Carrier 40UV - Page 28

28
LEGEND
ADJ — Adjust
AQ — Air Quality
CCN — Carrier Comfort Network® Controls
COM — Common
ENT — Enthalpy Sensor
GND — Ground
MAT — Mixed-Air Temperature Sensor
OA ENTH — Outdoor-Air Enthalpy
OAT —
Outdoor-Air Temperature
Sensor
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
TB — Terminal Block
NOTE: Only one SPT sensor can be used. If wall-mounted sensor option is used,
unit-mounted sensor wire to terminal T1 must be removed.
Fig. 11 — Unit Ventilator Comfort Control Module with Sensor Connections
J1
POWER
J4
SERVICE CONNECTOR
J3
CCN
321
321
T26
T28
T30
T29
24Vdc
COOLING
OUTPUT
T31
T32
HEATING
OUTPUT
T33
T34
MIXED AIR
DAMPER
OUTPUT
T37
T38
T39
COOLING
ENABLE
NO
NC COM NO
NC
COM
K2
MED/LO
FAN SPEED
K3
HI/MED
FAN SPEED
K1
FAN ON/OFF
NO NC
COM
CHANGEOVER
SPARE
LOW LIMIT
T25
T24
T23
T22
COMMON
GND
FAN STATUS
OA ENTH
REMOTE
S/S
FIRE SMOKE
DISCRETE
SWITCH
INPUTS
T17
T18
T20
T19
T21
RH
AQ
T9
T10
T11
T12
T13
T14
T15
T16
MAT
OAT
T8
T7
T6
T5
T4
T3
T1
T2
SAT
SPT/RAT
ANALOG
SENSOR
INPUT
SPT ADJ
T35
T36
HEATING
ENABLE
ENT
TB
SPT
SAT
MAT
OAT
OPTIONAL
WALL SENSOR
RAT