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Table 1 — input and output points – Carrier 39L User Manual

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Table 1 — Input and Output Points

MODULE,

DEFAULT ADDRESS

INPUT

INPUT

TYPE

CHANNEL

NUMBER

OUTPUT

OUTPUT

TYPE

CHANNEL

NUMBER

PSIO (Processor)
ADDRESS 1

SAT

AI

1

IGV*

AO

13

OAT

AI

2

MIXD

AO, DO†

14

MAT

AI

3

HWC

AO

15

RH

AI

4

CWC

AO

16

LTT

DI

5

SF

DO

17

SPT

AI

6

HIR*

DO

18

RAT

AI

7

SP*

AI

8

AFS

DI

9

FLTS

DI

10

OARH

AI

11

ENT

DI

12

PSIO (Option)
ADDRESS 31

SVP*

AI

31

RFVC*

AO

43

RVP*

AI

32

HUM1

AO, DO

44

DHH

DI

33

HUM2

DO

45

TEMP

AI

34

AOTC

AO

46

PRES

DI

35

DOTC

DO

47

EVAC

DI

36

DTCC

DO

48

PURG

DI

37

FSD

DI

38

AQ1

AI

39

AQ2

AI

40

OAVP*

AI

41

METER

DI

42

DSIO (Electric Heat)
ADDRESS 19

EHS1

DO

23

EHS2

DO

24

EHS3

DO

25

EHS4

DO

26

EHS5

DO

27

EHS6

DO

28

EHS7

DO

29

EHS8

DO

30

DSIO (DX without
Electric Heat)
ADDRESS 19

CUST

DI

19

DXS1

DO

23

DXSD

DI

20

DXS2

DO

24

DXS3

DO

25

DXS4

DO

26

DXS5

DO

27

DXS6

DO

28

DXS7

DO

29

DXS8

DO

30

DSIO (DX with
Electric Heat)
ADDRESS 49

CUST

DI

49

DXS1

DO

53

DXSD

DI

50

DXS2

DO

54

DXS3

DO

55

DXS4

DO

56

DXS5

DO

57

DXS6

DO

58

DXS7

DO

59

DXS8

DO

60

LEGEND

AFS

Airflow Switch (Supply Fan

Status Switch)

AI

Analog Input

AO

Analog Output

AOTC

Analog Output Temperature

Control

AQ1, 2 — Air Quality Sensors 1, 2
CUST

Condensing Unit Status

(Outdoor Air Thermostat)

CWC

Chilled Water Coil

DI

Discrete Input

DHH

Duct High Humidity

DO

Discrete Output

DOTC

Discrete Output Temperature

Control

DTCC

Discrete Output Timeclock

Control

DXS1-8

Direct Expansion Cooling

Stages 1-8

DXSD

Direct Expansion Cooling

Shutdown

EHS1-8

Electric Heater Stages 1-8

ENT

Enthalpy Switch

EVAC

Evacuation

FLTS

Filter Status Switch

FSD

Fire Shutdown

HIR

Heat Interlock Relay

HWC

Hot Water Coil

HUM1, 2 — Humidity Stages 1, 2
IGV

Inlet Guide Vanes

LTT

Low Temperature Thermostat

(also labelled FRZ)

MAT

Mixed-Air Temperature

METER

Meter (Pulsed Dry-Contact

Input)

MIXD

Mixed-Air Dampers

OARH — Outdoor-Air Relative Humidity
OAT

Outdoor-Air Temperature

OAVP

Outdoor-Air Velocity Pressure

PRES

Pressurization

PURG — Purge
RAT

Return-Air Temperature

RFVC

Return Fan Volume Control

RH

Relative Humidity

RVP

Return Velocity Pressure

SAT

Supply-Air Temperature

SF

Supply Fan Relay

SP

Static Pressure

SPT

Space Temperature

SVP

Supply Velocity Pressure

TEMP

Optional Temperature Input

*Available on VAV only.
†Discrete output with two-position damper control.

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