36”minimum clearance is required on the line voltage electrical service side access panel to any wall or obstruction. •For ease of service maintenance,provide 24”clearance in front of the control box (access panel)and any other side requiring service. A 36” minimum clearance is required from service panel to additional units or other obstructions. A 12” clearance is suggested for obstructions above the unit. Note: 12” clearance not required with stacking kit. A 2” minimum clearance is required to allow for removal of top Table 4.Refrigerant Piping Limits 1.The maximum length of refrigerant lines from outdoor to indoor unit should NOT exceed 150 feet. 2.The maximum vertical change should not exceed 50 feet in most applications. 3.Service valve connection diameters are shown in “Refrigerant Line and Service Valve Connection Size Chart.” Important:Follow subcool charts for specific operation. 50’ Max Vertical Change Standard Line Set 150’ Max Line Length 50’ Max Vertical Change UUnniitt LLooccaattiioonn CCoonnssiiddeerraattiioonnss Page 7 of 28 8 11-BC42D1-1D-EN Table 5.Cold Climate Considerations Note:It is recommended that these precautions be taken for units being installed in areas where snow accumulation and prolonged below-freezing temperatures occur. •Units should be elevated 3–12 inches above the pad or rooftop, depending on local weather.This additional height will allow drainage of snow and ice melted during defrost cycle prior to its refreezing.Ensure that drain holes in unit base pan are not obstructed,preventing drainage of defrost water. •If possible,avoid locations that are likely to accumulate snow drifts.If not possible,a snow drift barrier should be installed around the unit to prevent a build-up of snow on the sides of the unit. Min. 36” clearance to obstruction (Fan Side) Snow Barrier 3-12” Elevation Snow Legs Pad Table 6.Coastal Considerations If installed within one mile of salt water,including seacoasts and inland waterways,models with epoxy coated coils are available.Model numbers with “COT”in the eleventh (11)through thirteenth (13)digits represent epoxy coated coil.These models have an 8 week lead time after order. Setting Up the Unit Table 7.Pad Installation When installing the unit on a support pad,such as a concrete slab, consider the following: •The pad should be at least 1”larger than the unit on all sides. •The pad must be separate from any structure. •The pad must be level. •The pad should be high enough above grade to allow for drainage. •The pad location must comply with National,State,and Local codes. Important: •Unit can be secured to the pad if there is concern of the unit tipping. IImmppoorrttaanntt::HHeeaatt PPuummpp mmooddeellss sshhoouulldd nneevveerr bbee ssttaacckkeedd!! UUnniitt LLooccaattiioonn CCoonnssiiddeerraattiioonnss Page 8 of 28 11-BC42D1-1D-EN 9 Refrigerant Line Considerations Table 8.Factory Charge The outdoor condensing units are factory charged with the system charge required for the outdoor condensing unit,ten (10)feet of tested connecting line,and the smallest rated indoor evaporative coil match.Always verify proper system charge via subcooling (TXV/EEV). Table 9.Refrigerant Line and Service Valve Connection Sizes Rated Line Sizes Alternate Line Sizes Service Valve Connection Sizes Model Vapor Line Liquid Line Vapor Line Liquid Line Vapor Line Connection Liquid Line Connection 4A6L9024A1XXX 5/8 3/8 5/8 3/8 5/8 3/8 4A6L9036A1XXX 3/4 3/8 5/8,3/4 3/8 3/4 3/8 4A6L9048A1XXX 7/8 3/8 3/4,7/8 3/8 7/8 3/8 4A6L9060A1XXX 7/8 3/8 3/4,7/8 3/8 7/8 3/8 Table 10.Required Refrigerant Line Length Determine required line length and lift.You will need this to determine the subcooling charging corrections later in the installation process. Total Line Length =___________________________Ft. Total Vertical Change (lift)=____________________Ft. Line Length Table 11.Refrigerant Line Insulation Important:The Vapor Line must always be insulated.DO NOT allow the Liquid Line and Vapor Line to come in direct (metal to metal)contact. Note:The gas line must always be insulated.Insulating the liquid line through attic spaces may benefit system performance by minimizing heat gain in the liquid line. Liquid Line Vapor Line Insulation Page 9 of 28 10 11-BC42D1-1D-EN Table 12.Reuse Existing Refrigerant Lines CCAAUUTTIIOONN RREEFFRRIIGGEERRAANNTT!! FFaaiilluurree ttoo iinnssppeecctt oorr uussee pprrooppeerr sseerrvviiccee ttoooollss mmaayy rreessuulltt iinn eeqquuiippmmeenntt ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy.. IIff uussiinngg eexxiissttiinngg rreeffrriiggeerraanntt lliinneess mmaakkee cceerrttaaiinn tthhaatt aallll jjooiinnttss aarree bbrraazzeedd,,nnoott ssoollddeerreedd.. For retrofit applications,where the existing indoor evaporator coil and/or refrigerant lines will be used,the following precautions should be taken. •Ensure that the indoor evaporator coil and refrigerant lines are the correct size. •Ensure that the refrigerant lines are free of leaks,acid,and oil. Important:For more information,see publication number SS-APG006–EN Table 13.Refrigerant Line Routing Precautions Important:Comply with National,State,and Local Codes when isolating line sets from joists,rafters,walls,or other structural elements. Important:Take precautions to prevent noise within the building structure due to vibration transmission from the refrigerant lines. For Example: •When the refrigerant lines must be fastened to floor joists or other framing in a structure,use isolation type hangers. •Isolation hangers should also be used when refrigerant lines are run in stud spaces or enclosed ceilings. •Where the refrigerant lines run through a wall or sill,they should be insulated and isolated. •Isolate the lines from all duct work. •Minimize the number of 90°turns. Table 14.Isolation From Joist/Rafter 8 Feet Maximum Side View 8 Feet Maximum Joist/Rafter Isolator Line Set Secure Vapor Line from joists using isolators every 8 ft.Secure Liquid Line directly to insulated Vapor Line using tape,wire,or other appropriate method every 8 ft. RReeffrriiggeerraanntt LLiinnee CCoonnssiiddeerraattiioonnss Page 10 of 28 11-BC42D1-1D-EN 11 Table 15.Isolation In Wall Spaces Side View Isolator Line Set 8 Feet Maximum Wall 8 Feet Maximum Secure Vapor Line from joists using isolators every 8 ft.Secure Liquid Line directly to insulated Vapor Line using tape,wire,or other appropriate method every 8 ft. Table 16.Isolation Through Wall Wall Sealant Insulation Vapor Line Duct Work Isolator Line Set DO NOT hang line sets from duct work RReeffrriiggeerraanntt LLiinnee CCoonnssiiddeerraattiioonnss Page 11 of 28 12 11-BC42D1-1D-EN Refrigerant Line Brazing Table 17.Braze the Refrigerant Lines 1.Remove caps or plugs.Use a deburring tool to debur the pipe ends.Clean both internal and external surfaces of the tubing using an emery cloth. 2.Remove the pressure tap cap and valve core from each service valve. 3.Purge the refrigerant lines and indoor coil with dry nitrogen. Page 12 of 28 11-BC42D1-1D-EN 13 Table 17.Braze the Refrigerant Lines (continued) 4.Wrap a wet rag around the valve body to avoid heat damage and continue the dry nitrogen purge. 5.Braze the refrigerant lines to the service valves. a.For Units shipped with a field-installed external drier,check liquid line filter drier’s directional flow arrow to confirm correct direction of refrigeration flow (away from outdoor unit and toward evaporator coil)as illustrated.Braze the filter drier to the Liquid Line. 6.Continue the dry nitrogen purge.Do not remove the wet rag until all brazing is completed. Important:Remove the wet rag before stopping the dry nitrogen purge. Note:Precautions should be taken to avoid heat damage to base pan during brazing.It is recommended to keep the flame directly off of the base pan. 3-4” from valve 7.Replace the pressure tap valve cores after the service valves have cooled. RReeffrriiggeerraanntt LLiinnee BBrraazziinngg Page 13 of 28 14 11-BC42D1-1D-EN Refrigerant Line Leak Check Table 18.Check for Leaks 1.Pressurize the refrigerant lines and evaporator coil to 150 PSIG using dry nitrogen. 150 PSIG 2.Check for leaks by using a soapy solution at each brazed location. Note:Remove nitrogen pressure and repair any leaks before continuing. Refrigerant Line and Indoor Coil Evacuation IImmppoorrttaanntt::Do not open the service valves until the refrigerant lines and indoor coil leak check and evacuation are complete. 1.Evacuate until the micron gauge reads no higher than 350 microns,then close off the valve to the vacuum pump. 0350 Microns ON OFF 2.Observe the micron gauge.Evacuation is complete if the micron gauge does not rise above 500 microns in one (1)minute. 3.When evacuation is complete,blank off the vacuum pump and micron gauge,and close the valves on the manifold gauge set. 1 MIN. RReeffrriiggeerraanntt LLiinnee BBrraazziinngg Page 14 of 28 11-BC42D1-1D-EN 15 Electrical —Low Voltage Note:The use of color coded low voltage wire is recommended to simplify connections between the outdoor unit,the control,and the indoor unit. Note:The maximum total cable length for the entire comfort control communicating system is 500 ft.18 AWG. Table 19.Low Voltage Maximum Wire Length CONTROL WIRING WIRE SIZE MAX.WIRE LENGTH 18 AWG 500 Ft.Combined Table 20.Low Voltage Hook-up Diagrams Communicating Comfor t Control W1 W2 W3 G Y2 B O BK D Y1 R Field wiring Brown Brown Blue Red B - Blue D - Note 3 D R B Note 1 & Note 2 Red RED Only used for Load Shed (Cap off if not used) Communicating Indoor Unit Note 4 Note 5 Communicating Outdoor Unit 1.In communicating mode,unused terminals are non-functional.Do not use. 2.Terminals present will vary by indoor model. 3.“D”is the data line.Installer to select a wire color. 4.If a 3rd party condensate overflow switch is installed,it should be wired in series with R to the thermostat or connected to the External Switch terminals on the AFC.See External Switch wiring section in the air handler Installer’s Guide. 5.Wire present only on Variable Speed Outdoor Units. Note:Anti-oxidizing grease is supplied in the documentation package for use when making low voltage field wiring connections at the outdoor unit.Apply grease to field wiring before installing wire caps to protect these connections from corrosion. Page 15 of 28 16 11-BC42D1-1D-EN Service Valves Table 21.Open the Gas Service Valve Important:Leak check and evacuation must be completed before opening the service valves. Note:Do not vent refrigerant gases into the atmosphere. 1.Remove valve stem cap. 2.Using a wrench,turn valve stem 1/4 turn counterclockwise to the fully open position. 3.Replace the valve stem cap to prevent leaks.Tighten finger tight plus an additional 1/4 turn. Cap 1/4 Turn Only Counterclockwise for Full Open Position Valve Stem Unit Side of Valve Pressure Tap Port Gas Line Connection Table 22.Open the Liquid Service Valve WWAARRNNIINNGG SSEERRVVIICCEE VVAALLVVEESS!! FFaaiilluurree ttoo ffoollllooww tthhiiss wwaarrnniinngg wwiillll rreessuulltt iinn aabbrruupptt rreelleeaassee ooff ssyysstteemm cchhaarrggee aanndd mmaayy rreessuulltt iinn ppeerrssoonnaall iinnjjuurryy aanndd//oorr pprrooppeerrttyy ddaammaaggee.. EExxttrreemmee ccaauuttiioonn sshhoouulldd bbee eexxeerrcciisseedd wwhheenn ooppeenniinngg tthhee SSuuccttiioonn aanndd LLiiqquuiidd LLiinnee SSeerrvviiccee VVaallvvee..TTuurrnn vvaallvvee sstteemm ccoouunntteerrcclloocckkwwiissee oonnllyy uunnttiill tthhee sstteemm ccoonnttaaccttss tthhee rroolllleedd eeddggee..NNoo ttoorrqquuee iiss rreeqquuiirreedd.. Important:Leak check and evacuation must be completed before opening the service valves. 4.Remove service valve cap. 5.Fully insert 3/16”hex wrench into the stem and back out counterclockwise until valve stem just touches the rolled edge (approximately five (5)turns). 6.Replace the valve cap to prevent leaks.Tighten finger tight plus an additional 1/4 turn. Cap 3/16” Hex Wrench Rolled Edge to Captivate Stem Hex Headed Valve System Service Port Unit Side of Service Valve Page 16 of 28 11-BC42D1-1D-EN 17 LED Indicators —Variable Speed Side Discharge Drive LLEEDD’’SS LED RATE DESCRIPTION INDICATION STATUS (GREEN) SLOW 1 TIME PER SECOND STANDBY/IDLE MEDIUM 2 TIMES PER SECOND CALL FOR CAPACITY FAST 5 TIMES PER SECOND POWER UP DELAY SOLID ON TEST MODE INTERMITTENT 1 FLASH EVERY 4 SECONDS HARD LOCKOUT LED RATE DESCRIPTION INDICATION COMM (AMBER) SLOW 1 TIME PER DEVICE DEVICE COUNT FAST 5 TIME PER SECOND LOSS OF COMMUNICATION Page 17 of 28 18 11-BC42D1-1D-EN Electrical —High Voltage Table 23.High Voltage Power Supply WWAARRNNIINNGG LLIIVVEE EELLEECCTTRRIICCAALL CCOOMMPPOONNEENNTTSS!! FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn pprrooppeerrttyy ddaammaaggee,,sseevveerree ppeerrssoonnaall iinnjjuurryy,,oorr ddeeaatthh.. FFoollllooww aallll eelleeccttrriiccaall ssaaffeettyy pprreeccaauuttiioonnss wwhheenn eexxppoosseedd ttoo lliivvee eelleeccttrriiccaall ccoommppoonneennttss..IItt mmaayy bbee nneecceessssaarryy ttoo wwoorrkk wwiitthh lliivvee eelleeccttrriiccaall ccoommppoonneennttss dduurriinngg iinnssttaallllaattiioonn,,tteessttiinngg,,sseerrvviicciinngg,,aanndd ttrroouubblleesshhoooottiinngg ooff tthhiiss pprroodduucctt.. The high voltage power supply must agree with the equipment nameplate. Power wiring must comply with national,state,and local codes. Follow instructions on unit wiring diagram located on the inside of the control box cover. Table 24.High Voltage Disconnect Switch WWAARRNNIINNGG HHIIGGHH LLEEAAKKAAGGEE CCUURRRREENNTT!! FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinn pprrooppeerrttyy ddaammaaggee,,sseevveerree ppeerrssoonnaall iinnjjuurryy,,oorr ddeeaatthh.. EEaarrtthh ccoonnnneeccttiioonn eesssseennttiiaall bbeeffoorree ccoonnnneeccttiinngg eelleeccttrriiccaall ssuuppppllyy.. Install a separate disconnect switch at the outdoor unit. For high voltage connections,flexible electrical conduit is recommended whenever vibration transmission may create a noise problem within the structure. WWAARRNNIINNGG HHAAZZAARRDDOOUUSS VVOOLLTTAAGGEE!! VVoollttaaggee mmaayy bbee pprreesseenntt wwiitthh ppoowweerr ddiissccoonnnneecctteedd dduuee ttoo hhiigghh wwiinnddss ccaauussiinngg ffaann rroottaattiioonn..SSeeee SSeerrvviiccee FFaaccttss oorr TTeecchhnniiccaall MMaannuuaall ffoorr sseerrvviicciinngg iinnssttrruuccttiioonnss.. Table 25.High Voltage Disconnect Switch Ground the outdoor unit per national,state,and local code requirements. Page 18 of 28 11-BC42D1-1D-EN 19 Start Up 1.Ensure you have completed the following sections.“Refrigerant Line Brazing,”p.12 through “,”. 2.Set System Thermostat to OFF. 3.Turn on disconnect(s)to apply power to the indoor and outdoor units. ON OFF 4.Wait 3 hours before starting the unit if the outdoor ambient temperature is below 85°F. 3 HRS 5.Run the system using the “Charging Mode-Cooling”test mode found in the 850/950/1050 comfort control.This is the only approved method for setting the system charge level by subcooling. Follow the on-screen prompts. Important:ENSURE INDOOR BLOWER IS CONFIGURED FOR 400 CFM/TON Page 19 of 28 20 11-BC42D1-1D-EN System Charge Adjustment Table 26.Temperature Measurements Check the outdoor temperatures. Subcooling using “Charging Mode-Cooling”is the only recommended method of charging between 55 °F and 120°F ambient outdoor temperature. 120° F 55° F For best results the indoor temperature should be kept between 70°F to 80°F.80° F 70° F Table 27.Subcooling Charging Corrections Determine the final subcooling value using total Line Length and Lift measured in “Required Refrigerant Line Length”and the “Subcooling Charging Corrections Charts.” Subcooling Charging Correction Worksheet Total Line Length (ft)________________________ Total Vertical Charge (lift)________________________ (Values from —Required Refrigerant Line Length) Design Subcooling Value ________________________ (from nameplate or Service Facts) Final Subcooling Value ________________________ Note:The only mode approved for setting or validating system charge is using Charging Mode-Cooling.Charging Mode-Cooling is a variable speed test mode found in the 850/950/1050 comfort control Technician Menu.Outdoor Temperature must be between 55°F and 120°F with Indoor Temperature kept between 70°F and 80°F. Important:VARIABLE SPEED OUTDOOR UNITS REQUIRE THE INDOOR UNIT BE CONFIGURED FOR 400 CFM/TON Page 20 of 28 11-BC42D1-1D-EN 21 Charging and Correction Charts R-410A REFRIGERANT CHARGING CHART LIQUID TEMP (°F) DESIGN SUBCOOLING (°F) 8 9 10 11 12 13 14 LIQUID GAGE PRESSURE (PSI) 55 179 182 185 188 191 195 198 60 195 198 201 204 208 211 215 65 211 215 218 222 225 229 232 70 229 232 236 240 243 247 251 75 247 251 255 259 263 267 271 80 267 271 275 279 283 287 291 85 287 291 296 300 304 309 313 90 309 313 318 322 327 331 336 95 331 336 341 346 351 355 360 100 355 360 365 370 376 381 386 105 381 386 391 396 402 407 413 110 407 413 418 424 429 435 441 115 435 441 446 452 458 464 470 120 464 470 476 482 488 495 501 125 495 501 507 514 520 527 533 Table 28.Subcool Charging Correction Charts Important:VARIABLE SPEED OUTDOOR UNITS REQUIRE THE INDOOR UNIT BE CONFIGURED FOR 400 CFM/TON 50 40 30 25 15 10 0 20 30 40 50 60 70 80 90 100 110 120 130 140 150 TOTAL REFRIGERANT LINE LENGTH (FEET) 2.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE) Add 1° Use Design Subcooling 50 40 30 25 15 10 0 20 30 40 50 60 70 80 90 100 110 120 130 140 150 TOTAL REFRIGERANT LINE LENGTH (FEET) 3.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE) Add 1° Use Design Subcooling 50 40 30 25 15 10 0 20 30 40 50 60 70 80 90 100 110 120 130 140 150 4.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE) TOTAL REFRIGERANT LINE LENGTH (FEET) Add 2° Add 1° Use Design Subcooling Add 1° 50 40 1° 30 1°2° 25 1° 15 1°2° 10 1°2° 0 1° 20 30 40 50 60 70 80 90 100 110 120 130 140 150 5.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE) TOTAL REFRIGERANT LINE LENGTH (FEET) Use Design Subcooling Not allowed Page 21 of 28 22 11-BC42D1-1D-EN Charging the Unit Table 29.Stabilize the system 1.Wait 20 minutes for the system condition to stabilize between adjustments. Note:When the Liquid Line Temperature and Gage Pressure approximately match the chart,the system is properly charged. 2.Remove gauges. 3.Replace service port caps to prevent leaks.Tighten finger tight plus an additional 1/4 turn. 20 MIN. Table 30.Proper Gage Pressure Measure the liquid line temperature and pressure at the outdoor unit’s service valve. Measure Liquid Line Temp =________________________°F Liquid Gage Pressure =________________________PSI Final Subcooling Value =________________________°F 107 °F Table 31.Verify Performance 4.Refer to System Pressure Curves in the Service Facts document to verify typical performance. PRESSURE CURVE SAMPLE Cooling @ 1450 SCFM Heating @ 1350 SCFM DISCHARGE PRESSURE (PSIG) OUTDOOR TEMPERATURE (Degree F) SUCTION PRESSURE (PSIG) 110 115 120 125 130 135 140 145 150 155 160 165 170 40 60 80 100 120 200 250 300 350 400 450 500 550 40 60 80 100 120 (1) (1) (3) (3) (5) (4) (2) (2) INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F. INDOOR ENTERING WET BULB CURVES TOP TO BOTTOM 71, 67, 63 AND 59 DEG F. 30 40 50 60 70 80 90 100 110 120 130 140 -5 5 15 25 35 45 55 65 200 250 300 350 400 450 500 -5 5 15 25 35 45 55 65 INDOOR ENTERING DRY BULB CURVES TOP TO BOTTOM 80, 70, AND 60 DEG F. INDOOR ENTERING DRY BULB CURVES TOP TO BOTTOM 80, 70, AND 60 DEG F. Page 22 of 28 11-BC42D1-1D-EN 23 Table 32.Proper Gage Pressure Using the “System Charge Adjustment,”p.20 adjust refrigerant level to attain proper gage pressure. Add refrigerant if the Liquid Gage Pressure is lower than the chart value. 5.Connect gauges to refrigerant bottle and unit as illustrated. 6.Purge all hoses. 7.Open bottle. 8.Stop adding refrigerant when liquid line temperature and Liquid Gage Pressure match the charging chart. Note:Recover refrigerant if the Liquid Gage Pressure is higher than the chart value. 107 °F Table 33.System Information 9.Record system pressures and temperatures after charging is complete. Outdoor model number =________________________ Measured Outdoor Ambient =________________________°F Measured Indoor Ambient =________________________°F Measured Liquid Line Temp =________________________°F Measured Suction Line Temp =________________________°F Indoor Wet Bulb =________________________°F Liquid Gage Pressure =________________________PSIG Suction Gage Pressure =________________________PSIG CChhaarrggiinngg tthhee UUnniitt Page 23 of 28 24 11-BC42D1-1D-EN Subcooling Charging Below 55ºF Outdoor Temp.(In Heating Only) Table 34.Subcooling Charging Below 55ºF Outdoor Temp.(In Heating Only) The Subcooling Charging method in cooling is not recommended below 55ºF outdoor temperature. The only recommended method of charging at outdoor temperatures below 55ºF is weighing in the charge in heating mode and referencing the refrigerant pressure curves for typical performance. STEP 1 -Determine additional charge. Note:The nameplate charge value represents the amount of refrigerant shipped in the outdoor unit and is compatible with 10 feet of AHRI rated refrigerant lines and the smallest AHRI rated coil. Weigh-In Method can be used for the initial installation,or anytime a system charge is being replaced.Weigh-In Method can also be used when power is not available to the equipment site or operating conditions (indoor/outdoor temperatures)are not in range to verify with the subcooling charging method. Using the method below,find the charge associated with the additional length of tubing above 10 ft.and record it below. Calculating Charge Using the Weigh-In Method 1.Measure in feet the distance between the outdoor unit and the indoor unit.(Include the entire length of the line from the service valve to the IDU.)Subtract 10 ft from this entire length and record on line 1. 2.Enter the charge multiplier (0.6 oz/ft).Each linear foot of interconnecting tubing requires the addition of 0.6 oz of refrigerant. 3.Multiply the total length of refrigerant tubing (Line 1)times the value on Step 2.Record the result on Line 3 of the Worksheet. 4.This is the amount of refrigerant to weigh-in prior to opening the service valves. 1.Total Line length (ft)–10 ft _______________ 2.Charge multiplier x ____0.6 oz______ 3.Step 1 x Step 2 =______________ 4.Refrigerant (oz)=______________ STEP 2 -Stabilize the system by operating for a minimum of 20 minutes. At startup,or whenever charge is removed or added,the system must be operated for a minimum of 20 minutes to stabilize before accurate measurements can be made. 20 MIN. STEP 3 -Check the liquid line temperature and liquid gage pressure to obtain a minimum of 10ºsubcooling in heating mode. Measured Liquid Line Temp =__________ºF Liquid Gage Pressure =__________PSIG STEP 4 -Add charge if a minimum of 10ºsubcooling is not obtained with the namplate charge plus additional charge previously added. STEP 5 -Return to site for adjustment. Important:Return in the spring or summer to accurately charge the system in the cooling mode with outdoor ambient above 55ºF. Page 24 of 28 11-BC42D1-1D-EN 25 Communicating Display Assembly (CDA) 1. External shut down (Load Shed) 2. Min. Airow 3. Blower on/oÄ delays 4. Custom Airow 5. PFC (Power Factor Correction) 1. FRC DFT (Forced Defrost) 2. EEV Test 3. Evacuation 4. Drive Diagnostic Test 5. OD Fan Test TECHNICIAN MENUS SYSTEM STATUS XXXXXXXXXXXXXXXX NAVIGATION • To enter and exit Technician Menus, press the Up/Down buttons simultaneously for 5 seconds. • To return to the Home Screen, press the Up/Down buttons simultaneously for 5 seconds. • To return to the top level of any menu, press the Left/Right buttons simultaneously for 5 seconds. • After !ve minutes of inactivity in the Technician Menu section, the Home Screen will be displayed. Pressing the Enter button for 5 seconds will increase this time to 20 minutes. ALERT HISTORY MENUALERT MENU CONFIG MENU CONTROL MENUMONITOR MENU The Monitor Menu displays information on System status, Drive stats and the System Tachome- ter. The Alert History menu displays alerts stored over time. Note that clearing Alert History will also clear Active Alerts. The Alert Menu displays active alerts. The Con!guration Menu is where System parame- ters and options are set and reported. The Control Menu contains a selection of unit function tests that are used to verify opera- tion. Defrost Control (HP Only) DDeemmaanndd DDeeffrroosstt The demand defrost control measures heat pump outdoor ambient temperature with a sensor located outside the outdoor coil.A second sensor located on the outdoor coil is used to measure the coil temperature.The difference between the ambient and the colder coil temperature is the difference or delta-T measurement.This delta-T measurement is representative of the operating state and relative capacity of the heat pump system.By measuring the change in delta-T,we can determine the need for defrost.The coil sensor also serves to sense outdoor coil temperature for termination of the defrost cycle. FFaauulltt IIddeennttiiffiiccaattiioonn A fault condition is indicated by the CDA connected to the control board inside the heat pump control box. DDeeffrroosstt EEnnaabblleedd Demand Defrost is enabled with the following inputs to the drive:: •Outdoor ambient temperature sensor (ODS-B) reporting an outdoor temperature at or below 52°F. •Coil temperature sensor (CBS)reporting a coil temperature at or below 32°F. •Heat/Cool Demand (HCD)from the communicating comfort control for at least two minutes or more. DDeeffrroosstt IInniittiiaattiioonn The calculated temperature difference between the outdoor temperature sensor and the coil temperature sensor is called Delta T.Defrost can occur once the current Delta T exceeds the Delta T initiate value..This adaptive logic assures a complete defrost for a range of outdoor temperatures. NNoottee::There are three (3)defrost termination temperature selections available in the Configure Menu.Factory is set to 47°F,medium is 53°F,and high is 60°F. CCDDAA NNaavviiggaattiioonn ttoo FFoorrcceedd DDeeffrroosstt Figure 1.CANda Mini Menu FRC DFT PRESS ENTER TEST IN PROGRESS CTS <value> TEST COMPLETE CONTROL MENU CONFIG MENU MONITOR MENU NNOOTTEESS::FFoorrcceedd DDeeffrroosstt Page 25 of 28 26 11-BC42D1-1D-EN 1.System must be running with demand from the thermostat. 2.FRC DFT TEST can be initiated in heat mode only. 3.Press ENTER to begin forced defrost. 4.Execute Forced Defrost following Forced Defrost (Defrost terminates on Coil Temperature or maximum time override of 15 minutes). 5.When test begins,TEST IN PROGRESS displays on line 1 and Coil Temperature value on line 2. NNoottee::Home Screen,under System Status will display DEFROST. 6.When test is complete,TEST COMPLETE displays for 10 seconds. 7.If there is a defrost fault condition,test terminates and sends alert to the alert menu. 8.For more information,refer to the Alert Code Tables in Service Facts and Technical Service Manual (Pub. No.34–4103–04)documents. NNoottee::Screens will update as the test proceeds. NNoottee::For Variable Speed Side Discharge models, Forced Defrost is selected either in the CDA or from the FRC DFT button on the VSPD Side Discharge AOC. Figure 2.Force Defrost Button CCoommmmuunniiccaattiinngg DDiissppllaayy AAsssseemmbbllyy ((CCDDAA)) Page 26 of 28 11-BC42D1-1D-EN 27 Checkout Procedures The final phase of the installation is the system Checkout Procedures.The following list represents the most common items covered in a Checkout Procedure.Confirm all requirements in this document have been met. ☐All wiring connections are tight and properly secured. ☐Voltage and running current are within limits. ☐All refrigerant lines (internal and external to equipment)are isolated,secure,and not in direct contact with each other or structure. ☐All braze connections have been checked for leaks.A vacuum of 350 microns provides confirmation that the refrigeration system is leak free and dry. ☐Final unit inspection to confirm factory tubing has not shifted during shipment.Adjust tubing if necessary so tubes do not rub against each other or any component when unit runs. ☐Ductwork is sealed and insulated. ☐All drain lines are clear with joints properly sealed.Pour water into drain pan to confirm proper drainage.Provide enough water to ensure drain trap is primed. ☐Supply registers and return grilles are open,unobstructed,and air filter is installed. ☐Indoor blower and outdoor fan are operating smoothly and without obstruction. ☐Indoor blower motor set on correct speed setting to deliver required CFM.“Blower and fan set screws are tight.” ☐Cover panels are in place and properly tightened. ☐For gas heating systems,manifold pressure has been checked and all gas line connections are tight and leak free. ☐For gas heating systems,flue gas is properly vented. ☐System functions safely and properly in all modes. ☐Owner has been instructed on use of system and given manual. Page 27 of 28 About American Standard Heating and Air Conditioning American Standard has been creating comfortable and affordable living environments for more than a century.For more information,please visit www.americanstandardair.com. The AHRI Certified mark indicates company participation in the AHRI Certification program.For verification of individual certified products,go to ahridirectory.org. The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice.We are committed to using environmentally conscious print practices. 11-BC42D1-1D-EN 08 Oct 2021 Supersedes 11-BC42D1-1C-EN (March 2020)©2021 American Standard Heating and Air Conditioning Page 28 of 28 !"!%& '()*+" ,-.()/-(03& 4,),56.)*6)708"9:!0();0,-!1<<== >?9.70@CAD EF/09,6G@(GHB#3% !I(/: /F,*J#3 ??K2 L,IM/9*N8,0I,;O-6M#PQ#R ),S.,(9LEML/)*9(00();TEI)(-,I,L0(-,M,)9U2V#3 ?OVX #PC#= #3 Z[%]#V ^_,*/;,)9/(0` B#< `==V< >Ka= !"!CV= !b 7=c3<# "())(."(I;S/-F;;I,** ,:(0,*-I/L9/6) bS),I(M, bS),I7.6), Hfbf bZ f b" >+ 96I 7I/M(Ih!6)9(-9 7.6), ;;I,** !6)9I(-96IhL, /-,)*,0EM8/)::();?? >?9.70@ !bi!b!b!b!6)*9IE-9/6)!6)9I(-96I4 !"#$#%&$#% '(%$) #*+,,-& $ #/1' ( !23 /( !23 . &* 56789% HIJKLJMNOPQRJS. 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