Carrier 50XJ064-104 Manual De Usuario
3
Table 1 — Control Inputs and Outputs
LEGEND
DESCRIPTION
ABBREV.
TYPE
CONTROLLER I/O NO.
DIP SWITCH SETTINGS
Water Econ. Units Air Econ.Units
Switch No. and Position
Inputs
SW2
SW3
SW1
Main Controller (PCB1)
Addr = 1-16
Supply Air Temperature
SAT
Analog; 10K MCI
1
1
1
Up
1
Down
1
Up
VFD Duct Static Pressure
DSP
4-20mA; Internally Powered
2
2
2
Up
2
Up
2
Down
COL/Safeties —
(Comprs.Status; Resister Bd.)
(Comprs.Status; Resister Bd.)
CMP MUX
Analog; 0-10VDC
3
3
3
Up
3
Down
3
Down
Fire Alarm/Shutdown
FSD
Switch closure
4
4
4
Up
4
Down
4
Down
Condenser Waterflow Switch
CDWF
Switch closure
5
5
5
Up
5
Down
5
Down
Remote Occupancy
RMTOCC
Switch closure
6
6
6
Up
6
Down
6
Down
Duct High Static Limit Switch
DHS
Switch closure
7
7
7
Up
7
Down
7
Up
Entering Water Temp. Sensor
EWT
Analog; 5K
8
8
8
Up
8
Down
8
Up
I/O Board (PCB2)
Addr = 17-32
Mixed/Return Air Sensor
MAT/RAT
Analog; 10K MCI
1
1
1
Up
1
Down
1
Up
Filter Status Switch
(Dirty Filter Detect)
(Dirty Filter Detect)
FLTS
Switch closure
2
2
2
Up
2
Down
2
Down
Phase Loss Monitor
PHASE
Switch closure
3
3
3
Up
3
Down
3
Down
External reset
RESET
0-10VDC Externally Powered
4
4
4
Up
4
Down
4
Down
Water Econ. FreezeStat
FREEZE
Switch closure
5
—
5
Up
5
Down
5
Up
Differential Enthalpy
ENTH
Switch closure
—
5
5
Up
5
Down
6
Down
Space Zone Sensor(s)
SPT
Analog; 10K MCI
6
6
6
Up
6
Down
7
Up
VFD Bypass Enable
BYPASS
Switch closure
7
7
7
Up
7
Down
8
Up
Refrigerant Pressure
(Compr.#1)
(Compr.#1)
PRES
4-20mA; Internally Powered
8
8
8
Up
8
Up
—
—
I/O Board (PCB3)
Addr = 33-48
Tower Sump Temp.
TWRTEMP Analog; 10K MCI
1
1
1
Up
1
Up
1
Up
Building Pressure
BSP
4-20mA; Internally Powered
2
2
2
Up
2
Down
2
Down
Leaving Water Temp.
LWT
Analog; 10K MCI
3
3
3
Up
3
Up
3
Down
Indoor Air Quality
IAQ
4-20mA; Internally Powered
—
4
4
Up
4
Down
4
Down
Indoor relative Humidity
IRH
4-20mA; Internally Powered
—
5
5
Up
5
Down
5
Down
Outside Air Temp.
OAT
Analog; 10K MCI
—
6
6
Up
6
Up
6
Up
Unassigned
—
—
—
—
—
—
—
—
7
Up
Unassigned
—
—
—
—
—
—
—
—
8
Up
DESCRIPTION
ABBREV.
TYPE
CONTROLLER I/O NO.
DIP SWITCH SETTINGS
Water Econ. Units Air Econ.Units
Switch No. and Position
Outputs
SW4
SW5
SW6
Main Controller (PCB1)
Compressor #1 Relay
CMP1
24VDC Discrete
1
1
1
Either
1
DO
—
Compressor #2 Relay
CMP2
24VDC Discrete
2
2
2
Either
2
DO
—
Compressor #3 Relay
CMP3
24VDC Discrete
3
3
3
Either
3
DO
—
Compressor #4 Relay
CMP4
24VDC Discrete
4
4
4
Either
4
DO
—
VFD On/Off
SF
24VDC Discrete
5
5
5
Either
—
1
DO
VFD Speed Control
SPEED
4-20mA modulating
6
6
6
Down
—
2
AO
Alarm Pending
ALARM1
24VDC Discrete
7
7
7
Either
—
3
DO
Service Required
ALARM2
24VDC Discrete
8
8
8
Either
—
4
DO
I/O Board (PCB2)
Ventilation Output
VENTOUT
24VDC Discrete
1
1
1
Either
1
DO
—
Terminals Occupied
OCCTRM
24VDC Discrete
2
2
2
Either
2
DO
—
2-Position\
Reverse Operation Valve
Reverse Operation Valve
ECONO
4-20mA modulating
3
3
Down
3
AO
—
Economizer Damper
ECONO
4-20mA modulating
—
3
3
Down
3
AO
—
Modulating Valve Econ./
Head Pressure Control
Head Pressure Control
MODVLV
4-20mA modulating
4
4
4
Down
4
AO
—
Hot Water Coil Valve Control
HWV
4-20mA modulating
5
5
5
Down
—
1
AO
Heat Interlock Relay
HIR
24VDC Discrete
6
6
6
Either
—
2
DO
VFD Bypass Start
BPSS
24VDC Discrete
7
7
7
Either
—
3
DO
VAV Terminals Open
DAMPERS
24VDC Discrete
8
8
8
Either
—
4
DO
I/O Board (PCB3)
Electric Heat Control — Stage #1 HEAT1
24VDC Discrete
1
1
1
Either
1
DO
—
Electric Heat Control — Stage #2 HEAT2
24VDC Discrete
2
2
2
Either
2
DO
—
Electric Heat Control — Stage #3 HEAT3
24VDC Discrete
3
3
3
Either
3
DO
—
Electric Heat Control — Stage #4 HEAT4
24VDC Discrete
4
4
4
Either
4
DO
—
Water Pump Request
PUMP
24VDC Discrete
5
5
5
Either
—
1
DO
Tower Request
TOWER
24VDC Discrete
6
6
6
Either
—
2
DO
Modulating Exhaust Fan
EXH
4-20mA modulating
7
7
7
Down
—
3
AO
External Dehumidification
DEHUM
24VDC Discrete
8
8
8
Either
—
4
DO
AO
— Analog Output
DO
— Discreet Output
MCI
— Precon Type II Thermistor
VAV
— Variable Air Volume
VFD — Variable Frequency Drive