Carrier 48LC Series Controls, Start-Up, Operation And Troubleshooting page 56

DISPLAY NAME
Input power from TRAN2
COFS
FIRE SHUTDOWN
IGC FAN REQUEST
RARH LEVEL
OARH LEVEL
ECON ACT POSITION
FAN SUPPLY TEMP
RETURN AIR TEMP
OUTDOOR AIR TEMP
CIR.A SUC. PRESS
CIR.A DIS. PRESS
IAQ LEVEL
SLIDER OFFSET VAL
SPACE TEMPERATURE
CIR.A HPS
Configurable
REMOTE OCC SWITCH
REMOTE SHUTDOWN
FILTER STATUS SW
TSTAT G INPUT
TSTAT Y1 INPUT
TSTAT Y2 INPUT
TSTAT Y3 INPUT
TSTAT W1 INPUT
TSTAT W2 INPUT
Optional power out
ECON CMD POSITION
ODF SPEED OUT 1
ODF SPEED OUT 2
ODF SPEED OUT 3
ALARM RELAY
not used
not used
not used
not used
PE1 RELAY
CCH RELAY
COMPRESSOR A2
COMPRESSOR A1
HEAT 2 RELAY
HEAT 1 RELAY
Building Automated System (BAS)
Ethernet
IDF SPEED OUTPUT
Expansion LEN Bus
Local Equipment Network (LEN)
RNET Sensors
Display Copper Cable
RNET Service Access
Display Copper Cable
Local Equipment Network (LEN)
USB--- A
USB--- B
Keypad Ribbon Cable
Table 24 – Main Base Board (MBB) Connections
SENSOR LOCATION
INPUTS
Control Box
Dain Pan
Supply/Return/Space
Gas section
Return/Space
Economizer
Economizer
Indoor fan housing
Return
Outdoor coil
Circuit A Suction pipe
Circuit A Discharge pipe
Return/Space
Space
Space
Circuit A Discharge pipe
Field--- installed
Field--- installed
Field--- installed
Indoor fan section
Space
Space
Space
Space
Space
Space
OUTPUTS
Not Used
Not Used
Not Used
Not Used
Not Used
COMMUNICATION
Building
Not Used
Indoor fan section
Not Used
Building
DISPLAY CONNECTIONS
Not Used
56
I/O TYPE POINT NAME
24 VAC
24 VAC
Switch input
Switch input
0--- 20 mA
0--- 20 mA
2--- 10vdc
10k thermistor
10k thermistor
10k thermistor
0--- 5 VDC pressure transducer
0--- 5 VDC pressure transducer
0--- 20 mA
10k thermistor
10k thermistor
Switch Input
Switch Input
Switch Input
Switch Input
Switch Input
Switch Input
Switch Input
Switch Input
Switch Input
Switch Input
Switch Input
24 VAC
0--- 20 mA
PWM1
PWM2
PWM3
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Communication
Communication
Communication
Communication
Communication
Communication
Communication
Communication
Communication
Communication
Communication
Communication
Communication
CONNECTION PIN
NUMBER
J2, 1 & 8
COFS J4, 1--- 4
FIREDOWN J5, 1--- 4
IGC_IFO J6, 1--- 2
RARH J7, 1, 5--- 6
OARH J7, 2, 6--- 7
DAMPPOS J7, 3, 8
FST J8, 1, 4
RAT J8, 2, 5
OAT J8, 3, 6
SSP_A J9, 1--- 2, 5
SDP_A J9, 4--- 3, 6
IAQ TB5, 4--- 6
SPTO TB5, 2--- 3
SPACE_T TB5, 1--- 2
CIRA_HPS QC, 1--- 2J18, 1, 3
QC, 3--- 4J18, 2,4
REMOCC TB3, 1--- 2
REMSHUT TB3, 3--- 4
FILTSTAT TB3, 5--- 6
G TB1, G
Y1 TB1, Y1
Y2 TB1, Y2
Y3 TB1, Y3
W1 TB1, W1
W2 TB1, W2
J1, 1--- 2
DAMPCMD J7, 4, 8
ODF1SPD J10, 1--- 4
ODF2SPD J11, 1--- 4
ODF3SPD J12, 1--- 4
ALMOUT TB2, 3--- 4
J3A, 1, 3
J3A, 2, 4
J3B, 1, 3
J3B, 2, 4
PE1 J3C, 1--- 4
CCHR1 J3D, 1, 4
COMP_A2 J3D, 2, 5
COMP_A1 J3D, 3, 6
HEAT_2 J3E, 1, 3
HEAT_1 J3E, 2, 4
TB4, 1--- 5
J13, J14
FANSPEED J15, 1--- 4
J16, 1--- 4
J17
J20, 1--- 4
J23
J24, 1--- 5
J1
J2
J3
J4
J6