DOWNFLOW MODELS CW106 & CW114
F
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N
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: D
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10
40
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4
ELECTRICAL FIELD CONNECTIONS
LIEBERT CW
REV : 1
REV DATE : 4/19
DPN004549
Page :1 /2
Temperature and
Humidity Sensor
Earth ground bar (optional).
Connection terminals with factory
ground from each high voltage
component for field supplied
earth grounding wire.
Electric conduit knockouts.
Bottom of electric box.
Knockout sizes 1 3/8"(35mm)
or 1 3/4" (45mm) or 2 1/2" (64mm).
Three phase electric service.
Not provided by Liebert.
Three phase connection.
Electric service connection
terminals when factory
disconnect switch is supplied.
Disconnect switch.
Factory installed.
Earth ground connection (60 HZ).
Connection terminal for field supplied
earth grounding wire.
Three phase connection (60Hz).
Electric service connection
terminals when factory disconnect
switch is NOT supplied.
Common alarm connection.
Field supplied 24V, Class 1
wiring to common alarm terminals 75 + 76 which are factory
connected to common alarm relay (R3).
Smoke detector alarm connections.
Field supplied 24V,
Class 1 wire to remote alarm circuits. Factory wired terminals
from optional smoke detector are #91-comm., #92-NO, and
#93-NC.Supervised contacts, 80 & 81, open on sensor
trouble indication. This smoke sensor is not intended to function
as, or replace, any room smoke detection system that may be
required by local or national codes.
Customer alarm connections.
Field
supplied 24V, Class 1 wire for customer
alarm terminals 24, 50, 51, 55, 56.
Remote unit shutdown.
Replace existing jumper between
terminals 37 + 38 with normally closed
switch having a minimum 50VA rating.
Use field supplied, 24V Class 1 wire.
May be fused
disconnect with
internal fuses.
Fused Disconnect View
Three phase connection.
Electric service connection
terminals when factory fused
disconnect switch is supplied.
Main fuseblock and fuses not present when fused
disconnect installed or on 50Hz units.
Three phase connection (50Hz).
Electric service connection
terminals when factory disconnect
switch is NOT supplied.
Monitoring
Panel
Field supplied disconnect switch when factory
installed unit disconnect is not provided.
Select per National and local codes.
3 phase electrical service
not by Liebert.
Factory installed unit
disconnect switch.
Liqui-Tect shutdown and dry contact.
On Liqui-Tect activation, normally open dry
contact is closed across terminals 58 & 59
for remote indication (Liqui-Tect sensor
ordered separately). 1 AMP, 24VAC max
load. Use Class 1 field supplied wiring.
NOTE: Refer to specification sheet for full load amp and wire size amp ratings.
Содержание Liebert CW 038
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