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YLCA/YLHA PLUS 5 to 27 R-410A
Technical Information
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ER-0028/1991
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Johnson Controls Manufacturing España. S.L. is participating in the EUROVENT Certification
Program.
Products are as listed in the EUROVENT Directory of Certified Products. in the program AC1.
AC2. AC3. LCP and FC.
The LCP program covers air condensed water chillers and heat pumps of up to 600 kW.
Ref: N-27723 0309M

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Summarization of Contents

General Information
Nomenclature
Explains the coding system for unit identification and model designation.
Models Available and Capacities
Lists the YLCA and YLHA PLUS series models with their cooling and heating capacities.
General Description
Provides a brief overview of the YLCA/YLHA PLUS units' performance and features.
Features and Advantages
Dynamic Set Point and Buffer Tank Suppression
Describes advanced control functions for temperature management and energy saving.
Technical Specifications - Components
Casing and Internal Components
Details the construction materials and internal components like casing, compressor, and heat exchangers.
Fans and Control Systems
Describes the axial fans used and the electric and control panel layout.
Technical Specifications - Circuits
Cooling and Hydraulic Circuits
Details the components within the cooling circuit and the hydro kit assembly.
Low Ambient Temperature Kit
Explains the optional kit for low ambient temperature operation.
Physical Data
Cool Only Units Data
Provides detailed technical specifications for YLCA cool only units.
Heat Pump Units Data
Provides detailed technical specifications for YLHA PLUS heat pump units.
System Operation Diagrams
Heat Pump Operation (YLHA PLUS 5-15)
Illustrates the cooling and heating cycles for YLHA PLUS 5-15 models.
Heat Pump Operation (YLHA PLUS 20-27)
Illustrates the cooling and heating cycles for YLHA PLUS 20-27 models.
Cool Only Operation (YLCA)
Illustrates the cooling cycle for YLCA cool only units.
Selection Guides
Necessary Information for Selection
Lists essential data required for selecting the correct YLCA/YLHA PLUS unit.
Selection Examples
Provides practical examples for selecting units based on design conditions.
Installation Instructions and Safety
Installation Procedures and Safety
Covers inspection, environmental protection, elimination, and safety guidelines for installation.
Handling and Warning Signs
Provides guidance on safe handling and interpretation of unit warning signs.
Location and Clearances
Unit Placement and Fastening
Details guidelines for locating, orienting, and securely fastening the unit.
Minimum Technical Clearances
Specifies required clearances around the unit for operation and maintenance.
Wiring and Electrical Characteristics
Electrical and Hydraulic Connections
Describes how to properly connect electrical power and hydraulic piping.
Electrical Characteristics
Lists electrical data including voltage, power, and current for compressors and fans.
General Dimensions
YLCA/YLHA PLUS 5-15 Dimensions
Provides detailed dimensional drawings for YLCA/YLHA PLUS 5 to 15 units.
YLCA/YLHA PLUS 20-27 Dimensions
Provides detailed dimensional drawings for YLCA/YLHA PLUS 20 and 27 units.
Operating Instructions and Parameters
Control Unit Description
Explains the functions and components of the µC2 control unit.
Parameter Overview
Details the different parameter tables and their organizational structure.
Alarms and Symbols
Symbols on Display
Explains the meaning of symbols displayed on the unit's interface.
Alarm Summary Table
Lists all possible alarms, their causes, and reset methods.
Accessories
Remote Terminal and Connectivity
Describes the remote terminal, its installation, and communication wiring.
Buffer Tanks
Details buffer tank specifications, installation, and variants.
Heaters and High Pressure Fans
Describes heater wiring and high pressure fan accessory installation.
Special Kits
Low Ambient Temperature Kit
Explains the installation and setup of the ratiometric pressure transducer kit.
Tray Heater Kit
Details the installation of the flexible cable heater for tray drain protection.
Compressor Heater Kit
Describes the assembly and wiring for the compressor heater accessory.

Table of Contents