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Carrier Aquasnap 30RB 090R User Manual

Carrier Aquasnap 30RB 090R
56 pages
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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 30RB 090R Specifications

General IconGeneral
Model30RB 090R
CategoryChiller
Cooling Capacity90 kW
Compressor TypeScroll
RefrigerantR-410A
Power Supply400V/3Ph/50Hz
Sound Level68 dB(A)
Dimensions (L x W x H)2280 x 1100 x 2170 mm
Weight1980 kg

Summary

Introduction and Safety Instructions

Receipt of Goods

Handling and Positioning

Positioning

Instructions for outdoor installation, site requirements, and clearance considerations.

Physical and Electrical Data for the Units

Electrical Data Notes (Units)

Electrical data like voltage, current draw, power input, and start-up current.

Electrical Connection

Power Supply Requirements

Requirements for the unit's power supply, including voltage and phase balance.

Recommended Cable Sections

Guidelines for selecting appropriate cable sizes based on installation conditions.

Application Data

Unit Operating Range

Defines the operational limits for water and air temperatures for various unit configurations.

Min. Heat Transfer Fluid Flow Rate

Specifies minimum flow rates for heat transfer fluid to ensure efficient exchange.

Max. Heat Transfer Fluid Flow Rate

Defines maximum flow rates for heat transfer fluid to avoid exceeding pressure drop limits.

Water Connections

Water Connection Precautions

Essential checks and recommendations for connecting hydraulic circuits and ensuring proper fluid compatibility.

Variable Speed Pump: Pressure Differential Control

Control method for variable speed pumps maintaining constant pressure differential.

Variable Speed Pump: Temperature Differential Control

Control method for variable speed pumps maintaining desired temperature difference.

System Start-Up

Pre-Start-Up Checks

Comprehensive checklist of visual and documentation checks required before initial unit startup.

Unit Commissioning

Steps and precautions for the unit commissioning process, supervised by qualified personnel.

Essential Start-Up Checks

Key checks for compressors, hydraulics, and refrigerant charge before operation.

Standard Maintenance

Level 2 Maintenance Tasks

Maintenance requiring specific expertise, covering electrical, hydraulic, and mechanical systems.

Level 3 Maintenance Tasks

Advanced maintenance requiring manufacturer-certified personnel for major component replacements.

Frequency Inverter Maintenance

Safety precautions and guidelines for working with the unit's variable frequency drives.

Unit Start-Up Checklist for Installers

Preliminary Equipment Checks

Checklist for shipping damage, unit level, power supply, wiring, grounding, and protection.

Unit Start-Up Procedures

Checks for pump cabling, oil level, leaks, voltage imbalance, and power supply range.

Evaporator Water Loop Checks

Verification of water loop volume, corrosion inhibitor, frost protection, piping, and screen filter.

Evaporator Pressure Drop Check

Procedure to measure and plot evaporator pressure drop to determine flow rate.

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