Carrier 48PG03-16 Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 106

Single package small rooftop units with comfort link controls and puron (r---410a) refrigerant
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17
J10
SEPARATION OF CIRCUITS TO EACH 24V TRANSFORMER MUST BE MAINTAINED
1
2
3
4
5
TERMINAL LABEL
DISPLAY NAME
1
2
3
OAQ or
4
SP .RH
5
RM.OC
6
ENTH or
7
IAQ.S
EC.CP or EC.AP
8*
EC.CP
9
EC.CP
10*
EC.AP
R
Y1
Y2
W1
W2
G
C
X
ALRM
FIRE SHUTDOWN 1-2,
FDWN
or
HUMIDISTAT 1-2*
T55 1-2
T55 2-3
SPTO or RAT
LEN
CCN
* Refer to Third Party Control section for information on wiring fire shutdown with a Humidi---MiZert System and Economizer monitoring wiring.
14
J11
6
7
8
9
10 R
Y1 Y2 W1 W2 G
Fig. 32 --- Low- -Voltage Terminal Strip
Table 105—Field Connection Terminal Strip
POINT DESCRIPTION
24 VAC power
Indoor air quality sensor
IAQ
Indoor & outdoor air quality common
Outdoor air quality sensor, or
Space humidity sensor
Remote occupancy switch
Outdoor enthalpy switch power
Outdoor enthalpy switch, or
Indoor air quality switch
Economizer actuator (digital control)
Economizer actuator (analog control)
Economizer signal common
Economizer actuator (digital control)
Economizer actuator (analog control)
24 VAC power
Thermostat Y1 (1st stage cool)
Y1
Thermostat Y2 (2nd stage cool)
Y2
Thermostat W1 (1st stage heat)
W1
Thermostat W2 (2nd stage heat)
W2
Thermostat G (Fan)
G
24 VAC common
Alarm output (normally open)
Fire shutdown switch
HUM
Space humidity switch
Space temperature (T55/56)
SPT
Space temperature offset (T56) or
Return air temperature
Local Equipment Network (LEN)
Carrier Comfort Network (CCN)
7
7
RUN TEST
J12
FIRE SHUTDOWN
T55
C
X
1
2
1
2
SENSOR LOCATION
return/space
economizer
space
field installed
economizer
economizer, or
return/space
economizer
economizer
economizer
space
space
space
space
space
supply/return/space
space
space
space or return
106
J13
8
(+)
(COM)
(-)
SHIELD
FAN STATUS
CCN
3
1
2
LEN
CCN
C07029
CONNECTION
TYPE OF I/O
PIN NUMBER
24 VAC output
J10, 17
4-20 mA input
J10, 16
4-20 mA input
J10, 15
4-20 mA input
J10, 14
24 VAC input
J10, 13
24 VAC input
J10, 11-12
24 VAC input
J10, 9-10
2-10 VDC output
J10, 6-8
2-10 VDC output
VDC
J10, 3-5
communication
J10, 1-2
2-10 VDC output
24 VAC output
J11, 11-14
24 VAC input
J11,10
24 VAC input
J11, 9
24 VAC input
J11, 7-8
24 VAC input
J11, 6
24 VAC input
J11, 5
24 VAC output
J11, 2-4
24 VAC output
J11, 1
switch input
J12, 6-7
10k thermistor
J12, 4-5
10k thermistor
J12, 3-4
communication
J13, 1-3, 4-5
communication
J13, 6-8, 4-5

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