Related Manuals for AIREDALE CU 1-1.5
Summary of Contents for AIREDALE CU 1-1.5
- Page 1 I N S T A L L A T I O N & M A I N T E N A N C E M A N U A L Condensing Units CU 1-1.5 CUH 1-1.5 CUS 2-12 CUHS 2-12...
- Page 2 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. TRAINING 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 our Training Co-ordinator.
-
Page 3: Table Of Contents
Condensing Units CU/CFCU Contents DESCRIPTION Standard Features Optional Extras GENERAL STATEMENT WARRANTY LOOSE ITEMS LIST SITE INSTALLATION Lifting Positioning Wall Mounting MECHANICAL INFORMATION Technical Data Dimensions / Positioning / Weights REFRIGERATION INFORMATION Refrigerant Pipework Schematics Unit Charge Pipe Sizing Guide Pipework Installation Pressure Testing Evacuation... -
Page 4: Description
The condensing units comprise a compact housing incorporating all the necessary components and associated controls required. The compressor and controls are fitted in the weatherproof end section. CE DIRECTIVE Airedale certify that the equipment detailed in this manual conforms with the following EC Directives: Electromagnetic Compatibility Directive (EMC) 2014/30/EU... -
Page 5: Optional Extras
Condensing Units CU/CFCU Description HEAT PUMP UNITS Heat pump units are equipped with a reversing valve, crankcase heater and suitably sized accumulator. A factory set defrost sensor is also fitted to defrost the outdoor coil when the unit is operating in heat pump mode. CUHS 1 - 4 Equipped with a bi-directional expansion valve. -
Page 6: General Statement
SPARES For ease of identification when ordering spares or contacting Airedale about your unit, please quote the unit type, unit serial number and the date of manufacture. This information can be found on the unit serial plate. An area has been provided on the front cover of this manual for this information to be recorded. -
Page 7: Warranty
A spares order will be raised under our "G" number system and the replacement part will be despatched, usually within 24 hours should they be in stock. When replaced, the faulty part must be returned to Airedale with a suitably completed and securely attached "Faulty Component Return" (FCR) tag. FCR tags are available from Airedale and supplied with each "G"... -
Page 8: Loose Items List
CU/CFCU Condensing Units Loose Items List LIQUID LINE FILTER Matched to the refrigeration duty of the compressor, shipped in the compressor compartment. DRIER Site Installation Whenever a condensing unit is lifted, it should be from the base and, where possible, with LIFTING all packing and protection in position. -
Page 9: Mechanical Information
Condensing Units CU/CFCU Mechanical Information TECHNICAL DATA CU./CUH. 2.5S 2.5T Nominal Capacity - Cooling 3.30 4.50 5.10 7.60 7.60 8.70 10.80 13.10 Nom. Airflow m³/s 0.80 0.80 1.45 1.80 0.80 0.80 0.80 0.80 Max. Fan Speed Refrigerant R407C Unit Refrigerant Charge 0.85 1.00 0.60... -
Page 10: Dimensions / Positioning / Weights
CU/CFCU Condensing Units Mechanical Information DIMENSIONS / POSITIONING / WEIGHTS CU. / CUH. 1 - 4 150mm AIRFLOW 600mm 150mm 500mm 10mm Fixing Slots MINIMUM CLEARANCE Models Dimensions C Operating Weights 51.0 kg CU1.5 59.0 kg CUS2 60.2 kg CUS2.5S & T 75.7 kg CUS3 1130... - Page 11 Condensing Units CU/CFCU Mechanical Information DIMENSIONS / POSITIONING / WEIGHTS CUS/CUHS 5 - 7.5 500mm AIRFLOW MINIMUM CLEARANCE 500mm 500mm 12.7mm Fixing Slots 600mm Models Dimensions G Operating Weights CUS5 1213 1181 141.0 kg CUS6 1213 1181 144.0 kg CUS7.5 1441 1409 208.5 kg...
- Page 12 CU/CFCU Condensing Units Mechanical Information DIMENSIONS / POSITIONING / WEIGHTS CFCUS 5 - 10 ACCESS FOR MASTER DOOR AIR IN MOTOR ACCESS TO AIR IN ADJUSTMENT COMPRESSOR 4 Slots 35 x 12.7 mm WEIGHTS Machine Operating CFCUS 5 238.0 241.0 500 mm CFCUS 6 245.0...
-
Page 13: Refrigeration Information
Condensing Units CU/CFCU Refrigeration Information REFRIGERANT PIPEWORK SCHEMATICS CU. 1 - 12/CFCUS 5 - 10 CUH. 1 - 12 OUTDOOR UNIT OUTDOOR UNIT Check Valve Expansion Valve Narrow Narrow Tube Tube Service Service valve valve Wide Wide Tube Tube Service Optional Hot Gas Service valve... -
Page 14: Pressure Testing
Break with the correct refrigerant, until pressures equalise between the charging bottle and the system. ALTERNATIVE If an alternative refrigerant is to be used, this must be with the approval of Airedale International Air Conditioning Ltd in order for the warranty to be valid. REFRIGERANTS Care must be taken to ensure that the refrigerant and compressor oil are compatible. -
Page 15: Electrical Information
Condensing Units CU/CFCU Electrical Information GENERAL A fused and isolated electrical supply of the appropriate phase, frequency and voltage should be installed. As standard the equipment is designed for 230V, 1 Phase, 50Hz or 400V, 3 Phase, 4 wire 50Hz to all relevant IEE regulations, British standards and IEC requirements. All mains and interconnecting wiring should be carried out to National and Local codes. -
Page 16: Electrical Data - Cfcus
The microprocessor (AD05) controlled condensing unit may be matched to non Airedale indoor air handling units. A contact can be closed across either the Cool and Common or Heat and Common terminals. Ensure that the cooling and heating cannot be initialised simultaneously. - Page 17 Condensing Units CU/CFCU Electrical Information INTERCONNECTING WIRING Electro-Mechanically Controlled Units CU.1-4 Mains Incoming 230/1/50 or 400/3/50 Compressor Signal From Indoor Unit CU.1 - 4 Cooling Signal From 24vac controlled Indoor Unit 589/502 Volt Free Contact for Unit Trip Indication ...
- Page 18 CU/CFCU Condensing Units pLAN Termination The plugged termination ensures that the connections are made simultaneously. Failure to attach the cables this way may cause damage to the controller. Condensing Units Installation & Maintenance Manual : 6259626 IM V1.6.0 04/16...
-
Page 19: Commissioning
Condensing Units CU/CFCU Commissioning GENERAL The following commissioning information is based on a complete matched Airedale system using R407C. PRE-START CHECKS Once the whole system has been installed it is most important that the following pre-start checks are made:- The unit condition is satisfactory. -
Page 20: Control Circuit Checks
CU/CFCU Condensing Units Commissioning CONTROL CIRCUIT Please refer to the Airedale matched indoor unit manual for further details. CHECKS Cooling Only & Heat Disconnect the compressor power wiring from the compressor contactor. Switch on mains power. Pump Check status of the Alarm LED’s on the microprocessor, refer to information provided with unit. -
Page 21: Refrigerant Charging
CU/CFCU Commissioning REFRIGERANT The following information is based on a complete Airedale matched system and indicates the approximate amount of refrigerant charge required. It is also assumed that the system CHARGING has been designed within operating parameters and to good refrigeration practice. -
Page 22: Running Checks
LED 4 will also flicker intermittently when the controller is communicating with the indoor board. The Airedale matched indoor units can be configured to a Master/Slave function, refer to indoor unit manuals for details. Master/Slave control refers to a number of indoor units in one area being controlled at one designated indoor unit by one command. -
Page 23: Troubleshooting
Condensing Units CU/CFCU Troubleshooting (CU./CUH. 1– 4 Only) FAULT POSSIBLE CAUSE REMEDY/ACTION CRITICAL ALARMS: Aux. Alarm (LED 3 On) Auxiliary Trip. Check operation of customer-added alarm function. Outdoor Fan Fault Fan Trip. Check and (if necessary) replace fan. (LED 1 & 2 On) Coil Sensor Fault Faulty Sensor. - Page 24 CU/CFCU Condensing Units Troubleshooting FAULT POSSIBLE CAUSE REMEDY/ACTION Unit Will Not Start No power. Check power supply to the controller. Wired incorrectly. Check wire connections in accordance with wiring diagram on control box lid. Loose wires. Check all wires, connections, terminals etc. CU./CUH.
- Page 25 Condensing Units CU/CFCU Troubleshooting FAULT POSSIBLE CAUSE REMEDY / ACTION Compressor short cycles or LP switch faulty (if fitted). Check cut out pressure and replace LP cut-out operated if necessary. Dirty indoor unit filters. Replace. Dirty or icing evaporator (reduced airflow). Defrost and/or clean.
- Page 26 CU/CFCU Condensing Units Troubleshooting FAULT POSSIBLE CAUSE REMEDY / ACTION Condenser fan runs too fast High ambient condition or excessive re- Check installation against design. circulation of air around condenser coil. Minimum set speed setting incorrect. Adjust as necessary. Incorrect pressure sensor setting. Adjust sensor screw as necessary.
-
Page 27: Maintenance
Condensing Units CU/CFCU Maintenance IMPORTANT The equipment contains live electrical and moving parts, isolate all electrical equipment before any work is carried out. ACCESS Access to the compressor and control panel area is gained by removing the securing screws from the cover of the condensing unit casing and lifting the cover off. Access is gained to the fan(s) through the top of the unit by removing the top cover. - Page 28 CU/CFCU Condensing Units Notes: Condensing Units Installation & Maintenance Manual : 6259626 IM V1.6.0 04/16...
- Page 29 Condensing Units CU/CFCU Condensing Units Installation & Maintenance Manual : 6259626 IM V1.6.0 04/16...
- Page 30 W here to Fin d U s Head Office: Airedale International Air Conditioning Ltd Leeds Road Rawdon Leeds LS19 6JY United Kingdom Tel: +44 (0) 113 239 1000 Fax: +44 (0) 113 250 7219 e-mail: enquiries@airedale.com website: www.airedale.com PART NO:...
Need help?
Do you have a question about the CU 1-1.5 and is the answer not in the manual?
Questions and answers