Trane AquaStream 2 CCUN Series Installation Operation & Maintenance Download Page 24 | Manualshive

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CG-SVX06F-GB

24

Installation

Figure 12 - CGWN and CCUN main power supply connection (212-215)

1Q10

L1

L1

L2

L3

L2

L3

Note:

Check phase rotation prior to start compressor and make sure phase order is

correct. Failure to do so may result on compressor damage.

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Summary of Contents for AquaStream 2 CCUN Series

Page 1: ...riginal instructions Indoor liquid chiller with integrated hydraulic module Water cooled model CGWN and Condenserless model CCUN 205 206 207 208 209 210 211 212 213 214 215 R410A Installation Operatio...

Page 2: ...13 Water connections 14 Refrigerant line connections 15 Winter freeze protection 20 Electrical connections 21 Interconnection between CCUN and Remote Condenser 25 Preparation for start up 27 General S...

Page 3: ...spected For more information refer to the general sales conditions of your local TRANE sales office Note Unit inspection in France Delay to send registered letter in case of visible and concealed dama...

Page 4: ...on by a specialist in our equipment Regular maintenance ensures that any malfunction is detected and corrected in good time and minimizes the possibility that serious damage will occur Finally regular...

Page 5: ...single speed 4 With fan control 1 stage dual speed and 2 stages single speed electronic chart X Without fan control electronic charts Digit 20 21 22 Factory assigned Digit 23 Evaporator leaving water...

Page 6: ...6 Factory assigned Digit 37 Special Control Ice making kW demand limit X Without 1 With Digit 38 Hot water control X Without 1 With Digit 39 40 Factory assigned Digit 41 Relay card X Without 1 With Di...

Page 7: ...e available 6 kPa 203 180 170 Condenser water pressure drop kPa 28 39 38 Condenseur head pressure available 6 kPa 180 159 177 System Data Refrigerant circuit 2 2 2 2 2 2 2 2 2 2 2 Capacity steps 4 4 4...

Page 8: ...rainer 3 3 4 4 4 4 4 4 4 4 4 Expansion tank volume L 25 25 25 25 25 25 25 35 35 35 35 User volume expansion capacity 6 L 3600 3600 3600 3600 3600 3600 3600 5100 5100 5100 5100 Max water side operating...

Page 9: ...2808 2808 Length with pumps mm 2545 2545 2545 2545 2545 2545 2545 3498 3498 3498 3498 Width mm 880 880 880 880 880 880 880 878 878 878 878 Standard Efficiency Operating Weight CGWN CCUN Base Unit wit...

Page 10: ...t Dimensions Weights for unit operating weights Once in place the unit must be level with 3 mm over its length and width Trane is not responsible for equipment problems resulting from an improperly de...

Page 11: ...ion algae or slime It is recommended that the services of a qualified water treatment specialist be engaged to determine what water treatment if any is required Trane assumes no responsibility for equ...

Page 12: ...7 Stop valve located on the outlet connection used to measure the water pressure inlet or outlet of evaporator 8 Strainer avoid to get heat exchangers dirty All installation must be equipped with effi...

Page 13: ...in order to obtain maximum 1 C chilled water temperature fluctuation vs Chilled water set point 2 Minimum water loop volume in order to obtain maximum 1 5 C chilled water temperature fluctuation vs Ch...

Page 14: ...e or dual pump low or high pressure head 2 Condenser side options No hydraulic control With pump contactors to control a remote pump single or dual With pump integrated hydraulic module consisting of...

Page 15: ...te condensers The model CCUN is part of the installation which is protected at 44 5 bar for R410A The party in charge of the supply of the condenser and of its refrigerant piping is responsible of imp...

Page 16: ...8 1 3 8 1 5 8 CCUN 209 1 1 8 1 3 8 1 5 8 CCUN 210 1 1 8 1 3 8 1 5 8 CCUN 211 1 1 8 1 3 8 1 5 8 CCUN 212 1 5 8 2 1 8 CCUN 213 1 5 8 2 1 8 CCUN 214 1 5 8 2 1 8 2 5 8 CCUN 215 1 5 8 2 1 8 2 5 8 Leaving...

Page 17: ...208 7 8 1 1 8 1 3 8 CCUN 209 7 8 1 1 8 1 3 8 CCUN 210 7 8 1 1 8 1 3 8 CCUN 211 7 8 1 1 8 1 3 8 CCUN 212 1 1 8 1 3 8 1 5 8 CCUN 213 1 1 8 1 3 8 1 5 8 CCUN 214 1 1 8 1 3 8 1 5 8 CCUN 215 1 1 8 1 3 8 1...

Page 18: ...withstand rated pressure Refrigerant charge CCUN units are delivered with a nitrogen holding charge and isolating valves After system pressure and vacuum testing fill up unit with refrigerant accordin...

Page 19: ...Standard 2 95 1 5 8 25 1 1 8 55 215 Standard 1 98 1 5 8 24 1 1 8 52 Standard 2 98 1 5 8 24 1 1 8 52 Figure 5 Installing pressure relief valve 205 211 1 2 1 Connection for pressure relief valve circuit...

Page 20: ...due to internal refrigerant migration if the condenser circuit is maintained at a low temperature below 0 C for a long period during the cold season If necessary provide isolation valves on the conden...

Page 21: ...in wiring diagram Adequate cable gland should be chosen ensuring no foreign bodies enter the electrical housing or components CAUTION 1 Cabling must comply with local standards The type and location...

Page 22: ...CG SVX06F GB 22 Installation Figure 9 CGWN and CCUN main power supply connection 1 212 215 1 Power cable inlet 2 Disconnect switch 1 shown here CGWN Components in same location on CCUN...

Page 23: ...doors to allow for proper operation of the chiller The wiring of the sensor has to be performed with a 2 wires cable of 0 75 to 1 5 mm type H05WWF or equivalent The maximum length of this cable is 305...

Page 24: ...ion Figure 12 CGWN and CCUN main power supply connection 212 215 1Q10 L1 L1 L2 L3 L2 L3 Note Check phase rotation prior to start compressor and make sure phase order is correct Failure to do so may re...

Page 25: ...1 3 4 4 4 Single speed only fans 6 1 2 3 3 4 4 4 Two fan speed first fan 1 3 3 4 4 4 Single speed only fans Table 9 Fan staging Example 4 fans per circuit single speed Stage Number of Fans Standard 4...

Page 26: ...ture to minimize compressor discharge temperature For very high leaving condensing water temperature above 55 C the refrigerant charge can be minimized by 20 Figure 13 CGWN operating limits 0 10 20 30...

Page 27: ...of evaporator The strainers must be cleaned after 2 hours of pumps operation Check the thermometers and manometers position Check chilled water pumps interconnection to control panel Ensure that the...

Page 28: ...oil level at rest The level should reach at least the minimum oil level on the indicator located on oil equalization line see Compressor oil level at oil equalization line figures at the end of Genera...

Page 29: ...um value 2 megohms Operating parameters statement Switch on main power supply switch Start the water pump s and check there is no cavitation Start up the unit following procedure described in the CGWN...

Page 30: ...ort which must be sent as soon as possible to your local Trane office Do not start up a motor whose insulation resistance is less than 2 megohms Phase imbalance should not be greater than 2 The voltag...

Page 31: ...05HE 206HE G B C F A H D E EWFR Evaporator Waterflow Rate EWPD Evaporator Water Pressure Drop Figure 17 Standard units condenser pressure drop 1 10 100 1000 1 00 10 00 100 00 Condenser Pressure drop w...

Page 32: ...N 207 HE F E G H I K J N Single Pump D B L A C M EWFR Evaporator Waterflow Rate EWPD Evaporator Water Pressure Drop Figure 19 Chiller available pressure Evaporator side Standard and High Efficiency un...

Page 33: ...E N 207 HE F E G H I K J Single Pump D G M N B B L A EWFR Evaporator Waterflow Rate EWPD Evaporator Water Pressure Drop Figure 21 Chiller available pressure evaporator side Standard and High Efficienc...

Page 34: ...ow Rate CWPD Condenser Water Pressure Drop Note Pumps remain the same when variable speed drive option is selected Figure 23 Chiller available pressure condenser side Standard and High Efficiency unit...

Page 35: ...6 4 2 0 2 4 LWT C Concentration Concentration LWT Lowest water temperature CAUTION Loading concentrated glycol in the water loop at the suction side of the pump is prohibited It can severely damage th...

Page 36: ...sales representative A relief valve is located at pump suction limiting water circuit pressure at 3 bar Nitrogen pressure inside of the expansion tank must be equal to the geometric height of the ins...

Page 37: ...evaporator Check presence of air purge valve Check rinsing and filling of chilled water pipes Check water pump s contactor interconnected to control panel Check water flow Check chilled water pressur...

Page 38: ...cautions are taken to prevent frost damages during negative ambient temperature Do not put the general disconnect switches to off except if the unit is drained Trane does not recommend draining the un...

Page 39: ...eak test Check configuration of unit control module Change the oil as required based upon results of the oil analysis made during seasonal shutdown Get the 8 condition measurements at the same time on...

Page 40: ...from unit start up Carry out oil analysis Carry out leak test Inspect contacts and tighten terminals Record operating pressures temperatures amperages and voltage Check operation of machines compare c...

Page 41: ...exhaustively tested in Trane laboratories to the specific requirement of Trane chiller and hence the user s requirements Any use of oils not meeting specifications recommended by Trane is the respons...

Page 42: ...Discharge pressure too high Shut down by thermal overload due to discharge temperature or motor thermal overload See Discharge pressure too high Wait 30 minutes until auto reset of compressor mounted...

Page 43: ...ystem Reduce water flow if necessary Condenser air output too hot Reduced air flow Air intake temperature higher than specified for unit Clean or replace air filters Clean coil Check operation of fan...

Page 44: ...vanced controls and HVAC systems comprehensive building services and parts For more information visit www Trane com Trane has a policy of continuous product and product data improvement and reserves t...

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