Table 1 — input and output points – Carrier 39L User Manual
Page 12
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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