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Carrier Pro-Dialog Plus 30HZ - User Manual

Carrier Pro-Dialog Plus 30HZ
32 pages
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30HZ/HZV 043-280
Water-Cooled/Condenserless
Liquid Chillers
Nominal cooling capacity 30HZ: 134-783 kW
Nominal cooling capacity 30HZV: 126-735 kW
50 Hz
Installation, operation and maintenance instructions

Table of Contents

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Carrier Pro-Dialog Plus 30HZ Specifications

General IconGeneral
CategoryAccessories For Chillers & Freezers
TypeController
CompatibilityCarrier chillers and freezers
ConnectivityRS-485
Power Supply24 VAC
FunctionMonitoring and control
ModelPro-Dialog Plus 30HZ

Summary

Introduction

Installation Safety Considerations

Safety precautions for installing the unit.

Equipment Under Pressure

Information on components operating under pressure.

Maintenance Safety Considerations

Safety precautions for maintenance activities.

Repair Safety Considerations

Safety precautions for performing repairs.

Preliminary Checks

Equipment Receipt Check

Verify received equipment against order and specifications.

Unit Moving and Siting

Guidelines for safely moving and positioning the unit.

Dimensions and Clearances

Dimensions for 043-065 Models

Physical dimensions and clearance requirements for specific models.

Dimensions for 091-225 Models

Physical dimensions and clearance requirements for specific models.

Dimensions for 250-280 Models

Physical dimensions and clearance requirements for specific models.

Physical and Electrical Data

Physical Data

Specifications for physical characteristics of the units.

Electrical Data

Specifications for electrical characteristics of the units.

Power Supply

Requirements and considerations for the unit's power supply.

Voltage Phase Imbalance

Guidelines and limits for voltage phase imbalance.

Recommended Wire Sections

Guidance on selecting appropriate wire sections for connections.

Application Data

Unit Operating Range

Defines the operating parameters and limits for the unit.

Minimum Chilled Water Flow

Specifies the minimum required flow rate for chilled water.

Maximum Chilled Water Flow

Specifies the maximum allowable flow rate for chilled water.

Variable Flow Evaporator

Guidance on using variable flow rates with the evaporator.

System Minimum Water Volume

Determines the minimum water volume required for system stability.

Evaporator Flow Rate

Details on minimum water flow rates for the evaporator.

Condenser Water Flow Rates

Specifies minimum and maximum water flow rates for the condenser.

Condenser Water Flow Restrictor

Information on the necessity and installation of flow restrictors.

Water Connections

Water Circuit Operating Precautions

Key precautions for designing and operating the water circuit.

Typical Water Circuit Diagram

Illustrates a typical water installation diagram.

Flow Control and Interlocks

Details on flow control and pump interlock.

Condenser Connections

Information regarding condenser water connections and tightening.

Condenser Pipe Connections

Procedure for connecting and tightening condenser pipes.

Frost Protection

Measures and recommendations for frost protection.

Refrigerant Line Connections (30 HZV)

Recommendations for installing 30HZV units with remote condensers.

Pipe Sizing Diagrams

Guidance on using diagrams for pipe sizing calculations.

Discharge Pipe Sizing

Guidelines for sizing discharge piping for refrigerant gas.

Liquid Line Sizing

Guidelines for sizing liquid lines, considering subcooling.

Master;Slave Unit Operation

Configuration and operation of units in master/slave mode.

Major System Components and Operation Data

Compressors

Details on compressor type, features, and operation.

Lubricant

Information on compressor oil type and level checks.

Pressure Vessels

Specifications for condensers and evaporators as pressure vessels.

Evaporator Details

Description of the evaporator shell, tubes, and insulation.

Electronic Expansion Device (EXV)

Details on the EXV option for specific models.

Refrigerant

Information on the refrigerant used (R-407C).

High-Pressure Safety Switch

Specifications for the high-pressure safety switch.

Moisture Indicator

Function and location of the moisture indicator.

Filter Drier

Role and indication for changing the filter drier elements.

Main Options and Accessories

Low Evaporator Outlet Temperature Applications

Details on options for low evaporator outlet temperatures.

IP44 Electrical Protection Option

Information on IP44 electrical protection option.

High and Low Pressure Gauges Option

Details on high and low-pressure gauge options.

Compressor Oil Pressure Safety Device

Safety device for compressor oil pressure.

Condenser with CuNi Tubes Option

Information on condensers with Copper-Nickel tubes.

RS485 Communication Interface Option

Details on the RS485 communication interface option.

Additional Capacity Step Option

Option for additional capacity steps on specific models.

Evaporator Pump Starter Options

Options for evaporator pump starters.

Condenser Pump Starter Option

Option for condenser pump starter.

Maintenance

Soldering and Welding

Procedures and precautions for soldering and welding.

Refrigerant Circuit Maintenance

Maintenance procedures for the refrigerant circuit.

Electrical Maintenance

Maintenance procedures for electrical components.

Evaporator Maintenance

Maintenance procedures for the evaporator.

Corrosion Control

Measures to prevent corrosion on unit components.

Refrigerant Charge Verification

Procedure for verifying the correct refrigerant charge in the system.

Refrigerant Guidelines

Guidelines for handling and transferring refrigerants and oil.

Recharging Liquid Refrigerant

Procedure for recharging liquid refrigerant into the system.

Undercharge

Identifying and rectifying undercharge conditions.

Characteristics of R-407 C

Properties and characteristics of R-407C refrigerant.

Start-Up Checklist

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