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Rittal air/water heat exchanger assembly instructions

33

EN

13 Appendix 2: Application example 

Parallel connection of 4 air/water heat exchangers

Example:

 Parallel connection of 4 air/water heat 

exchangers with cold water supply via a recooling 
system. 
Overflow valves and bypass control should be 
integrated into the recooling system and the 
customer’s own pipeline system respectively. 

Fig. 42:

Parallel connection of 4 air/water heat exchangers

1

5

6

2

2

2

2

3

4

4

4

4

Recooling system
Air/water heat exchanger
Overflow valve

 

3301

900

910

920

 

(bypass function with closed magnetic valve of the air/water heat exchanger)
Flow regulator valve 

3301

930

940

 

(to regulate the volume flow in air/water heat exchangers)
Non-return valve (optional)
Magnetic valve (optional)

1
2
3

4

5
6

13 Appendix 2: Application example

Содержание 3363 Series

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Страница 2: ...qualisation 11 4 6 5 Installing the power supply 11 5 Commissioning 13 6 Operation 13 6 1 Control using the Basic controller 13 6 1 1 Display and system analysis 13 6 1 2 Properties 13 6 1 3 General programming information 13 6 1 4 Operation of the Basic controller 13 6 1 5 Setting the temperature 13 6 1 6 Setting of system messages 14 6 1 7 Programming and control of the Basic controller 14 6 1 8...

Страница 3: ...t 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 frost damage Use antifreeze agents only with the manufacturer s consent Do not obstruct the air inlet and air outlet of the air water heat exchanger inside the enclosure see also secti...

Страница 4: ...on return valve 5 Fig 2 Air water heat exchanger The heat loss of the enclosure is dissipated in a membrane heat exchanger to the water coolant A fan 2 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 magnetic valve 3 controls the cooling output by changing the water flow vol...

Страница 5: ...ion 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 condensation inside the enclosure while the enclosure door is open The fan will start up after about 15 seconds on closure of the door The connection is made at ter minals 1 and 2 The ext...

Страница 6: ...sure Fig 3 Never direct the cold airflow at active components Exercise particular caution with the airflow from the blowers of built in electronic components see fig 3 Fig 4 Targeted air routing inside the enclosure Caution Risk of condensation When arranging the components inside the enclosure please ensure that the cold airflow from the air water heat exchanger is not directed at active componen...

Страница 7: ...ernal mounting Step 1 Stick sealing tape to all four edges at the rear of the device Fig 5 Stick sealing tape to all four edges Step 2 Insert the 4 spacers external thread into the mounting surface through the holes and secure from the inside of the enclosure using the relevant washers and nuts Fig 6 Insert the spacers through the holes and secure Step 3 Push the device over the spacers and secure...

Страница 8: ...ce Fig 10 Stick sealing tape to all four edges Step 2 Hold the 4 spacers internal thread in place on the inside of the enclosure and secure from the outside using the relevant washers and screws Fig 11 Secure the spacers Step 3 Push the device over the spacers and secure with the relevant washers and nuts Fig 12 Push the device over the spacers and screw fasten Step 4 Using the stoppers seal the 4...

Страница 9: ...cting water to the air water heat exchanger a 1 2 connector sleeve included with the supply In its delivered state a compression proof flexible cooling water hose Ø 12 mm 1 2 may be connected to the air water heat exchanger for both the inlet and the return 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 15 ...

Страница 10: ...e cooling water must be observed Water with high gypsum content is unsuitable for cooling purposes because it has a tendency to form boiler scale that is particularly difficult to remove The cooling water should be free from iron and manganese because otherwise deposits may occur that accumulate in the pipes and block them At best organic substances should only be present in small quantities becau...

Страница 11: ... Door limit switch e Comfort controller only Each door limit switch must only be assigned to one air water heat exchanger Several door limit switches may be connected in parallel and operated on one air water heat exchanger The minimum cross section of the connection cable is 0 3 mm2 for a cable length of 2 m We recommend the use of a shielded cable The line resistance to the door limit switch mus...

Страница 12: ...sed without water X1 Main terminal strip X2 Master slave connection X3 Serial interface optional T1 Transformer optional Y1 Magnetic valve Contact data K1 K2 e Comfort controller Tab 4 Contact data K1 K2 AC cos f 1 DC Res load I max 4 A U max 250 V I max 4 A I min 100 mA U max 200 V U min 10 V Note For technical data refer to the rating plate 2 NTC_I 2 NTC_E PE PE Power G1 L N Kx PE 1 2 3 3 2 1 D0...

Страница 13: ...lue Tables 6 and 7 on page 14 show the parameters which can be altered 6 1 4 Operation of the Basic controller The display terminal H1 consists of a 3 position 7 segment display which indicates the temperature in C as well as any system messages The current enclosure internal temperature is usually displayed permanently In the event of a system message this will alternate with the internal tempera...

Страница 14: ...etting Description 0 Ps No function 2 H5 Software version number Displays the current version number of the device software 3 AH Alarm maximum temperature AL 150 50 Maximum temperature alarm NOT in relation to the nominal value HI is displayed alternating with the internal temperature The HI alarm is displayed when the internal temperature AH The alarm stops when the internal temperature AH 2K 4 A...

Страница 15: ...nstalling the power supply page 11 K1 fault signal relay normally open contact change over contact Terminal 3 NC normally closed Terminal 4 C connection of the supply voltage to the fault signal relay Terminal 5 NO normally open The NC and NO definitions refer to the de energised state The switching position of the terminals chang es under mains voltage 6 1 10 Programming overview of Basic control...

Страница 16: ...ration the display shows both the temperature in degrees Celsius or Fahrenheit users may switch between the two and any error messages The current enclosure internal temperature is usually displayed permanently In the event of an error mes sage this alternates with the temperature display The unit is programmed using buttons 1 3 fig 21 The relevant parameters also appear in the display 6 2 2 Launc...

Страница 17: ...hes back to regular operation enclosure inter nal temperature You can also program the e Comfort controller using a diagnosis software package Model No 3159 100 the supply of which also includes a connection cable to the PC The cable connector on the rear of the e Comfort controller display serves as an interface 6 2 4 Eco mode All Rittal TopTherm heat exchangers with e Comfort controller from fir...

Страница 18: ...o use this control mode the Eco parameter must be changed from 1 on to 0 off 3 Ad Master slave identifier 0 19 0 See 6 2 9 Setting the master slave identifier page 21 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 temperature unit 5 H1 Setting for switching difference hysteresis 2 10 5 The air water heat exchanger is pr...

Страница 19: ...oor limit switch Alarms X2 Master slave connection Sub D 9 pole X3 Serial interface Sub D 9 pole St Sub D connector 9 pole Bu Sub D jack 9 pole Adr Address Fig 24 Connection example Door limit 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 Note The electrical...

Страница 20: ...20 Rittal air water heat exchanger assembly instructions 6 Operation EN 6 2 7 Programming overview of e Comfort controller Fig 25 Programming overview of e Comfort controller 5 sec 5 sec ...

Страница 21: ...e is not sent to the system message relays but merely appears in the display 1 System message is evaluated by relay 1 2 System message is evaluated by relay 2 3 System message is neither sent to the system message relay nor does it appear in the display setting can only be made using RiDiag soft ware 6 2 9 Setting the master slave identifier When several air water heat exchangers are con nected to...

Страница 22: ...o 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 10 Troubleshooting with the e 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 positioned Close door position door limit switch correct...

Страница 23: ...fan Fig 29 Remove the cover with fan Fig 30 Disconnect the connector from the display 8 Emptying storage 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 Emptying for units with Basic controller only During storage and transportation below freezing point the air water heat exchanger should be drai...

Страница 24: ...364 500 3364 504 Rated voltage Volt Hz 230 1 50 60 Rated current A 0 18 0 18 Pre fuse T A 4 0 Motor circuit breaker A Transformer circuit breaker A Miniature circuit breaker or gG slow fuse T 䡲 䡲 䡲 䡲 Total cooling power Pc to DIN 3168 L35 W10 400 l h kW 0 5 1 0 0 95 Power consumption Pel to DIN 3168 kW 0 037 0 038 Water connection 1 2 hose nozzle or G 3 8 external thread Air throughput per fan uni...

Страница 25: ...tting range C 20 55 Noise level dB A 50 Protection category to IEC 60 529 IP 55 Dimensions W x H x D mm 400 x 950 x 145 Weight kg 20 23 20 23 Unit Model No Basic controller RAL 7035 3374 100 3374 110 3374 140 3374 104 3374 114 3374 144 e Comfort controller RAL 7035 3374 500 3374 510 3374 540 3374 504 3374 514 3374 544 Rated voltage Volt Hz 230 1 50 60 115 1 50 60 400 2 50 60 230 1 50 60 115 1 50 6...

Страница 26: ...e T A 4 0 4 0 Motor circuit breaker A Transformer circuit breaker A 3 5 5 0 3 5 5 0 3 5 5 0 3 5 5 0 Miniature circuit breaker or gG slow fuse T 䡲 䡲 Total cooling power Pc to DIN 3168 L35 W10 400 l h kW 5 4 5 Power consumption Pel to DIN 3168 kW 0 17 0 17 0 18 0 18 0 17 0 17 0 18 0 18 Water connection 1 2 hose nozzle or G 3 8 external thread Air throughput of fans unimpeded air flow m3 h 1490 1660 ...

Страница 27: ...ature probe 73 Float actuated switch only for 33XX 5XX 75 Cover 91 Heat exchanger Fig 33 Spare parts for 3373 XXX 3374 XXX 3375 XXX 15 55 75 40 10 71 91 33 32 73 3363 XXX 3364 XXX Note As well as the spare part number when ordering spare parts the following information must be provided Unit model Fabrication number Date of manufacture This information may be found on the rating plate 15 55 40 91 3...

Страница 28: ...ium hardness dH 3 8 1 12 Free carbonic acid mg dm3 8 15 1 100 Corresponding carbonic acid mg dm3 8 15 free Aggressive carbonic acid mg dm3 free 0 400 Sulphides mg dm3 free free 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 free Manganese mg dm3 0 2 free Conductivity μS cm 2200 400...

Страница 29: ...0 P V 6P Water resistance mbar V Volumetric flow l h 150 300 600 900 100 0 0 200 300 400 450 750 500 P V 6P Water resistance mbar V Volumetric flow l h 200 400 800 1200 100 0 0 200 300 400 600 1000 500 P V 6p Water resistance mbar V Volumetric flow l h 100 0 0 200 200 400 600 800 1000 1200 300 400 500 P V 6P Water resistance mbar V Volumetric flow l h 200 300 500 700 100 0 100 200 300 400 400 600 ...

Страница 30: ...ternal and internal mounting Fig 39 3363 XXX 3364 XXX 120 120 15 520 506 550 250 280 256 550 520 49 20 250 280 91 20 25 25 100 2 3 1 1 Mounting cut out for external mounting A Mounting cut out for internal mounting E A E Ø 6 5 4x for internal and external mounting Water connections 1 2 hose nozzle or G 3 8 external thread Condensate discharge 1 2 1 2 3 A E ...

Страница 31: ...00 255 32 5 950 920 15 145 145 264 5 325 330 5 Min 340 Max 375 11 35 35 100 2 3 1 1 950 920 250 250 400 49 20 5 15 91 40 1 1 Mounting cut out for external mounting A Mounting cut out for internal mounting E A E Ø 6 5 4x for internal and external mounting Water connections 1 2 hose nozzle or G 3 8 external thread Condensate discharge 1 2 1 2 3 A E ...

Страница 32: ... 5 15 20 33 5 50 450 470 350 450 420 420 350 1 1 49 91 40 350 450 350 1400 1365 20 5 15 20 1 1 455 455 455 Min 411 Max 446 11 Mounting cut out for external mounting A Mounting cut out for internal mounting E A E Ø 6 5 4x for internal and external mounting Water connections 1 2 hose nozzle or G 3 8 external thread Condensate discharge 1 2 1 2 3 A E ...

Страница 33: ...rated into the recooling system and the customer s own pipeline system respectively Fig 42 Parallel connection of 4 air water heat exchangers 1 5 6 2 2 2 2 3 4 4 4 4 Recooling system Air water heat exchanger Overflow valve 3301 900 910 920 bypass function with closed magnetic valve of the air water heat exchanger Flow regulator valve 3301 930 940 to regulate the volume flow in air water heat excha...

Страница 34: ...28 335 䡲 Enclosures 䡲 Power Distribution 䡲 Climate Control 䡲 IT Infrastructure 䡲 Software Services RITTAL GmbH Co KG Postfach 1662 D 35726 Herborn Phone 49 0 2772 505 0 Fax 49 0 2772 505 2319 E mail info rittal de www rittal com ...

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