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Carrier 48SX024-060, 48SS018-060 user manual

Models: 48SS018-060

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Carrier 48SX024-060, 48SS018-060 user manual

Contents

Installation, Start-Upand Service Instructions CONTENTSSAFETY CONSIDERATIONS Fig. 1 Ð Unit 48SX Shown With Optional Base RailELECTRICAL REQD CLEARANCES FOR SERVICING. in. mm ELECTRICAL REQD CLEARANCES FOR SERVICING. in. mm ELECTRICAL REQD CLEARANCES FOR SERVICING. in. mm ELECTRICAL COND Step 5 Ð Rig and Place Unit RECEIVING AND INSTALLATIONStep 1 Ð Check Equipment Step 2 Ð Provide Unit SupportFig. 10 Ð Roof Curb Dimensions PART NUMBERCURB Fig. 13 Ð Suggested Rigging for Units With Fig. 11 Ð Slab Mounting DetailsFig. 12 Ð Suggested Rigging for Units Without Base RailStep 6 Ð Connect Condensate Drain Table 1 Ð Physical Data Ð Unit 48SS Table 2 Ð Physical Data Ð Unit 48SX Fig. 15 Ð Sediment Trap Fig. 17 Ð Lance Location for Vertical Duct Table 3 Ð Maximum Gas Flow CapacityFig. 16 Ð Supply and Return Duct Openings Fig. 18 Ð Vertical Duct Cover RemovedFig. 20 Ð Vertical Discharge Cover Removed Step 10 Ð Install Electrical ConnectionsTable 4A Ð Electrical Data Ð Unit 48SS Table 4B Ð Electrical Data Ð Unit 48SX Fig. 21 Ð High- and Control-VoltageConnections Fig. 22 Ð Easy Select Interface Board PRE-START-UPStart Up Heating Section and Make Adjustments START-UPFig. 23 Ð Fan Blade Clearance Fig. 24 Ð Burner Assembly Fig. 25 Ð Monoport Burners Table 7 Ð LED Indications Start Up Cooling Section and Make AdjustmentsPage Page Page Page Page Page Page Page 4.Measure and record the following CHECKING AND ADJUSTING REFRIGERANT CHARGEEVAPORATOR AIRFLOW AND AIRFLOW ADJUSTMENTS Proceed as followsTable 8B Ð Superheat Charging Table, 48SS024 Table 8A Ð Superheat Charging Table, 48SS018Table 8C Ð Superheat Charging Table, 48SS030 Table 8D Ð Superheat Charging Table, 48SS036Table 8E Ð Superheat Charging Table, 48SS042 Table 8H Ð Superheat Charging Table, 48SS060 Table 9A Ð Superheat Charging Table, 48SX024 Table 9B Ð Superheat Charging Table, 48SX030Table 9C Ð Superheat Charging Table, 48SX036 Table 9D Ð Superheat Charging Table, 48SX042 Table 9E Ð Superheat Charging Table, 48SX048Table 9F Ð Superheat Charging Table, 48SX060 Deduct 10% from Cfm and Watts for 208 V Operation Table 10 Ð Required Suction-TubeTemperature FDeduct 10% from Cfm and Watts for 208 V Operation Deduct 10% from Cfm and Watts for 208 V OperationDeduct 10% from Cfm and Watts for 208 V Operation Table 17 Ð Wet Coil Pressure Drop MAINTENANCEEvaporator Blower and Motor Fig. 34 Ð Blower Housing and Flue Collector BoxAir Filter Unit Top RemovalFig. 35 Ð Burner Access Panel Fig. 36 Ð Removal of Motor and Blower WheelFig. 37 Ð Burner Rack Removed Condenser Fan Condenser Coil, Evaporator Coil, and CondenCooling TROUBLESHOOTINGHeating Cooling contSERVICE TRAINING LED Troubleshooting Ð Error CodeCALL FOR FREE CATALOG Page ELECTRICAL Remove and Store in Job FileI. PRELIMINARY INFORMATION III. START-UP