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For the operation of the control please refer to
the Pro-Dialog
30RA/RH - 30RY/RYH "B" series
Control manual for the
30RY 017-080 "B"
Ductable Liquid Chillers with
Integrated Hydronic Module
Nominal cooling capacity 18-79 kW
50 Hz
AQUASNAP
Installation, operation and maintenance instructions
Carrier is participating in the
Eurovent Certification Programme.
Products are as listed in the
Eurovent Directory of Certified
Products.
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Table of Contents
Related Manuals for Carrier 30RY 017
Summary of Contents for Carrier 30RY 017
- Page 1 Ductable Liquid Chillers with Integrated Hydronic Module Nominal cooling capacity 18-79 kW 50 Hz AQUASNAP Carrier is participating in the Eurovent Certification Programme. Products are as listed in the Eurovent Directory of Certified Products. For the operation of the control please refer to...
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Page 2: Table Of Contents
CONTENTS 1 - INTRODUCTION ..................................4 1.1 - Installation safety considerations ............................... 4 1.2 - Equipment and components under pressure ..........................4 1.3 - Maintenance safety considerations ............................5 1.4 - Repair safety considerations ..............................5 2 - PRELIMINARY CHECKS ................................ 7 2.1 - Check equipment received ................................. - Page 3 CONTENTS (cont’d) 12 - MAINTENANCE ..................................24 12.1 - General maintenance of the refrigerant circuit ........................24 12.2 - Verification of the refrigerant charge ............................. 24 12.3 - Apparent and actual subcooling ............................. 24 12.4 - Refrigerant guidelines ................................25 12.5 - Recharging liquid refrigerant ..............................
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Page 4: Introduction
These products incorporate equipment or components under pressure, manufactured by Carrier or other manufacturers. We The units can also be lifted with slings, using only the desig- recommend that you consult your appropriate national trade nated lifting points marked at the four corners at the unit base. -
Page 5: Maintenance Safety Considerations
(safety globe valves). The necessary protection equipment must be available, and Contact Carrier Service for a detailed explanation of the appropriate fire extinguishers for the system and the high-pressure switch test method. - Page 6 During refrigerant removal and storage operations follow Do not drain water circuits containing industrial brines, applicable regulations. These regulations, permitting condition- without informing the technical service department at the ing and recovery of halogenated hydrocarbons under opti- installation site or a competent body first. mum quality conditions for the products and optimum safety Close the entering and leaving water shutoff valves and conditions for people, property and the environment are...
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Page 7: Preliminary Checks
2 - PRELIMINARY CHECKS 2.2 - Moving and siting the unit 2.1 - Check equipment received 2.2.1 - Moving • Inspect the unit for damage or missing parts. If damage is See chapter "Installation safety considerations" detected, or if shipment is incomplete, immediately file a claim with the shipping company. - Page 8 Checks before system start-up Before the start-up of the refrigeration system, the complete installation, including the refrigeration system must be verified against the installation drawings, dimensional drawings, system piping and instrumentation diagrams and the wiring diagrams. During the installation test national regulations must be followed.
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Page 9: Dimensions/Clearances
3 - DIMENSIONS/CLEARANCES 30RY 017-033 822.5 2058 30RY 040-080 1128 2097 2058 1068 1000 Legend: All dimensions are given in mm Power supply Water inlet Water outlet NOTE: Required clearances for air flow Non-certified drawings. Refer to the certified dimensional drawings supplied with the unit or available on request, when designing an installation. -
Page 10: Physical Data
4 - PHYSICAL DATA 30RY Nominal cooling capacity* 18.6 23.1 25.8 31.7 39.4 50.0 58.0 67.0 79.0 Operating weight with hydronic module, single pump with hydronic module, dual pump without hydronic module Refrigerant charge R-407C 7.45 7.85 9.75 11.1 11.8 13.3 17.0 Compressors... - Page 11 If the available short-circuit current is higher, the unit can be protected by the fuse shown for the specific level. The fuses (not supplied for Carrier units) are as recommended, to be installed upstream of the unit. A fused disconnect switch, equipped with fuses, can be installed in place of the standard unit switch.
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Page 12: Application Data
Entering air temp. -10*** 46*** Do not exceed the maximum operating temperature. For a system requiring operation below 7,8°C, contact Carrier SA. For a system requiring operation below 5°C, anti-freeze must be added to the unit. Good *** Maximum outside temperature: For transport and storage of the 30RY units the minimum and maximum allowable temperatures are –20°C and +55°C. -
Page 13: Pressure Drop In The Plate Heat Exchangers
6.7 - Pressure drop in the plate heat exchangers 2000 1000 Water flow rate, l/s Legend 30RY 017 30RY 021 30RY 026 30RY 033 30RY 040 30RY 050 30RY 060 30RY 070 30RY 080... -
Page 14: Electrical Connection
7 - ELECTRICAL CONNECTION 30RY 017-033 Control box 30RY 040-080 Control box Legend NOTES: The 30RY units have only one power connection Main disconnect switch point located at the main disconnect switch. PE Earth connection Power supply cable section (see table "Recommended wire sections"). -
Page 15: Power Supply
The following is only to be used as a guideline, and does For connections refer to the wiring diagrams. not make Carrier in any way liable. After wire sizing has been completed, using the certified dimensional drawing, the instal-... -
Page 16: Water Connections
In case additives or other fluids than those recommended by tank. Carrier s.a are used, ensure that the fluids are not considered as Units with a hydronic module include the safety valve and a gas, and that they belong to class 2, as defined in directive the expansion tank. -
Page 17: Hydronic Connections
In heat pump mode it may be necessary to remove the water. Carrier can supply an accessory condensate recovery pan to be The frost protection of plate heat exchanger and all hydronic positioned under the unit. This pan is connected to the conden- module components is guaranteed down to -20°C (sizes 040-... - Page 18 Typical hydronic circuit diagram Legend Components of the unit and hydronic module Installation components Victaulic screen filter 12 Air vent Expansion tank 13 Thermometer sleeve Safety valve 14 Flexible connection Available pressure pump 15 Check valve Purge valve and pressure tap 16 System water drain plug (on connection pipe supplied in the unit) Pressure gauge to measure the plate heat exchanger pressure drop (to be 17 Pressure gauge...
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Page 19: Nominal System Water Flow Control
10 - NOMINAL SYSTEM WATER FLOW CONTROL Entering water pressure reading The water circulation pumps of the 30RY units have been sized to allow the hydronic modules to cover all possible configura- tions based on the specific installation conditions, i.e. for various temperature differences between the entering and the leaving water (∆T) at full load, which can vary between 3 and 10 K. -
Page 20: Pump Curve And Water Flow Control As A Function Of The System Pressure Drops
Legend difference between entering and leaving water 30RY 017-033 30RY 040-070 temperature of the hydronic module will be increased. 30RY 080 To reduce the pressure drops of the hydronic system, it is... -
Page 21: Available Static System Pressure
10.4 - Available static system pressure 10.5 - Duct connection Single pump The 30RY 017-080 can be installed inside a building and connected to an air ductwork system: air heat exchanger side, i.e. at the fresh air inlet side fan discharge side, i.e. where the air treated by the heat exchanger is discharged. - Page 22 Accessory reference number: Fan data 30RY-017-033: 30RY-900—002—EE— 30RY-040-080: 30RY-900—012—EE— 30RY Minimum available Nominal available Maximum available static pressure* static pressure static pressure Pressure Flow Pressure Flow Pressure Flow Replacement filter reference number: —KH—12AE-005—EE— 017-026 2500 1940 1530 2920 2500 1940 040-050 4580 3890...
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Page 23: Start-Up
Check the chilled water circulation pumps, air handling units and all other equipment connected to the eva- 30RY 017 to 080 (standard configuration: return water porator. control) Refer to the manufacturer's instructions. -
Page 24: Maintenance
12 - MAINTENANCE WARNING: To ensure proper operation of 30RY units there must be at least 12 K of subcooling as the liquid refrigerant Any technician attending the machine for any purpose must be enters the expansion valve. fully qualified to work on refrigerant and electrical circuits. The 30RY units use refrigerant. -
Page 25: Refrigerant Guidelines
12.4 - Refrigerant guidelines 12.6 - Undercharge Refrigeration installations must be inspected and maintained If there is not enough refrigerant in the system, this is indicated regularly and rigorously by specialists. Their activities must be by gas bubbles in the moisture sight glass. overseen and checked by properly trained people. -
Page 26: Condenser Coil
Characteristics of R407C Saturated bubble Saturated dew Saturated bubble Saturated dew Saturated bubble Saturated dew (relative) point temp., °C point temp., °C (relative) point temp., °C point temp., °C (relative) point temp., °C point temp., °C -28.55 -21.72 10.5 23.74 29.35 47.81 52.55... -
Page 27: Aquasnap Maintenance Program
The equipment is supplied with polyolester oil (POE). Only who have been trained on Carrier products, observing all use oil approved by Carrier. On request Carrier can carry out Carrier quality and safety standards. an oil analysis of your installation. - Page 28 Service C Carry out the operations listed under Service B. Refrigerant circuit Check the leak-tightness of the circuit and ensure that there is no piping damage. Carry out an oil contamination test. If acid, water or metallic particles are present replace the oil in the circuit. Verify the tightening of the thermostatic mechanism of the expansion device.
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Page 29: Start-Up Checklist For 30Ry Liquid Chillers
14 - START-UP CHECKLIST FOR 30RY LIQUID CHILLERS (USE FOR JOB FILE) Preliminary information Job name: ........................................ Location: ......................................... Installing contractor: ....................................Distributor: ......................................Start-up preformed by: ............... Date: ....................Equipment Model 30RY: ................... S/N ....................Compressors Circuit A Circuit B 1. - Page 30 Calculated volume = ....(litres) 2.50 litres/nominal kW capacity for air conditioning (30RY 050 to 080) 3.50 litres/nominal kW capacity for air conditioning (30RY 017 to 040) Proper loop volume established Proper loop corrosion inhibitor included ....litres of ......
- Page 31 Carry out the QUICK TEST function (see 30RA/RH - 30RY/RYH «B» Pro-Dialog Plus Control manual): Check and log on to the user menu configuration Load sequence selection ................................ Capacity ramp loading selection ............................Start-up delay ..................................Burner section ..................................Pump control ..................................Set-point reset mode ................................
- Page 32 Order No.: 13427-76, 09.2003 - Supersedes order No.: 13427-76, 04.2002. Manufactured by: Carrier SA, Montluel, France Manufacturer reserves the right to change any product specifications without notice. Printed in the Netherlands Printed on totally chlorine-free paper.