background image

Variable-Speed Air-Cooled Screw Chillers

AquaForce PUREtec with R1234ze (E)

30XAV-ZE 401-901

nominal cooling capacity : 400-900 kW

50 hz

 Original document 

InsTallaTIon, oPEraTIon and 

MaInTEnancE InsTrUcTIons

Summary of Contents for AquaForce PUREtec 30XAV-ZE 401

Page 1: ...ariable Speed Air Cooled Screw Chillers AquaForce PUREtec with R1234ze E 30XAV ZE 401 901 nominal cooling capacity 400 900 kW 50 hz Original document InsTallaTIon oPEraTIon and MaInTEnancE InsTrUcTIon...

Page 2: ...CAL CONNECTION 19 5 1 Power supply 19 5 2 Voltage phase imbalance 19 5 3 Power connection disconnect switch 19 5 4 Recommended wire sections 19 5 5 Power cable entry 19 5 6 Field control wiring 20 5 7...

Page 3: ...31 9 10 Fans 31 9 11 Electronic expansion valve EXV 32 9 12 Moisture indicator 32 9 13 Filter drier 32 9 14 Sensors 32 9 15 Service valve option 92 33 9 16 Variable frequency drive 33 10 options 34 1...

Page 4: ...oom installation Local building codes and safety standards shall be followed In absence of local codes and standards please refer to EN 378 2012 Safety requirements for substances classified A2 or to...

Page 5: ...the refrigerant using a proper refrigerant reclaim device and reclaim cylinders The units can also be lifted with slings using only the designated lifting points marked on the unit Use slings with the...

Page 6: ...lue Reactivate HP soft See dedicated Quick test function CAUTION If the test leads to replacing the pressure switch it is necessary to recover the refrigerant charge these pressure switches are not in...

Page 7: ...n equipment failure carry out a refrigerant analysis at a specialist laboratory If required change the refrigerant following a procedure such as that described in NF E29 795 If the refrigerant circuit...

Page 8: ...d with dry nitrogen Refrigerant in contact with an open flame produces toxic gases The necessary protection equipment must be available and appropriate fire extinguishers for the system and the refrig...

Page 9: ...use of any other refrigerant may expose users and operators to unexpected risks Do not attempt to remove refrigerant circuit components or fittings while the machine is under pressure or while it is...

Page 10: ...ems and they do not require earthquake resistance Earthquake resistance has not been verified CAUTION Only use slings at the designated lifting points which are marked on the unit Before siting the un...

Page 11: ...the protection of moving parts Verify the accessibility for maintenance or repair and to check the piping Verify the status of the valves Verify the quality of the thermal insulation and of the vapou...

Page 12: ...he space required Legend All dimensions are given in mm Required clearances for maintenance see note Recommended space for evaporator tube removal Water inlet for standard unit For options 100A 100C 1...

Page 13: ...e close to walls please refer to chapters 3 8 3 9 Distance to the wall of this document to determine the space required Legend All dimensions are given in mm Required clearances for maintenance see no...

Page 14: ...hapters 3 8 3 9 Distance to the wall of this document to determine the space required Legend All dimensions are given in mm Required clearances for maintenance see note Recommended space for evaporato...

Page 15: ...sory supplied loose at the time of purchase can be added NOTES Drawings are not contractually binding Before designing an installation consult the certified dimensional drawings available on request F...

Page 16: ...rol Minimum capacity 10 10 10 10 10 10 10 Condensers All aluminium Micro Channel Heat Exchanger MCHE Fans Standard unit Axial FLYING BIRD IV fans with rotating shroud Quantity 9 10 12 14 16 18 20 Maxi...

Page 17: ...eration with maximum unit power input Values obtained at operation with maximum unit power input Values given on the unit nameplate When the machines are equipped with two power supplies circuit 1 is...

Page 18: ...transformer 4 Overcurrent protection of the power supply conductors is not provided with the unit 5 The factory installed disconnect switch es circuit breaker s is are of a type suitable for power in...

Page 19: ...s to the general disconnect isolator switch are designed for the number and type of wires listed in column 2 of the table on the next page The calculations are based on the maximum machine current see...

Page 20: ...01 2x240 1x185 260 XLPE 2x185 450 PVC 501 2x240 1x240 280 XLPE 2x240 480 PVC 551 2x240 1x240 250 XLPE 2x185 350 XLPE 651 2x240 2x240 1x150 1x150 260 XLPE 2x185 2x185 550 PVC 701 2x240 2x240 1 x 240 1...

Page 21: ...be protected against freeze by using a freeze protection solution by the installer For start ups with air temperature below 5 C the machine must be equipped with option 41A Evaporator water temperatu...

Page 22: ...upied mode 6 5 System minimum water volume Whichever the system the water loop minimum capacity is given by the formula Capacity Cap kW x N litres Application N Normal air conditioning 3 25 Process ty...

Page 23: ...ne month the complete circuit must be placed under nitrogen charge to avoid any risk of corrosion by differential aeration CAUTION Filling completing and draining the water circuit charge must be done...

Page 24: ...93 3 Relief valve 4 Available pressure water pump 5 Water drain valve 6 Flow switch for the evaporator 7 Evaporator 8 Evaporator heater for freeze protection option 41A 41B 9 Heater for freeze protect...

Page 25: ...ow mandatory Elbow mandatory Elbow mandatory For installation that requires thicker insulation it is advised to use a pipe reduction or an elbow to avoid the closest component When straight pipe is no...

Page 26: ...tected by an antifreeze solution and will not be used during freezing weather conditions draining of the cooler and outdoor piping is mandatory Damage due to freezing is not covered by the warranty 7...

Page 27: ...h unit controls its own water pump If there is only one common pump and in cases with variable flow isolation valves must be installed on each unit They will be activated at the opening and closing co...

Page 28: ...r flow is limited Low pressure pumps options 116T 116U High pressure pumps options 116R 116S Available static pressure kPa Available static pressure kPa Flow rate L s Flow rate L s 0 20 40 60 80 100 1...

Page 29: ...ity calculations Units with hydronic module enable direct monitoring of flow rate and cooling capacity through IHM refer to 30XAV ZE control manual Fluid pressure is measured by pressure sensors fitte...

Page 30: ...ns or to complement them follow the guidance programmes of EN 378 If they exist follow local professional recommendations Regularly inspect the condition of the coating paint to detect blistering resu...

Page 31: ...id line valve a filter drier two EXVs a plate heat exchanger as well as protection devices seal or valve At the condenser outlet a part of the liquid is expanded via the secondary EXV in one of the he...

Page 32: ...s 6 Nominal input frequency Hz 50 Nominal voltage V 400 Number of phases 3 Motor included in the application domain of the regulation 640 2009 amendment 4 2014 NO Sales leaflet for exemption Article 1...

Page 33: ...quency drive that allows adjustment the capacity of the compressor by varying the speed of the motor within the frequency range of 27 5 60 Hz Variable speed is produced by generating a controlled volt...

Page 34: ...water column evaporator side typically high buildings 401 901 Reversed evaporator water connections 107 Evaporator with reversed water inlet outlet Easy installation on sites with specific requirement...

Page 35: ...901 EMC classification C2 as per EN 61800 3 282 Additional RFI filters on the unit power line Reduces electromagnetic interferences Increase the variable frequency drive VFD immunity level according...

Page 36: ...ion change Removal or dismantling of the HVAC unit Any intervention due to a missed established mainte nance operation Any intervention covered by the warranty 11 STANDARD MAINTENANCE To ensure optima...

Page 37: ...t be applied during an intervention that requires the removal of the power conductors connected to the compressor supply terminals 1 Application torque for tightening the clamp 2 Avoid contact between...

Page 38: ...ng the pressure at the filter service port and the oil pressure port The difference in these two pressures will be the pressure drop across the filter check valve and solenoid valve The pressure drop...

Page 39: ...s been sized and installed properly Unit ground wire has been connected Electrical circuit protection has been sized and installed properly All terminals are tight All cables and thermistors have been...

Page 40: ...il corrective measures have been taken Check evaporator water loop Water loop volume litres Calculated volume litres 3 25 liters nominal kW capacity for air conditioning 6 5 liters nominal kW capacity...

Page 41: ...he temperatures and pressures have stabilised record the following Evaporator entering water Evaporator leaving water Ambient temperature Circuit A suction pressure Circuit B suction pressure Circuit...

Page 42: ...42...

Page 43: ...43...

Page 44: ...com www certiflash com Order No 10159 07 2016 Supersedes order No New Manufacturer Carrier SCS Montluel France Manufacturer reserves the right to change any product specifications without notice Prin...

Reviews: