[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-1-en-105":3,"doc-seo-253829-105":53,"doc-detail-253829-en":126},{"code":4,"msg":5,"data":6},0,"success",[7,14,19,24,29,34,39,44,49],{"id":8,"doc_module":9,"doc_module_name":10,"category_name":11,"show_sort_weight":12,"slug":13},11,1,"Template","Presentations",90,"presentations",{"id":15,"doc_module":9,"doc_module_name":10,"category_name":16,"show_sort_weight":17,"slug":18},12,"Resumes",80,"resumes",{"id":20,"doc_module":9,"doc_module_name":10,"category_name":21,"show_sort_weight":22,"slug":23},14,"Invoices",70,"invoices",{"id":25,"doc_module":9,"doc_module_name":10,"category_name":26,"show_sort_weight":27,"slug":28},15,"Posters",60,"posters",{"id":30,"doc_module":9,"doc_module_name":10,"category_name":31,"show_sort_weight":32,"slug":33},16,"Social Media",50,"social-media",{"id":35,"doc_module":9,"doc_module_name":10,"category_name":36,"show_sort_weight":37,"slug":38},17,"Forms",40,"forms",{"id":40,"doc_module":9,"doc_module_name":10,"category_name":41,"show_sort_weight":42,"slug":43},18,"Letters",30,"letters",{"id":45,"doc_module":9,"doc_module_name":10,"category_name":46,"show_sort_weight":47,"slug":48},21,"Paper Templates",5,"papers-templates",{"id":50,"doc_module":9,"doc_module_name":10,"category_name":51,"show_sort_weight":4,"slug":52},158,"General","general-158",{"code":4,"msg":54,"data":55},"ok",{"site_id":56,"language":57,"slug":58,"title":59,"keywords":60,"description":61,"schema_data":62,"social_meta":119,"head_meta":121,"extra_data":123,"updated_unix":125},105,"en","start-up-checklist-packed-gas-heat-electric-cool","Start-Up Checklist - Packed Gas Heat Electric Cool","","This checklist provides a structured start-up and verification procedure for a packaged HVAC system. It guides technicians through preliminary checks, pre-start-up inspections (electrical connections, gas and refrigerant leak checks, condensate and flue/air hood installation, filtration, alignment, correct rotation, and charge verification), then captures measured operating values during start-up in cooling and heating modes. A dedicated humidifier start-up section outlines jumper handling, control switching steps, expected pressure and temperature changes, solenoid behaviors, and setpoint restoration for repeatable operation.",{"@graph":63,"@context":118},[64,80,101],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":36,"@type":70,"position":76},"https://docshare.wps.com/template/forms/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/start-up-checklist-packed-gas-heat-electric-cool/253829/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/start-up-checklist-packed-gas-heat-electric-cool/253829.png","ImageObject",442,249,{"name":88,"@type":89},"Jake","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-30","2026-09-13",true,{"@type":98,"interactionType":99,"userInteractionCount":25},"InteractionCounter",{"@type":100},"ViewAction",{"@type":102,"mainEntity":103},"FAQPage",[104,110,114],{"name":105,"@type":106,"acceptedAnswer":107},"What pre-start-up items must be verified before starting the unit?","Question",{"text":108,"@type":109},"Verify jobsite voltage, confirm packaging materials are removed, ensure outdoor air hood and flue hood installation, check condensate connection, inspect refrigerant and gas piping for leaks, verify electrical connections, and confirm unit level and correct fan/compressor installation and alignment.","Answer",{"name":111,"@type":106,"acceptedAnswer":112},"What measurements should be recorded during the start-up phase?",{"text":113,"@type":109},"Record blower external static pressure, return and supply air static pressures, blower wheel RPM, temperatures for outdoor and return air, and cooling/heating supply air conditions, along with relevant pressure readings in cooling and heating modes.",{"name":115,"@type":106,"acceptedAnswer":116},"How is humidifier start-up performed and what are the expected observations?",{"text":117,"@type":109},"Cut and open required jumpers, open humidistat contacts, start unit in cooling, then observe suction/discharge pressures and temperatures. Switch to high-latent (subcooler) and dehumid (reheat) modes while monitoring pressure changes, liquid temperature drops/returns, and LSV/DSV solenoid energization, then close/open controls to restore setpoints.","https://schema.org",{"og:url":78,"og:type":120,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":122,"canonical":78},"index,follow",{"doc_id":124,"site_id":56},253829,1789270804,{"code":4,"msg":5,"data":127},{"doc_id":124,"user_id":128,"nickname":88,"user_avatar":129,"doc_module":9,"category_id":35,"category_name":36,"doc_title":59,"doc_description":61,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":25,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":79,"language":135,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":136,"faqs":137,"seo_title":138,"seo_description":61,"update_tm":125,"read_time":73},962084928904,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","PACKAGED  \nGAS HEAT ELECTRIC COOL  \nStart--Up Checklist  \nSTART-UP CHECKLIST  \n(Remove and Store in Job File)  \nI. PRELIMINARY INFORMATION  \nMODEL NO.:   SERIAL NO.:    \nDATE:   TECHNICIAN:    \nII. PRE-START-UP (insert checkmark in box as each item is completed)  \nj VERIFY THAT JOBSITE VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE  \nj VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT  \nj VERIFY INSTALLATION OF OUTDOOR AIR HOOD  \nj REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS j VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS  \nj VERIFY THAT FLUE HOOD IS INSTALLED  \nj CHECK REFRIGERANT PIPING FOR INDICATIONS OF LEAKS; INVESTIGATE AND REPAIR IF NECESSARY j CHECK GAS PIPING FOR LEAKS  \nj CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS  \nj VERIFY GAS PRESSURE TO UNIT GAS VALVE IS WITHIN SPECIFIED RANGE  \nj CHECK THAT INDOOR AIR RETURN AIR FILTERS ARE CLEAN AND IN PLACE  \nj CHECK THAT OUTDOOR AIR INLET SCREENS ARE IN PLACE  \nj VERIFY THAT UNIT INSTALLATION IS LEVEL  \nj CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW  \nTIGHTNESS  \nj CHECK TO ENSURE THAT ELECTRICAL WIRING IS NOT IN CONTACT WITH REFRIGERANT LINES OR SHARP METAL EDGES  \nj CHECK PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS  \nj VERIFY THAT SCROLL COMPESSORS ARE ROTATING IN THE CORRECT DIRECTION  \nj VERIFY INSTALLATION OF THERMOSTAT  \nj VERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR AT LEAST 24 HOURS  \nIII. START-UP (insert value as each item is completed)  \nBLOWER EXTERNAL STATIC PRESSURE  \nRETURN AIR STATIC PRESSURE   IN. W.C.  \nSUPPLY AIR STATIC PRESSURE   IN. W.C.  \nBLOWER WHEEL RPM   RPM  \nTEMPERATURES  \nOUTDOOR-AIR TEMPERATURE   DB   WB  \nRETURN-AIR TEMPERATURE   DB   WB  \nCOOLING SUPPLY AIR   DB   WB  \nGAS HEAT SUPPLY AIR   DB  \nPRESSURES (Cooling Mode)  \nGAS INLET PRESSURE  \nGAS MANIFOLD PRESSURE  \nREFRIGERANT SUCTION, CIRCUIT 1  \nREFRIGERANT SUCTION, CIRCUIT 2 REFRIGERANT DISCHARGE, CIRCUIT 1  \nREFRIGERANT DISCHARGE, CIRCUIT 2  \n  IN. WG   IN. WG (LOW FIRE)   PSIG   PSIG   PSIG   PSIG  \nIN. WG (HI FIRE)   F  \n  F   F  \n  F  \nj VERIFY THAT 3-PHASE FAN MOTOR AND BLOWER ARE ROTATING IN CORRECT DIRECTION. j VERIFY THAT 3-PHASE SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION j VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS  \nPRESSURES HEATING (HEAT PUMP ONLY)  \nREFRIGERANT SUCTION CIRCUIT A   PSIG  \nCIRCUIT B   PSIG  \nREFRIGERANT DISCHARGE CIRCUIT A   PSIG  \nCIRCUIT B   PSIG  \nj VERIFY REFRIGERANT CHARGE USING HEAT PUMP CHARGING CHARTS j VERIFY SMOKE DETECTOR UNIT SHUTDOWN BY UTILIZING MAGNET TEST  \nGENERAL  \nj SET ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO MATCH JOB REQUIREMENTS (IF EQUIPPED)  \nIV. HUMIDIMIZER START--UP  \nSTEP  \nj 1. CHECK CTB FOR JUMPER 5, 6, 7  \nJUMPERS 5, 6, 7 MUST BE CUT AND OPEN  \nj 2. OPEN HUMIDISTAT CONTACTS  \nj 3. START UNIT IN COOLING (CLOSE Y1)  \nOBSERVE AND RECORD  \nA SUCTION PRESSURE   PSIG  \nB DISCHARGE PRESSURE   PSIG  \nC ENTERING AIR TEMPERATURE   _F  \nD LIQUID LINE TEMPERATURE AT OUTLET OF REHEAT COIL   _F  \nE CONFIRM CORRECT ROTATIN FOR COMPRESSOR  \nF CHECK FOR CORRECT RAMP--UP OF OUTDOOR FAN MOTOR AS CONDENSER COIL WARMS  \nj 4. CHECK UNIT CHARGE PER CHARGING CHART  \nJUMPER 32LT MOTOR MASTER TEMPERATURE SENSOR DURING THIS CHECK.  \nREMOVE JUMPER WHEN COMPLETE  \nj 5. SWITCH UNIT TO HIGH--LATENT MODE (SUBCOOLER) BY CLOSING HUMIDISTAT WITH Y1 CLOSED  \nOBSERVE  \nj A. REDUCTION IN SUCTION PRESSURE (5 TO 7 PSI EXPECTED)  \nj B. DISCHARGE PRESSURE UNCHANGED  \nj C. LIQUID TEMPERATURE DROPS TO 50 TO 55 _ RANGE  \nj D. LSV SOLENOID ENERGIZED (VALVE CLOSES) j 6. SWITCH UNIT TO DEHUMID (REHEAT) BY OPENING Y1  \nOBSERVE  \nj A. SUCTION PRESSURE INCREASES TO NORMAL COOLING LEVEL  \nj B. DISCHARGE PRESSURE DECREASES (35 TO 50 PSI) (LIMITED BY MOTORMASTER)  \nj C. LIQUID TEMPERATURE RETURNS TO NORMAL COOLING LEVEL  \nj D. LSV SOLENOID ENERGIZED (VALVE CLOSES)  \nj E. DSV SOLENOID ENERGIZED, (VALVE","cbCaibxnuDcwwkNl","https://ap.wps.com/l/cbCaibxnuDcwwkNl","pdf",58602,"English","# START-UP CHECKLIST\n## I. PRELIMINARY INFORMATION\n## II. PRE-START-UP\n## III. START-UP\n## IV. HUMIDIMIZER START--UP","[{\"question\":\"What pre-start-up items must be verified before starting the unit?\",\"answer\":\"Verify jobsite voltage, confirm packaging materials are removed, ensure outdoor air hood and flue hood installation, check condensate connection, inspect refrigerant and gas piping for leaks, verify electrical connections, and confirm unit level and correct fan/compressor installation and alignment.\"},{\"question\":\"What measurements should be recorded during the start-up phase?\",\"answer\":\"Record blower external static pressure, return and supply air static pressures, blower wheel RPM, temperatures for outdoor and return air, and cooling/heating supply air conditions, along with relevant pressure readings in cooling and heating modes.\"},{\"question\":\"How is humidifier start-up performed and what are the expected observations?\",\"answer\":\"Cut and open required jumpers, open humidistat contacts, start unit in cooling, then observe suction/discharge pressures and temperatures. Switch to high-latent (subcooler) and dehumid (reheat) modes while monitoring pressure changes, liquid temperature drops/returns, and LSV/DSV solenoid energization, then close/open controls to restore setpoints.\"}]","Start-Up Checklist - Packed Gas Heat Electric Cool | PDF"]