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Stulz CyberCool, Original Instructions Manual

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 © STULZ GmbH – all rights reserved EN/09.2017/G44

cybercool indoor chiller original instructions

5.3 Connection of the piping

5.3.1 Refrigerant piping

To design the piping between the chiller and the condenser follow the instructions in chapter "2. Refrigerant 
piping" of document "General-DX". This document is available in the e-Stulz area.

5.3.1.2 Position of the refrigerant connections

5.3.1.1 Design

Discharge line

Liquid line

Connection diameter of refrigerant lines in mm

Unit rear side

top view

Pressure line 

liquid line

 

safety valve drain

Summary of Contents for CyberCool

Page 1: ...CyberCool Indoor Chiller Original instructions Precision Chillers 400 V 3 Ph N PE 50 Hz Index G44 Issue 9 2017...

Page 2: ...n of its air conditioning technology business spe cialising in A C for data centres and telecommunications installations STULZ has seven production plants Germany Italy the USA 2 in China Brazil and I...

Page 3: ...LZ CyberCool indoor chillers have three different systems to ensure that your chilled water supply can respond to demand Fully automonous with high availability in the vicinitywhere supplies are neede...

Page 4: ...ing system A 18 3 8 2 Cooling system G 19 3 8 3 Cooling system GE 20 4 Technical Data 21 4 1 Application limits 21 4 2 Technical Data CSI A G 23 4 3 Technical Data CSI GE 24 4 4 Dimensional drawings 2...

Page 5: ...cal box 43 7 Maintenance 46 7 1 Safety instructions 46 7 2 Maintenance intervals 46 7 3 Refrigerant circuit 47 7 4 Water circuit 49 7 5 Unit housing 49 8 Malfunction 50 9 Dismantling and disposal 53 1...

Page 6: ...issioning They must be permanently available at the place where the system is used danger Works have to be carried out by competent staff only Safety devices may not be bypassed 1 3 Handling refrigera...

Page 7: ...staff in case of repairs and repeated inspection must be ensured Repeated inspection according to EN 378 The operator is responsible forthe execution The operator must ensure that all maintenance ins...

Page 8: ...est 6 Gross weight 7 Net weight 8 Dimensions 9 Customer order number 10 Additional customer requirements notice When delivery is accepted check the unit against the delivery note for completeness and...

Page 9: ...have to be carried out to protect the unit from damage and corrosion the storage point must not be exposed to direct sunlight Observe the storage conditions in the chapter Application limits store th...

Page 10: ...ax de rempliss kg C I 1 S 22 A R410A EN 09 2017 G44 STULZ GmbH all rights reserved cybercool indoor chiller original instructions 3 Description 3 1 Type code The type code represents the unit variant...

Page 11: ...The chiller unit control is effected bythe on board I O controller The operational conception is designed such as to allowto control up to 19 units from one unit These units can be installed separate...

Page 12: ...uit is equipped with various safety devices to avoid malfunctions In the liquid line there is a filter drierto separate humidity and a sight glass to check the sufficient charge of refrigerant An oil...

Page 13: ...temperature sensor measures the flowwatertemperature at the unit outlet this temperature is decisive for the chiller control A pressure gauge installed in the unit indicates the flow pressure GE units...

Page 14: ...condensation pressure in the plate condenser a valve forfilling and draining and two deventilation valves In the DX and Mix mode the G valve controls the condensation pressure which is measured by a p...

Page 15: ...he bypass line and closed the flowthrough the heat exchanger forfree cooling FC valve free cooling valve Condenser Refrigerant circuit Heat exchangerfor free cooling GE valve FC valve The chilled wate...

Page 16: ...rectly cooled by the cooling medium circuit The G valve is completely closed The GE valve controls the waterflow through the GE heat exchanger The free cooling valve has completely closed the bypass a...

Page 17: ...ssure gauge Flow switch monitor Antifreeze thermostat 3 8 Circuit scheme Non return valve Filter drier Sight glass Rotalock stop valve with cap Pressure reliefvalve Schradervalve 3 way motorized valve...

Page 18: ...bH all rights reserved cybercool indoor chiller original instructions 3 8 1 Cooling system A Receiver Compressor Pump Evaporator Expansion tank Chilled water 2nd compressor onlyfor CSI 661 841 and 981...

Page 19: ...ghts reserved EN 09 2017 G44 cybercool indoor chiller original instructions 3 8 2 Cooling system G Compressor Pump Condenser Evaporator Expansion tank Cooling water Chilled water 2nd compressor onlyfo...

Page 20: ...ULZ GmbH all rights reserved cybercool indoor chiller original instructions 3 8 3 Cooling system GE Compressor Condenser Evaporator Expansion tank Pump Cooling medium Chilled water Liquid receiver Hea...

Page 21: ...circuit Nominal pressure bar PN 16 Voltage 400V 3ph N PE 50Hz Voltage tolerancy 10 not for permanent operation Frequencytolerancy 1 The following voltages are also available forthis unit series 460V...

Page 22: ...releases at bar manual reset possible at bar Safetyvalve releases at bar Setting of the pressure switches and safetyvalve Design conditions Electrical connection 400V 3ph N PE 50Hz Chilled water circ...

Page 23: ...7 28 8 45 4 54 9 65 4 Breite H he Tiefe mm 950 1980 890 Transportgewicht Ausf hrung A kg 281 351 450 466 556 Betriebsgewicht Ausf hrung A kg 285 357 457 476 571 Transportgewicht Ausf hrung G kg 296 3...

Page 24: ...1m Abstand DX dB A 54 5 59 6 Leistungsaufnahme DX Betrieb kW 6 4 12 6 17 7 22 4 26 1 Leistungsaufnahme FK Betrieb kW 0 7 1 4 1 5 2 0 2 4 Stromaufnahme max A 17 7 33 1 45 4 54 9 65 4 Breite H he Tiefe...

Page 25: ...rights reserved EN 09 2017 G44 cybercool indoor chiller original instructions 4 4 Dimensional drawings Cabinet size 1 A G Cabinet size 2 GE Side view for all sizes Main switch Projecting main switch...

Page 26: ...ce rooms or other rooms sensitive to noise danger Risk of explosion The unit may not be operated in an explosive atmosphere children unauthorized persons and animals may not have access to the install...

Page 27: ...ds Pallet height Transport with a fork lift transport the unit on the pallet as close as possible to the installation site keep at hand mounting aids at the left and right unit side lift the units wit...

Page 28: ...ings flush against the pallet and secure them against slipping push the unit on the scantlings bytwo persons put the mounting aids at the left and right unit side lift the support surface ofthe mounti...

Page 29: ...5 3 1 Refrigerant piping To design the piping between the chiller and the condenserfollowthe instructions in chapter 2 Refrigerant piping of document General DX This document is available in the e St...

Page 30: ...ter ring mains which contains at least one consumer Ifthe water quality is insufficient we recommend the additional installation of a fine mesh strainer If several consumers are connected these must b...

Page 31: ...e drawings stated below to conduct the lines to the unit introduce the chilled water lines from the bottom into the chiller The water connections are executed in the shape of a screw connection with a...

Page 32: ...nections screwthe lines ofthe external system to the lines ofthe unit respecting the designation at the unit inlet outlet insulate the water pipes with the diffusion tight insulating material to preve...

Page 33: ...ion Solderthe part with the external thread ofthe connection to the external pipes Connection diameter of the cooling medium lines in mm for GE version notice Water remaining from the test run may esc...

Page 34: ...the connection cable is de energized The electric cables are onlyto be connected by an authorized specialist notice Make sure that the phase rotation is correct the rotating field must turn right Oth...

Page 35: ...e route the electric cable into the electrical box from below and connect the PE conductor at the PE rail the neutral conductor at the neutral terminal and the three phases to the main switch in accor...

Page 36: ...opional extensions as louvers you must route control lines and connect them in the electric box ofthe chiller route the control lines in the unit as shown in the illustrations and fix them at the unit...

Page 37: ...Go to menu Components Manual oper Cooling Valves Change the parameter in the column EN line EEV 1 from 0 to 1 Set the parameter in the column Value ofthe same line to 100 C7000IOC Enterthe command ee...

Page 38: ...nt in the compressor before it runs Fill the majority ofthe charge in the high pressure side ofthe system to prevent bearing washout during first time start Start the compressor by pressing the I O bu...

Page 39: ...gets in the compressor and the compres sor is damaged Atoo low pre filling leads to the triggering ofthe LP switch and shut down ofthe compressor Continue the filling while the compressor is running...

Page 40: ...0 1 ml kg Glycol is absorbed through the skin Therefore immediately change clothing soaked with glycol Wear protective gloves made of rubber 6 2 Filling of the water circuit 6 2 1 Chilled water circu...

Page 41: ...to 4 years however extreme condi tions as impurities additives and overheating may drastically reduce the service life Version A G 1 Deventilation pipe at expansion tank 2 Deventilation at the pressu...

Page 42: ...cybercool indoor chiller original instructions Cooling medium circuit Deventilation valves 8 Filling drain valve c d Chilled water circuit Deventilation valves 1 7 Filling drain valves a b Position o...

Page 43: ...ofthe pump and the compressor close all doors ofthe chiller switch on the power supplyforthe chiller switch on the chiller at the master switch The controller is now supplied with power so you can us...

Page 44: ...00Advanced Terminal familiarize yourselfwith the operation ofthe C7000 con troller To do this there is a separate manual adjust the desired watertemperature at the controller Chiller without C7000Adva...

Page 45: ...d top up the circuit with refrigerant in regard ofthe chapter Maintenance Check the oil level at the compressor in respect ofthe right level The oil level must be between the lower quarter and the mid...

Page 46: ...Procedure instructions carry out work on the system onlywhen it is shut down switch offthe chiller at the controller and at the master switch display a DO NOT SWITCH ON warning sign switch off power...

Page 47: ...nitrogen change the filter drier cartridge evacuate the refrigerant circuit resp the closed off section by a vacuum pump fill the refrigerant circuit with the refrigerant named on the type plate An ov...

Page 48: ...During unit idleness the oil level should not be belowthe lower quarter bottom line and not rise above the upper line during operation Oil type Bitzer BVC32 factoryfilling Check the oil level at the o...

Page 49: ...fthe compres sor Ifthis difference exceeds 7 K the condenser is probably polluted In this case clean the condenser chemically 7 4 Water circuit 7 5 Unit housing Electrical box check the connection ter...

Page 50: ...or motor on voltage continuity and current consumption 2 feeding voltage too low Check alimentation under load Compressor failure The soft start module option orthe protection device has detected an e...

Page 51: ...water side eventually in combination with return water control Check heat transmission at the evap orator by checking the temperature difference between flowwatertemp and evaporation temperature 3 Co...

Page 52: ...has triggered and the number of allowed pump starts in the con text offrost protection manage ment has been exceeded Heat load by consumertoo low Determine the heat load ofthe consumer Water alarm The...

Page 53: ...ual oils but must be returned to the oil manufacturer Disconnect the depressurized refrigerant pipes from the external system version A caution If glycol or similar additives had been used this liquid...

Page 54: ...es and EC safety standards listed below In the case of a modification ofthe equipment not co ordinated with us this declaration loses its validity Chiller unit 10 Contents of the CE Declaration of Con...

Page 55: ...ing Raised floor stand X Y Opening in raised floor Z Limit of distance A concrete foundation is recommended in the area ofthe raised floor supports Ifthe floor stand is placed near a wall a minimum di...

Page 56: ...floorfinish Raised floor Raised floor stand Continuous seal Raised floor support Mafund plate Upper edge of rough floor Unit width General design of the raised foor stand when distance Z 100 mm when d...

Page 57: ...into the correct position above the floor stand from the front under no circumstances diagonally use mounting aids to bring in the unit and secure these byfixing belts at the unit lay at least two sec...

Page 58: ...t with low ambient tem peratures The power depends on the compressor size from 34 Wto 150 W Pressure gauge in the refrigerating circuit to indicate the suction pressure and orthe condensation pressure...

Page 59: ...circulating pump 3 barflowwater pressure connected in standby marked by 8 in the flow scheme Strainer delivered loose to be installed bythe customer Chilled water circuit forA G unit Water temperature...

Page 60: ...6 EN 09 2017 G44 STULZ GmbH all rights reserved cybercool indoor chiller original instructions Chilled water circuit for GE unit Forthe description of options 2 7 see precedent page Evaporator GE hea...

Page 61: ...sensor The 3 wayvalve controls the distribution ofthe waterflowthrough the condenser and the bypass 11 5 C7000 Advanced The chiller unit can be optionally equipped with a C7000 Advanced terminal In t...

Page 62: ...tas stulz com mx netherlands STULZ GROEP B V Tel 31 20 54 51 111 Fax 31 20 64 58 764 stulz stulz nl new zealand STULZ New Zealand Ltd Tel 64 9 360 32 32 Fax 64 9 360 21 80 sales stulz co nz poland STU...

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