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Carrier Aquasnap 30RQ 070R User Manual

Carrier Aquasnap 30RQ 070R
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 30RQ 070R Specifications

General IconGeneral
BrandCarrier
ModelAquasnap 30RQ 070R
CategoryChiller
LanguageEnglish

Summary

Introduction and Safety Instructions

Unit Handling and Positioning

Safe Unit Handling Procedures

Guidelines for safely moving and lifting the unit using appropriate equipment and methods.

Unit Installation Positioning Guidelines

Instructions for outdoor installation, ensuring proper space, level surface, and environmental considerations.

Unit Physical and Electrical Data

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

Detailed physical characteristics including sound levels, dimensions, weight, and component data for 40R-160R models.

Electrical Data Notes: 040R-160R Models

Explains electrical specifications such as voltage, current draw, power input, and start-up current for 040R-160R.

Electrical Connection Guide

Power Supply Requirements

Specifies requirements for the unit's power supply, including voltage and phase imbalance limits.

Voltage Phase Imbalance Checks

Explains how to calculate and check voltage phase imbalance, with acceptable limits.

Recommended Cable Sections for Power Connection

Provides guidance on selecting appropriate cable sizes for power connections based on unit load and installation conditions.

Application Data

Unit Operating Range Specifications

Defines the permissible operating conditions for air and water temperatures for the unit.

Water Connections Guide

Water Connection Precautions and Recommendations

Recommendations and precautions for connecting the unit's water circuits, including analysis and treatment.

Hydraulic Circuit Connection Schematics

Schematic diagrams and key components for hydraulic circuits with and without a hydraulic module.

Water Flow Control Procedure (No Module)

Method for adjusting water flow rate by controlling pressure drop to match design specifications.

Variable-Speed Pump Control: Pressure Differential

How to control flow rate using variable speed pumps based on pressure differential setpoints.

Variable-Speed Pump Control: Temperature Difference

How to control flow rate using variable speed pumps based on temperature difference setpoints.

System Water Flow Rate Control

Available Static Pressure for Installation

Charts showing available static pressure for different flow rates and unit sizes with hydraulic modules.

System Start-Up Guide

Pre Start-Up Checks and Verification

Comprehensive checklist of installation, safety, and component checks before initial unit start-up.

Unit Commissioning Process

Steps and precautions for the professional commissioning and start-up of the unit.

Essential Checks for Start-Up

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

Unit Options and Configurations

Available Unit Options Tables

Comprehensive tables listing available options, their descriptions, advantages, and applicability.

Unit Operation with Free Cooling Drycooler

How units operate with free cooling drycoolers for energy savings, including control algorithms.

Free Cooling Operating Principle

Explains the system's optimisation of drycooler fans and water loop flow for energy savings.

Standard Maintenance Procedures

Level 1 Maintenance: User Tasks

Simple maintenance procedures that can be performed by the user, including visual checks and cleaning.

Level 2 Maintenance: Specialist Tasks

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

Level 3 Maintenance: Manufacturer Tasks

High-level maintenance requiring manufacturer expertise, including component replacement and refrigerant handling.

Electrical Connection Tightening Torques

Table specifying torque values for tightening various electrical connections for safety and reliability.

Installer Start-Up Checklist

Preliminary Equipment Checks List

Checklist for shipping damage, installation level, power supply, wiring, and connections.

Air Handling System Checks List

Checklist for air handling units, valves, piping, and pump operation.

Unit Start-Up Checklist Items

Checklist items related to pump cabling, oil level, leak checks, and voltage imbalance.

Evaporator Water Loop Checklist

Checks for water loop volume, corrosion inhibitor, frost protection, and piping.

Evaporator Pressure Drop Check and Flow Rate Determination

Procedure to check evaporator pressure drop and determine flow rate.

Recording Operating Temperatures and Pressures

Fields to record stable operating temperatures and pressures for compressor circuits and water loops.

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