Carrier WeatherMaker 48FC04-07 Installation Instructions Manual

Carrier WeatherMaker 48FC04-07 Installation Instructions Manual Manual pdf 1 page image

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 04-53480209-01 Printed in U.S.A. Form 48FC-4-7-01SI Pg 1 1018 8-18 Replaces: NEWInstallation InstructionsCONTENTSPageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . .1MODEL NUMBER NOMENCLATURE ANDDIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2Rated Indoor Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7Jobsite Survey. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7Step 1 — Plan for Unit Location. . . . . . . . . . . . . . . . . . .7• ROOF MOUNTStep 2 — Plan for Sequence of Unit Installation. . .7• CURB-MOUNTED INSTALLATION• PAD-MOUNTED INSTALLATION• FRAME-MOUNTED INSTALLATIONStep 3 — Inspect Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . .7Step 4 — Provide Unit Support . . . . . . . . . . . . . . . . . . .7• ROOF CURB MOUNT• SLAB MOUNT (HORIZONTAL UNITS ONLY)• ALTERNATE UNIT SUPPORT (IN LIEU OF CURBOR SLAB MOUNT)Step 5 — Field Fabricate Ductwork . . . . . . . . . . . . . . .9Step 6 — Rig and Place Unit . . . . . . . . . . . . . . . . . . . . . .9• POSITIONING ON CURBStep 7 — Convert to Horizontal and ConnectDuctwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10Step 8 — Install Outside Air Hood . . . . . . . . . . . . . . .11• ECONOMIZER AND TWO-POSITION DAMPERHOOD PACKAGE REMOVAL AND SETUP(FACTORY OPTION)• ECONOMIZER AND TWO-POSITION HOODStep 9 — Units with Hinged Panels Only . . . . . . . . .12Step 10 — Install Flue Hood . . . . . . . . . . . . . . . . . . . . .12Step 11 — Install Gas Piping. . . . . . . . . . . . . . . . . . . . .13• FACTORY-OPTION THRU-BASE CONNECTIONS(GAS CONNECTIONS)Step 12 — Install External Condensate Trapand Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15Step 13 — Make Electrical Connections . . . . . . . . 16• FIELD POWER SUPPLY• UNITS WITH FACTORY-INSTALLED NON-FUSEDDISCONNECT• UNITS WITHOUT FACTORY-INSTALLEDNON-FUSED DISCONNECT• ALL UNITS• CONVENIENCE OUTLETS• FACTORY-OPTION THRU-BASE CONNECTIONS(ELECTRICAL CONNECTIONS)• UNITS WITHOUT THRU-BASE CONNECTIONS(ELECTRICAL CONNECTIONS)• FIELD CONTROL WIRING• THERMOSTAT• HEAT ANTICIPATOR SETTINGS• HUMIDI-MIZER ® CONTROL CONNECTIONS• TYPICAL UNIT WIRING DIAGRAMSIntegrated Gas Controller . . . . . . . . . . . . . . . . . . . . . . .25EconoMi$er ® X (Factory Option) . . . . . . . . . . . . . . . . .27PageRTU Open Controller (Factory Option). . . . . . . . . . . 41SystemVu™ Controller (Factory Option) . . . . . . . . 41Controller Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41• LOW AMBIENTSmoke Detectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Step 14 — Adjust Factory-Installed Options . . . . . 42Step 15 — Install Accessories . . . . . . . . . . . . . . . . . . . 42Step 16 — Fan Speed Set Up . . . . . . . . . . . . . . . . . . . . 43START-UP CHECKLIST. . . . . . . . . . . . . . . . . . . . . . . .CL-1SAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service,maintenance, or use can cause explosion, fire, electricalshock or other conditions which may cause personal injury orproperty damage. Consult a qualified installer, service agen-cy, or your distributor or branch for information or assistance.The qualified installer or agency must use factory-authorizedkits or accessories when modifying this product. Refer to theindividual instructions packaged with the kits or accessorieswhen installing.Follow all safety codes. Wear safety glasses and workgloves. Use quenching cloths for brazing operations and havea fire extinguisher available. Read these instructions thor-oughly and follow all warnings or cautions attached to theunit. Consult local building codes and appropriate nationalelectrical codes (in USA, ANSI/NFPA70, National ElectricalCode (NEC); in Canada, CSA C22.1) for special require-ments.It is important to recognize safety information. This is thesafety-alert symbol . When you see this symbol on theunit and in instructions or manuals, be alert to the potentialfor personal injury.Understand the signal words DANGER, WARNING,CAUTION, and NOTE. These words are used with the safety-alert symbol. DANGER identifies the most serious hazardswhich will result in severe personal injury or death. WARNINGsignifies hazards which could result in personal injury or death.CAUTION is used to identify unsafe practices, which may resultin minor personal injury or product and property damage. NOTEis used to highlight suggestions which will result in enhanced in-stallation, reliability, or operation.WARNINGElectrical shock can cause personal injury and death. Shutoff all power to this equipment during installation and ser-vice. There may be more than one disconnect switch. Tagall disconnect locations to alert others not to restore poweruntil work is completed.WeatherMaker ®48FC04-07 Single Package RooftopGas Heating/Electric Cooling Unitwith Puron ® (R-410A) Refrigerant