Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 42D, 42C, 42S, 42V specifications a42-4073, Unit-MountedThermostat Line Voltage

Models: 42V 42D 42S 42C

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a42-4073

a42-4073

Δ120-V WHT ALL

OTHERS BLK

NEC CLASS 1 WIRING

Fig. 61 — 42SG,SH,SJ,VA,VB,VC,VE,VF 2-Pipe Cooling with Total Electric Heat —

Unit-Mounted Thermostat (Line Voltage)

Fig. 62 — 42C,S,V (except VG), and 42D (600-1000 cfm) 2-Pipe Cooling with Total Electric Heat —

Remote/Wall-Mounted Thermostat (Line Voltage)

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Carrier 42D, 42C, 42S, 42V a42-4073, Unit-MountedThermostat Line Voltage, Remote/Wall-MountedThermostat Line Voltage

Contents

Installation, Start-Upand Service Instructions 42C,D,S,V Series Fan Coil Air ConditionersTable 1 — Physical Data — 42C Series Units Table 2 — Physical Data — 42V Series UnitsPRE-INSTALLATION Fig. 1 — 42CA Furred-InHorizontal Unit Dimensions UNIT a42-4101 A42-4102 A42-4103 A42-4104 Fig. 7 - 42CG Horizontal Cabinet Unit Dimensions A42-4105LEGEND 1 — Junction Box, 4 in. x 4 in Front Supply, and Bottom Return Dimensions A42-4149a42-4150 Front Supply, and Rear Return Dimensions a42-4151Front Supply, Rear Return, and Heater Dimensions a42-4152UNIT UNIT SIZE Fig. 15 — 42VA Furred-InVertical Unit Dimensions Fig. 16 - 42VB Vertical Cabinet Unit Dimensions LEGEND 1 — Standard Stamped Supply Grille Fig. 18 - 42VC Furred-InLowboy Unit Dimensions LEGEND 1 — Unit-MountedControl Box Optional Fig. 20 — 42VE Cabinet Lowboy Unit Dimensions LEGEND Fig. 22 — 42VG Furred-InWall Unit Dimensions A42-4116a42-4120 A42-4121 Motor A42-4122Blower Motor A42-4123Blower A42-4124 Fig. 28 — 42SG Furred-InStack Dimensions A42-4125Fig. 29 — 42SH Cabinet Dimensions A42-4126A42-4127 Fig. 31 - 42SGM Furred-InMaster Stack Dimensions A42-4128Fig. 32 — 42SGS Furred-InSlave Stack Dimensions A42-4129a42-4154 a42-4155 A42-4173 a42-4167a42-4169 A42-4171A42-4170 PANEL AND FRAME DIMENSIONS inA42-4168 A42-4161INSTALLATION Step 1 — Place Units in Position Fig. 37 — 42SJ Unit with Standard and Siamese Fig. 39 — 42SJ Unit InstallationFig. 38 — 42SJ Unit as Shipped Risers7.Attach unit risers Fig. 41 — Pipe Connection Configurations 42VG Hydronic Coil ArrangementField Piping Connections a42-4177Fig. 43 — Symbols and Placement of Valves a42-4175 a42-4174Fig. 44 — Two-WayMotorized Control Valve Package COILCOIL a42-4176COIL COILCOIL COILCOIL COILFig. 48 - Typical Drain Line Details 42D Unit ShownTable 5 — Piping Components Table 5 — Piping Components cont SYMBOL/SKETCH Table 5 - Piping Components contSYMBOL/SKETCH Table 5 — Piping Components contJOINT MATERIALS Fig. 50 — Manual Fan Control Fig. 51 — Thermostatic Fan Control 2-PipeSystem a42-4060 Remote/Wall-MountedThermostat Line Voltagea42-4061 a42-4059Unit-MountedDebonair Thermostat 24-v,Duct Sensor a42-4066 Unit-MountedThermostat Line VoltageTHERMOSTAT #33CSSN2-FC LIMIT SWITCHTHERMOSTAT PART # VALVEa42-4067 Thermostat 2-PipeTotal Electric Heat with Valve Con- trol— With this system, the complete heating requirement for the space is provided by the electric heater; the water system is never changed over for heating. It is therefore possible, just as with 4-pipesystems, to have heating or cooling at any time of the yearRemote/Wall-MountedThermostat Line Voltage a42-4073Unit-MountedThermostat Line Voltage a42-4072 THERMOSTAT #33CSSN2-FCa42-4079 Unit-MountedThermostat Line VoltageRemote/Wall-MountedThermostat Line Voltage a42-4078Remote/Wall-MountedDebonair Thermostat Step 7 — Make Final Preparations SERVICETo Clean Coil START-UPc.Reinstall fan deck if removed Page Printed in U.S.A Copyright 2009 Carrier CorporationCatalog No. Form 42-3SIINSPECTION, INSTALLATION, AND START-UPCHECKLIST I.Project InformationFAN AND MOTOR