FRITERM FDH Installation, Operation And Maintenance Manual Download | Manualshive

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45

Rev. Tarihi:25.05.2016 Rev.No:9 Dok. No: KLV.004.ENG

E111

8500

2800

-

2300

2350

1275

1305

1255

1375

8

4

E211

8500

2800

-

2300

2350

1275

1305

1255

1375

8

4

E121

9700

3200

-

2300

2350

1275

1305

1255

1375

8

4

E221

9700

3200

-

2300

2350

1275

1305

1255

1375

8

4

E131

10900

3600

-

2300

2350

1275

1305

1255

1375

8

4

E231

10900

3600

-

2300

2350

1275

1305

1255

1375

8

4

E331

10900

3600

-

2300

2350

1275

1305

1255

1375

8

4

E241

12100

-

2000

2300

2350

1275

1305

1255

1375

14

7

E341

12100

-

2000

2300

2350

1275

1305

1255

1375

14

7

E111

9900

2800

1400

2300

2350

1275

1305

1255

1375

10

5

E211

9900

2800

1400

2300

2350

1275

1305

1255

1375

10

5

E121

11300

3200

1600

2300

2350

1275

1305

1255

1375

10

5

E221

11300

3200

1600

2300

2350

1275

1305

1255

1375

10

5

E131

12700

3600

1800

2300

2350

1275

1305

1255

1375

10

5

E231

12700

3600

1800

2300

2350

1275

1305

1255

1375

10

5

E331

12700

3600

1800

2300

2350

1275

1305

1255

1375

10

5

E111

11300

2800

-

2300

2350

1275

1305

1255

1375

10

5

E211

11300

2800

-

2300

2350

1275

1305

1255

1375

10

5

E121

12900

3200

-

2300

2350

1275

1305

1255

1375

10

5

E221

12900

3200

-

2300

2350

1275

1305

1255

1375

10

5

E

C

G

mm

mm

mm

Ø800

Ø910

Ø800

Ø910

1"

70

795

480

1540

1580

740

780

1 1/4"

80

795

480

1540

1580

740

780

1 1/2"

85

795

480

1540

1580

740

780

2"

95

795

480

1540

1580

740

780

2 1/2"

110

795

480

1540

1580

740

780

3"

125

795

480

1540

1580

740

780

4"

150

795

480

1540

1580

740

780

5"

200

895

600

1760

1800

860

900

K

8

0

/9

1

1

6

8

0

/9

1

1

7

8

0

/9

1

1

8

H

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Summary of Contents for FDH

Page 1: ... com INSTALLATION OPERATION AND INSTALLATION OPERATION AND INSTALLATION OPERATION AND INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS MAINTENANCE INSTRUCTIONS MAINTENANCE INSTRUCTIONS MAINTENANCE INSTRUCTIONS Dry Coolers ...

Page 2: ...thermal 9 2 4 4 Hazardous refrigerant 10 2 5 Environmental protection 11 3 LABELLING 11 3 1 Product code 11 3 2 Type plate 11 3 3 Friterm Logo 12 4 TECHNICAL DATA 12 4 1 Standards 12 4 2 Product 12 4 3 Fans 13 4 3 1 Fan connection diagrams 14 4 4 Control Systems 16 4 4 1 Thermostat Dixell XC650C Keyboard 16 4 4 2 Icons 17 4 4 3 Parameters 18 4 4 4 Tables of Alarms 21 4 4 5 Wiring Connection 22 4 4...

Page 3: ...4 Several FDH units 33 6 2 5 Requirements at the set up point FDW units 33 6 2 6 Several FDW units 34 6 2 7 Requirements at the set up point FDV units 34 6 2 8 Side by side setup FDV units 35 6 3 Mounting 35 6 3 1 Ideal mounting scheme 38 6 3 2 Leg mounting 38 6 4 Electrical Connection 51 7 OPERATION 52 7 1 Initial commissioning 52 7 2 Regular commissioning 52 7 3 Shutting down 53 7 4 Step control...

Page 4: ... document is a prerequisite for safety of the staff and for the products to be operated in a fault free and safe manner The operating manual must always be available All persons who are responsible for the transport assembly initial commissioning operating maintenance or repair of the component must be acquainted with the operating manual The operator should accept in written form that they are ac...

Page 5: ...he safety instructions and all other information stated in this manual should be considered The national regulations regarding the protection of environment and labor safety should be strictly followed besides the instructions for safe and correct operation In case of any problem encountered during the installation FRITERM A Ş should be informed and asked for technical assistance if necessary Emer...

Page 6: ...disregarding the instructions given in this manual is the responsibility of the operator Any defect damage malfunction caused by the misuse of the product is the responsibility of the operator The product should not be put in operation without the completion of the installation and commissioning The personnel who is responsible for the operation servicing maintenance of the product should be provi...

Page 7: ...ns and materials used in order to repair the product will be out of manufacturer s warranty The warranty shall not cover equipment and or its accessories if they have been modified by the client without manufacturer s written consent The warranty clause can only be invoked by the client if the equipment is used normally and in conformity with its purpose and manufacturer s instructions The manufac...

Page 8: ...t the relevant positions in the operating manual if there is danger such as death personal injury and environmental damage These safety warnings must be strictly adhered to Indicates a hazardous situation which if not avoided may result in death or serious injury Indicates a hazardous situation which if not avoided may result in serious injury Indicates a hazardous situation which if not avoided m...

Page 9: ...h off the power Switch off the main Please ask assistance from an authorized technician or expert Please do not try to resolve any problem by trial and error While working on and standing by the product protective clothing must be worn Protective gloves for fitting and repair work resistant clothing and protective gloves for cleaning work especially when Safety goggles for cleaning work especially...

Page 10: ... Injuries Fire Risk Rev No 9 Dok No KLV 004 ENG Protective Clothing Hand Protection Respiratory Protection No Smoking Flammable High Voltage Hot Surfaces Hand Injuries Poisoning Danger Fire Risk Frostbite Hazard 7 Rev No 9 Dok No KLV 004 ENG Hand Protection Flammable Hot Surfaces Poisoning Danger Frostbite Hazard ...

Page 11: ...maintained by authorized qualified personnel only In case of using any other fluid and additives specified on the label water Ethylene Glycol propylene Glycol Brandname thermal fluids may cause damage leakage danger and environmental pollution No modification is allowed on the product without written permission from the manufacturer Operational conditions are limited within the specified range by ...

Page 12: ...004 ENG Danger of injuries in improper using 2 4 1 Hazardous rotating machinery Danger of cutting hands and fingers Lids should be unscrewed by an authorized technician Use hand protection oltage can cause serious injuries or death Do not contact with voltage direct or indirect Do not forget to power off the unit before you begin maintenance work Some of the components of the unit such as fin and ...

Page 13: ...r if there is insufficient frost protection if the unit cannot be drained completely frostbite hazard occurs after Fluid Glycol ğinden dolayı etilen glikol her zaman ateşten uzak tutulmalıdır No smoking suitable fire fighting equipment is used in order to prevent ignition while working with fire or sparks Due to the hazardous effect on human skin and nerve system please avoid direct contact of ski...

Page 14: ...d the ground water system All relevant national regulations concerning environmental protection and the technical issues for safe and proper working must be complied 3 LABELLING 3 1 Product code 3 2 Type plate Type FDH 2E 8012E121 3 SD 6p Fan speed Δ Y 890 690 rpm Serial Nr Total Power Δ Y 3 6 2 3kW TS min max 40 110 C Power Supply 400 V AC 3Ph 50 Hz Dry Weight 409 kg Max Opr Pr 16 Bar Internal Vo...

Page 15: ...s responsible for that the inherent installation and security information are harmonized with the valid standards and guidelines DIN EN 292 294 4 2 Product The basic principle is to transfer the return water load in the system to air by the aid of a heat exchanger including fans Its working principle is that the air sucked by fans cools the fluid within the tube while it passing through the fins T...

Page 16: ... motors are suitable for speed control applications up to 100 All motors have feature internal thermal protection Standard wiring of all motors are for one speed Working temperature for exterior mounting is between 40 ºC and 50 ºC 70 ºC Fans are designed with assuming fans working Fans run in a housing designed to maximize air flow Recommended starting for motors is 6 starts per hour maximum start...

Page 17: ... Rev Tarihi 25 05 2016 Rev No 9 Dok No KLV 004 ENG 4 3 1 Fan connection diagrams EBM 400V Fan Connection Diagram Only specified section in bold lines are scope of supply Wiring of Safety Switch and Motor ...

Page 18: ...15 Rev Tarihi 25 05 2016 Rev No 9 Dok No KLV 004 ENG Z ABEGG 400V Fan Connection Diagrams Only specified section in bold lines are scope of supply Wiring of Safety Switch and Motor ...

Page 19: ...rowses the parameter codes or increases the displayed value With Hot key inserted it starts the Hot key programming procedure UP TO enter the Alarm menu it browses the parameter codes or decreases the displayed value Manual restart of loads By holding it pressed for 3s it switches on again loads previous locked by a safety digital input alarm CLOCK To display the loads running hours By holding it ...

Page 20: ... 2Hz o Load 2 in maintenance status 2Hz ON Load 3 on Flashing Load 3 is waiting to start 1HZ Or digital input alarm for Load 3 2Hz o Load 3 in maintenance status 2Hz ON Load 4 on Flashing Load 4 is waiting to start 1HZ Or digital input alarm for Load 4 2Hz o Load 4 in maintenance status 2Hz ON Load 5 on Flashing Load 5 is waiting to start 1HZ Or digital input alarm for Load 5 2Hz o Load 5 in maint...

Page 21: ... Pc1 20 20 20 20 Pr2 Power of compressor 1 0 255 Pc2 20 20 20 20 Pr2 Power of compressor 2 0 255 Pc3 20 20 20 20 Pr2 Power of compressor 3 0 255 Pc4 20 20 20 20 Pr2 Power of compressor 4 0 255 Pc5 20 20 20 20 Pr2 Power of compressor 5 0 255 FtYP 404 404 404 404 Pr2 Freon Type r22 404 507 134 717 rtY db db db db Pr2 Type of regulation db Pb CH cL cL cL cL Pr2 Type of action cL Ht StY yES yES yES yE...

Page 22: ...splaying bar C PSI F rES dE in dE in Pr2 Resolution for C and bar in dE dSP2 P1 P1 P1 P1 Pr2 Default visualization of lower display nu P1 P2 SEt1 SEt2 dEU2 PrS PrS PrS PrS Pr2 Lower display probe format PrS tPr rELP rEL rEL rEL rEL Pr2 Pressure displaying rEL AbS Pbd 4 8 0 5 7 Pr2 Proportional band or neutral zone width 10 0 bar 30 0 C 80 PSI 50 F Esc 0 0 0 0 Pr2 Energy saving value for compressor...

Page 23: ...er set for fans PA04 HSE HSF 60 140 27 8 404 Pr2 Higher set for fans LSE PA20 Pao 30 30 30 30 Pr2 Alarm probe exclusion at power on 0 255 min LAL 15 0 30 1 5 21 Pr1 Low pressure temperature alarm compressor section 0 30 0 bar 100 0 C 430 PSI 200 F HAL 20 0 40 2 5 46 Pr1 High pressure temperature alarm compressor section 0 30 0 bar 100 0 C 430 PSI 200 F tAo 15 15 15 15 Pr1 Low and High pressure tem...

Page 24: ...OWN key for 3s or b turn off and on the instrument Compressors and fans restart working according to the working algorithm P1 P1 probe failure alarm Probe failure or out of range The compressors are activated according to the SPr or PoPr parameters Automatically as soon as the probe restarts working P2 P2 probe failure alarm Probe failure or out of range The fans are activated according to the FPr...

Page 25: ...or temperature reaches the Set_C HAL differential value differential 0 3 bar or 1 C HA2 Maximum pressure temperature alarm fans section Condensing pressure or temperature higher than SET_F HAL signaling only Automatically as soon as the pressure or temperature reaches the Set_F HAL differential value differential 0 3 bar or 1 C A5 Liquid level alarm Input enabled signaling only Automatically as so...

Page 26: ... 5 FAN 2 FAN Y 2 FAN Y 1FAN Y 5 FAN ECOMESH OR LIQUID SPREY 6 FAN 2 FAN Y 2 FAN Y 2 FAN Y 6 FAN ECOMESH OR LIQUID SPREY 7 FAN 3 FAN Y 2 FAN Y 2 FAN Y 7 FAN ECOMESH OR LIQUID SPREY 8 FAN 4 FAN Y 2 FAN Y 2 FAN Y 8 FAN ECOMESH OR LIQUID SPREY 10 FAN 4 FAN Y 2 FAN Y 4 FAN Y 10 FAN ECOMESH OR LIQUID SPREY 12 FAN 4 FAN Y 4 FAN Y 4 FAN Y 12 FAN ECOMESH OR LIQUID SPREY 14 FAN 4 FAN Y 4 FAN Y 6 FAN Y 14 FA...

Page 27: ...24 Rev Tarihi 25 05 2016 Rev No 9 Dok No KLV 004 ENG 4 4 7 Power Circuit Wiring ...

Page 28: ...25 Rev Tarihi 25 05 2016 Rev No 9 Dok No KLV 004 ENG 4 4 8 Control Wiring ...

Page 29: ...e sound power levels LwA by using following formula according to EN 13487 Surrounding Surface Method Sp parallel piped surface at 10 m Sr surface reference 1m2 Sound pressure levels given show the average values on a parallelpiped surface at 10 m distance from the unit in open air over a reflecting plain 4 6 Sound power level ...

Page 30: ...amage must be reported immediately to the shipping company If it is to be expected that the transport damage may affect proper operation then the product must not be commissioned Upon receipt the product should be visually inspected and in case of any damage or shortage the supplier should be notified within 7 days 5 2 Transport The product may only be lifted and moved by persons who 1 Are authori...

Page 31: ...any possible mechanical risk Never stand or work under suspended loads Wear appropriate protective clothing helmet safety gloves safety shoes During lifting a suitable lifting tool like a forklift or a crane is to be operated as in the drawings below When lifting the product with hauling hooks it is necessary to use a lifting beam connected to the hooks Product is mounted with wooden beams at the ...

Page 32: ...sive care should be taken and suitable gloves should be used Be careful not to damage the product by the forks of the forklift In order not to scratch the product place a separator material cardboard plywood isolation material etc Vibration absorber stand mounting detail is given as follows The absorber should be fixed to the floor with suitable size bolts ...

Page 33: ...should be switched ON for minimum four hours per a month to remove moisture that may have condensed within the motors Pay attention to the instructions on visual signs and labels for safety transport and handling of packaged product Avoid exposure to extreme heat and cold Damage caused by improper storage Incorrect or improper storage may cause damage to the radiator or radiator components 6 INSTA...

Page 34: ...t should be fixed to a stable base The working fluid the maximum working pressure and the voltage declared by the producer should be proper for the working environment area should be well ventilated and should not be contained any hazardous Air motion should not be adversely affected by obstructions and inlet air should not be undesirably heated or cooled by some other product bolts and or flanges...

Page 35: ...acilitate suction from the bottom raising chassis with a high of half the dry cooler or higher extended legs must be used 700 1200 mm K W 2 Condition Fans with ventilation channel 450 Condition Fans with Friterm Streamer Fans without Friterm Streamer 32 Rev No 9 Dok No KLV 004 ENG prevention accessories must the bottom raising chassis with a high of half width of Condition Fans with ventilation ch...

Page 36: ...ing into account the top level of units double of width of the product Rev No 9 Dok No KLV 004 ENG 6 2 5 Requirements at the set up point FDW units Z 2 x W value must be set by taking into account the top level of units Z must be equal to the double of width of the product 33 Rev No 9 Dok No KLV 004 ENG Z must be equal to the ...

Page 37: ...6 2 6 Several FDW units 6 2 7 Requirements at the set up point F Rev No 9 Dok No KLV 004 ENG K M E 2 C n 1 Flow Area K x 2 irements at the set up point FDV units E 100 mm n Number of dry cooler 34 Rev No 9 Dok No KLV 004 ENG ...

Page 38: ...ovided by users in their plants during mounting against to any should not be faced with any obstacle because of any restriction Additional pressure should not be created by fans or motors which are located next to the Installation and electrical connection must be performed by only qualified personnel while unpacking and installing products in order not to cause any damage to the All the legs of t...

Page 39: ...04 ENG Piping should be fixed and supported at a distance of 1 5 m from the unit connection After the first supporting point the entire piping should be fixed at each 3 m The flanged connection to the dry cooler should be made at perfect facing position Unless a flexible vibration absorber intermediate connector should be used 36 Rev No 9 Dok No KLV 004 ENG Piping should be fixed and supported at ...

Page 40: ...rical supply connection exists during installation product should be in accordance with its design The connections used for mounting should be adequate to support the total operational forces mounted in such a way that no vibration would be carried to the product vibration dampers can be used if required Carrier legs and lifting lugs are delivered as mounted on product must not be done before moun...

Page 41: ...with lifting eyes The product is delivered with lifting eyes mounted on it While mounting the product number of legs that must be used depending on current fan counts is specified in the table given below Same leg counts can be used for products with two row fans FDH FDV 2E 21 22 28 Fan Count Physical Characteristic of Coil FDH Leg Count FDV Leg Count Ø800 Ø910 FDH FDV 2E 11 All Type 4 2 12 D111 D...

Page 42: ... D231 D331 6 3 D241 341 251 351 8 4 14 D111 D211 D121 D221 D131 D231 D331 6 3 D241 341 251 351 10 5 15 D111 D211 D121 D221 D131 D231 D331 8 4 D241 341 251 351 12 6 16 D111 D211 D121 D221 D131 D231 D331 8 4 D241 341 14 7 17 D111 211 8 4 D121 D221 D131 D231 D331 10 5 18 All Type 10 5 ...

Page 43: ... 2016 Rev No 9 Dok No KLV 004 ENG Montaj ayağı detayı Mounting leg detail Ø800 Ø910 15 Ø800 Ø910 16 Ø800 Ø910 17 Ø800 Ø910 18 FDH 2E 1 Sıra Fanlı 1 Row Fan TEKNİK ÇİZİM Ø800 Ø910 11 Ø800 Ø910 12 Ø800 Ø910 13 Ø800 Ø910 14 ...

Page 44: ...41 Rev Tarihi 25 05 2016 Rev No 9 Dok No KLV 004 ENG Ø800 Ø910 25 Ø800 Ø910 26 Ø800 Ø910 27 Ø800 Ø910 28 FDH 2E 2 Sıra Fanlı 2 Row Fans TEKNİK ÇİZİM Ø800 Ø910 21 Ø800 Ø910 22 Ø800 Ø910 23 Ø800 Ø910 24 ...

Page 45: ...Rev Tarihi 25 05 2016 Rev No 9 Dok No KLV 004 ENG Ø800 Ø910 16 Ø800 Ø910 17 Ø800 Ø910 18 FDV 2E 1 Sıra Fanlı 1 Row Fan TEKNİK ÇİZİM DRAWING Ø800 Ø910 11 Ø800 Ø910 12 Ø800 Ø910 13 Ø800 Ø910 14 Ø800 Ø910 15 ...

Page 46: ...Rev Tarihi 25 05 2016 Rev No 9 Dok No KLV 004 ENG Ø800 Ø910 26 Ø800 Ø910 27 Ø800 Ø910 28 FDV 2E 2 Sıra Fanlı 2 Row Fans TEKNİK ÇİZİM DRAWING Ø800 Ø910 22 Ø800 Ø910 23 Ø800 Ø910 24 Ø800 Ø910 25 Ø800 Ø910 21 ...

Page 47: ... 8 4 E251 6700 2200 2300 2350 1275 1305 1255 1375 8 4 E351 6700 2200 2300 2350 1275 1305 1255 1375 8 4 E111 5700 2800 2300 2350 1275 1305 1255 1375 6 3 E211 5700 2800 2300 2350 1275 1305 1255 1375 6 3 E121 6500 3200 2300 2350 1275 1305 1255 1375 6 3 E221 6500 3200 2300 2350 1275 1305 1255 1375 6 3 E131 7300 3600 2300 2350 1275 1305 1255 1375 6 3 E231 7300 3600 2300 2350 1275 1305 1255 1375 6 3 E33...

Page 48: ...E121 11300 3200 1600 2300 2350 1275 1305 1255 1375 10 5 E221 11300 3200 1600 2300 2350 1275 1305 1255 1375 10 5 E131 12700 3600 1800 2300 2350 1275 1305 1255 1375 10 5 E231 12700 3600 1800 2300 2350 1275 1305 1255 1375 10 5 E331 12700 3600 1800 2300 2350 1275 1305 1255 1375 10 5 E111 11300 2800 2300 2350 1275 1305 1255 1375 10 5 E211 11300 2800 2300 2350 1275 1305 1255 1375 10 5 E121 12900 3200 23...

Page 49: ... 2300 2350 1275 2295 2245 2365 6 3 E352 4500 2200 2450 2500 1275 2450 2400 2520 6 3 E111 4300 2800 1400 2300 2350 1275 2295 2245 2365 6 3 E112 4300 2800 1400 2450 2500 1275 2450 2400 2520 6 3 E211 4300 2800 1400 2300 2350 1275 2295 2245 2365 6 3 E212 4300 2800 1400 2450 2500 1275 2450 2400 2520 6 3 E121 4900 3200 1600 2300 2350 1275 2295 2245 2365 6 3 E122 4900 3200 1600 2450 2500 1275 2450 2400 2...

Page 50: ... 3600 2300 2350 1275 2295 2245 2365 8 4 E232 10900 3600 2450 2500 1275 2450 2400 2520 8 4 E331 10900 3600 2300 2350 1275 2295 2245 2365 8 4 E332 10900 3600 2450 2500 1275 2450 2400 2520 8 4 E241 12100 2000 2300 2350 1275 2295 2245 2365 14 7 E242 12100 2000 2450 2500 1275 2450 2400 2520 14 7 E341 12100 2000 2300 2350 1275 2295 2245 2365 14 7 E342 12100 2000 2450 2500 1275 2450 2400 2520 14 7 E111 9...

Page 51: ... 6 Fans FDW 1 Sıra 7 Fan 1 Row 7 Fans FDW 1 Sıra 8 Fan 1 Row 8 Fans FDW 1 Sıra 9 Fan 1 Row 9 Fans FDW 1 Sıra 10 Fan 1 Row 10 Fans FDW 1 Sıra 4 Fan 1 Row 4 Fans FDW 1 Sıra 5 Fan 1 Row 5 Fans FDW 1 Sıra 2 Fan 1 Row 2 Fans FDW 2E TEKNİK ÇİZİM DRAWING FDW 1 Sıra 3 Fan 1 Row 3 Fans ...

Page 52: ... 7 Fans FDW 2 Sıra 8 Fan 2 Row 8 Fans FDW 2 Sıra 9 Fan 2 Row 9 Fans FDW 2 Sıra 10 Fan 2 Row 10 Fans FDW 2E TEKNİK ÇİZİM DRAWING FDW 2 Sıra 2 Fan 2 Row 2 Fans FDW 2 Sıra 3 Fan 2 Row 3 Fans FDW 2 Sıra 4 Fan 2 Row 4 Fans FDW 2 Sıra 5 Fan 2 Row 5 Fans FDW 2 Sıra 6 Fan 2 Row 6 Fans ...

Page 53: ...0 7330 2290 2330 2165 1 120 1185 2110 1580 1650 E311 7200 2400 7330 2290 2330 2165 1 1 4 130 1185 2110 1580 1650 E112 7200 2400 7330 2710 2750 2590 1 1 2 135 1185 2110 1580 1650 E212 7200 2400 7330 2710 2750 2590 2 145 1185 2110 1580 1650 E312 7200 2400 7330 2710 2750 2590 2 1 2 160 1185 2110 1580 1650 3 175 1185 2110 1580 1650 E111 8400 2400 3600 8530 2290 2330 2165 4 200 1185 1540 1580 1650 E211...

Page 54: ... protection with minimum IP54 class boxes Risk of injury by electric shock When connecting the electronic control to the power supply injuries by electric shock are possible because of the voltage supply All electrical connections on the product must be made by a qualified electrician in accordance with the electrical engineering rules The main power switch should be turned off unless needed befor...

Page 55: ...connection are done properly internal wiring is kept away from the fans and the fans can rotate freely Make sure that all the mechanical connections are done in accordance with the rules Piping is consistent with the guidelines Before the start up you may run the fans individually to make sure that they are running properly Turn on the fluid valves and let the fluid flow right before running the f...

Page 56: ...ed and the supplier must be informed in case of any unusual working condition such as abnormal operating noise Intensive vibrations due to out of balance running of the fans may lead to outage Maintenance must not be performed while the product is in use See part 8 for details As it is not possible to evacuate fluid fully antifreeze must be added to product for safety See part 8 for details Recomm...

Page 57: ...he maintenance and service DIN EN 50110 The fluid circulation must be stopped and it must be ensured that no electrical supply connection exists during maintenance It is advisable to wait till the product comes to thermal balance with its surroundings if possible Freezing Protection Since it is not possible to drain all of liquid from the system dry coolers have freezing threaten Therefore fluid m...

Page 58: ...ation is not necessary within this period and when this period expires or the bearings are damaged it is necessary to replace the bearings with original parts If the fans are to be maintained the instruction manual prepared by the fan manufacturer must be followed Please contact manufacturer when needed After maintenance is performed ensure that no tools or other foreign materials are left in or n...

Page 59: ...s is to spray pressurized air This action should be conducted after stoppig the fans and turning off the fluid supply valves The air jet should be provided to be parallel to the fins for the best cleaning results Fins could also be cleaned up by pressurized water jet The water jet should be provided to be pararllel to the fins for best result This action should be conducted after stoppig the fans ...

Page 60: ...running properly Repair or change fans Polluted coils Clean Different brine working pressure Adjust brine pressurising values to reference values Fan blade stuck Enable fan to rotate freely Power supply cut off Fix power supply Fan blades defect Modify or change fan blades Parts of carrying refrigerant tools are leaking Turn off the fans and prevent leakage 57 Rev No 9 Dok No KLV 004 ENG Treatment...

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