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Rittal SK 3378.200, Assembly And Operating Instructions Manual

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Rittal SK 3378.200 Assembly And Operating Instructions Manual Download Page 28

13 Appendix

EN

28

Rittal air/water heat exchanger

Fig. 27:

3378.280

C

able entr

y

Air inlet

Air inlet

Air outlet

Air outlet

Cut-out for busbars

Inlet ¾"

Int

ernal thr

ead

Inlet ¾"

Int

ernal thr

ead

Outlet ¾"

Int

ernal thr

ead

Outlet ¾"

Int

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ead

Summary of Contents for SK 3378.200

Page 1: ...Air water heat exchangers Assembly and operating instructions SK 3378 200 SK 3378 280 ...

Page 2: ...ploi peut être téléchargée depuis le site www rittal fr Opmerking De montage installatie en gebruikshandlei ding is ook te downloaden via www rittal nl Obs Montage installations och bruksanvisning en kan även laddas ner på www rittal se Nota Las instrucciones de montaje instalación y puesta en marcha también están disponibles para su descarga en www rittal es Nota Le istruzioni di montaggio instal...

Page 3: ... must be connected to the mains via an all pin isolating device to overvoltage catego ry III IEC 61 058 1 The air water heat exchanger is not de energised until all of the voltage sources have been disconnected Switch off the power supply to the air water heat exchanger before opening the electrical connection box and before working on the water circuit and take suitable precautions against it bei...

Page 4: ... Connecting the water connection 10 4 4 1 Notes on water quality 11 4 4 2 Preparation and maintenance of the water in recooling systems 11 4 5 Routing busbars 11 4 6 Electrical connection 12 4 6 1 Notes on electrical installation 12 4 6 2 Install the power supply 13 5 Commissioning 13 6 Operation 14 6 1 Properties 14 6 2 Launching test mode 14 6 3 General programming information 14 6 4 Eco mode 15...

Page 5: ...observe the following general safety notes when assembling and operating the unit Assembly installation and servicing may only be per formed by properly trained specialists Only use the air water heat exchanger within the pre scribed water inlet and operating temperature range Use antifreeze agents only with the manufacturer s consent Do not obstruct the air inlet and air outlet of the air wa ter ...

Page 6: ...ng units or fan and filter units cannot be used for system reasons to effectively and economically dissipate heat loss The air water heat exchanger is integrated into a TS 8 frame and can be incorporated flexibly into a TS 8 baying system to either side or between two TS 8 enclosures see section 4 3 2 Mounting options 3 2 1 How it works The air water heat exchanger comprises three main components ...

Page 7: ...tic valve imme diately stops the cooling water supply the floating change over contact activated and the fan switched off The warning A08 appears on the display 3 2 7 Door limit switch The air water heat exchanger may be operated with a door limit switch connected The door limit switch is not included with the supply available as an accessory Model No 4127 010 The door limit switch function causes...

Page 8: ...ow from active components such as converters This may lead to an air short circuit and therefore pre vent adequate climate control or may even cause the air water heat exchanger s internal safety devices to cease cooling operation Exercise particular caution with the airflow from the blowers of built in electronic components fig 3 Never site the air water heat exchanger directly adja cent to the m...

Page 9: ...for SK 3378 200 or 8108 235 for SK 3378 280 Baying in the middle of an enclosure suite Fig 6 Baying in the middle of an enclosure suite In case of installation within an enclosure suite it is not necessary to seal the air water heat exchanger to the left or right Baying between two TS 8 enclosures Fig 7 Baying between two TS 8 enclosures If the air water heat exchanger is placed between two TS 8 e...

Page 10: ... Connecting the water connection The water hoses may optionally be connected to the top or bottom of the device internal thread First remove the sealing caps using an SW 22 open jawed spanner Fig 9 Removing the sealing caps at the top Key 1 Water inlet top 2 Open jawed spanner 3 Water outlet top Fig 10 Removing the sealing caps at the bottom Key 1 Water inlet bottom 2 Water outlet bottom The cooli...

Page 11: ... sludge deposits and micro biological contamination may occur 4 4 2 Preparation and maintenance of the water in recooling systems Depending on the type of installation to be cooled cer tain requirements are placed on the cooling water with respect to purity According to the level of contamination and the size and design of the recooling systems a suit able process is used to prepare and or maintai...

Page 12: ...vervoltage protection Measures must be taken by the operator at the supply end to ensure effective lightning and overvoltage pro tection The mains voltage must not exceed a toler ance of 10 In accordance with IEC 61 000 3 11 the unit is in tended solely for use at sites with a continuous cur rent carrying capacity incoming mains power supply of more than 100 A per phase and with a supply volt age ...

Page 13: ...circuit diagram behind the open door of the air water heat exchanger complete the electrical installation Fig 15 Opened cover Key 1 Cover 2 Board at the rear Close the electrical connection box with the cover When connecting the air water heat exchanger to NFPA 70 NEC Use only copper conductors to connect the electricity supply line If you would like system messages from the air water heat exchang...

Page 14: ...er heat exchanger commences cooling operation independently of the set temperature or door limit switch function Simultaneously press buttons 2 C and 3 Set fig 16 for at least 5 seconds The air water heat exchanger starts running After approximately 5 minutes or upon reaching 15 C test mode will end The unit switches off and changes to normal operation 6 3 General programming information Using but...

Page 15: ...h is activated in the delivered state The eco mode is used to save energy in the heat ex changer if there is no thermal load or there is a low ther mal load in the enclosure e g standby operation no production or weekend During this process the heat exchanger fan in the internal circuit is switched off as ap propriate if the actual enclosure internal temperature drops to 10 K below the setpoint te...

Page 16: ...ontrol by starting and stopping the internal fan 1 the magnet ic valve then remains permanently open To use this control mode the Eco parameter must be changed from 1 on to 0 off 3 Ad Master slave iden tifier 0 19 0 See section 6 9 Setting the master slave identifier 4 CF Change over C F 0 1 0 The temperature display can be switched from C 0 to F 1 The corresponding LED displays the current temper...

Page 17: ...it switch and master slave operation Key 1 Master air water heat exchanger 2 Slave air water heat exchanger 3 2 door enclosure with two door limit switches 4 Enclosure with door limit switch CMC RTT Master Adr 09 Adr 11 X1 X2 X2 X3 X3 X1 X2 X2 X2 X2 X2 X2 X3 X1 X2 X2 X3 X1 X2 X2 X2 X3 St St St Bu St Bu RTT Slave Adr 12 RTT Slave Adr 19 RTT Slave St Bu St Bu 3 2 1 X10 L1 L2 N PE 1 2 3 4 5 1 X10 X10...

Page 18: ...6 Operation EN 18 Rittal air water heat exchanger 6 7 Programming overview of e Comfort controller Fig 20 Programming overview of e Comfort controller 5 sec 5 sec ...

Page 19: ... the master and the oth ers as slaves For this purpose assign a correspond ing identifier address to each air water heat exchanger which will enable the air water heat exchanger to be identified in the network If one of the slave units reaches the set temperature or if the door limit switch function is activated the affected slave unit will report to the master unit which then deac tivates all the...

Page 20: ...01 Enclosure door open Door open or door limit switch in correctly positioned Close door position door limit switch correctly check connection if necessary A02 Internal temperature of en closure too high Cooling capacity inadequate unit undersized Check cooling capacity A08 Condensate warning Condensate discharge kinked or blocked Check condensate drainage correct any kinks or blockages in the hos...

Page 21: ...e and disposal During storage the air water heat exchanger must stand upright Disposal can be performed at the Rittal plant Please contact us for advice During storage and transportation below freezing point the air water heat exchanger should be drained Open the inlet and return on the top of the device Open the drain valve fig 1 item 12 Open the magnetic valve by simultaneously pressing keys 2 C...

Page 22: ... dB A 60 Cooling output Cooling medium Water see section 11 Hydrological data Water connection internal thread Useful cooling output kW L35 W10 2000 l h 9 5 Air throughput of fans unimpeded air flow m h 975 per fan Water inlet temperature C 7 30 Permissible operating pressure p max bar 1 6 Operating temperature C 5 70 Setting range C 20 55 Electrical specifications Electrical connection Wiring on ...

Page 23: ...0 Controller board 55 Display 71 Temperature sensor 73 Leak detection 3235 440 Control unit for EC fan optional accessory 55 33 73 10 10 32 71 3235 440 40 Note As well as the spare part number when or dering spare parts the following information must be provided Unit model Fabrication number Date of manufacture This information may be found on the rating plate ...

Page 24: ...tial such as seawater can still be tolerated Hydrological data Unit Limits pH value 7 8 5 Calcium hardness dH 3 8 Free carbonic acid mg dm 8 15 Corresponding carbonic acid mg dm 8 15 Aggressive carbonic acid mg dm free Sulphides mg dm free Oxygen mg dm 10 Chloride ions mg dm 50 Sulphate ions mg dm 250 Nitrates and nitrites mg dm 10 COD mg dm 7 Ammonia mg dm 5 Iron mg dm 0 2 Manganese mg dm 0 2 Con...

Page 25: ... into the recooling system and the customer s own pipeline system respectively Fig 24 Parallel connection of 4 air water heat exchangers Key 1 Recooling system 2 Air water heat exchanger 3 Overflow valve bypass function with closed magnetic valve in the air water heat exchanger 4 Flow regulator valve for volumetric flow control for air water heat exchangers 5 Non return valve optional 6 Magnetic v...

Page 26: ... 26 Rittal air water heat exchanger 13 Appendix 13 1 Characteristic curves 13 1 1 Water resistance Fig 25 Water resistance Key ΔP Water resistance bar V Volumetric flow l min 0 0 5 1 P 1 5 2 2 5 0 10 20 30 V 40 50 60 ...

Page 27: ... exchanger 27 13 Appendix EN 13 2 Drawings Fig 26 3378 200 Cable entry Air inlet Air inlet Air outlet Air outlet Cut out for busbars Inlet Internal thread Inlet Internal thread Outlet Internal thread Outlet Internal thread ...

Page 28: ... 28 Rittal air water heat exchanger Fig 27 3378 280 Cable entry Air inlet Air inlet Air outlet Air outlet Cut out for busbars Inlet Internal thread Inlet Internal thread Outlet Internal thread Outlet Internal thread ...

Page 29: ...Rittal air water heat exchanger 29 13 Appendix EN Fig 28 Template Make cut outs on both side panels ...

Page 30: ...K2 Sammelstörung 2 Relay K2 collective fault 2 Relais K2 d indication groupée des défauts 2 Y1 Magnetventil Magnetic valve Électrovanne M1 Innenlüfter 1 Internal fan 1 Ventilateur intérieur 1 M2 Innenlüfter 2 Internal fan 2 Ventilateur intérieur 2 S1 Türendschalter Door operated switch Interrupteur de porte Ohne Türendschalter Klemme 1 2 offen Without door operated switch terminal 1 2 open Borne 1...

Page 31: ...Rittal air water heat exchanger 31 14 Declaration of conformity EN 14 Declaration of conformity Fig 30 Declaration of conformity ...

Page 32: ...s Power Distribution Climate Control IT Infrastructure Software Services You can find the contact details of all Rittal companies throughout the world here www rittal com contact 1st edition 03 2016 ID no 330 285 ...

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