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Carrier Aquasnap 30RB 140R User Manual

Carrier Aquasnap 30RB 140R
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 140R Specifications

General IconGeneral
Model30RB 140R
CategoryChiller
Cooling Capacity140 kW
RefrigerantR-410A
Compressor TypeScroll
Power Supply400V / 3Ph / 50Hz

Summary

Handling and Positioning

Positioning

Outdoor installation requirements, level surface, space for access, and vibration isolation.

Physical and Electrical Data for the Units

Physical Properties: 30RB/30RQ 40R-160R

Table detailing sound levels, dimensions, weight, and component specifications for the unit range.

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

Detailed electrical data including voltage, current, power, and start-up current for various models.

Electrical Data Notes for the Compressors

Compressor-specific electrical data including current, LRA, and power factor.

Electrical Connection

Power Supply

Requirements for the main power supply voltage, frequency, and adherence to nameplate specifications.

Voltage Phase Imbalance (%)

Calculation and acceptable limits for voltage phase imbalance to prevent warranty invalidation.

Recommended Cable Sections

Guidelines for selecting appropriate cable sizes based on installation conditions and regulations.

Application Data

Operating Range

Defines the permissible operating temperatures for water and air for various unit configurations.

Water Type Heat Exchanger Water Flow Rate

Data on minimum and maximum water flow rates for the heat exchanger based on unit size.

Pressure Drop Curves for the Water Exchanger and Standard Water Inlet/Outlet Piping

Graphical representation of pressure drop versus water flow rate for different unit models.

Water Connections

Operating Precautions and Recommendations

General advice on connecting hydraulic circuits, water analysis, and fluid compatibility.

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

How variable speed pumps maintain pressure differential by adjusting pump speed.

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

How variable speed pumps maintain temperature difference by adjusting pump speed.

Nominal System Water Flow Rate Control

Available Static Pressure for the Installation

Charts showing available static pressure for high-pressure pumps based on water flow rate.

System Start-Up

Checks Before System Start-Up

Comprehensive pre-start checks for installation, safety devices, and connections.

Commissioning

Steps for unit commissioning, including reading instructions and performing tests.

Essential Points to Check

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

Standard Maintenance

Level 2 Maintenance

More advanced maintenance requiring specific expertise, including electrical, hydraulic, and mechanical checks.

Level 3 Maintenance

Specialized maintenance tasks requiring manufacturer or authorized personnel, like component replacement.

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

Preliminary Equipment Check

Essential checks for shipping damage, unit installation, power supply, and wiring integrity.

Unit Start-Up

Critical start-up checks including pump connection, oil level, leak checks, and voltage imbalance.

Evaporator Water Loop Check

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

Checking the Pressure Drop Across the Evaporator (without Hydraulic Module) or ESP(1) (with Hydraulic Module)

Procedure for measuring and verifying evaporator pressure drop to determine flow rate.

Temperatures and Pressures

Recording key operating temperatures and pressures after the unit has stabilized.

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