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Carrier Aquasnap 30RQ 090R User Manual

Carrier Aquasnap 30RQ 090R
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INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS
Translation of the original document
* The availability of sizes and options depends on the country. Please contact your local commercial dealer for more information.
Air-Cooled Liquid Chillers
Reversible heat pumps
30RB/30RQ 040R-160R
Rated cooling capacity 40-160 kW
R-32

Table of Contents

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Carrier Aquasnap 30RQ 090R Specifications

General IconGeneral
BrandCarrier
ModelAquasnap 30RQ 090R
CategoryChiller
LanguageEnglish

Summary

Handling and Positioning

Handling

Guidelines for safely moving the unit using forklifts or slings, emphasizing correct lifting points.

Positioning

Requirements for outdoor installation, level placement, and ensuring adequate space for operation and maintenance.

Physical and Electrical Data for the Units

Electrical Data Notes: 30RB/30RQ 040R-160R

Electrical data including voltage, input power, current draw, and start-up current for the 040R-160R range.

Electrical Connection

Power Supply

Specifications for the power supply, including voltage range and warnings about incorrect voltage or phase imbalance.

Recommended Cable Sections

Guidelines for selecting appropriate cable sections based on installation site regulations and unit requirements.

Application Data

Operating Range

Details on the operating ranges for water and air temperatures for different unit configurations.

Water Connections

Operating Precautions and Recommendations

Precautions for water circuit connections, including analysis, treatment, and material compatibility.

Water Connections

Schematic diagrams and component keys for hydraulic circuits with and without hydraulic modules.

Units with Hydraulic Module and Variable-Speed Pump - Pressure Differential Control

How variable speed pumps maintain constant pressure differential by adjusting pump speed based on pressure sensor readings.

Units with Hydraulic Module and Variable-Speed Pump - Temperature Difference Control

How variable speed pumps maintain constant temperature difference by adjusting pump speed based on temperature sensors.

Nominal System Water Flow Rate Control

Available Static Pressure for the Installation

Charts showing available static pressure versus water flow rate for high pressure pumps.

System Start-Up

Checks Before System Start-Up

Comprehensive checklist of visual and documentation checks required before initiating system start-up.

Commissioning

Steps for unit commissioning, including ensuring all checks are done and safety devices are operational.

Essential Points to Check

Key checks for compressors, hydraulics, and refrigerant charge during system start-up.

Main Components of the Unit and Operating Characteristics

SmartVu™ Control

Overview of the SmartVu™ control interface, its characteristics, and user-friendly features.

Options

Unit Operation with a Free Cooling Drycooler

Explanation of the free cooling system using drycoolers to chill water, optimizing energy savings with low outdoor air temperatures.

Standard Maintenance

Level 1 Maintenance

Simple maintenance tasks for users, including visual inspections, cleaning air-cooled exchangers, and checking alarms.

Level 2 Maintenance

Maintenance requiring specific expertise, including electrical, hydraulic, and mechanical checks, and component tightening.

Level 3 Maintenance

Advanced maintenance tasks requiring manufacturer or qualified personnel, such as component replacement and refrigerant handling.

Tightening of the Electrical Connections

Table detailing torque values for tightening various electrical connections on components like compressors, contactors, and circuit breakers.

Tightening Torques for the Main Fastenings

Table of torque values for tightening main fastenings on components such as compressor brackets, rails, and fan supports.

Unit Start-Up Checklist for Installers Prior to Contacting the Manufacturer

Preliminary Equipment Check

Checklist for shipping damage and its impact on unit start-up, and verification of installation, power supply, and wiring.

Unit Start-Up Procedures

Checklist items for unit start-up, including pump cabling, oil level, leak checks, and voltage imbalance.

Evaporator Water Loop Check

Checks for evaporator water loop volume, corrosion inhibitor, frost protection, electric tape heaters, and screen filter.

Checking Evaporator Pressure Drop or ESP

Procedure for checking evaporator pressure drop or ESP, and using curves to determine flow rate.

Carry Out the QUICK TEST Function

Instructions to perform and log the QUICK TEST function, including sequence, capacity, and setpoint configurations.

Temperatures and Pressures Monitoring

Guidance on recording stable operating temperatures and pressures for various circuits and components.

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