Carrier 48LC Series - Input-Output Board (IOB)

69
Input-Output Board (IOB)
See Fig. 37 and Table 28.
Fig. 37 — Input-Output Board (IOB)
PD4-AUX1 32GB 500 322 EE CEPL130487-01
STATUS SIO
CH14
CH13
T
P
V
T
P
V
SIO
J9
J8
J5J4
J3
J2
J1
J7
J6
CH13 CH14
3 -- GRSV RSV +--G +
2 1 321
24VAC
12 11
CH
1
--
CH
2
--
CH
3
--
CH
4
--
CH
5
--
CH
6
--
CH
7
--
CH
8
--
CH
9
--
CH
10
--
CH
11
--
CH
12
--
Table 28 — Input-Output Board (IOB) Connections
DISPLAY NAME POINT DESCRIPTION SENSOR LOCATION TYPE OF I/O
CONNECTION
PIN NUMBER
Inputs
HUM HUMIDISTAT Field-installed Switch Input J1.1
SPRH SPACE RELATIVE HUMIDITY Field-installed 0-20 mA J9.2
Outputs
RDV REHEAT DISCHARGE VALVE 24 VAC J2, 1
LDV LIQUID DISCHARGE VALVE 24 VAC J2, 2
Communication
LEN LOCAL EQUIPMENT NETWORK (LEN) Communication J12