Comet XRCA-3023-WA, Manual

Page 1: ...Industrial X Ray Chiller Manual XRCA 3023 WA 3000 Watt Water to Air Chiller...

Page 2: ...ing of this document utilization or posting of its contents is not permitted unless formally granted Violations entail claims for compensation All copyrights including rights due to patent grant or re...

Page 3: ...t operator 12 2 2 1 Planning and monitoring the safety measures 12 2 2 2 Minimizing the risk of injury 12 2 3 Personnel requirements 12 2 3 1 Qualifications 12 2 3 2 User groups 13 2 3 3 Specialized k...

Page 4: ...it 25 5 9 Preparing the unit for the further transport 25 6 INSTALLATION AND COMMISSIONING 27 6 1 Requirements concerning the installation location 27 6 1 1 Installation location 27 6 1 2 Environmenta...

Page 5: ...Cleaning the heat exchanger 44 9 11 Cleaning the casing 45 10 REPAIR 46 10 1 Safety 46 10 2 Repair procedures 46 11 DECOMMISSIONING AND DISPOSAL 47 11 1 Temporary placing out of operation 47 11 2 Ret...

Page 6: ...pect to general danger or damage to property Warning with respect to electrical hazard Table 1 Warning signs Symbol Meaning This symbol indicates the requirement of disconnecting from mains This symbo...

Page 7: ...is warning instruction may result in material damage Structure of the warning instructions The following information builds the warning instructions Warning symbol Signal word Type and source of the h...

Page 8: ...warranty and duration of warranty of the unit in question can be taken from the contract documents as well as from the order confirmation Warranty claims and liability are excluded in case of one of t...

Page 9: ...tional equipment it is the sole responsibility of the customer to assure the accurate implementation of the safety devices required 1 4 Contact information If you have questions with respect to this u...

Page 10: ...the operational location of the unit in a complete and perfectly readable form Use the unit exclusively for what it was intended The unit must be operational and error free Check the condition of the...

Page 11: ...ns is not permitted since otherwise the operation safety cannot be granted When using the unit in a way not compliant with the intended use hazardous situations may occur Operation of the unit is not...

Page 12: ...available for first aid and rescue operations The procedures competence and responsibility have to be determined Employees have to practice the procedures to be followed in the event of an incident Al...

Page 13: ...of the structure and functionality of unit Table 3 User groups 2 3 3 Specialized knowledge NOTE Authorized persons The technical information about the unit settings maintenance and electrics is direc...

Page 14: ...ng of coolant 2 5 Safety and signaling equipment included in the unit The unit is equipped with the following safety equipment see Figure 1 The maximum pump pressure is limited by a pressure relief va...

Page 15: ...or the purpose of maintenance or repair works and shall be replaced prior to taking the unit back into operation see Removing and mounting the unit cover 2 7 Caution label Danger spots on the unit are...

Page 16: ...nvironmental issues And anticipatory behavior of staff avoids environmentally hazardous impacts The following principles apply for environmentally conscious behavior Environmentally hazardous substanc...

Page 17: ...or COMET Type of product 3000 watt water to air chiller Type of unit XRCA 3023 WA 3 2 Identification plate The identification plate is attached to the housing of the unit and contains the following sp...

Page 18: ...mitted since otherwise the operation safety cannot be granted When using the unit in a way not compliant with the intended use hazardous situations may occur Operation of the unit is not permitted und...

Page 19: ...rounding air driven by the fan through the heat exchanger 4 4 2 Cooling circuit secondary circuit In the cooling circuit the coolant is moved by the pump via the supply line to the target device and b...

Page 20: ...nit operational frost guard did not trigger Off frost guard triggered unit cannot be activated Key DOWN Lowers the value of the selected parameter incrementally Key UP Raises the value of the selected...

Page 21: ...Current consumption 9 3 A Operating noise 65 dB A measured at a distance of 1 m Air flow at 50Hz 60Hz 1700 m3 h 2200 m3 h Protection class IP21 Environment specifications Operation above sea level Up...

Page 22: ...e mounting suspensions of different components inside the unit are not secured with transporta tion locks In case of improper transportation these can be damaged without repair and would need to be re...

Page 23: ...and recycled Dispose of packing materials environmentally Follow the locally valid waste disposal regulations If necessary employ a special waste disposal company to dispose of packing material The un...

Page 24: ...ns Secure the unit so that it cannot tip or fall For in house transport lift the unit and transport it by means of suitable industrial truck or lift truck 5 7 Transportation on rollers The unit is equ...

Page 25: ...ion caps for the coolant inlet and coolant outlet connections have only to be removed just before installation takes place In order to store the units for more than 6 months please consult COMET 5 9 P...

Page 26: ...over removed see Removing and mounting the unit cover Tools and material required Slot screwdriver Procedure Dismount the vent plug Mount the transport plug using the slot screwdriver Mount the unit c...

Page 27: ...osion damage may result and are not covered by manufacturer s liability The unit is only authorized for use in indoor environments The unit must not be stored or operated in aggressive humid environme...

Page 28: ...tch off the unit before starting your work Disconnect the unit from mains by pulling the mains plug Secure the unit against being switched on again Verify that the unit is dead Carry out earthing and...

Page 29: ...up of the unit NOTE Lack of coolant may impair cooling capacity and destroy the pump Only operate the unit with correct coolant level Check the coolant level regularly Starting up the unit Requirement...

Page 30: ...t Switching off the unit Requirements Cooling operation finished Procedure Switch of the unit using the power button Close all valves that may exist in the extension of the hoses running to and from t...

Page 31: ...department to receive a briefing NOTE The maximum pressure which is reached by the device to be cooled is affected by the length of the coolant hoses Setting the maximum pressure Tools and material re...

Page 32: ...olant outlet temperature is now set 7 3 3 2 Setting the anti freeze guard T2 NOTE By default the nominal value of the anti freeze temperature is set to 5 C by factory It is stored in the internal para...

Page 33: ...OWN simultaneously and hold for 4 seconds The display shows P1 Press the SET key and hold it during adjustment Set up mode is now activated and the current value of P1 is displayed Set the desired val...

Page 34: ...n or an extended cooling circuit with long hoses Heat exchanger condenser polluted Fan polluted or blocked Filter strainer in a closed hydraulic circuit polluted or blocked More help can be found in t...

Page 35: ...Cleaning the filter strainer Operator No flow in cooling circuit Flow is signaled potential free by the safety equipment of the unit and can be indicated by the controls of the device to be cooled Ope...

Page 36: ...ing on electrical installations the following principles should be observed Works on the electrical installations may only be accomplished by qualified electrical staff When connecting electrical equi...

Page 37: ...ling or tipping over Only perform maintenance work using conventional tools Improper or dam aged tools can result in personal injury Handling with coolant WARNING WARNING Risk of burning and or scaldi...

Page 38: ...tenance task Personal protective gear The following personal protective gear for all maintenance work has to be worn Protective footwear Protective gloves Protective eyewear 9 2 Maintenance schedule T...

Page 39: ...o be made Terminate the cooling operation Let the unit and its coolant cool down to the ambient temperature Switch off the unit Disconnect the unit from mains by pulling the mains plug Secure the unit...

Page 40: ...e that non transparent hoses are used to prevent algae growth in the water Otherwise appropriate additives have to be used NOTE When connecting the coolant hoses pay attention to flow direction Follow...

Page 41: ...nd material required Collection container Filling funnel Absorbent cloth Bonding agent Procedure Connect the hose nipple to the coolant outlet Place a suitable container below the coolant outlet to co...

Page 42: ...on of the coolant filler plug 1 Vent plug 2 Transport plug 3 Coolant filler opening 9 8 Removing and mounting the unit cover NOTE The connection side and the back side of the unit may not be removed R...

Page 43: ...o the ambient temperature that there is no more risk of burns or scald ing NOTE Risk of damage to the pump if the unit is operated with a fully closed ball valve Never start the unit when the ball val...

Page 44: ...l and top up if necessary see Adding coolant Start up the unit see Putting the unit into operation The filter strainer is now clean Figure 12 Mounting position of the filter strainer 1 Screw cap of th...

Page 45: ...ay Hand brush Brush Procedure Clean the heat exchanger with a vacuum cleaner hand brush or brush Clean the heat exchanger with compressed air opposite to the direction of air entrance into the unit i...

Page 46: ...g the warranty period the unit must be sent to the COMET service department for repair see Contact information or the COMET services website under http www comet xray com Service Contact Form When war...

Page 47: ...free room For recommended storage conditions see Storing the unit Prior to decommissioning Procedure Finish the cooling operation Disconnect the unit from mains Let the unit and the coolant cool down...

Page 48: ...operating materials of the unit can be hazardous to the environment and to health Make sure the operating materials are disposed of or recycled according to local regu lations Also the safety specific...

Page 49: ...f spare parts made by manufacturers other than COMET The type of the unit and the article number can be found on the identification plate of the unit The corresponding numbers shown in drawings below...

Page 50: ...Addendum 50 13 Addendum 13 1 Performance diagram Item Position Designation T C Temperaturedifference Oil to water W Cooling performance in watts 1 Ambient temperature...

Page 51: ...Addendum 51 13 2 Flow chart...

Page 52: ...ion line accumulator C Bypass valve 3 Compressor D 1 Evaporator 4 Pressure controller LP HP E Temperature controller 5 Check valve F Level sensor 6 Condenser G Container 7 Collector H Filter 8 Shut of...

Page 53: ...Addendum 53 13 3 Wiring diagram...

Page 54: ...rigerating unit M3 Fan N1 Temperature controller N1T1 Forward temperature N2T2 Temperature max N1T3 Antifreezing Q1 Relay refrigerating unit Q2 Disturbance level relay Q3 Relay R1 RC element R2 RC ele...

Page 55: ...Addendum 55 13 4 Dimension drawing...

Page 56: ...ch www comet xray com USA COMET Technologies USA Inc 100 Trap Falls Road Extension Shelton CT 06484 USA T 1 203 447 31 65 F 1 203 925 03 64 service xray cometusa com www comet xray com Asia COMET Chin...