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REFER TO SL-16655, LIEBERT XTREME DENSITY SYSTEM DESIGN MANUAL, AND SL-16674, LIEBERT XDC USER MANUAL FOR ADDITIONAL DETAIL.

DPN001599

REV 12/11
REV 4

LIEBERT XD CHILLER (XDC) WITH iCOM CONTROLS

PAGE 5/6

Three phase electric
service not provided
by Liebert.

Field supplied disconnect
switch may not be required,
check local codes.

NOTE: Refer to specification sheet for full load amp. and wire size amp. ratings.

60HZ COMPONENTS SHOWN

Factory installed disconnect switch

EARTH GROUND CONNECTION
Connection terminal for field supplied
earth grounding wire.

HEAT REJECTION CONNECTION (R-407C Side)
Field supplied 24V. Class 1 wiring to
interlock heat rejection from pigtails:
70A & 71A - Compressor 1 circuit
70B & 71B - Compressor 2 circuit
70C & 71C - Dual Cool relay (optional)

THREE PHASE CONNECTION
Electric service connection terminals

Electrical handy box factory
installed with cover.

Factory wired to components
on electric panel

EARTH GROUND BAR (50Hz only)
Connection terminal with factory
ground from each high voltage
component

Three phase electric service
not by Liebert.

ELECTRIC CONDUIT KNOCKOUTS
On top of electric box. Knockout size
2 in (51 mm)

ALARM AND WARNING OUTPUT RELAYS
Field supplied 24V Class 2 wire for
special alarms. 
(Not to exceed 1.0A @ 24v each.)

REMOTE UNIT SHUTDOWN
Replace existing jumper between terminals 
37 & 38 with normally closed switch having 
a minimum 50VA rating. Use field supplied
24V Class 2 wire.

INTELLISLOTS
Two Liebert Intellislots    for optional
OCWEB-LBDS or OC485-LBDS card.

®

®

iCOM display

Factory installed unit
disconnect switches

 CANBUS ISOLATOR

Summary of Contents for XD Chiller (XDC)

Page 1: ...ed of stainless steel plates copper brazed PUMPS Centrifugal type Uses R 134a STANDARD CONTROL PROCESSOR The standard control system is microprocessor based with an external LCD numerical display to allow observation of specified settable functions Normal operating conditions are indicated on the LCD display panel which is mounted to the unit The control system also monitors unit operation and act...

Page 2: ...ARANCE OF 36in 914mm BE PROVIDED FOR COMPONENT ACCESS C UNIT DIMENSIONAL DATA D Unit Base E Unit Base FLOOR CUTOUT DIMENSIONS 5in 127 mm RECOMMENDED MINIMUM HOT GAS SUPPLY LIQUID RETURN PIPING OPENING D 1in 25 4mm 2in 50 8mm 17in 431 8mm Dimension Does Not Include the Bezel of the Disconnect Switch or iCOM Display MODEL 50 60 HZ A B C D E F DOM EXPORT XDC160 74 1880 34 864 33 1 8 841 33 838 72 182...

Page 3: ...oller Allow 8in 204mm Of Clearance For Filter Replacement Filter assembly may be positioned horizontally To Ensure All Refrigerant Flow is Filtered Install the Filter Drier Assembly Between the Discharge Line of the Liebert XDC and the first Bypass Flow Controller or the first Liebert XD Cooling Module 21in 533mm 8in 203mm 22in 559mm 3 1 4in 83mm Liquid Supply Line To Cooling Units Hot Gas Refrige...

Page 4: ...bly in liquid supply line Flow Direction Must be toward Return Main Replaceable Filter Drier Assembly RETURN SUPPLY Factory Piping Field Piping Bypass Flow Control Assembly Return Main Supply Main Bypass Flow Controller Factory Supplied and Field Installed Field Supplied and Field Installed Field Supplied and Field Installed Install Bypass Flow Control Assembly between the Liebert XDC and first Li...

Page 5: ...r 1 circuit 70B 71B Compressor 2 circuit 70C 71C Dual Cool relay optional THREE PHASE CONNECTION Electric service connection terminals Electrical handy box factory installed with cover Factory wired to components on electric panel EARTH GROUND BAR 50Hz only Connection terminal with factory ground from each high voltage component Three phase electric service not by Liebert ELECTRIC CONDUIT KNOCKOUT...

Page 6: ...INPUT FAN BREAKER STATUS N O CONTACTS REQUIRED 51 24 ALARM WHEN CLOSED INPUT CONDENSATION DETECTION FOR SHUTDOWN OF CONTROL CIRCUIT REMOVE JUMPER BETWEEN TERMINALS 37 38 AND REPLACE WITH N C CONTACT 38 37 INPUT REMOTE SHUTDOWN N C CONTACTS BY OTHERS K3COM COMMON ALARM OUTPUT K3NO K3NC K3 TO REMOTE ALARM CIRCUIT BY OTHERS FOR CONTACTS INDICATING AN ALARM CONDITION MAX 1 0AMP 24V K3 FOR CONTACTS IND...

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