Carrier 40UV Installation, Start-Up And Service Instructions Manual page 37

J1
POWER
J4
SERVICE CONNECTOR
J3
CCN
ANALOG
SENSOR
T26
INPUT
24Vdc
T28
T29
COOLING
OUTPUT
T30
T31
T32
HEATING
OUTPUT
T33
T34
MIXED AIR
T35
DAMPER
OUTPUT
DISCRETE
T36
SWITCH
INPUTS
T37
HEATING
T38 ENABLE
COOLING
T39
ENABLE
K2
K3
MED/LO
HI/MED
FAN SPEED
FAN SPEED
NO NC COM NO
NC
ADJ — Adjust
AQ — Air Quality
CCN — Carrier Comfort Network®
COM — Common
GND — Ground
MAT — Mixed-Air Temperature Sensor
OA ENTH — Outdoor-Air Enthalpy
OAT — Outdoor-Air Temperature Sensor
Fig. 24 — Wiring of Relative Humidity Sensor to Control Board
T1
SPT/RAT
T2
T3
SAT
T4
T5
MAT
T6
T7
OAT
T8
T9
SPT ADJ
T10
T11
T12
RED
T13
AQ
T14
WHITE
T15
RH
T16
BLACK
SHIELD
FAN STATUS
T17
T18
OA ENTH
T19
REMOTE
T20
S/S
T21
FIRE SMOKE
T22
LOW LIMIT
T23
CHANGE OVER
T24
SPARE
COMMON
T25
GND
K1
FAN ON/OFF
COM NO NC
COM
LEGEND
NC — Normally Closed
NO — Normally Open
RAT — Return-Air Temperature Sensor
S/S — Start/Stop
SAT — Supply-Air Temperature Sensor
SPT — Space Temperature Sensor
RH — Relative Humidity
37
499
RESISTOR
3 CONDUCTOR
(SUPPLIED
20 AWG SHIELDED
W/SENSOR)
CABLE
HUMIDITY SENSOR
+
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