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For the operation of the control please
refer to the Pro-Dialog
manual for the 30SZ/SZV series
30SZ/SZV
Water-Cooled/Condenserless
Liquid Chillers
Nominal cooling capacity 14-112 kW
50 Hz
Control
Installation, operation and maintenance instructions
Carrier is participating in the
Eurovent Certification Programme.
Products are as listed in the
Eurovent Directory of Certified
Products.
1
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Summary of Contents for Carrier Pro-Dialog Plus 30SZ
- Page 1 30SZ/SZV Water-Cooled/Condenserless Liquid Chillers Nominal cooling capacity 14-112 kW 50 Hz 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 the Pro-Dialog...
- Page 2 The cover graphics are for illustrative purposes only, and are not contractually binding.
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Page 3: Table Of Contents
CONTENTS START-UP CHECKLIST ................................4 1 - SAFETY CONSIDERATIONS ..............................5 1.1 - General ....................................... 5 1.2 - Equipment and components under pressure ..........................5 1.3 - Transport ....................................5 2 - INSTALLATION ..................................7 2.1 - Siting the unit (all sizes) ................................7 2.2 - Moving and handling ................................. -
Page 4: Start-Up Checklist
START-UP CHECK LIST Start up date: ..............Equipment sold by: Contract No: ......................................Installed by: Contract No: ........................................Site address: ............................................... Equipment type and serial No: 30SZ ..................................... 30SZV ....................................ELECTRICAL DATA: Supply voltage Ph 1: .. Ph 2: .. Ph 3 .. -
Page 5: Safety Considerations
1.2 - Equipment and components under pressure These products incorporate equipment or components under 1.1 - General pressure, manufactured by Carrier or other manufacturers. We recommend that you consult your appropriate national trade Installation and servicing of air conditioning equipment can be association or the owner of the equipment or components under hazardous due to system pressure and electrical components. - Page 6 Centre of gravity (approx.) 30SZ XG* mm YG* mm ZG* mm 30SZV XG* mm YG* mm ZG* mm Measured from point A All dimensions are in mm Weight distribution (approx.) 30SZ 30SZV Control box The weights are given in kg...
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Page 7: Installation
2 - INSTALLATION On the right- and the left-hand side of the top panel of the lower unit, position two insulation strips of 15 mm thick- ness and 10 mm height, so that the holes made previously Inspect shipment. Inspect the unit. If it is damaged, or if are centred under the insulation strip. - Page 8 Holes in the unit top panel Vertical installation, sizes 018-036 Legend 4 holes for vertical assembly (ref. À 2.5.2 - Modular vertical installation (sizes 018-036) Place the lower unit in the desired location. Remove the lifting hooks in the top panel of the lower unit.
- Page 9 2.5.3 - Horizontal modular installation (sizes 004-011) 2.5.4 - Check compressor mountings (sizes 018-036) Place the units side by side so that the holes are aligned. Fix the units in position with nuts (M6) and screws (Figures “Side IMPORTANT: For unit transport, the compressor is held grooves”...
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Page 10: Physical Data
Power supply frequency variation: ± 2 Hz. • The Carrier 30SZ/SZV units are designed and built to ensure con-formance The neutral (N) line must not be connected directly to the unit (if necessary with these codes. The recommendations of European standard EN 60204-1 use a transformer). -
Page 11: Dimensions/Clearances
5 - DIMENSIONS/CLEARANCES 30SZ 004-011 30SZ 018-036 30SZV 004-011 30SZV 018-036 All dimensions are in mm. Legend Nominal power supply 400-3-50 Discharge line Liquid line NOTE: When designing an installation, refer to the certified Condenser drawings, available on request. Evaporator... -
Page 12: Hydraulic Connections
6 - HYDRAULIC CONNECTIONS Installation of the following components is OBLIGATORY: A flow switch should be installed in a straight horizontal Make the heat exchanger water connections with the necessary stretch with a length of at least five times the line diameter components, using material which will guarantee that the on either side. - Page 13 Typical hydraulic installation (30SZ) Legend Water chiller (30SZ) Fan coil units Water circulating pump Inertia accumulator Expansion vessel Pressure gauges at pressure intake Manual shut-off valves Mesh filter Pressure inlets Thermometers Flow switch Automatic purge Drain Charge valve Flexible coupling Typical hydraulic installation (30SZV) Legend Water chiller (30SZV)
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Page 14: Refrigerant Line Connections (30Szv)
6.1 - Refrigerant line connections (30SZV) 6.1.3 - Use of pipe sizing diagrams On page 16 of this document two pipe sizing diagrams are 6.1.1 - Recommendations for the installation of liquid shown. They allow an estimate of the cooling capacity, chillers with remote condensers corresponding to 1.5 K pressure drop for different pipe To guarantee optimum and reliable performance of the 30SZV... - Page 15 6.1.4 - Discharge pipe sizing 6.1.5 - Liquid line sizing The discharge piping must be sized to achieve reasonable The 30SZV compressors are supplied with an oil that is fully pressure drops: a variation of 1.5 K of the saturated tempera- miscible with refrigerant R407C in the liquid phase.
- Page 16 Discharge piping Legend 1/2" 3/8" 3/4" 7/8" 1 1/8" 1 3/8" 1 5/8" 2 1/8" 30 40 50 200 300 400 500 1000 Cooling capacity (kW) Liquid piping Legend 3/8" 1/2" 5/8" 3/4" 7/8" 1 1/8" 1 3/8" 3 4 5 20 30 40 50 200 300 400 1000...
- Page 17 Ethylene glycol curve Evaporator water pressure drop A B C D E F G H I - 10 - 15 - 20 - 25 - 30 - 35 - 40 - 45 - 50 - 55 0.3 0.4 0.6 0.8 1 8 10 - 60 - 65...
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Page 18: Electrical Connections
WARNING: Operation of the unit on improper line voltage sight glass. This will generally mean adding more refrigerant constitutes abuse and is not covered by the Carrier warranty. than would be needed to prevent bubbles from being seen in the sight glass. - Page 19 6.3.2 - Refrigerant guidelines 6.3.4 - 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. There are two overseen and checked by properly trained people.
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Page 20: Start-Up
7 - START-UP Liquid solenoid valve (30SZV) All units, except condenserless units, include the R-407C Unit start-up is done by the electronic control described in the refrigerant charge necessary for correct operation. manual “30SZ/SZV Pro-Dialog Plus control”, and must always be carried out under the supervision of a qualified air condi- 7.4 - Compressor replacement tioning engineer. -
Page 21: Operating Limits
Ensure that there is no water leakage in the system. Drain the * Operation down to 0°C leaving water temperature is possible with anti-freeze solution and special control configuration by Carrier Service. unit, if it is expected to be shut down for a prolonged period. -
Page 22: Plate Heat Exchanger Cleaning
8.3 - Plate heat exchanger cleaning 9 - SERVICE In some applications, for example when very hard water is 9.1 - Lubrication used, there is more tendency for fouling. The heat exchanger can always be cleaned by circulating a cleaning fluid. The compressor has its own oil supply and oil should not be added unless a leak has occurred. - Page 24 Order No.: 13401-76, 11.2000. Supersedes order No.: New Manufactured by: Carrier SA, Montluel, France Manufacturer reserves the right to change any product specifications without notice. Printed in the Netherlands on totally chlorine-free paper.
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