Carrier 42 SERIES specifications

Contents

Main CONTENTS CONTROL SELECTION GUIDE STANDARD WIRING PACKAGES Manual Fan Control Thermostatic Fan Control, 2-Pipe Systems Thermostatic Fan Control, 2-Pipe System with Safety Cycle Thermostatic Electric Valve Control, 2-Pipe STANDARD WIRING PACKAGES (cont) Thermostatic 2-Pipe Auxiliary Electric Heat with V alve Control Thermostatic 2-Pipe Total Electric Heat with- V alve Control STANDARD WIRING PACKAGES (cont) Thermostatic V alve Control, 4-Pipe ELECTRIC HEAT Application Heater Construction Heater Electrical Data REMOTE-MOUNTED CONTROLS Standard 3-Speed Switch Combination Thermostat/3-Speed Switch W all Thermostat, 2-Pipe W all Thermostat, 4-Pipe E Wall Thermostat (Sunne Model 154) with Manual 3-Speed Fan Switch and ON-OFF Switch Thermostat and Fan Switch Electrical Ratings HONEYWELL MODEL T4039 THERMOSTAT W A UNIT-MOUNTED CONTROLS Standard 3-Speed Switch Combination Thermostat/ON-OFF Toggle Switch Combination Thermostat/3-Speed Switch T wo-Pipe Thermostat, Model TF103 Four-Pipe Thermostat, Model TH104 Automatic Changeover BASIC DEFINITIONS Standard 2-pipe units will be the same end connection. Hot water valve package requirements may not be the same as chilled water valve package! Hydronic Coil Arrangement FIELD PIPING CONNECTIONS* Valve packages are not factory supplied with these units. VALVE PACKAGES General Page VALVE PACKAGES (cont) Two-Way Motorized Control Valve Two-Way Motorized Control Valve with Aquastat Bleed Bypass Line Three-Way Motorized Control Valve No Motorized Control Valve Page LEGEND VALVE PACKAGE ARRANGEMENTS (cont) LEGEND Table 1 Acceptable Field-Furnished Pneumatic Valves PIPING COMPONENTS Page PIPING COMPONENTS (cont) Page CVFACTOR vs WATER PRESSURE DROP Page COPPER WATER TUBE AND JOINT MATERIAL PRESSURE RATINGS CORRECTION FACTORS FOR GLYCOL (Equivalent water ow method for all 42 Series Models) Table 2 Standard Accessories and Options