Carrier 30RA200B User Manual

30RA 040-240 "B"
Air-Cooled Liquid Chillers with
Integrated Hydronic Module
Nominal cooling capacity 39-245 kW
50 Hz
Installation, operation and maintenance instructions
AQUASNAP
For the operation of the control please refer to
the Pro-Dialog
Control manual for the
30RA/RH - RY/RYH "B" series
Carrier is participating in the
Eurovent Certification Programme.
Products are as listed in the
Eurovent Directory of Certified
Products.

Carrier 30RA200B Specifications

General

Model	30RA200B
Category	Chiller
Type	Air-Cooled
Cooling Capacity	200 tons
Refrigerant	R-410A
Compressor Type	Scroll
Sound Level	75 dBA

Summary

1- INTRODUCTION

1.1 - Installation Safety Considerations

Guidelines for safe installation, ensuring public inaccessibility and proper inspection procedures.

1.2 - Equipment and Components Under Pressure

Information on pressure-rated components, consulting authorities, and safety device protection.

1.3 - Maintenance Safety Considerations

Requirements for qualified personnel and safe practices during maintenance operations, including electrical safety.

1.4 - Repair Safety Considerations

Procedures for safe refrigerant handling, leak repair, and material compatibility, emphasizing technician qualifications.

2-PRELIMINARY CHECKS

6- APPLICATION DATA

7- ELECTRICAL CONNECTION

7.1 - Control Box

7.2 - Power Supply

Requirements for power supply voltage and phase conformity to ensure safe unit operation and warranty.

7.3 - Voltage Phase Imbalance (%)

Explains how to calculate voltage phase imbalance and the acceptable limits for safe operation.

8- RECOMMENDED WIRE SECTIONS

9- WATER CONNECTIONS

9.3 - Frost Protection

Measures and precautions for frost protection of the hydronic system components, including heaters and pump cycling.

10 - NOMINAL SYSTEM WATER FLOW CONTROL

10.1 - Water Flow Control Procedure

11-START-UP

11.1 - Preliminary Checks

11.2 - Actual Start-Up

Guidelines for the actual start-up procedure, emphasizing supervision by qualified personnel and thermal load.

12 - MAINTENANCE

12.1 - General Maintenance of the Refrigerant Circuit

Routine cleaning and inspection of the unit's exterior and refrigerant circuit components for optimal performance.

12.2 - Refrigerant Charge

Procedures for verifying and maintaining the correct refrigerant charge (R407C) using sight-glass indicators.

12.2.2 - Principles

12.2.3 - Recharging Liquid Refrigerant

Instructions for recharging with liquid HFC-407C, detailing its properties, leak detection, and cylinder handling.

13 - AQUASNAP MAINTENANCE PROGRAM

13.1 - Maintenance Schedule

13.2 - Description of the Maintenance Operations

Service C

14 - START-UP CHECKLIST FOR 30RA LIQUID CHILLERS

Unit Start-Up

Check Evaporator Water Loop

Check Pressure Drop Across the Evaporator

Temperatures and Pressures