Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 42V, 42C, 42S, 42D specifications a42-4072, THERMOSTAT #33CSSN2-FC

Models: 42V 42D 42S 42C

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Page 63

a42-4072

NOTE: Units may have 2 or 4 elements. Elements wired in parallel.

a42-4072

Fig. 63 — 42SG,SH,SJ,VA,VB,VC,VE,VF 2-Pipe Cooling with Total Electric Heat —

Unit-Mounted Debonair® Thermostat (24-v) and Duct Sensor

REMOTE DEVICE BOX

	THERMOSTAT #33CSSN2-FC
RS+5	RS R	G Y1 G3 W1 G2 C H2O	CK1

NEC CLASS 2 WIRING

ORG

RED

PUR

BLK

BRN

BLU

YEL

VALVE

BLK

2

COOL

BLK

Q/C

YEL

1

33ZCRLYBRD

QUICK CONNECT

G

FAN

G2/(W)

G3/(Y)

BLK

YEL

COM

(VALVE)

RED

RED L

4

(COOL)

BLU

BLU M

3

BLOWER

HI

BLK

BLK H

MOTOR

2

ORG

YEL

(HEAT)

*WHT

WHT COM

24

MED

1

TRANSFORMER

BLK

WHT/RED

LOW

EQUIPMENT

GROUND

L1

BLK

L2 or N

*WHT

*WHT

YEL

0

1

BRN

06

EQUIPMENT

GROUND

3

NC 7

LIMIT SWITCH

L1

BLK

4 COM 8

2

NO 6

BLK

BLK

N

WHT

ELEC. HEATER

Fig. 64 — 42C,S,V (except VG), and 42D (600-1000 cfm) 2-Pipe Cooling with Total Electric Heat —

Remote/Wall-Mounted Debonair® Thermostat (24-v) and Dual Power Source

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Image 63

Carrier 42V, 42C, 42S, 42D specifications a42-4072, THERMOSTAT #33CSSN2-FC

Contents

42C,D,S,V Series Fan Coil Air Conditioners Installation, Start-Upand Service InstructionsTable 2 — Physical Data — 42V Series Units Table 1 — Physical Data — 42C Series UnitsPRE-INSTALLATION Fig. 1 — 42CA Furred-InHorizontal Unit Dimensions UNIT a42-4101 A42-4102 A42-4103 A42-4104 A42-4105 Fig. 7 - 42CG Horizontal Cabinet Unit DimensionsLEGEND 1 — Junction Box, 4 in. x 4 in A42-4149 Front Supply, and Bottom Return Dimensionsa42-4150 a42-4151 Front Supply, and Rear Return Dimensionsa42-4152 Front Supply, Rear Return, and Heater DimensionsUNIT 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 A42-4116 Fig. 22 — 42VG Furred-InWall Unit Dimensionsa42-4120 A42-4121 A42-4122 BlowerMotor A42-4123 BlowerMotor A42-4124 A42-4125 Fig. 28 — 42SG Furred-InStack DimensionsA42-4126 Fig. 29 — 42SH Cabinet DimensionsA42-4127 A42-4128 Fig. 31 - 42SGM Furred-InMaster Stack DimensionsA42-4129 Fig. 32 — 42SGS Furred-InSlave Stack Dimensionsa42-4154 a42-4155 A42-4171 a42-4167a42-4169 A42-4173A42-4161 PANEL AND FRAME DIMENSIONS inA42-4168 A42-4170INSTALLATION Step 1 — Place Units in Position Risers Fig. 39 — 42SJ Unit InstallationFig. 38 — 42SJ Unit as Shipped Fig. 37 — 42SJ Unit with Standard and Siamese7.Attach unit risers Fig. 41 — Pipe Connection Configurations a42-4177 Hydronic Coil ArrangementField Piping Connections 42VGFig. 43 — Symbols and Placement of Valves COIL a42-4174Fig. 44 — Two-WayMotorized Control Valve Package a42-4175COIL a42-4176COIL COILCOIL COILCOIL COIL42D Unit Shown Fig. 48 - Typical Drain Line DetailsTable 5 — Piping Components Table 5 — Piping Components cont Table 5 - Piping Components cont SYMBOL/SKETCHTable 5 — Piping Components cont SYMBOL/SKETCHJOINT MATERIALS Fig. 50 — Manual Fan Control Fig. 51 — Thermostatic Fan Control 2-PipeSystem Remote/Wall-MountedThermostat Line Voltage a42-4060a42-4059 Unit-MountedDebonair Thermostat 24-v,Duct Sensora42-4061 Unit-MountedThermostat Line Voltage a42-4066VALVE LIMIT SWITCHTHERMOSTAT PART # THERMOSTAT #33CSSN2-FCThermostat 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 year a42-4067a42-4073 Unit-MountedThermostat Line VoltageRemote/Wall-MountedThermostat Line Voltage THERMOSTAT #33CSSN2-FC a42-4072Unit-MountedThermostat Line Voltage a42-4079a42-4078 Remote/Wall-MountedThermostat Line VoltageRemote/Wall-MountedDebonair Thermostat START-UP SERVICETo Clean Coil Step 7 — Make Final Preparationsc.Reinstall fan deck if removed Page Form 42-3SI Copyright 2009 Carrier CorporationCatalog No. Printed in U.S.AI.Project Information INSPECTION, INSTALLATION, AND START-UPCHECKLISTFAN AND MOTOR