Carrier 48PG03-16 Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 103

DISPLAY NAME
INPUTS INPUTS
Indoor fan output feedback (IGC), or
HUM
FDWN
G
W2 Thermostat W2 (2nd Stage Heat)
W1 Thermostat W1 (1st Stage Heat)
Y2 Thermostat Y2 (2nd Stage Cool)
Y1 Thermostat Y1 (1st Stage Cool)
SPT Space temperature (T55/56)
SPTO or Space temperature offset (T56), or
RAT
OAT
SAT
SCT.A Saturated condenser temperature, circuit A
SCT.B Saturated condenser temperature, circuit B
SCT.C Saturated condenser temperature, circuit C
FAN.S
SSP .A
SSP .B Suction pressure, circuit B
SSP .C Suction pressure, circuit C
FIL.S
CS.A1
CS.B1 or Compressor B1 feedback, or
CS.A2
CS.C1 or Compressor C1 feedback, or
CS.B1
OUTPUTS OUTPUTS
Output power to Marquee Display
CRC
CMP .C or
OFC.2
CMP .B
CMP .A
CCH or
OFC.3 or
OFC.1
OFC.2 or
RH2.B Reheat2 valve, circuit B and C
OFC.1 or
RH2.A
IDF
ALRM
HT.1
HT.2
COMMUNICATION COMMUNICATION
Local Equipment Network (LEN)
Carrier Comfort Network (CCN)
Table 102—MBB Connections
POINT DESCRIPTION
Input power from TRAN1
Space humidity switch
Fire shutdown switch
Thermostat G (Fan)
Return air temperature
Outdoor air temperature
Supply air temperature
Fan status switch
Suction pressure, circuit A
Filter status switch
Compressor A1 feedback
Compressor A2 feedback
Compressor B1 feedback
Output power to ECB
Cool-Reheat1 control
Compressor C1 relay, or
Outdoor fan 2 relay
Compressor B1 relay
Compressor A1 relay
Crankcase heat relay, or
Outdoor fan 3 relay, or
Outdoor fan 1 relay
Outdoor fan 2 relay, or
Outdoor fan 1 relay, or
Reheat2 valve, circuit A
Indoor fan relay
Alarm relay
Heat stage 1 relay
Heat stage 2 relay
Network device power
SENSOR LOCATION
control box
gas section
space
supply/return/space
space
space
space
space
space
space
space
return
outdoor coil support
indoor fan housing, or supply duct
outdoor coil, circuit A
outdoor coil, circuit B
outdoor coil, circuit C
indoor fan section
compressor A suction
compressor B suction
compressor C suction
indoor fan section
control box
control box
control box
103
CONNECTION
TYPE OF I/O
PIN NUMBER
24 VAC
J1, 1-3
switch input
J6, 4
switch input
J6, 5-6
switch input
J7, 2
switch input
J7, 4
switch input
J7, 6
switch input
J7, 8
switch input
J7, 10
10k thermistor
J8, 1-2
10k thermistor
J8, 2-3
10k thermistor J8, 5-6
10k thermistor
J8, 7-8
5k thermistor
J8, 9-10
5k thermistor
J8, 11-12
5k thermistor
J8, 13-14
switch input
J8, 15-16
analog input
J8, 18-20
analog input
J8, 21-23
analog input
J8, 24-26
switch input
J9, 2-3
digital input
J9, 4-6
digital input
J9, 7-9
digital input
J9, 10-12
24 VAC
J2, 1-2
24 VAC
J4, 5-6
relay
J10, 3
relay
J10, 6
relay
J10, 9
relay
J10, 11
relay
J10, 13
relay
J10, 16
relay
J10, 19
relay
J10, 21
relay
J10, 23
relay
J10, 25
relay
J10, 27
communication
J5, 1-3
communication
J5, 5-7
24 VAC
J5, 9-10