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11 Further technical information

Rittal air/water heat exchanger assembly instructions

11.2 Characteristic curves

11.2.1 Water resistance

Fig. 33:

Water resistance SK 3209.100

Fig. 34:

Water resistance SK 3209.104

100

200

300

400

100

200

400

500

600

700

300

∆

P: water resistance [mbar]

V: volumetric flow [l/h]

100

200

300

400

100

200

300

400

∆

P: water resistance [mbar]

V: volumetric flow [l/h]

Содержание SK 3209. Series

Страница 1: ...tenance Montage en bedieningshandleiding Montage och hanteringsanvisning Istruzioni di montaggio e funzionamento Instrucciones de montaje Luft Wasser Wärmetauscher Air water heat exchangers Echangeurs thermiques air eau Lucht water warmtewisselaars Luft vatten värmeväxlare Scambiatori di calore aria acqua Intercambiadores de calor aire agua ...

Страница 2: ......

Страница 3: ...mit switch 12 4 6 4 Notes on the flicker standard 12 4 6 5 Potential equalisation 12 4 7 Carrying out the electrical installation 13 4 7 1 Bus connection only when interconnecting several units with a Comfort controller 13 4 7 2 Installing the power supply 15 4 8 Finalising assembly 17 4 8 1 Finalising air water heat exchangers assembly 17 5 Commissioning 17 6 Operation 18 6 1 Control using the Ba...

Страница 4: ...indicates that you should perform an action Safety and other instructions 2 Safety notes Please observe the following general safety instruc tions when assembling and operating the unit Assembly installation and servicing may only be performed by properly trained specialists The minimum water inlet temperature of 1 C must not be reduced at any point in the water cycle Otherwise there is danger of ...

Страница 5: ...er The heat loss of the enclosure is dissipated in a membrane heat exchanger to the water coolant A fan blows the internal enclosure air over the heat exchanger 1 except for the inlet and outlet water and the condensed water discharge the unit is closed to the environment The flow regulator 3 controls the cooling output by changing the water flow volume depending on the required housing temperatur...

Страница 6: ...may be operated with a door limit switch connected The door limit switch is not included with the supply available as an ac cessory Model No PS 4127 000 The door limit switch function causes the fan and the magnetic valve in the air water heat exchanger to be switched off after approximately 15 seconds when the enclosure door is opened contacts 1 and 2 closed This prevents the formation of condens...

Страница 7: ...e mains connection data as stated on the rating plate of the unit must be guaranteed 4 2 Assembly instructions 4 2 1 General Check the packaging carefully for signs of damage Packaging damage may be the cause of a subse quent functional failure The enclosure must be sealed on all sides IP 54 Increased condensation will occur if the enclosure is not airtight The air inlet and outlet must not be obs...

Страница 8: ...exhaust airflow from active components such as converters This may lead to an air short circuit and therefore prevent adequate climate control or may even cause the air water heat exchanger s internal safety devices to cease cooling operation Note When using an air duct system care must be taken to ensure that it is laid straight and without kinks wherever possible This mini mises the resistance t...

Страница 9: ...of plate Mount the air water heat exchanger on the enclosure roof Screw the supplied twin threaded bolts into the holes in the plastic base on the underside of the device Secure the unit using the supplied washers and nuts Fig 7 Roof plate reinforcement for the TS 8 enclosure Accessories for roof plate reinforcement with TS Punched rail U nut Fastening bracket Threaded block refer also to Accessor...

Страница 10: ...scharge to the side of the unit 4 5 Connecting the water connection A compression proof flexible condensate discharge hose Ø 1 2 for both the supply and the return can be fitted to the air water heat exchanger The cooling water hose must be laid without kinks must not have a reduced cross section if extended and if necessary must be insulated Fig 10 Connect the cooling water inlet top and return c...

Страница 11: ...ble standards and regulations 4 6 1 Connection data The connected voltage and frequency must corre spond to the values stated on the rating plate The air water heat exchanger must be connected to the mains via an all pin isolating device that ensures at least 3 mm contact opening when switched off No additional temperature control may be con nected upstream of the unit at the supply end Install th...

Страница 12: ...of the connector 4 6 4 Notes on the flicker standard The flicker limits specified in standard EN 61 000 3 3 or 3 11 are adhered to provided the supply impedance is less than approx 1 5 Ω Where necessary the unit operator should measure the connected impedance or consult the responsible power supply company If there is no way of influenc ing the supply impedance and sensitive installed components e...

Страница 13: ...re not laid in parallel to power lines Make sure that the lines are short Fig 12 Connection example Master slave operation Legend 1 Serial interface 2 Serial interface cable 3 Master slave bus cable Model No SK 3124 100 RTT Rittal TopTherm air water heat exchanger X1 Supply connection door limit switch alarms X2 Master slave connection Sub D 9 pole X3 Serial interface Sub D 9 pole St Sub D connect...

Страница 14: ... 2 Slave air water heat exchanger 3 2 door enclosure with two door limit switches 4 Enclosure with door limit switch X10 L1 L2 N PE 1 2 3 4 5 1 X10 X10 X10 X10 X10 X2 X2 X2 X2 X2 X2 X2 L1 PE 1 2 3 4 5 L1 L2 N PE 1 2 3 4 5 L2 L3 L1 PE 1 2 3 4 5 L2 L3 L1 PE 1 2 3 4 5 L2 L3 L1 PE 1 2 3 4 5 L2 L3 L1 L2 N PE 1 2 3 4 5 X10 2 3 4 5 6 1 Adr 06 Adr 11 Adr 12 Adr 13 Adr 14 Adr 15 2 2 2 2 2 3 4 4 3 2 Adr 16 ...

Страница 15: ...e 27 If you would like the system messages from the air water heat exchanger to be evaluated via the system message relay you should also connect a suitable low voltage cable to connection terminals 3 5 Fig 14 Electrical wiring plan no 1 Mains S1 A2 Power Term S2 Kx F2 PE A1 T1 C2 M4 M2 M1 X1 NTC E blue NTC I red 1 M M2 MV1 5 N L 1 S1 1 2 3 2 3 2 1 3 2 1 L1 5 4 N L2 PE 3 2 1 3 2 1 3 2 1 PE 8 2 B1 ...

Страница 16: ...imit switch without door limit switch terminal 1 2 open S2 Float switch closed without water T1 Transformer optional X1 Main terminal strip X2 Master slave connection X3 Optional interface Tab 2 Contact data T1 L2 L1 L N Mains S1 A2 Power Term S2 Kx F2 PE A1 M4 M2 M1 X1 NTC E blue NTC I red 5 N L 1 S1 3 2 1 2 3 2 1 3 2 1 L1 5 4 N L2 PE 3 2 1 3 2 1 3 2 1 4 2 B1 22 S 21 X2 X3 8 3 K2 K1 NTC C white N...

Страница 17: ...all the assembly and installation work is complete switch on the power supply and the water supply to the air water heat exchanger The air water heat exchanger starts running With Basic controller The green operating LED line is illuminated With Comfort controller The software version of the controller first appears for approx 2 seconds then the enclosure internal temperature appears in the 7 segm...

Страница 18: ...on Monitoring of all motors fans Visualisation of the operating status via LED display Voltage on unit operational Door open only if door limit switch installed Warning of overtemperature Switching hysteresis 5 K Floating system message contact in case of over temperature Temperature setting setting range 20 55 C via potentiometer Test function The air water heat exchanger operates automatical ly ...

Страница 19: ...the air water heat exchanger commences cooling operation independently of the set tempera ture or door limit switch function First you must dismantle the trim panel of the con troller Switch off the mains voltage Remove the louvred grille in which the controller is installed Release the display lock from behind and pull it forwards slightly Fig 18 Loosen the trim panel of the Basic controller Care...

Страница 20: ...tage variants are supported 115 V 230 V 400 V 2 phase Integral start up delay and door limit switch function Monitoring of all motors fans Master slave function with a maximum of ten units One unit functions as a master unit Once the set temperature is reached by one of the connected slave units or in the event of the door limit switch function the affected slave unit will report to the master uni...

Страница 21: ...anges have not been saved Press the programming buttons C or F to switch back and forth between the editable parameters see Tables 4 and 5 Press button 2 Set to select the displayed parameter for editing The current value of this parameter is displayed Press one of the programming buttons C or F The Cod display will appear In order to be able to change a value you must enter the authorisation code...

Страница 22: ...ains perma nently open You must obtain the manufacturer s consent before changing to control mode 1 3 Ad Master slave identifier 0 19 0 See 6 2 7 Setting the master slave identifier page 24 4 CF Temperature conversion C F 0 1 0 The temperature display can be switched from C 0 to F 1 The corresponding LED displays the current unit of temperature 5 H1 Setting for switching difference hysteresis 2 10...

Страница 23: ...6 Operation Rittal air water heat exchanger assembly instructions 23 EN 6 2 5 Programming overview Fig 20 Programming overview 5 sec 5 sec ...

Страница 24: ...errupted the relay drops out Program system messages with the value 0 System message is not sent to the system message relay but merely appears in the display 1 System message is evaluated by relay 1 2 System message is evaluated by relay 2 6 2 7 Setting the master slave identifier When several air water heat exchangers are con nected together maximum ten one of the air water heat exchangers must ...

Страница 25: ... heat exchanger no 5 16 Slave air water heat exchanger no 6 17 Slave air water heat exchanger no 7 18 Slave air water heat exchanger no 8 19 Slave air water heat exchanger no 9 Tab 6 Troubleshooting with the Comfort controller Master 02 Slave 11 Slave 12 Display screen System message Possible cause Measures to rectify the fault A01 Enclosure door open Door open or door limit switch incorrectly pos...

Страница 26: ...eat exchanger is consequently largely main tenance free If dirt is present in the cooling water a filter must be fitted Maintenance interval 2 000 operating hours Sequence of maintenance measures Check the level of dirt Cooling membranes soiled Clean if necessary Activate test mode cooling function OK Check the noise generation of the fan Fig 22 Disconnect the mains plug Fig 23 Release the louvred...

Страница 27: ...embly instructions 27 EN Fig 26 Disconnect the earthing cable Fig 27 Remove the assembly screws from the cover loosen four screws Fig 28 Remove the cover Fig 29 Air water heat exchanger without cover front view Fig 30 Air water heat exchanger without cover rear view ...

Страница 28: ...ed completely in the water supply direction us ing compressed air This requires that the magnetic valve be opened For the Basic controller keep the rubberised poten tiometer display 5 pressed for ten seconds for access to the potentiometer see also 6 1 3 For the Comfort controller this is achieved by simul taneously pressing the H2 C key and H4 set key keys for five seconds The magnetic valve is t...

Страница 29: ...50 60 115 1 50 60 400 2 50 60 230 1 50 60 115 1 50 60 400 2 50 60 Rated current A 0 40 0 48 0 85 0 95 0 25 0 30 0 44 0 50 0 90 1 0 0 25 0 30 Pre fuse T A 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 Motor circuit breaker Transformer circuit breaker Miniature circuit breaker Useful cooling output Qk L 35 W 10 to DIN 3168 W l h 2500 400 4000 400 Admissible pressure bar 1 to 10 Water inlet tempera...

Страница 30: ...0 30 0 44 0 50 0 90 1 0 0 25 0 30 Pre fuse T A 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 Motor circuit breaker Transformer circuit breaker Miniature circuit breaker Useful cooling output Qk L 35 W 10 to DIN 3168 W l h 1875 400 3000 400 Admissible pressure bar 1 to 10 Water inlet temperature C 1 to 30 Temperature setting range C 1 to 70 Noise level dB A 58 58 58 58 58 58 Type of connection Pl...

Страница 31: ...e complete 33 Non return valve 40 Controller board 45 Louvred grille 55 Display 71 Temperature sensor 73 Float actuated switch 75 Cover 91 Heat exchanger 95 Base tray 32 75 15 71 73 33 10 91 45 55 95 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 ra...

Страница 32: ...210 514 3210 544 pH value 7 8 5 6 9 Calcium hardness dH 3 8 1 2 Free carbonic acid mg dm3 8 15 1 100 Corresponding carbonic acid mg dm3 8 15 Zero Aggressive carbonic acid mg dm3 0 0 400 Sulphides mg dm3 Zero Zero Oxygen mg dm3 10 10 Chloride ions mg dm3 50 200 Sulphate ions mg dm3 250 500 Nitrates and nitrites mg dm3 10 100 COD mg dm3 7 40 Ammonia mg dm3 5 20 Iron mg dm3 0 2 Zero Manganese mg dm3 ...

Страница 33: ... 2 Characteristic curves 11 2 1 Water resistance Fig 33 Water resistance SK 3209 100 Fig 34 Water resistance SK 3209 104 100 200 300 400 100 200 400 500 600 700 300 0 0 P water resistance mbar V volumetric flow l h 100 200 300 400 100 200 300 400 0 0 P water resistance mbar V volumetric flow l h ...

Страница 34: ...her technical information EN Fig 35 Water resistance SK 3210 xx0 Fig 36 Water resistance SK 3210 xx4 400 600 1000 1200 100 200 300 400 0 0 P water resistance mbar V volumetric flow l h 100 200 300 400 100 200 300 400 0 0 P water resistance mbar V volumetric flow l h ...

Страница 35: ... sizes Rittal air water heat exchanger assembly instructions 35 EN 12 Appendix 1 Cut out and hole sizes 12 1 Dimensions for assembly Fig 37 SK 3209 xxx SK 3210 xxx assembly 490 597 390 420 475 597 380 Ø 100 4x 0 1 27 415 475 280 420 ...

Страница 36: ...e water The most common types of contamination and most frequently used techniques to eliminate them in in dustrial cooling are Tab 8 Water contaminants Contamination of the water Procedure Mechanical contamination Filter the water using Mesh filter Gravel filter Cartridge filter Precoated filter Excessive hardness Softening of the water via ion exchange Moderate content of mechanical contaminants...

Страница 37: ...Climate Control Climatisation Systeemklimatisering Systemklimatisering Soluzioni di climatizzazione Climatización de sistemas Schaltschrank Systeme Industrial Enclosures Coffrets et armoires électriques Kastsystemen Apparatskåpssystem Armadi per quadri di comando Sistemas de armarios Elektronik Aufbau Systeme Electronic Packaging Electronique Electronic Packaging Systems Electronic Packaging Conte...

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