Liebert ITR - Manual

Liebert ITR

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Table of Contents:

  • Page 3 – TABLE OF CONTENTS
  • Page 4 – ii
  • Page 5 – iii; FIGURES
  • Page 6 – iv; TABLES
  • Page 7 – Introduction; NTRODUCTION; System Descriptions; Liebert Challenger ITR; GLYCOOL Models; sure control. Unit is designed for outdoor location.; Centrifugal Fan
  • Page 8 – Installation; NSTALLATION; Room Preparation; Table 1; reduce the effectiveness of the air distribution.; Remote Sensor Installation Location; highest point that equipment will draw in cooled air.; Equipment Handling; NOTE; Locate and remove shipping screw on fan motor base.; WARNING
  • Page 9 – ing pressing on the top edges of the packaging.; NOTICE; through a standard doorway will damage the unit.; or similar machine to ensure that the unit is lifted properly.; Figure 1; frame to lift the unit.
  • Page 10 – Figure 2; Unit Weight
  • Page 11 – Figure 3
  • Page 12 – Piping Considerations; electronic equipment.; Split System Fan Coil Unit Connection Sizes—in.
  • Page 13 – Figure 4; Monitoring Panel; PIPING OUTLET LOCATIONS; (See Cabinet and Floor Planning
  • Page 14 – Figure 5
  • Page 15 – Figure 6
  • Page 16 – Figure 7
  • Page 17 – Electrical Connections; within the unit behind the front door.; Figure 8; service not by Liebert.; Electrical Handy Box*
  • Page 18 – Special alarm connections; . Field-supplied 24V Class 1 wiring for special alarm. Connection; Liebert SiteScan; . Field-supplied 24V Class 1 wiring to remote condensing; Smoke detector alarm connections; . Field-supplied 24V Class 1 wiring to remote alarm circuits.; Balancing the Air Distribution
  • Page 19 – Checklist for Completed Installation
  • Page 20 – Condenser Location; denser to the steel supports or concrete pad.; with local and national codes.
  • Page 22 – Refrigerant Piping; coil; Equivalent Length
  • Page 23 – Fan Speed Control Systems; monitoring refrigerant pressure.
  • Page 24 – all compressor service valves.; CAUTION; All local codes for handling refrigerant must be followed.; type before topping off or recharging a system.; introduced and charged from the cylinder only as a liquid.
  • Page 25 – Figure 10 Air-cooled fan speed control general arrangement; Li qu id Ret ur n
  • Page 26 – Lee-Temp/Flood Back Head Pressure Control Systems
  • Page 27 – Lee-Temp Control Type Condenser; before topping off or recharging a system.
  • Page 28 – Dehydration/Leak Test; open during the dehydration process.; Low Pressure Cut Out
  • Page 29 – SINGLE CIRCUIT SHOWN
  • Page 30 – installed near the base of the unit or below the elevated floor.; Condenser; is available as an option.
  • Page 31 – Figure 12 Water-cooled general arrangement
  • Page 32 – Water Regulating Valve; Figure 13 Johnson Controls valve adjustment; Water Regulating Valve Manual Flushing; If this fails, the valve must be disassembled for cleaning the seat.
  • Page 33 – Drycooler Location; the drycooler to steel supports or concrete pad.
  • Page 34 – Glycol Piping; trols, and flow switches are just a few of these devices.; result from freezing of residual water.; Room dew point temperatures; Dry Bulb
  • Page 35 – Filling Instructions; and; Volume in standard Type “L” copper piping; Volume
  • Page 36 – occur from either freezing or corrosion from water.; Ethylene glycol concentrations; Apparent Specific Gravity
  • Page 37 – Do not mix products of different manufacturers.
  • Page 38 – Figure 14 Drycoolers and pump packages; apart on single pump packages and 30-; Angles located
  • Page 39 – Gallon Expansion Tank
  • Page 40 – Figure 16 Glycol general arrangement
  • Page 41 – Figure 17 GLYCOOL general arrangement
  • Page 42 – Regulating Valve Adjustment; ing the valve, refer to
  • Page 43 – Chilled Water Models; HILLED; near the base of the unit or below the elevated floor.; Figure 18 Chilled water general arrangement - horizontal flow (BR)
  • Page 44 – Split System Models; PLIT; Location Considerations; ing guidelines and to; Figure 23 - Detail of ceiling hanging bracket; for dimensional data.
  • Page 45 – topping off or recharging a system.; for field
  • Page 46 – Check system for leaks with a suitable leak detector.; Unit refrigerant charge
  • Page 47 – Figure 19 Refrigerant piping diagram
  • Page 48 – bodies “bottom out” or until a definite resistance is felt.; connecting quick connects.
  • Page 49 – Outdoor Air-Cooled Condensing Units; UNIT DIMENSIONS
  • Page 50 – Horizontal air discharge piping and electrical connection data; Model Numbers
  • Page 51 – FOOTPRINT; * System 1 and System 2 on
  • Page 52 – Piping and electrical connections - top air discharge
  • Page 54 – Centrifugal Air-Cooled Condensing Units; Installing the Indoor Condensing Unit; Refer to drawings for unit dimensions and component locations.; Detail of ceiling hanging bracket; Use the Nylock nuts to “jam” the plain nuts.; Table 28 - Indoor centrifugal condensing unit; The units must be level in order to operate properly.; Indoor centrifugal condensing unit; Model
  • Page 55 – Figure 23 Detail of ceiling hanging bracket; directed toward the air inlet of an adjacent unit.
  • Page 57 – Removable access panels
  • Page 58 – Figure 26 Split systems general arrangement; AIR COOLED
  • Page 59 – Water and Glycol-Cooled Condensing Units; For installation guidelines, refer to; Installing the Indoor Condensing Unit on page 48.; Regulating Valve Adjustment and Testing; Refer to; Cooled Models; Condenser Water Inlet; Water and glycol-cooled condensing unit data
  • Page 60 – Figure 27 Water/glycol-cooled condensing unit dimensions
  • Page 61 – NOTES
  • Page 62 – EFRIGERANT
  • Page 63 – Calculating Subcooling; Example; on; Why There Are Two R407C Temperature and Pressure Tables; heat or operating controls.; Use this table for subcooling calculation ONLY. See
  • Page 64 – Precision Cooling
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Precision Cooling
For

Business-Critical Continuity™

Liebert

®

Challenger

™

ITR

Installation Manual - Nominal Capacities 23 or 33 kW, 50 & 60Hz

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Summary

Page 3 - TABLE OF CONTENTS

i TABLE OF CONTENTS 1.0 I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 System Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1....

Page 4 - ii

ii 5.2 Drycooler Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 5.3 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 5.3.1 Line Voltag...

Page 5 - iii; FIGURES

iii FIGURES Figure 1 Removing Liebert Challenger ITR from skid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 2 Cabinet dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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