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Carrier 48MA/50ME016-040 specifications

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Contents

Main Installation, Start-Up and Service Instructions CONTENTS 48MA/50ME016-040 Combination Multizone Heating/Cooling Units Gas, Electric, or Glycol Heat SAFETY CONSIDERATIONS INSTALLATION General Unit Clearances RoofCurb Roof Openings Fig. 1 Base Unit Physical Data and Dimensions; 48MA Units Fig. 2 Base Unit Physical Data and Dimensions; 50ME Units Rigging Unit UnitPositioning Removing Shipping Shields (Fig. 6) Field-Fabricated Ductwork Table 1 Physical Data Fig. 4 Roof Curb Physical Data and Dimensions; 48MA Units Fig. 5 Roof Curb Physical Data and Dimensions; 50ME Units END DETAIL (034,044 12-ZONE MODULES) CondensateDrains Gas Piping (48MA) OptionalGlycol Connections (50ME) Field Power Supply Wiring Page Table 3 Unit 50ME Electrical Data Table 4 Electric Resistance Heater Data Table 5 Unit 50ME ElectricalApplication Data Field Control Wiring Page Fig. 11 48MA; One-Stage Heat, One-Stage Cool 2 Nested Modules, Joint Zone Control Fig. 12 48MA; One-Stage Heat, Two-Stage Cool 2 Nested Modules, Joint Zone Control Page Fig. 14 48MA; One-Stage Heat, One-Stage Cool; One-Stage Heat, Two-Stage Cool Combination Fig. 15 48MA; One-Stage Heat, One-Stage Cool 4 Module Joint Zone Control Page Fig. 17 48MA; One-Stage Heat, Two-Stage Cool 4 Module Joint Zone Control Fig. 18 48MA; One-Stage Heat, Two-Stage Cool 3 Module Joint Zone Control Fig. 19 48MA; One-Stage Heat, One-Stage Cool 2 Independent Modules, 2 Joint Modules Zone Control Fig. 20 50ME; Two-Stage Heat, One-Stage Cool 2 Modules, Joint Zone Control Fig. 21 50ME; Two-Stage Heat, Two-StageCool 2 Modules, Joint Zone Control Fig. 22 50ME; Two-StageHeat, One-Stage Cool One Independent Module, 2 Joint Modules Zone Control Fig. 23 50ME; Two-Stage Heat, One-Stage Cool; Two-StageHeat, Two-Stage Cool Combination Fig. 24 50ME; Two-Stage Heat, One-Stage Cool 4 Module Joint Control Fig. 25 50ME; Two-StageHeat, One-Stage Cool One Independent Module, 3 Joint Modules Zone Control Fig. 26 50ME; Two-Stage Heat, Two-StageCool 4 Module Joint Zone Control Fig. 27 50ME; Two-Stage Heat, Two-StageCool 3 Module Joint Zone Control Fig. 28 50ME; Two-Stage Heat, One-Stage Cool 2 Independent Modules, 2 Joint Modules Zone Control Reheat Humidity Control Optional Economizer Optional Exhaust Damper START-UP Evaporator Fan Gas Heat Lighting Procedure (48MA) Intermittent Pilots (48MA) Main BurnerAdjustment (48MA) Outdoor-AirThermostat Adjustment (50ME with Electric Heat) Page Optional Glycol Heating Coils Zone Airow Adjustment Sequence of Operation SERVICE Cabinet Panels and Grilles Cleaning Airow Switches Service Switch Time Guard T Control Circuit Compressor Capacity Control Unloader(s) (Fig.36) CrankcaseHeater(s) Refrigerant Charge Head Pressure Control Condenser Fans Evaporator Fans and Motor Forced-Draft Blower (48MA) ZoneModule Transformers Optional Economizer Optional Exhaust Damper Replacement Parts Fig. 40 Economizer and Exhaust Damper Assemblies, Exploded View Page Page PACKAGED SERVICE TRAINING Page START-UP CHECKLIST PRE-START-UP: START-UP