Carrier 2S Installation, Start-Up, And Operating Instructions Manual Download

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COOL STAGE 1

FAN

HEAT STAGE 1

COOL STAGE 2

HEAT STAGE 2

24 VAC HOT

W/W1

Y/Y2

O/W2

MODEL 2S

THERMOSTAT

SPLICE

BOX

YEL

GRN

WHT

RED (TRAN)

BRN

WHT

BRN

See notes 2, 9, 10, and 11

Y1/W2

24 VAC COMM

N/A

TROUBLE

OUTDOOR

SENSOR

CONNECTION

HEATER

CONTROL BOX

RED

VIO

PNK

A96293

→

Fig. 21—Single-Speed Packaged Air Conditioner

with 2-Stage Electric Heat (50SS, SX, ZP)

W/W1

Y/Y2

MODEL 2S

THERMOSTAT

COOL/HEAT

STAGE 1

COOL/HEAT

STAGE 2

RVS COOLING

HEAT STAGE 3

FAN

24 VAC HOT

SPLICE

BOX

YEL

ORN

WHT

GRN

BRN

WHT

BRN

See notes 3, 10, and 11

O/W2

Y1/W2

24 VAC COMM

RVS HEATING

TROUBLE

OUTDOOR

SENSOR

CONNECTION

HEATER

CONTROL BOX

RED

A96294

→

Fig. 22—Single-Speed Packaged Heat Pump

with Single-Stage Electric Heat (50HS, HX, ZH)

Y/Y2

Y1/W2

MODEL 2S

THERMOSTAT

SPLICE

BOX

VIO

ORN

WHT

RED (TRAN)

BRN

WHT

BRN

See notes 3, 9, 10, and 11

O/W2

W/W1

24 VAC COMM

RVS HEATING

TROUBLE

OUTDOOR

SENSOR

CONNECTION

HEATER

CONTROL BOX

YEL

GRN

RED

PNK

HEAT STAGE 3

COOL/HEAT

STAGE 1

RVS COOLING

COOL/HEAT

STAGE 2

FAN

24 VAC HOT

A96295

→

Fig. 23—Single-Speed Packaged Heat Pump

with 2-Stage Electric Heat (50HS, HX, ZH)

W/W1

Y/Y2

MODEL 2S

THERMOSTAT

SPLICE

BOX

YEL

ORN

BRN

See notes 3, 10, and 11

O/W2

Y1/W2

24 VAC COMM

RVS HEATING

TROUBLE

OUTDOOR

SENSOR

CONNECTION

WHT

GRN

RED

COOL/HEAT

STAGE 1

COOL/HEAT

STAGE 2

RVS COOLING

HEAT STAGE 3

FAN

24 VAC HOT

A96296

→

Fig. 24—Single-Speed Packaged Heat Pump

with Single-Stage Gas Furnace (48HX)

Summary of Contents for 2S

Page 1: ...have the proper thermostat for the intended application Models are AC 1 stage cool 1 stage heat for AC systems only HP 1 stage cool 2 stage heat for either HP or AC with 2 stage heat 2S 2 stage cool 2 stage heat for 2 speed AC systems or 2 stage cool 3 stage heat for 2 speed HP systems or 1 stage cool 4 stage heat for 1 speed HP with special 3 stage electric heat Use each only for its intended pur...

Page 2: ...ting holes 5 Drill two 3 16 in mounting holes in wall where marked 6 Secure mounting base to wall with 2 screws and anchors provided additional anchoring holes available for more secure mounting if needed making sure all wires extend through hole in mounting base 7 Adjust length and routing of each wire to reach proper terminal and connector block on mounting base with 1 4 in of extra wire Strip o...

Page 3: ...iting feature will not allow more than 4 equipment cycles per hour regardless of setting Values can range from 1 to 9 Default is 3 This default selection will provide optimum performance in nearly all installations Try it first Do not change setting unless there is evidence of need to do so Unlike conventional anticipators this setting is not to be deter mined by current draw There is no need to m...

Page 4: ...CONDITIONER See note 1 Fig 3 Single Speed Air Conditioner with 2 Stage or Variable Speed Furnace Model AC Thermostat A96341 24 VAC HOT FAN HEAT STAGE 1 COOL STAGE 1 N A N A R G W W1 Y Y2 O W2 Y1 W2 R G 24 VAC COMM N A TROUBLE OUTDOOR SENSOR CONNECTION C B L S1 S2 C Y C MODEL AC THERMOSTAT TWO STAGE OR VARIABLE SPEED FURNACE SINGLE SPEED AIR CONDITIONER See notes 1 and 5 W W1 Y Y2 W2 A96342 Fig 4 S...

Page 5: ...C B L S1 S2 C Y C MODEL HP THERMOSTAT TYPICAL FAN COIL SINGLE SPEED AIR CONDITIONER See notes 2 6 and 7 W2 Y Y2 W3 Y1 O L E Fig 7 Single Speed Heat Pump with Typical Fan Coil Model HP Thermostat A96345 24 VAC HOT FAN HEAT STAGE 2 COOL HEAT STAGE 1 RVS COOLING N A R G W W1 Y Y2 O W2 Y1 W2 R G 24 VAC COMM RVS HEATING TROUBLE OUTDOOR SENSOR CONNECTION C B L S1 S2 C Y C MODEL HP THERMOSTAT TYPICAL FAN...

Page 6: ...CAL FAN COIL TWO SPEED AIR CONDITIONER See notes 2 6 and 7 W2 Y Y2 Y1 E L O R W3 Y1 L A96349 Fig 11 Two Speed Heat Pump with Single Stage Furnace Model 2S Thermostat COOL HEAT STAGE 1 RVS COOLING HEAT STAGE 3 COOL HEAT STAGE 2 FAN 24 VAC HOT R W W1 Y Y2 O W2 Y1 W2 G 24 VAC COMM RVS HEATING TROUBLE OUTDOOR SENSOR CONNECTION C B L S1 S2 C Y Y2 C W2 MODEL 2S THERMOSTAT SINGLE STAGE FURNACE TWO SPEED ...

Page 7: ...JUMPER REMOVE J2 JUMPER FOR HEAT STAGING SINGLE SPEED HEAT PUMP See notes 4 and 7 DH Y1 W W1 Y Y2 O W2 Y1 W2 Y O W2 W1 Y Y2 O W2 24 VAC HOT HEAT STAGE 1 N A FAN N A COOL STAGE 1 R R 24 VAC COMM N A TROUBLE OUTDOOR SENSOR CONNECTION C B L S1 S2 C G G C MODEL AC THERMOSTAT FK4C EASY SELECT TERMINAL BOARD J1 JUMPER J2 JUMPER SINGLE SPEED AIR CONDITIONER See notes 1 and 7 DH Y1 O Y1 W2 Y Y2 Y Y Y2 O W...

Page 8: ...AL BLOCK J1 JUMPER J2 JUMPER TWO SPEED HEAT PUMP See notes 3 7 8 and 10 DH Y1 O Y1 W2 Y Y2 Y2 Y Y2 O W2 W W1 W1 W2 A96356 Fig 18 Two Speed Heat Pump with FK4C Fan Coil Model 2S Thermostat 24 VAC HOT FAN HEAT STAGE 1 COOL STAGE 1 N A N A R G W W1 Y Y2 Y1 W2 O W2 B S1 S2 MODEL AC THERMOSTAT RED GRN WHT YEL BRN See notes 1 and 10 L C 24 VAC COMM N A TROUBLE OUTDOOR SENSOR CONNECTION SPLICE BOX A96291...

Page 9: ...ATER CONTROL BOX RED A96294 Fig 22 Single Speed Packaged Heat Pump with Single Stage Electric Heat 50HS HX ZH R G Y Y2 Y1 W2 B S1 S2 MODEL 2S THERMOSTAT SPLICE BOX VIO ORN WHT RED TRAN BRN WHT BRN See notes 3 9 10 and 11 L C O W2 W W1 24 VAC COMM RVS HEATING TROUBLE OUTDOOR SENSOR CONNECTION HEATER CONTROL BOX YEL GRN RED RED PNK HEAT STAGE 3 COOL HEAT STAGE 1 RVS COOLING COOL HEAT STAGE 2 FAN 24 ...

Page 10: ...fan coil with selected 2 1 size ratio heaters Provides 3 stages of auxiliary heat for even heating comfort via W W1 and Y1 W2 Refer to FK4 Installation Instructions 5 Furnace second stage is controlled by its internal algorithm Refer to furnace instructions for proper setup 6 Terminals marked with may not be present on equipment 7 Refer to fan coil Installation Instructions for proper wiring 8 Sel...

Page 11: ...mostat has failed E2 If the AC line voltage drops below a minimum brownout level all outputs are turned off and the display indicates E2 This condition will remain for 15 seconds after proper line voltage is restored If the AC line voltage disappears completely the display will immediately go blank Energy Savings Icon This icon is displayed under these conditions 1 speed HP heating without auxilia...

Page 12: ...lus hands on the products in our labs can mean increased confidence that really pays dividends in faster troubleshooting fewer callbacks Course descriptions and schedules are in our catalog CALL FOR FREE CATALOG 1 800 962 9212 Packaged Service Training Classroom Service Training A94328 Copyright 1996 CARRIER Corp 7310 W Morris St Indianapolis IN 46231 tstat10si Manufacturer reserves the right to d...

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