Ultima Remote Air Cooled Air Cooled Chiller 75kW - 450kW

Transcription

1 Ultima Remote Air Cooled Air Cooled Chiller 75kW - 450kW T E C H N I C A L M A N U A L

2 Customer Services About Airedale Products & Customer Services WARRANTY All AIAC products or parts (non consumable) supplied for installation within the UK mainland and commissioned by an AIAC engineer, carry a full Parts & Labour warranty for a period of 12 months from the date of commissioning or 18 months from the date of despatch, whichever is the sooner. Parts or Equipment supplied by AIAC for installation within the UK or for Export that are properly commissioned in accordance with AIAC standards and specification, not commissioned by an AIAC engineer; carry a 12 month warranty on non consumable Parts only from the date of commissioning or 18 months from the date of despatch, whichever is the sooner. Parts or equipment installed or commissioned not to acceptable AIAC standards or specification invalidate all warranty. Warranty is only valid in the event that In the period between delivery and commissioning the equipment: is properly protected & serviced as per the AIAC installation & maintenance manual provided where applicable the glycol content is maintained to the correct level. In the event of a problem being reported and once warranty is confirmed as valid under the given installation and operating conditions, the Company will provide the appropriate warranty coverage (as detailed above) attributable to the rectification of any affected Airedale equipment supplied (excluding costs for any specialist access or lifting equipment that must be ordered by the customer). Any spare part supplied by Airedale under warranty shall be warranted for the unexpired period of the warranty or 3 months from delivery, whichever period is the longer. To be read in conjunction with the Airedale Conditions of Sale - Warranty and Warranty Procedure, available upon request. CAUTION Warranty cover is not a substitute for maintenance. Warranty cover is conditional to maintenance being carried out in accordance with the recommendations provided during the warranty period. Failure to have the maintenance procedures carried out will invalidate the warranty and any liabilities by Airedale International Air Conditioning Ltd. SPARES TRAINING CUSTOMER SERVICES A spares list for 1, 3 and 5 years will be supplied with every unit and is also available from our Spares department on request. As well as our comprehensive range of products, Airedale offers a modular range of Refrigeration and Air Conditioning Training courses, for further information please contact Airedale. For further assistance, please enquiries@airedale.com or telephone: UK Sales Enquiries + 44 (0) enquiries@airedale.com International Enquiries + 44 (0) enquiries@airedale.com Spares Hot Line + 44 (0) spares@airedale.com Airedale Service + 44 (0) service@airedale.com Technical Support + 44 (0) tech.support@airedale.com Training Enquiries + 44 (0) marketing@airedale.com For information, visit us at our Web Site: AIAC Ltd endeavours to ensure that the information in this document is correct and fairly stated, but none of the statements are to be relied upon as a statement or representation of fact. AIAC Ltd does not accept liability for any error or omission, or for any reliance placed on the information contained in this document. The development of Airedale products and services is continuous and the information in this document may not be up to date. It is important to check the current position with AIAC Ltd at the address stated. This document is not part of a contract or licence unless expressly agreed. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or information storage and retrieval systems, for any purpose other than the purchaser's personal use, without the express written permission of AIAC Ltd Airedale International Air Conditioning Limited. All rights reserved. Printed in the UK. 2

3 Contents Warranty 2 CUSTOMER SERVICES 2 HEALTH AND SAFETY 4 ENVIRONMENTAL CONSIDERATIONS 5 Freeze Protection 5 Environmental Policy 5 GENERAL DESCRIPTION 6 Unit Identification 6 Introduction 6 Standard Features 6 Optional Extras Energy Saving 8 Optional Extras General 9 DESIGN FEATURES & INFORMATION 10 Energy Efficiency 10 Minimum System Water Volume Calculations 11 Control Scheme Features 14 PERFORMANCE DATA 15 Capacity Data 15 Operating Limits 16 Glycol Data 16 Waterside Pressure Drops 17 Sound Data 18 GENERAL SPECIFICATION 20 Mechanical Data 20 Electrical Data 23 Dimensions 26 INSTALLATION DATA 28 Unit Lifting 28 Positioning 29 Anti Vibration Mounting (Optional) 30 Water System 31 Electrical 32 Interconnecting Wiring 32 CONDENSER SPECIFICATION 34 General Specification 34 Dimensions 36 Weights 36 Unit Lifting 37 Positioning 37 Front Cover: Model URAC250DQ/DSQ Shown 3

4 Health and Safety IMPORTANT The information contained in this manual is critical to the correct operation and maintenance of the unit and should be read by all persons responsible for the installation, commissioning and maintenance of this Airedale unit. Safety The equipment has been designed and manufactured to meet international safety standards but, like any mechanical/electrical equipment, care must be taken if you are to obtain the best results. CAUTION 1 Installation, service and maintenance of Airedale equipment should only be carried out by technically trained competent personnel. CAUTION 2 When working with any air conditioning units ensure that the electrical isolator is switched off prior to servicing or repair work and that there is no power to any part of the equipment. 3 Also ensure that there are no other power feeds to the unit such as fire alarm circuits, BMS circuits etc. 4 Electrical installation commissioning and maintenance work on this equipment should be undertaken by competent and trained personnel in accordance with local relevant standards and codes of practice. 5 The refrigerant used in this range of products is classified under the COSHH regulations as an irritant, with set Workplace Exposure Levels (WEL) for consideration if this plant is installed in confined or poorly ventilated areas. 6 A full hazard data sheet in accordance with COSHH regulations is available should this be required. Protective Personal Equipment Refrigerant Warning Airedale recommends that personal protective equipment is used whilst installing, maintaining and commissioning equipment. The Airedale Remote air cooled chiller uses R407C refrigerant which is a high pressure refrigerant. It requires careful attention to proper storage and handling procedures. Use on manifold gauge sets designed for use with R407C refrigerant. Use only refrigerant recovery units and cylinders designed for high pressure refrigerants. R407C must only be charged in the liquid state to ensure correct blend makeup. The refrigerant must be stored in a clean, dry area away from sunlight. The refrigerant must never be stored above 50 C. Manual Handling Some operations when servicing or maintaining the unit may require additional assistance with regard to manual handling. This requirement is down to the discretion of the engineer. Remember do not perform a lift that exceeds your ability. 4

5 Environmental Considerations FREEZE PROTECTION Airedale recommends the following actions to help protect the unit during low temperature operation. This also includes the units subject to low ambient temperatures. Units with supply water temperatures below +5 C Glycol is recommended when a supply water temperature of +5 C or below is required or when static water can be exposed to freezing temperatures. Units subject to ambient temperatures lower than 0 C Glycol of an appropriate concentration (1) is used within the system to ensure adequate protection. Please ensure that the concentration is capable of protection at least 3 C lower than ambient. Water / glycol solution is constantly circulated through all waterside pipework and coils to avoid static water from freezing. Ensure that pumps are started and running even during shut down periods, when the ambient is within 3 C of the solution freeze point (1) (i.e. if the solution freezes at 0 C, the pump must be operating at 3 C ambient). Additional trace heating is provided for interconnecting pipework. ENVIRONMENTAL POLICY CE Directive (1) Referrer to your glycol supplier for details It is our policy to: Take a proactive approach to resolve environmental issues and ensure compliance with regulatory requirements. Train personnel in sound environmental practices. Pursue opportunities to conserve resources, prevent pollution and eliminate waste. Manufacture products in a responsible manner with minimum impact on the environment. Reduce our use of chemicals and minimise their release to the environment. Measure, control and verify environmental performance through internal and external audits. Continually improve our environmental performance. Airedale certify that the equipment detailed in this manual conforms with the following EC Directives: Electromagnetic Compatibility Directive (EMC) Low Voltage Directive (LVD) Machinery Directive (MD) Pressure Equipment Directive (PED) 2014/30/EU 2014/35/EU 89/392/EEC version 2006/42/EC 97/23/EC Article 13 of 2014/68/EU To comply with these directives appropriate national & harmonised standards have been applied. These are listed on the Declaration of Conformity, supplied with each product. Maximum and Minimum Operation Temperature (TS) and Pressure (PS) Operating Temperature (TS), TS = Min -20 C to Max 120 C * Maximum Operating Pressure (PS) PS = High Side 26 Barg *Based upon the maximum machine running temperatures. 5

6 General Description UNIT IDENTIFICATION REMOTE AIR COOLED LIQUID CHILLER URAC Ultima Remote Air Cooled Chiller Model Size (Expressed as Nominal Cooling in kw) D Double Circuit - Standard Chiller DQ Double Circuit - Quiet Chiller DSQ Double Circuit - Super Quiet Chiller Example URAC250DQ INTRODUCTION The Airedale range of Ultima Remote Air Cooled liquid chillers covers the nominal capacity range 75kW to 450kW in 45 model sizes incorporating Standard D, Quiet DQ and Super Quiet DSQ variations. Attention has been placed on maximising the unit s performance while keeping the sound and vibration levels and footprint to an absolute minimum. The range has been specifically designed for plant room installations. A matching range of Air Cooled Condensers is available to complement the Remote Air Cooled Liquid Chiller, please refer to the Air Cooled Condenser Specification. REFRIGERANTS STANDARD FEATURES Standard Chiller - D Quiet Chiller - DQ Super Quiet Chiller - DSQ The range has been designed and optimised for operation with the ozone benign R407C refrigerant. The Standard Ultima Air Cooled Remote Chiller comes complete with: Microprocessor Control Evaporator Pad Heater Multiple Scroll Compressors Plate Evaporator Connections to Remote Condenser Dual Independent Refrigeration Circuits Electronic Expansion Valve(s) Connections for External Trace Heating (240V/500W available) A set of 4 M24 collared eye bolts to BS4278 With the benefits of the Standard range, the Quiet chiller is supplied with an acoustic package, which incorporates: Compressor enclosure lined with Acoustic material With the benefits of the Standard range, the Super Quiet chiller is supplied with a Quiet acoustic package, which incorporates the following to become one of the quietest chillers available: Compressor enclosure lined with 40mm Acoustic material 6

7 General Description STANDARD FEATURES Construction Evaporator The base and superstructure are fabricated from galvanised steel to ensure a tough, durable, weatherproof construction. Unit panels are manufactured from galvanised sheet steel coated with epoxy baked powder paint to provide a durable and weatherproof finish. Standard unit colour is Light Grey (RAL 7035). Compressors and evaporator are mounted on a rigid galvanised heavy-duty frame. Fully locked electrical panels are situated at one end of the unit. Access to the compressors is via end panels adjacent to the electrical control panel. A set of 4 M24 collared eye bolts to BS4278 are supplied. Stainless steel high efficiency brazed plate heat exchanger(s) will allow optimum heat transfer between media. Each heat exchanger is insulated with closed cell polyurethane foam to Class 0 fire rating. Water inlet and outlet connections suit Victaulic type pipe and coupling assembly (counter-pipes and clamps supplied as an optional extra). A pad heater is fitted to the evaporator and will protect against freeze up in ambient temperatures as low as -20 C. Compressor Tandem / Trio scroll compressors comprising 2/3 scroll compressors linked to provide 1 refrigeration circuit. Each compressor includes internal motor protection, internal pressure relief, non return valve, discharge temperature protection and sight glass. Each compressor is equipped with oil heater to guard against oil foaming on start up. Each Tandem / Trio has an oil equalisation line. The compressors are mounted to the rigid galvanised heavy duty sub-frame with the use of vibration reducing isolation. 7

8 General Description STANDARD FEATURES Refrigeration Controls Electrical Each refrigeration circuit is supplied with the following: Full operating charge of R407C Electronic expansion valve Liquid line ball valve Discharge line ball valve Large capacity filter drier with replaceable cores Liquid line sight glass Low pressure switch with manual reset via microprocessor controller High pressure switch with manual reset Suction and liquid pressure transducers Pressure relief valve with integral rupture disc and indicator gauge microprocessor controller can provide 4-6 stages of capacity control, dependent upon model type, as standard. The controller incorporates full Building Management System capabilities, full details can be found in the Controls section. Dedicated weatherproof electrical power and controls panels are situated at the end of the unit and contain: Separate, fully accessible, controls compartment, allowing adjustment of control set points whilst the unit is operational Circuit breakers for protection of all major unit components Separate, permanent supply for controls/trace heating, 230v/50Hz/1ph The electrical power and control panel is wired to the latest European standards and codes of practice Separate door locking electrical isolation for each mains compartment OPTIONAL EXTRAS ENERGY SAVING Power Factor Correction When applied to the motors of each compressor, the compressor power factor is controlled to a minimum operating value of 0.95 at the full operating capacity. This satisfies many supply authorities that may impose surcharges on equipment with power factor less than

9 General Description OPTIONAL EXTRAS GENERAL Anti Vibration Mounts (Spring Type) Spring vibration isolators can be supplied loose for on site fitting to the base frame of each chiller unit. The isolators are suitable for fitting to a concrete slab or structural steelwork providing the surface is level and of sufficient strength where a high level of vibration elimination is required. Anti Vibration Mounts (Pad Type) Sequence Control Pad vibration isolators can be supplied loose for on site fitting to the base frame of each chiller unit. The isolators are suitable for fitting to a structural steelwork only, providing the surface is level and of sufficient strength where a moderate degree of vibration elimination is required. For the efficient temperature and capacity operation of multiple units on a single site, the sequence controller will permit interlinked operation of the complete system thereby providing optimum temperature control and minimum power consumption. Included within this package is a site visit by Airedale Control Specialists to set up multiple unit sequence control. BMS Interface Card Enables Controlled chillers to be interfaced with most BMS, factory fitted, please contact Airedale. Dual Pressure Relief Valve Electronic Soft Start Leak Detection Kit (DQ & DSQ Models Only) Flow Switch Water Filter Victaulic Counterpipe Kit Alternative Refrigerant Commissioning Chillerguard A 3-way dual shut-off valve that incorporates 2 relief valve and rupture disc assemblies per circuit. The valve allows the maintenance of individual pressure relief valves and rupture discs without the need for refrigerant evacuation. The electronic soft start enables the chiller compressor motor to be ramped to speed with the minimum full load current. Further benefits include removal of nuisance tripping, supply voltage dips and motor overheating. A factory calibrated and fitted leak detection kit, will raise an alarm when refrigerant gas is detected. The flow switch will protect the chiller against low water flow, supplied loose. 20 mesh water filter(s) can be fitted on the inlet water pipework to protect the evaporator from clogging by sediment, (supplied loose). A pair of grooved counterpipes and clamps for each heat exchanger can be supplied for waterside connections. For applications outside the EU, units can be supplied for use with R22, please specify at time of order. Airedale Service provides a full commissioning service carried out by professionally trained, industry experienced engineers. For a competitive quotation, please contact Airedale Customer Services. In addition to commissioning, a 24 hour, 7 days a week on-call service is on available throughout the year. This service will enable customers to contact a duty engineer outside normal working hours and receive assistance over the telephone. The duty engineer can, if necessary, attend site, usually within 24 hours or less. Full details will be forwarded on acceptance of the maintenance agreement. 9

10 Pressure (Bar) Expansion Design Features & Information ENERGY EFFICIENCY Electronic Expansion Valves (EEV) Whilst offering versatile control at the full design duty of the chiller, standard Thermostatic Expansion Valves (TEV) do not automatically optimise themselves to all operating conditions. Therefore, if the chiller is operating at 40% or 50% of full load, especially at a lower ambient temperature than that for which the valve was sized, the conventional TEV must have the design head pressure available to ensure good refrigerant control. Maintaining an artificially high condensing pressure is normal in conventional systems, however, this leads to higher operating costs. Using an EEV allows for good refrigeration control with the chiller operating at part load and lower ambient conditions with a reduced condensing pressure. By fitting an EEV and adjusting the head pressure control setting, reduction in energy running values of up to 27% can be achieved. The Mollier diagram shown below helps to illustrate how this increase in efficiency is achieved. EEV s differ to normal thermostatic expansion valves in their ability to maintain control of refrigerant flow and the suction superheat at reduced head pressures. The turn-down rate of a typical EEV is superior to that of it s thermostatic equivalent, such that a reduced optimum condensing pressure can be maintained at low compressor load. However low the load is on the compressor, from zero to 100%, there will not be a problem with turn down, even below 30% rated capacity. Bubble Curve Dew Curve Reduction In Condensing Temp Heat of Rejection Reduction in Compressor Input Power Evaporating Temp Cooling Effect Key Increase in Cooling Duty Enthalpy (kj/kg) Cooling 22 C ambient with a conventional TEV fitted. Cooling 22 C ambient, demonstrating a typical EEV condensing temperature taking full advantage of lower ambient air temperatures (below 30 C). 10

11 Design Features & Information MINIMUM SYSTEM WATER VOLUME CALCULATIONS METHOD 1 Where the system permanent heat load is known: Vm = Where Water Flow Rate (litres/minute) x Minimum Compressor Run Time (mins) x Chiller Loading Factor Vm is the minimum water volume in litres Minimum Compressor Run Time is 2 minutes Chiller Loading Factor = Minimum Turndown (kw) x 1.2 Permanent Heat Load The Chiller Loading Factor limits: Max 1.00 Min 0.25 Example 250 kw Chiller, 7/12 C Water, Model URAC250DQ with a permanent load of 95 kw Vm litres METHOD 2 Where the system permanent heat load is unknown: Vm = Water Flow Rate (litres/hour) x Minimum Turndown Ratio x 1.2 Maximum Compressor Starts Per Hour Where Minimum Turndown Ratio = Minimum Stage Capacity (kw) Chiller Full Capacity (kw) Example 250 kw Chiller, 7/12 C Water, Model URAC250DQ permanent load unknown. Vm 250 x x 5 x x 1.2 Method 1 is always preferred. 1 x litres 11

12 Design Features & Information - CONTROLS General Description The microprocessor controller offers powerful analogue and digital control to meet a wide range of monitoring and control features including a real time clock and Industry standard communication port and network connections. The controller s inbuilt display is used for viewing the unit operating status and making adjustments to control parameters by allowing the operator access to a series of display pages. Also featured are a visual alarm and the facility to adjust and display control settings by local operator for information and control. FEATURES Unit Remote ON/OFF Compressor Anti Cycle Control Compressor Load Limit Remote Setback Temperature Setpoint Switch Compressor Hours Run Password Protection CAUTION Disables/Enables the chiller remotely. Automatic via the Microprocessor. Limits the condensing pressure by unloading above 24Barg. Limits the evaporating pressure by unloading at the minimum pressure setpoint, which is, adjustable depending on system glycol content. A setback setpoint for supply water temperature can be selected to suit summer/winter conditions or night setback. Displays hours run of each compressor. The control system integrity can be maintained by restricting access with a password PIN number. IMPORTANT: To change the PIN number, please contact Airedale at time of order with the preferred 4 digit number. 12

13 Design Features & Information - CONTROLS FEATURES Temperature Alarms The microprocessor maintains the set supply Chilled Water temperature by sensing the return and supply water temperatures, compressor loading. The microprocessor also monitors and displays the following measured parameters: Supply Water Temperature Return Water Temperature Suction Pressure of each circuit Liquid Pressure of each circuit Suction Temperature at each circuit Superheat for each circuit The following conditions will be detected, triggering a visual display: Common for both circuits: Low Supply Temperature Emergency Stop Water Flow Individual for each circuit: Individual alarms will isolate the affected circuit only. Compressor Trip Low Suction Pressure for each circuit High Liquid Pressure for each circuit Volt Free Contact Alarm Indication Low Pressure Switch Compressor Overload High Compressor Discharge Temperature Networking A Local Area Network ( ) can be used to connect a number of chiller controllers to offer intercommunication and sequence control. This also allows the connection of computers, printers and modems on the same communications ring. For further details and quotation, please contact Airedale Controls. 13

14 WATER TEMPERATURE C WATER TEMPERATURE C Design Features & Information CONTROL SCHEME FEATURES Variable Supply Temperature Control Airedale recognises that all chiller applications are different but fall mainly into 2 application categories; Variable Supply Temperature and Constant Supply Temperature. The onboard microprocessor has the capability of satisfying either control requirement as illustrated below. Using the Airedale Variable Supply Temperature control scheme, energy savings are available when compared with previous schemes and that of the Constant Supply Temperature application. Variable Supply Temperature control schemes offer energy savings where the supply water temperature is not critical to its operation. Selection of the best application control scheme can be made via a soft switch in the microprocessor during initial commissioning. Examples based on Models URAC200D having 6 Stages of Cooling Return Water Temperature Supply Water Temperature Compressor Off Mean Value 6 20% 40% 50% 60% 80% 100% Chiller Capacity % Cooling Stage Sequence Constant Supply Temperature Control Return Water Temperature Supply Water Temperature % % Chiller Capacity % Cooling Stage Sequence CAUTION Factory set to Variable Supply Temperature Control unless otherwise stated at order. Only when the mode selection has been set can the unit be enabled. 14

15 Performance Data CAPACITY DATA URAC75 URAC100 URAC125 URAC150 URAC175 URAC200 URAC225 URAC240 URAC250 URAC270 URAC300 URAC330 URAC360 URAC400 URAC450 Dew Condensing Temperature Leaving Water 40 C 45 C 50 C 55 C Temperature C Output kw Input kw Output kw Input kw Output kw Input kw Output kw Input kw , , , ,9 185,8 60,4 175,9 67, ,6 47,7 202,7 53,6 193,1 60,1 182,8 67, ,7 48,9 209,2 54,9 199,3 61,3 188,9 68, ,3 48,5 232,2 54,5 221, , ,6 208,5 68,7 196,4 76, ,9 55,1 228,4 61,7 216,5 68,8 204,1 76, ,2 55,8 236,3 62, ,4 211,4 76, ,2 56,2 262,2 62,9 248,9 69,9 235,4 77, , ,2 69,9 218,5 77,9 205,5 86, ,6 62,2 239,7 69,9 226,6 77,9 213,2 86, ,5 62,5 248,2 70,1 234, ,4 63, ,6 260,5 78,1 245,8 85, ,9 60,9 243,5 68,1 230,2 75,9 216,3 84, ,7 61,3 252,6 68,5 238,9 76,3 224,7 84, ,2 62,1 261,5 69,4 247, ,8 85, ,1 62,5 290,3 69,7 275,1 77,2 259,5 85, ,4 71,5 269,5 80,5 254,3 89,6 238,8 99, ,8 71,7 279,4 80,5 263,8 89,7 247,9 99, ,3 71,8 289,5 80,7 273,5 89,8 257,2 99, , ,2 303,8 90,2 286,4 99, , ,8 101,4 272,7 112, , ,1 301,7 101,5 283,1 112, ,9 81,1 331,5 91,3 312,9 101,7 293,9 112, ,5 81,4 367,8 91,7 347,9 102,3 327, ,9 91, ,4 325,8 113,9 304,1 125, ,5 91,5 360,1 102,6 338, , ,3 91,7 373,3 102,8 350,9 114,2 328, ,4 92,4 414,8 103,5 390,9 114,9 366,7 126, ,6 101,9 386,1 113,9 361,2 126,5 335,9 139, ,1 400,9 114,1 375,3 126,6 349,2 139, ,6 102,5 415,8 114,4 389,5 126,8 362,9 139, ,3 103,5 462,5 115,4 434,5 127,5 406, ,8 114,8 426,8 128,3 401,4 142,1 375,6 156, , ,8 128,4 416,6 142,3 390,1 156, ,5 115, ,8 432,2 142, , ,5 116,2 509,9 129,6 481,1 143, , ,1 127,8 467,5 142,6 441,6 157,8 415,4 173, ,3 127,9 484,9 142,7 458,2 157,9 431,1 173, ,6 128,2 502,4 143,1 474,9 158,2 447,2 173, ,8 128,8 557,4 143,9 527,8 159, ,6 1 Output kw refers to the chilled water duty. All performance data is supplied in accordance with BS EN : Input kw refers to the compressor input power. 3 Duties applicable for chilled water T between 4 and 8 C. 4 Interpolate for water temperatures between those quoted, do not extrapolate 5 Water flow rate (l/s) = Output (4.19 x T) Except Glycol use, refer to Glycol Data. 6 For conditions outside those quoted, please refer to Airedale. 15

16 Performance Data All performance data is supplied in accordance with BS EN :2013 OPERATING LIMITS (For 100% Water) Minimum Ambient Air DB C Maximum Ambient Air DB C Minimum Leaving Water Temperature C Maximum Return Water Temperature C -5 C Refer to Capacity Data +5 C +20 C 1 Temperatures lower than those stated can be obtained with the addition of glycol. 2 For conditions outside those quoted, please refer to Airedale. GLYCOL DATA Glycol is recommended when a supply water temperature of +5 C or below is required or when static water can be exposed to freezing temperatures. Ethylene Glycol Nominal Correction Factors Glycol in System / Freezing Point ºC 10% / -4 C 20% / -9 C 30% / -15 C 40% / -23 C Cooling Duty Input Power x by Water Flow Pressure Drop Propylene Glycol Nominal Correction Factors Glycol in System / Freezing Point ºC 10% / -2 C 20% / -6 C 30% / -12 C 40% / -20 C Cooling Duty Input Power x by Water Flow Pressure Drop

17 CHILLER PRESSURE DROP (kpa) CHILLER PRESSURE DROP (kpa) Performance Data WATERSIDE PRESSURE DROPS URAC75 URAC250 (Except URAC240) URAC75 URAC100 URAC125 URAC175 URAC150 URAC200 URAC250 URAC WATERFLOW (l/s) URAC240 URAC450 (Except URAC250) 100 URAC240 URAC300 URAC360 URAC270 URAC330 URAC URAC (1) For glycol solutions, please refer to Glycol Data. All performance data is supplied in accordance with BS EN : WATERFLOW (l/s) 17

18 Performance Data SOUND DATA Measurement of Sound Data Global Chiller Sound Level All sound data quoted has been measured in the third-octave band limited values, using a Real Time Analyser calibrated sound intensity meter in accordance with BS EN ISO9614 Part 1: The Global sound data quoted is valid for sound emitted in the horizontal plane in all directions. All Sound Power Levels quoted are calculated from measured sound intensity according to BS EN ISO9614 Part 1: Sound Pressure Levels are calculated from sound power using the expanded parallel piped method according to BS EN ISO11203: Standard - D Models URAC75D URAC100D URAC125D URAC150D URAC175D URAC200D URAC225D URAC240D URAC250D URAC270D URAC300D URAC330D URAC360D URAC400D URAC450D Sound Overall Frequency (Hz) db Measurement db(a) Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m db(a) is the overall sound level, measured on the A scale. All performance data is supplied in accordance with BS EN : All sound data measured at nominal conditions: Water in/out 12/7 C at 45 C dew point. The Sound Pressure data quoted is only valid in free field conditions, where the unit is installed on a reflective base. If the equipment is placed adjacent to a reflective wall, values may vary to those stated, typically increasing by 3dB for each side added. 18

19 Performance Data All performance data is supplied in accordance with BS EN :2013 SOUND DATA Global Chiller Sound Level Quiet - DQ Models URAC75DQ URAC100DQ URAC125DQ URAC150DQ URAC175DQ URAC200DQ URAC225DQ URAC240DQ URAC250DQ URAC270DQ URAC300DQ URAC330DQ URAC360DQ URAC400DQ URAC450DQ Sound Overall Frequency (Hz) db Measurement db(a) Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Super Quiet - DSQ Models URAC75DSQ URAC100DSQ URAC125DSQ URAC150DSQ URAC175DSQ URAC200DSQ URAC225DSQ URAC240DSQ URAC250DSQ URAC270DSQ URAC300DSQ URAC330DSQ URAC360DSQ URAC400DSQ URAC450DSQ Sound Overall Frequency (Hz) db Measurement db(a) Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m Power m db(a) is the overall sound level, measured on the A scale. 2 All sound data measured at nominal conditions: Water in/out 12/7 C at 45 C dew point. The Sound Pressure data quoted is only valid in free field conditions, where the unit is installed on a reflective base. If the equipment is placed adjacent to a reflective wall, values may vary to those stated, typically increasing by 3dB for each side added. 19

20 General Specification MECHANICAL DATA URAC75 URAC100 URAC125 URAC150 URAC175 Duty Cooling Cooling Only (1) kw /3 Nominal Input (1) kw EER (2) Capacity Steps % Dimensions - H x L x W mm 1850 x 1800 x x 2000 x 760 Weight Machine - D kg DQ kg DSQ kg Operating - D kg DQ kg DSQ kg Construction - Material / Colour Plain Galvanised Steel Base with Galvanised Sheet Steel, Epoxy Baked Powder Paint Superstructure Light Grey (RAL 7035) Evaporator Brazed Plate Insulation Class 0 Water Volume l Total Max. Water Flow l/s Compressor Tandem Scroll Hermetic Quantity Oil Charge Volume (Total) l 4 x x x x Oil Type Polyol Ester Refrigeration Refrigerant Control Refrigerant Type Holding Charge Dual Circuit Electronic Expansion Valve R407C Dry Nitrogen Connections - Evaporator Suits Victaulic type Coupling & Pipe Assembly Water Inlet / Outlet mm / (in) 50 (2 ) 50 (2 ) 65 (2 1/2 ) 65 (2 1/2 ) 65 (2 1/2 ) Connections Condenser Discharge Line (brazed) in 1 1/8 1 1/8 1 3/8 1 5/8 1 5/8 Liquid Line (brazed) in 7/8 7/8 1 1/8 1 3/8 1 3/8 Water System Evaporator Min. System Water Volume (3) l Max. System Press Bar (1) Nominal Cooling Duties based on 12/7 C water temperature and 45 C dew point, where output is the chilled water duty and input is the compressor input power. All performance data is supplied in accordance with BS EN :2013 (2) EER is the Cooling Duty compressor input power. (3) For minimum system volume refer to Minimum System Water Volume Calculations. 20

21 General Specification MECHANICAL DATA URAC200 URAC225 URAC240 URAC250 URAC270 Duty Cooling Cooling Only (1) kw Nominal Input (1) kw EER (2) Capacity Steps % Dimensions - H x L x W (5) mm 1850 x 2000 x x 3200 x x 2000 x x 3200 x 900 Weight Machine - D kg DQ kg DSQ kg Operating - D kg DQ kg DSQ kg Construction - Material / Colour Plain Galvanised Steel Base with Galvanised Sheet Steel, Epoxy Baked Powder Paint Superstructure Light Grey (RAL 7035) Evaporator Brazed Plate Insulation Class 0 Water Volume l Total Max. Water Flow l/s Compressor Tandem Scroll - Hermetic Trio Scroll Hermetic Tandem Scroll - Hermetic Quantity Oil Charge Volume (Total) l x Oil Type Polyol Ester Refrigeration Refrigerant Control Refrigerant Type Holding Charge Dual Circuit Electronic Expansion Valve R407C Dry Nitrogen Trio Scroll Hermetic Connections - Evaporator Suits Victaulic type Coupling & Pipe Assembly Water Inlet / Outlet mm / (in) 65 (2 1/2 ) 80 (3 ) 80 (3 ) 80 (3 ) 80 (3 ) Connections Condenser CCT1 Discharge Line (Brazed) in 1 5/8 1 5/8 1 5/8 1 5/8 1 5/8 Liquid Line (Brazed) in 1 3/8 1 3/8 1 3/8 1 3/8 1 3/8 Connections Condenser CCT2 Discharge Line (Brazed) in 1 5/8 1 5/8 1 5/8 1 5/8 1 5/8 Liquid Line (Brazed) in 1 3/8 1 3/8 1 3/8 1 3/8 1 3/8 Water System - Evaporator Min. System Water Volume (3) l Max. System Press Bar (1) Nominal Cooling Duties based on 12/7 C water temperature and 45 C dew point, where output is the chilled water duty and input is the compressor input power. All performance data is supplied in accordance with BS EN :2013 (2) EER is the Cooling Duty compressor input power. (3) For minimum system volume refer to Minimum System Water Volume Calculations. 21

22 General Specification MECHANICAL DATA URAC300 URAC330 URAC360 URAC400 URAC450 Duty Cooling Cooling Only (1) kw Nominal Input (1) kw EER (2) Capacity Steps % Dimensions - H x L x W (5) mm 1900 x 3200 x x 3200 x x 3200 x x 3200 x x 3200 x 900 Weight Machine - D kg DQ kg DSQ kg Operating - D kg DQ kg DSQ kg Construction - Material / Colour Plain Galvanised Steel Base with Galvanised Sheet Steel, Epoxy Baked Powder Paint Superstructure Light Grey (RAL 7035) Evaporator Brazed Plate Insulation Class 0 Water Volume l Total Max. Water Flow l/s Compressor Trio Scroll - Hermetic Quantity Oil Charge Volume (Total) l 6 x x x Oil Type Polyol Ester Refrigeration Refrigerant Control Refrigerant Type Holding Charge Dual Circuit Electronic Expansion Valve R407C Dry Nitrogen Connections - Evaporator Suits Victaulic type Coupling & Pipe Assembly Water Inlet / Outlet mm / (in) 80 (3 ) 80 (3 ) 80 (3 ) 80 (3 ) 80 (3 ) Connections Condenser CCT1 Discharge Line (Brazed) in 1 5/8 2 1/8 2 1/8 2 1/8 2 1/8 Liquid Line (Brazed) in 1 3/8 1 5/8 1 5/8 1 5/8 1 5/8 Connections Condenser CCT2 Discharge Line (Brazed) in 1 5/8 1 5/8 2 1/8 2 1/8 2 1/8 Liquid Line (Brazed) in 1 3/8 1 3/8 1 5/8 1 5/8 1 5/8 Water System - Evaporator Min. System Water Volume (3) l Max. System Press Bar (1) Nominal Cooling Duties based on 12/7 C water temperature and 45 C dew point, where output is the chilled water duty and input is the compressor input power. All performance data is supplied in accordance with BS EN :2013 (2) EER is the Cooling Duty compressor input power. (3) For minimum system volume refer to Minimum System Water Volume Calculations. 22

23 General Specification ELECTRICAL DATA URAC75 URAC100 URAC125 URAC150 URAC175 Unit Data Nominal Run Amps (1) A Maximum Start Amps (2) A Permanent Supply VAC 230V 1PH 50Hz Mains Supply VAC 400V 3PH 50Hz Rec Permanent Fuse Size A Rec Mains Fuse Size A Max Permanent Incoming Cable mm² Size 4 mm² terminals Max Mains Incoming Cable Size mm² 70 (direct to MCCB) Control Circuit VAC 24V/230VAC Evaporator Pad Heater Rating W External Trace Heating Available (fitted by others) W Compressor - Per Compressor Quantity Motor Rating kw / /16.8 Nominal Run Amps (1) A / //28.9 Crankcase Heater Rating W / /120.0 Start Amps (2) / /215 Type Of Start Direct on line OPTIONAL EXTRAS Power Factor Correction Nominal Run Amps (1) A Maximum Start Amps (2) A Recommended Mains Fuse A Compressor Nominal Run A Amps - Per Compressor / /26 Electronic Soft-Start Nominal Run Amps (1) A Maximum Start Amps (2) A Recommended Mains Fuse A (1) Based at 12/7 C evaporator water and 30/35 C condenser water. (2) Starting amps refers to the direct on line connections. 23

24 General Specification ELECTRICAL DATA URAC200 URAC225 URAC240 URAC250 URAC270 Unit Data Nominal Run Amps (1) A Maximum Start Amps (2) A Permanent Supply VAC 230V 1PH 50Hz Mains Supply VAC 400V 3PH 50Hz Rec Permanent Fuse Size A Rec Mains Fuse Size A Max Permanent Incoming Cable mm² Size 4 mm² terminals Max Mains Incoming Cable Size mm² 70 (direct to MCCB) Control Circuit VAC 24V/230VAC Evaporator Pad Heater Rating W External Trace Heating Available (fitted by others) W Compressor - Per Compressor Quantity Motor Rating kw 12.3/ / / / /14.4 Nominal Run Amps (1) A 22.4/ / / / /25.2 Crankcase Heater Rating W 120/ /150 N/A 150/150 N/A Start Amps (2) 175/ / / / /225 Type Of Start Direct on line OPTIONAL EXTRAS Power Factor Correction Nominal Run Amps (1) A Maximum Start Amps (2) A Recommended Mains Fuse A Compressor Nominal Run A Amps - Per Compressor 20/ / / / /22.5 Electronic Soft-Start Nominal Run Amps (1) A Maximum Start Amps (2) A Recommended Mains Fuse A (1) Based at 12/7 C evaporator water and 30/35 C condenser water. (2) Starting amps refers to the direct on line connections. 24

25 General Specification ELECTRICAL DATA URAC300 URAC330 URAC360 URAC400 URAC450 Unit Data Nominal Run Amps (1) A Maximum Start Amps (2) A Permanent Supply VAC 230V 1PH 50Hz Mains Supply VAC 400V 3PH 50Hz Rec Permanent Fuse Size A Rec Mains Fuse Size A Max Permanent Incoming Cable mm² Size 4 mm² terminals Max Mains Incoming Cable Size mm² 70 (direct to MCCB) Control Circuit VAC 24V/230VAC Evaporator Pad Heater Rating W External Trace Heating Available (fitted by others) W Compressor - Per Compressor Quantity Motor Rating kw 14.4/ / / / /22.5 Nominal Run Amps (1) A 25.2/ / / / /40.3 Crankcase Heater Rating W N/A N/A N/A N/A N/A Start Amps (2) 225/ / / / /320 Type Of Start Direct on line OPTIONAL EXTRAS Power Factor Correction Nominal Run Amps (1) A Maximum Start Amps (2) A Recommended Mains Fuse A Compressor Nominal Run A Amps - Per Compressor 22.5/ / / / /36.1 Electronic Soft-Start Nominal Run Amps (1) A Maximum Start Amps (2) A Recommended Mains Fuse A (1) Based at 12/7 C evaporator water and 30/35 C condenser water. (2) Starting amps refers to the direct on line connections. 25

26 C D 1850 J C of G1 General Specification DIMENSIONS C of G2 P1 P3 Water Connections URAC mm URAC mm URAC mm Controls Panel Mains Electric Isolator P2 P4 K L M 20mm Ø Mounting Holes Refrigeration Connections (Refer to Mechanical Data) F E H G H G Evaporator Water in Evaporator Water Out Mains Cable Entry A B Model Size A B C D E F G H J K L M URAC75 mm URAC100 mm URAC125 mm URAC150 mm URAC175 mm URAC200 mm URAC225 mm URAC240 mm URAC250 mm URAC300 mm URAC330 mm URAC360 mm URAC400 mm URAC450 mm

27 General Specification POINT LOADINGS, WEIGHTS & CENTRE OF GRAVITY (C OF G) Model D P1 P2 P3 P4 Operating Weight C of G1 (m) C of G2 (m) URAC75D kg URAC100D kg URAC125D kg URAC150D kg URAC175D kg URAC200D kg URAC225D kg URAC240D kg URAC250D kg URAC270D kg URAC300D kg URAC330D kg URAC360D kg URAC400D kg URAC450D kg Model DQ P1 P2 P3 P4 Operating Weight C of G1 (m) C of G2 (m) URAC75DQ kg URAC100DQ kg URAC125DQ kg URAC150DQ kg URAC175DQ kg URAC200DQ kg URAC225DQ kg URAC240DQ kg URAC250DQ kg URAC270DQ kg URAC300DQ kg URAC330DQ kg URAC360DQ kg URAC400DQ kg URAC450DQ kg Model DSQ P1 P2 P3 P4 Operating Weight C of G1 (m) C of G2 (m) URAC75DSQ kg URAC100DSQ kg URAC125DSQ kg URAC150DSQ kg URAC175DSQ kg URAC200DSQ kg URAC225DSQ kg URAC240DSQ kg URAC250DSQ kg URAC270DSQ kg URAC300DSQ kg URAC330DSQ kg URAC360DSQ kg URAC400DSQ kg URAC450DSQ kg For C of G diagram refer to Unit Lifting. 27

28 C of G1 Installation Data UNIT LIFTING Employ lifting specialists. Local codes and regulations relating to the lifting of this type of equipment should be observed. Use the lifting eye bolts provided. Use the appropriate spreader bars/lifting slings with the holes/lugs provided. Attach lifting chains to the 4 lifting eye bolts, each chain and eye bolt must be capable of lifting the whole chiller. Lift the unit slowly and evenly. If the unit is dropped, it should immediately be checked for damage and reported to Airedale Service. CAUTION Only use lifting points provided. The unit should be lifted from the base and where possible, with all packing and protection in position. If any other type of slinging is used, due care should be taken to ensure that the slings do not crush the casework or coil. C of G2 P1 P3 P2 P4 S T LIFTING DIMENSIONS N P R N P R S T URAC mm URAC mm URAC mm