Emerson CW026 - Figure B-4 Liebert Air Economizer Temperature and Humidity Sensor Wiring

Customer-supplied Equipment and Ductwork
99 Liebert
®
CW
™
System Design Manual
Figure B-4 Liebert Air Economizer temperature and humidity sensor wiring
B
O
T
H
PO
S
S
I
B
L
E
L
O
W
V
O
L
T
A
G
E
C
O
M
P
A
RT
M
E
NT
S
S
HO
W
N.
I
D
E
NT
I
F
Y
W
H
I
CH
A
P
P
L
I
E
S
B
C
D
BOTH SENSORS
AND CABLES
ARE SHIPPED
IN BOXES
INSIDE ECONOMIZER
DETAIL D
CONNECT P67 ON THE
CONTROL BOARD
TO P66 ON THE
RETURN AIR T/H SENSOR
USING CABLE PROVIDED
SECURE RING TERMINAL
(FOR SENSOR CABLE SHIELD)
INTO BACK OF ELECTRIC BOX
(EARTH GROUND)
DETAIL C
CONNECT P66 ON THE
RETURN AIR T/H SENSOR
TO P67 ON THE CONTROL
BOARD USING CABLE
PROVIDED
DETAIL B
MOUNT OUTDOOR
AIR SENSOR
INSIDE OF OUTDOOR
AIR PLENUM
SECURE RING TERMINAL
(FOR SENSOR CABLE SHIELD)
INTO METAL DUCT
(EARTH GROUND)
CONNECT P66 ON THE
OUTDOOR AIR T/H SENSOR
TO P67 ON THE RETURN
AIR T/H SENSOR
USING CABLE PROVIDED
ROUTE CABLE THROUGH
CUSTOMER CREATED HOLE
IN PLENUM, THEN SEAL
OUTDOOR AIR
T/H SENSOR
RETURN AIR
T/H SENSOR
FRONT VIEW
RETURN AIR
T/H SENSOR
MOUNT RETURN AIR
T/H SENSOR INDOORS,
ABOVE UNIT RETURN
CONNECT P67 ON THE
RETURN AIR T/H SENSOR
TO P66 ON THE OUTDOOR
AIR T/H SENSOR
USING CABLE PROVIDED
OUTDOOR AIR
T/H SENSOR
(IDENTIFIED WITH
OUTDOOR LABEL)
DPN001449
Pg. 4 Rev. 3