Trane CCUF Installation Operation & Maintenance Download | Manualshive

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Page 20

7.4

HYDRAULIC VERSIONS

CCUF units are available in combination with various

external hydraulic kits

which are supplied separately

from the unit and supplied directly by manufacturer.

The available modules are the following ones:

Single pump hydraulic

kit with or without

i

t

2 x single pumps hydraulic

kit with or without inverter

Tank kit

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Summary of Contents for CCUF

Page 1: ...Installation Operation Maintenance CCUF Indoor condenserless chillers with scroll compressors Cooling capacity 45 620 kW September 2021 CG SVX050C GB Original instructions...

Page 2: ...ECTIONS 17 8 REFRIGERANT SCHEME 32 9 CONNECTION TO THE REMOTE CONDENSER 33 10 ELECTRICAL PANEL AND ELECTRICAL DATA 34 11 OPERATOR RESPONSABILITIES 37 12 START UP PRELIMINARY PROCEDURES 37 13 CHECK LIS...

Page 3: ...SAFETY REGULATIONS All units are designed built and inspected in compliance with Pressure Equipment Directive PED97 23 EC or 2014 68 EU and EU Directive 2006 42 EC To avoid death injury equipment or p...

Page 4: ...it has a strong skinning effect In this case it is necessary to rinse with fresh water the contaminated parts of the skin The refrigerant in liquid stage in contact with wet fabrics cause freezing and...

Page 5: ...essor is off but the main switch is closed Do not access the compressor electrical box check that the unit has been earthen correctly before starting it up control all the electrical connections and t...

Page 6: ...the unit has an independent compressor compartment do not open the ventilator compartment without having first isolated the machine using the knife switch on the side of the panel and only after havi...

Page 7: ...ocated and eliminated the cause of the fault Repeated manual resets may cause the warranty to be annulled DO NOT PULL OUT THE HIGH PRESSURE SWITCHES Nr 1 PER REFRIGERANT CIRCUIT IF THE UNIT IS NOT COM...

Page 8: ...ent any device aimed to protect the unit from the harsh weather effects 3 2 OPERATING LIMITS CCUF condenser less units operation is permitted within the limits indicated in the operating map provided...

Page 9: ...39 1 47 In order to calculate performance with glycol solutions multiply main sizes by respective coefficients GLYCOL PERCENTAGE DEPENDING ON FREEZINGTEMPERATURE glycol according to the freezing temp...

Page 10: ...fted from above by means of eyebolts and holes in the base members Use retractor bars to keep the lifting wires or chains away from the unit Figure 2 Correct lifting procedure for platform 1 units siz...

Page 11: ...re 4 Figure 5 Correct lifting procedure for platform 3 units sizes with two refrigerant circuits from 095 to 420 Correct lifting procedure for platform 4 units sizes with two refrigerant circuits from...

Page 12: ...t Rubber shock absorbers are recommended for units installed on the ground spring shock absorbers for units installed on roofs Open spaces around the unit must be provided for in order to allow normal...

Page 13: ...significantly reducing the unit performance and considerably increasing consumption of electrical energy The following drawings are views from under the units Figure 7 minimum space requirements mm f...

Page 14: ...through spring anti vibration mounts it is necessary to remove blockages put to fasten the compressors as indicated on the label on compressors body Side of the unit that can be placed next to the wa...

Page 15: ...CTIONS Protect the unit electric box power supply circuit with protection devices not included in the supplied equipment Connect the line terminals with a three core cable of a section which is approp...

Page 16: ...60 A OT160G03 170 3P 160 A OT160G03 190 3P 160 A OT160G03 210 3P 200 A OT200E03 95 3P 160 A OT160G03 105 3P 160 A OT160G03 120 3P 160 A OT160G03 135 3P 160 A OT160G03 160 3P 160 A OT160G03 185 3P 200...

Page 17: ...e new unit is installed Regular tests and proper chemical treatment of water are recommended before starting up the new unit In the event that glycol is added to the hydraulic system as anti freeze pr...

Page 18: ...5 0 54 119 4 11 9 31 6 105 1 01 0 58 118 5 12 7 33 7 120 1 14 0 65 117 0 14 2 37 9 135 1 33 0 76 56 4 16 7 44 4 160 1 57 0 90 55 3 19 6 52 3 185 1 81 1 03 54 5 22 6 60 2 215 2 11 1 21 30 8 26 4 70 5 2...

Page 19: ...f command of this pump must always be the one provided by the unit controller through the relevant free potential contact in the electrical cabinet as long as the ambient air temperature is holding be...

Page 20: ...th various external hydraulic kits which are supplied separately from the unit and supplied directly by manufacturer The available modules are the following ones Single pump hydraulic kit with or with...

Page 21: ...e provided for each component to be connected In case of selection of external hydraulic kit it is necessary to provide 1 kit for the unit and 1 kit for the external hydraulic kit module E g CCUF pump...

Page 22: ...harge Water Discharge Check Valve Water Tank Flexible joint Flow Switch Filter User Heat Exchanger Remote Connections at customer care Plant side REMARKS 1 apply the flow switch in a straight pipe far...

Page 23: ...scharge Check Valve Water Tank Flexible joint Flow Switch Filter User Heat Exchanger Remote Connections at customer care Plant side REMARKS 1 apply the flow switch in a straight pipe far from filters...

Page 24: ...r Discharge Check Valve Water Tank Flexible joint Flow Switch Filter User Heat Exchanger Remote Connections at customer care Plant side REMARKS 1 apply the flow switch in a straight pipe far from filt...

Page 25: ...6 4 208 179 190 215 37 36 C 3 44 6 4 196 160 210 237 41 44 D 4 52 8 7 234 190 Two refrigerant circuits sizes 095 110 19 43 B 2 55 5 1 211 168 105 118 20 49 B 2 55 5 1 207 158 120 132 23 60 B 2 55 5 1...

Page 26: ...Page 26 USER SIDE...

Page 27: ...215 37 36 D 8 26 13 6 369 333 210 237 41 44 D 8 26 13 6 363 320 Two refrigerant circuits sizes 095 110 19 43 C 4 52 8 7 351 308 105 118 20 49 C 4 52 8 7 347 298 120 132 23 60 C 4 52 8 7 338 278 135 1...

Page 28: ...Page 28 USER SIDE...

Page 29: ...the steel mesh strainer in the customer plant are obligatory in order to keep the warranty P1 Primary Pump P2 Secondary Pump ST Temperature Probe FL Flow Switch SC Drainage SF Vent Valve ET Expansion...

Page 30: ...iner in the customer plant are obligatory in order to keep the warranty P1 Primary Pump P2 Secondary Pump ST Temperature Probe FL Flow Switch SC Drainage SF Vent Valve ET Expansion Vessel GR Filling g...

Page 31: ...ical screw in thread RP 1 ISO7 1 It should be installed far from elbows or throttling with an arrow on flow direction If pipe is vertical reclibrate range to balance paddle weight If the device is dow...

Page 32: ...position INDEX C COMPRESSOR PA HIGH PRESSURE SWITCH PB LOW PRESSURE SWITCH RC COMPRESSOR CARTER HEATER MA HIGH PRESSURE GAUGE MB LOW PRESSURE GAUGE PS SERVICE VALVE VS SIGHT GLASS R SHUT OFF VALVE OP...

Page 33: ...2 120 28 22 135 28 22 160 28 22 185 35 28 215 35 28 235 35 28 255 35 28 295 42 28 325 42 28 365 42 28 420 42 28 485 42 35 540 42 35 580 42 35 620 42 35 IMPORTANT The party in charge of the supply of t...

Page 34: ...xample on the roof the maximum vertical length must not exceed 10 meters with siphons In case the CCUF condenser less unit will be placed at a higher level and the refrigerant condenser at a lower lev...

Page 35: ...s power supplied The unit is equipped with an alarm relay which changes state every time an alarm occurs in one of the cooling circuits Connect the terminals as per the wiring diagram on the unit term...

Page 36: ...180 6 107 1 56 6 99 0 216 0 73 5 142 5 105 27 5 48 1 147 0 27 5 48 1 183 0 109 5 59 4 104 0 221 0 73 5 147 5 120 30 3 53 1 147 0 30 3 53 1 186 8 113 3 67 4 118 0 235 0 73 5 161 5 135 34 5 60 4 158 0 3...

Page 37: ...alve of the compressor Open the liquid shutoff valve placed on the liquid line Measure the suction pressure If it is lower than 0 42 MPa pry open the solenoid valve on the liquid line by means of an e...

Page 38: ...ESULTING FROM MODIFICATIONS OR CHANGES UNIT TAMPERING UNAUTHORIZED MODIFICATIONS TO THE REFRIGERANT CIRCUIT OR THE HYDRAULIC CIRCUIT OR THE ELECTRICAL PANEL OR CHANGES TO THE UNIT OPERATING PARAMETERS...

Page 39: ...OR ANY ADDITIONAL CONTROLLER HAS BEEN INSTALLED 18 THE CONNECTION WIRES ARE SHIELDED 19 REMOTE CONTROL DEVICES OR INTERFACES ARE CONNECTED TO THE ELECTRICAL PANEL IN CONFORMITY WITH TRANE WIRING DIAG...

Page 40: ...RE STARTING UP THE UNIT UNTIL THE CORRECT DELTA T IS ASSURED AND THE HYDRAULIC PRESSURE IS CONFORM TO THE PLANT AND TO THE WATER PRESSURE DROPS FOR FURTHER TECHICAL INFORMATIONS PLEASE REFER TO TRANE...

Page 41: ...TION PROVIDED PLEASE NOTE THAT ANTIFREEZE PROTECTIONS ARE MANDATORY FOR OUTDOOR AIR TEMPERATURE LOWER THAN 3 C 43 THE WATER CIRCUIT IS FILLED WITH ETHYLENE GLYCOL ETHYLENE GLYCOL SHALL CONFORM TO THE...

Page 42: ...xcess of charge After intervention on the charge it is appropriate to check that the unit runs within the declared values with unit steadily running on a full charge measure the temperature of the suc...

Page 43: ...and possible damage to the compressor The symptoms of a low refrigerant charge are o Low evaporation pressure o High value of superheating o Low value of sub cooling In this case add refrigerant R410A...

Page 44: ...mpressor Check the rotation direction of the compressors If it is not the right one invert two supply phases Ensure that all the safety and control equipment is functioning correctly Control the tempe...

Page 45: ...frigerant circuit the liquid indicator placed on the inlet pipe to the expansion valve is completely filled no bubbles and that the moisture indicator signs Dry The passage of bubbles within the liqui...

Page 46: ...ompressors are wired correctly for proper rotation These compressors will not tolerate reverse rotation Verify correct rotation phasing using a rotation meter If wired incorrectly the compressor will...

Page 47: ...ssembled and connected to the microprocessor The descriptions of each sensor are listed below Outgoing water temperature sensor This sensor is located on the evaporator outgoing water connection and i...

Page 48: ...ement using a Megger insulation of the compressor motor X Refrigerant circuit Perform a test of refrigerant leaks X Check through the sight glass coolant flow Full Indicator X Carry out the analysis o...

Page 49: ...tric heaters 1 per type check valve 1 per type sight glass 1 per type 2 YEAR COMPONENTS QUANTITY fuses all filter dryers all solenoid valves all electronic expansion valves all pressure switches all g...

Page 50: ...ssor has operated in critical condition or there is a lack of charge in the circuit Make sure that working conditions are within the limits of operation Loss of coolant see section G C The compressor...

Page 51: ...ng a leak detector after pressurising the circuit to approximately 4 bars Repair evacuate and refill H Frost in the liquid line downstream from a filter x x s The filter is clogged Replace the filter...

Page 52: ...refrigerant charge See point G x x s The liquid filter is clogged Replace N Abnormal noise detected in the system x x s Compressor noisy Check and replace if necessary x x s The panel vibrate Fasten...

Page 53: ...echnologies NYSE TT a global climate innovator creates comfortable energy efficient indoor environments for commercial and residential applications For more information please visit trane eu or tranet...

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