Liebert® LPC Series Precision Air Conditioning

1 Liebert LPC Series Precision Air Conditioning User Manual 2 Vertiv I Liebert LPC I User Manual Copyright by Vertiv Co. Ltd. The content in this document is subject to change without notice. All rights, including rights of translation, reproduced by printing, copying or similar methods, and even of parts, are reserved. Violators will be liable for damages. All rights, including rights deriving from patent license or registration of a utility model or design, are reserved. No part of this document may be reproduced or transmitted in any form or by any means without the prior written consent of Vertiv Co.

2 Ltd. Notice The purchased products, services, and features are stipulated by the contract made between Vertiv Co. and the customer. All or part of the products, services, and features described in this document may not be within the purchasing scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied. The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure the accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied.

3 Vertiv Co., Ltd. China Website: E-mail: Customer service hotline: 4008876510 Asia Pacific Homepage: E-mail: For Technical Support, users may contact the nearest Vertiv Co. local sales office or service centre. 3 Vertiv I Liebert LPC I User Manual Purpose of the Document This document applies to the Series of Precision air conditioners and cooling solutions which maintain an optimal environmental control of technological ecosystems at minimal operating costs. This document gives an overview of the specifications, installation, and commissioning & maintenance procedures with troubleshooting from the user perspective.

4 The figures used in this document are for reference only. Please read this manual carefully before installing, maintaining, and troubleshooting. Styling used in this Guide The styles used in the manual will be defined as mentioned in the following table: Situation Description Warning/Danger/Caution The Warning/Danger/Caution note indicates a hazardous or potentially harmful situation that can result in death or injury. It also indicates instructions that need to be adhered to, failing which may result in danger and safety issues thereby having an adverse effect on the reliability of the device and security.

5 Even for practices not related to physical injury, the content under the Warning heading is used for precautions which need to be taken which, otherwise, could result in equipment damage, performance degradation, or interruption in service. Note The Note section indicates additional and useful information, including tips and tweaks. It also calls attention to best practices and industry-best protocols that are standardized and help make maximum utilization of the resources at hand. Helpful information related to the mainstream stuff also comes under the Note heading helping the users get to grips with the definitions, concepts, and terminologies used in the manual.

6 Version History Issue Revision Change 31013548 - 4 Vertiv I Liebert LPC I User Manual Table of Contents 1 Product Overview .. 10 Product Introduction ..10 Model Description .. 11 Model Nomenclature .. 12 Components .. 13 Compressor .. 13 Evaporator .. 13 Electronic Expansion valve (EEV) .. 14 EC Fans .. 14 Infrared Humidifier .. 15 Electric Heaters .. 15 Filter-driers .. 16 Controller .. 16 Liquid Indicator .. 17 Condenser .. 17 Optional Components .. 18 Two stage electric heating .. 18 Plenum .. 18 Multiple Temperature and Humidity sensors .. 18 Air Filter.

7 18 SIC card .. 18 Operating Parameters .. 19 Storage Environment .. 19 Operating Environment .. 19 2 Installation .. 21 Pre-installation .. 21 Transportation and Movement .. 21 5 Vertiv I Liebert LPC I User Manual Unpacking for Paper Packaging .. 22 Unpacking for Wooden Packaging .. 23 Removal of external package .. 24 Inspection ..25 Installation Preparation ..26 Equipment Room Requirement .. 26 Installation Space requirements .. 26 Mechanical Installation .. 27 System arrangement during installation .. 28 System Installation ..29 Product Dimensions.

8 30 Plenum Dimensions .. 30 Base pallet cut-out location dimensions .. 31 Positions & Dimensions of the 31 Side panel Knock-out locations .. 32 Installation of the Indoor unit .. 33 Installing the base ..33 Vibration absorption .. 34 Installation of the indoor unit cabinet .. 34 Installing the Condenser .. 34 Piping for the unit .. 34 Connecting the condensate drain pipe of the indoor 35 Connecting the water inlet pipe of the infrared humidifier .. 35 Connecting copper pipes between the indoor unit and condenser .. 36 Installing the pipe extension kit.

9 37 Charging the refrigerant and adding the refrigerant oil .. 40 Removing Fastener & Vibration Absorbers .. 41 Removal of the transportation fixing plate from the compressor .. 41 Removal of the fastener of infrared humidifier .. 42 6 Vertiv I Liebert LPC I User Manual Removal of pipe fasteners .. 43 Inspection of Mechanical Installation checklist .. 43 Electrical Installation .. 44 Wiring of the Indoor unit .. 44 Locating electrical ports of Indoor units .. 44 Connecting the power cable of the indoor unit ..45 Remote Temperature & Humidity Sensor placement.

10 46 Connecting the Control Cables .. 48 Connecting the water-under- floor sensor .. 48 Remote Shutdown .. 48 Customized Alarm terminals .. 48 External General 49 SIC Card .. 49 Connecting the Solenoid valve of the Pipe Extension kit (Optional) .. 50 Outdoor Wiring of the Condenser .. 50 Inspection of Electrical installation .. 51 Pre-Commissioning Checklist ..52 3 Commissioning .. 54 Adding the Refrigerant .. 54 Packing .. 54 Vacuuming the system .. 54 Service tools operation on the controller .. 54 Manual operation for evacuation mode .. 54 Adding refrigerant oil.