Stulz CyberAir Mini CW Original Instructions Manual Download Page 73

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air side connection

11.3.8 Free cooling - FCP (Free Cooling Plenum)

The FCP is an option for downflow units.
It is possible to mix outside air with return air via
a damper on the back of the FCP.
You receive the FCP as an assembled unit, as
shown opposite.
The FCP must be placed on the A/C unit, fas

tened with screws and electrically connected.

See installation description on the next page.

Rear view

Side view, left

Rear view

Top view

Cabinet size

Weight

Summary of Contents for CyberAir Mini CW

Page 1: ...CyberAir Mini CW Original instructions Precision Air Conditioning Units 400V 50Hz 3Ph N PE Index G23 Issue 6 2021...

Page 2: ...g technology business spe cialising in A C for data centres and telecommunications installations STULZ has ten production plants 2 in Germany Italy the USA Great Britain Spain 2 in China Brazil and In...

Page 3: ...energy efficient and noise optimized unit series for small to medium heat loads These modern and maintenance friendly units require only a small footprint and can be easily installed in existing rooms...

Page 5: ...mance data CCU CW 14 4 4 Dimensional drawings 15 5 Installation 18 5 1 Selection ofthe installation site 18 5 2 Positioning the unit 20 5 3 Opening the A C unit 21 5 4 Water piping connection 22 5 4 1...

Page 6: ...ation notice esd note risk of damaging electronical components 1 2 Safety instructions These operating instructions contain basic information which is to be complied with for installation operation an...

Page 7: ...termination of emergency measures accidents malfunctions Creation of an abbreviated instruction and notification template page a A unit protocol must be kept b To be stored in the proximity ofthe unit...

Page 8: ...ceive the consignment papers with the delivery ofthe A C unit The shipment is made ex works in case of shipment damages please assert your claim towards the carrier 2 2 Transport danger Mortal danger...

Page 9: ...installation the following measures 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...

Page 10: ...ariant ofyourA C unit and can be found on the rating plate The rating plate is located in the door in front ofthe electric box internal part no Order number alternative Serial no Unit type Page code E...

Page 11: ...er by means of a 0 10V signal At the air inlet a temperature and humidity sensor is installed The setpoints can be set at the controller To control the supply airtemperature the controller adjusts the...

Page 12: ...pen dent ofthe supplyvoltage and can be found in this manual Requirements for electric network and UPS systems the output voltage ofthe electric network or UPS sys tem must be grounded neutral wye the...

Page 13: ...0 7 5 Chloride content mg l 100 Chloride content with austenitic steels mg l 50 Free chlorine mg l 0 05 Hydrogen sulphide mg l 0 05 Ammonia NH3 NH4 mg l 0 05 Sulphate mg l 100 Manganese mg l 0 05 Iro...

Page 14: ...gr e 2 Wege DN20 DN25 DN32 Wasserinhalt W rmetauscher dm 5 9 12 14 Schalldruckpegel dBA 46 53 55 58 Baugr e 1 2 3 4 Leergewicht kg 139 169 204 237 EN 06 2021 G23 STULZ GmbH all rights reserved minispa...

Page 18: ...als may not have access to the installation site ofthe A C unit check that the installation site is appropriate forthe unit weight which you can read in the technical data take into account the necess...

Page 19: ...19 min 0 5 m STULZ GmbH all rights reserved EN 06 2021 G23 minispace cw original instructions Air intake area for Downflow units Air outlet area for Upflow units without duct connection...

Page 20: ...ear safety boots safety gloves and helmet Mounting aids Pallet height Transport with a fork lift transport the A C unit on the pallet as close as possible to the installation site unscrewtransport loc...

Page 21: ...l pins and can be removed without auxiliary equipment To remove this panel first open the door using the male triangularwrench provided Open the doorwide and secure it against swinging shut again This...

Page 22: ...ystem and the A C unit take the position ofthe connections out ofthese drawings to conduct the lines to the unit notice Water remaining from the test run may escape when the protective caps are remove...

Page 23: ...piping notice the labels on the pipe ends Route the external chilled water lines through the raised floor into the A C unit All dimensions in mm Water connections Chilled water line DN 20 Male thread...

Page 24: ...e piping notice the labels on the pipe ends Route the external chilled water lines through the raised floor into the A C unit All dimensions in mm Water connections Chilled water line DN 25 Male threa...

Page 25: ...piping notice the labels on the pipe ends Route the external chilled water lines through the raised floor into the A C unit All dimensions in mm Water connections Chilled water line DN 32 Male thread...

Page 26: ...piping notice the labels on the pipe ends Route the external chilled water lines through the raised floor into the A C unit All dimensions in mm Water connections Chilled water line DN 32 Male thread...

Page 27: ...o connect the piping notice the labels on the pipe ends Route the external chilled water lines through the left side panel into the A C unit All dimensions in mm Water connections Chilled water line D...

Page 28: ...To connect the piping notice the labels on the pipe ends Route the external chilled water lines through the left side panel into the A C unit All dimensions in mm Water connections Chilled water line...

Page 29: ...o connect the piping notice the labels on the pipe ends Route the external chilled water lines through the left side panel into the A C unit All dimensions in mm Water connections Chilled water line D...

Page 30: ...o connect the piping notice the labels on the pipe ends Route the external chilled water lines through the left side panel into the A C unit All dimensions in mm Water connections Chilled water line D...

Page 31: ...the syphon is 22 mm In upflow units the condensate connection is designed in the form of a plastic hose nozzle with an external diameter of 22 mm information Complywith the regulations ofthe local wat...

Page 32: ...ction 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 Otherwise a t...

Page 33: ...unit shall be connected to other Stulz units bythe pLAN bus to a BMS or contains opional exten sions as dampers you must route control lines and connect them in the electric box ofthe A C unit route...

Page 35: ...0 until 25 2 C 45 until 30 8 C 50 until 37 6 C Propylene glycol Water or outside airtemperature 25 until 10 7 C 30 until 14 0 C 35 until 17 6 C 40 until 21 5 C 45 until 26 0 C 50 until 32 4 C 6 1 Fill...

Page 36: ...ll the chilled water circuit by means ofthe filling connections see hydraulic diagram part ofthe unit documents bleed airfrom the chilled water circuit by means ofthe schradervalves for bleeding Elect...

Page 37: ...ing the Start Stop key on the Touch display caution Risk of injury by fan rotation The front door and the lower panel represent a protective device During operation the front door panel and the rear p...

Page 38: ...unit at the controller and at the master switch display a DO NOT SWITCH ON warning sign switch off power conducting cables to the unit and secure them against being switched on again check to ensure...

Page 39: ...via the controller is released The controller can be configured such as to compensate the pressure loss by a higherfan speed howeveryou should not wait too long for exchanging the filter In upflow uni...

Page 40: ...ea ofthe fan The outlet area is in the raised floorfor downflow units and above the unit for upflow units caution Fracture or loss of limbs The running fan can suck in and draw in loose clothing Befor...

Page 41: ...on time of 30 days Unit interior Clean pipes simplifythe search for leaks clean the unit s inside with a vacuum cleaner Vibrations of pipes and circuit components can result in leaks check the pipes f...

Page 42: ...The tolerance to the average value adjustable in the control ler has been exceeded 1 Big difference of measured val ues in selected zone Check room on Hotspots or chilled air zones moist zones Check m...

Page 43: ...he de energized network caution If glycol or similar additives had been used this liquid has to be collected and disposed in an appropriate manner and may under no circumstances be introduced in the l...

Page 44: ...tives and EC safety standards listed below In the case of a modification ofthe equipment not co ordinated with us this declaration loses its validity Air conditioning unit 10 Contents of the CE Declar...

Page 45: ...werthan the actual output the inlet valve is closed until the desired capacity is achieved by lowering ofthe water level evaporation process Level monitoring A sensor provided in the steam cylinder co...

Page 46: ...0Hz 4 0 3 0 4 6 3 8 5 7 4 7 8 0 6 0 9 1 7 5 11 4 9 4 15 0 11 25 17 1 14 1 21 4 17 6 A reverse osmosis plant ROP can be used to soften water The waterfrom the ROP has a low conductivity and must be mix...

Page 47: ...or steam cylinder F1 Fuse control board 2 A time lag F2 Q2 Automatic fuse control voltage F3 Q3 MCB humidifier H1 Red LED Error H2 Yellow LED Service Warning H3 Green LED Steam production JP1 Jumper b...

Page 48: ...the control unit ECCM S is not activated Fault No 4 steam cylinder maintenance due 72 hours afterthe warning an error is triggered and the unit is switched off red LED lights However the error switch...

Page 49: ...valve 5 Outlet valve 6 Drain connector 30 mm 7 Water supply connector G 3 4 notice We recommend the installation of an Aqua stop valve in the water supply ofthe humidifier In addition to this the room...

Page 50: ...a pressure reducing valve set to 4 6 bar In each case it is to be ensured that the manufactured water pipe upstream ofthe connection to the humidifier is flushed properly We recommend only using copp...

Page 51: ...ifthe cylinder maintenance is due orthe maintenance indication is not reset afterthe maintenance in info mode LED blinks in intervals if a malfunction with status warning is present The number of blin...

Page 52: ...um steam capacity 1 Briefly press the drain info key The heating voltage is interrupted and the drain valve opens The yellow LED blinks Note the drain valve closes after 10 minutes automatically 2 To...

Page 53: ...for a short time orwhether it can resolve the problem bytaking necessary measures Red LED Error blinks intermittently The control unit after several attempts fails to solve the problem number of atte...

Page 54: ...inthewatersupplypipe clean water inlet filter check water pressure inspect replace inlet valve Inspect steam installation Clean replace drain valve notice Ifthe Jumper L is removed from the ECCM S con...

Page 55: ...set to an invalid position Set rotary switch on control unit ECCM S to the position forthe corresponding steam cylinder type see chapter 11 1 1 3 11 1 4 5 Replacement of fine wire fuse on the control...

Page 56: ...enance GH Gesamth rte DT Duret totale TH Total hardness Service intervals for steam cylinder depending on steam production in hours Life time range Time hours You find a detailed description ofthe mai...

Page 57: ...cted in accordance with the electric diagram It is controlled and monitored by the controller Set the values for switching on and off on the controller Referto the operating instructions ofthe control...

Page 58: ...the left side with a male thread connect the pipelines to an external hot water circuit Commissioning No measures are required for commissioning Malfunction causes Alarm Reheat failure A heating alarm...

Page 59: ...size 11 3 Air side connection 11 3 1 Unit base The unit base is available in the versions open with damper with flexible connection orwith supply grilles The unit base can be installed in two ways wi...

Page 60: ...2021 STULZ GmbH all rights reserved air side connection Unit base with damper Unit base with flexible connection Unit base with grilles The standard grilles are equipped with horizontal fins which ca...

Page 61: ...With this option for upflow units the front panels are not provided with an air inlet perforation as otherwise usual The air is drawn in from the bottom in consequence there is no unit bottom plate T...

Page 62: ...5 421 5 421 5 A B C D E H EN 06 2021 STULZ GmbH all rights reserved air side connection 11 3 3 Plenum Discharge plenum with front and side grilles The plenum has three air inlet outlet openings that...

Page 63: ...3 879 1075 STULZ GmbH all rights reserved EN 06 2021 air side connection The A C unit features a closed unit bottom and a grille in the lower section ofthe front Air discharge zone keep clear 11 3 4 A...

Page 64: ...on unit top The adapter plate serves to attach an air duct on top ofthe unit Attach the adapter plate to the unit with the self tapping screws provided Open the front door If it is a downflow unit pu...

Page 65: ...on the adapter plate with the enclosed screw connections so that the actuator is on the left and the orange housing is facing backwards Route the cable as shown on the following page Attach the adapt...

Page 66: ...d lies rolled up on the filter element Provide opening 1 with a rubber grommet from the accessory pack Place the assembly of adapter plate and damper on the A C unit and leave a free space on the side...

Page 67: ...tor rotates slowly the running time from fully open to fully closed is 150 seconds The torque ofthe actuator is 20 Nm Due to the geometry ofthe blades a force of 660 N is generated during closing when...

Page 68: ...led openings to seal the adapter plate Damper Connect the enclosed cable at the actuator according to the enclosed manufacturer s instructions Place the damper so that the protruding axis on which the...

Page 69: ...shows the adapter plate with the outlines ofthe damperframe indicated by a dashed line A section through a downflow unit is projected onto it on which you can see the position ofthe supply lines in th...

Page 70: ...The picture shows the adapter plate with the outlines ofthe damperframe indicated by a dashed line A section through a downflow unit is projected onto it on which you can see the position ofthe supply...

Page 71: ...he picture shows the adapter plate with the outlines ofthe damperframe indicated by a dashed line A section through a downflow unit is projected onto it on which you can see the position ofthe supply...

Page 72: ...The picture shows the adapter plate with the outlines ofthe damperframe indicated by a dashed line A section through a downflow unit is projected onto it on which you can see the position ofthe supply...

Page 73: ...Plenum The FCP is an option for downflow units It is possible to mix outside airwith return airvia a damper on the back ofthe FCP You receive the FCP as an assembled unit as shown opposite The FCP mus...

Page 74: ...d routed on the left side wall and lies rolled up on the filter element Place the FCP on the A C unit Push the FCP into the mounting rail from the front Lift the FCP at the front by 150 200 mm and pla...

Page 75: ...raised floor stand 11 4 Raised floor stand The floor stand is used to adjust the height ofthe A C unit to the existing raised floor and consists of an encir cling rectangular profile of galvanized ste...

Page 76: ...0 mm longerthan the raised floor stand dimensions Close the joint with a continuous seal The raised floor cutting notch should at least be 15 and must not have any contact to the raised floor stand wh...

Page 77: ...ircumstances diagonally use mounting aids to bring in the unit and secure these byfixing belts at the A C unit lay at least two securing instruments e g square steel bars on the stand to avoid a slip...

Page 79: ...e set at the time relay preadjusted 10 seconds power supply 2 is switched onto the unit The unit starts bythe automatic restart which is integrated in the controller When the voltage of power supply r...

Page 80: ...limit values and the phase imbalance within the adjusted tolerance the A C unit is restarted automatically Forthis the parameter Phase restart must be set to 1 in the controller When a limit value is...

Page 81: ...delta voltage must be set Example Network 3 400V PE setting 400V Network 3 480V PE setting 480V Ifthere is a neutral conductor the phase to neutral voltage must be set Example Network 3 400V N PE sett...

Page 83: ...it is equipped with a damper a timer in the E box ensures the delayed start ofthe fans afterthe damper is opened The assignment ofthe outputs can be set customer specifically and is documented in the...

Page 85: ...m contact is triggered at a water level of 40 mm inside the pump tank The pump motor is protected by a thermal fuse At a temper ature of 130 C the motor is switched off and automatically switched on a...

Page 86: ...circuit breaker according to the standard IEC 345 For a power supply out ofthe A C unit you can use the option M99209 Power supplyfor condensate pump Connect the lines ofthe alarm contact black grey...

Page 87: ...ing and humidification in air conditioning units The operation is controlled by a float switch depending on the level An alarm contact is triggered when the water level inside the pump tank is too hig...

Page 88: ...l is too high the contact is opened and an alarm is triggered The drain pipe must have an internal diameter of 10 mm Connect a flexible plastic hose at the water outlet ofthe pump Considerthe performa...

Page 89: ......

Page 90: ...0 32 32 Fax 64 9 360 21 80 sales stulz co nz singapore STULZ Singapore Pte Ltd Tel 65 6749 2738 Fax 65 6749 2750 andrew peh stulz sg South Africa STULZ South Africa Pty Ltd Tel 27 0 11 397 2363 Fax 27...

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