Juwent WD-16 Instruction Manual Download Page 5

5

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1.  INTENDED USE

The  roof  fans  are  used  for  the  removal  of  air  from  production  halls,  warehouses,  commercial 

pavilions etc. They are intended for the use in special conditions where air contains toxic or highly 

caustic media.

The fans can also be used for the replacement of the fans operating earlier in the ventilation systems 

or using subassemblies as spare parts.

The air being removed by the fan should not have humidity greater than 90% and dust 

content above 5mg/m

3

. The temperature of the air being removed cannot be more than 

55

O

C.

Use of the fans in explosion-hazard atmosphere is not admissible.

The fans are suitable for operation with impeller vertical rotation axis, and the air is being removed 

in the vertical direction.

The fans are adapted for mounting on universal roof bases, damping roof bases.

2.  DEVICE DESCRIPTION

The series of the roof fans contains 5 sizes.

The fans include:

 

»

»  highly-efficient centrifugal steel impeller;

 

»

»  electric motor;

 

»

»  bearing plate, body and cover made of glass-fibre laminate.:

Impeller of the roof fan could be made of acidproof steel.

3.  DESIGNATIONS

Roof fan

WD-25 -TD900/1400 -K

Size

16, 20, 25, 31,5, 40

Motor type

three-phase two speed TD-[900/1400rpm for sizes 16; 20; 25; 31,5]

three-phase single speed T-[700 or  900rpm for size 40]

single-phase J-[900 or 1400rpm for sizes 16; 20; 25; 31,5]

single-phase J-[700 or 900rpm for size 40]

Acidproof version of fan impeller

Summary of Contents for WD-16

Page 1: ...3 56 09 POLAND I CONTACTS II ORIGINAL INSTRUCTION MANUAL III WARRANTY TERMS AND CONDITIONS IV UNIT STARTUP REPORT V INSPECTION AND MAINTENANCE DOCUMENT VI SERVICE NOTIFICATION VII LIST OF SUBASSEMBLIE...

Page 2: ...Szyma ski Nowakowski General Partnership 31 Lubelska Str 08 500 Ryki POLAND phone 48 81 883 56 00 fax 48 81 883 56 09 info juwent com pl www juwent com pl Export department mob 48 502 087 841 mob 48 6...

Page 3: ...3 www juwent com pl ROOF FANS WD size 16 to 40 II ORIGINAL INSTRUCTION MANUAL...

Page 4: ...ONS 5 5 TECHNICAL DATA 6 6 ADDITIONAL EQUIPMENT 7 7 TRANSPORT 10 8 SAFETY RECOMMENDATIONS 10 9 INSTALLATION 11 10 ELECTRICAL INSTALLATION 11 11 AUTOMATION ELEMENTS 14 12 DEVICE COMMISSIONING 15 13 REP...

Page 5: ...is not admissible The fans are suitable for operation with impeller vertical rotation axis and the air is being removed in the vertical direction The fans are adapted for mounting on universal roof ba...

Page 6: ...distance of 1m at the distance of 5m Three phase two speed motors WD 16 940 54 42 50 45 1400 63 51 59 54 WD 20 940 56 44 52 47 1400 65 53 61 56 WD 25 940 58 46 54 49 1400 67 55 63 59 WD 31 5 960 62 50...

Page 7: ...deration the directional factor Q 2 and at the distance of 1 and 5m from the fan Operating noise level in dB A acoustic pressure level at the air inlet side with taking into consideration the accommod...

Page 8: ...self closing damper TWD TWD PLUS silencer DW DW PLUS inlet diffuser Roof base PWD Typ B I Typ B II Typ B III Roof base size A mm d mm d1 mm nx 10 H mm L mm L1 mm H1 mm PWD 16 340 160 190 4 125 590 675...

Page 9: ...SWD 3 DW 3 KEO 3 WD 31 5 PU 4 PUT 4 PWDt 4 PM 4 SWD 4 DW 4 KEO 4 WD 40 PU 5 PUT 5 PWDt 5 PM 5 SWD 5 DW 5 KEO 5 F roof fan PWDt roof base PU roof base PUT noise damping roof base PM assembly plate c c...

Page 10: ...with polyethylene foil The fans should be transported on one level so as to prevent any mechanical damages 8 SAFETY RECOMMENDATIONS Roof fans should be used in accordance with the operation manual In...

Page 11: ...ucture and tightness of the roofing Connection ducts ate the fan suction side should have their own supports and mountings Roof fans mounted on silencers over the roof and ventilation ducts need to pe...

Page 12: ...e electric connnection diagram of WD16 TD WD20 TD WD25 TD WD31 5 TD fans with two speed three phase motors Y Y connection DESIGNATIONS FOR DIAGRAMS PT Motor overcurrent protection K Contactor PZ Contr...

Page 13: ...Contactor PZ Control button ON PW Control button OFF B BS Fuses WS Service switch Fig 3 Example electric connnection diagram of WD roof fans with single phase motors Fig 4 Example electric connnectio...

Page 14: ...e phase WD 16 J WD 20 J WD 25 J WD 31 5 J roof fans Electric connections diagrams of WD roof fans with or wihout TR speed controller are shown at fig 3 and 4 Before starting the fan control knob must...

Page 15: ...e starting current consumed by the motor If the current is lower than the rated current the fan can be considered fit for further use If any problems and disturbances arise during the commissioning sw...

Page 16: ...nections Contaminated or damaged impeller Remove impeller contaminations Report any impeller damages at JUWENT service depart ment Fan operates with excess noise knocks Plays on connections between fa...

Page 17: ...damages and aleatory damages or damages caused by the atmospheric factors b damages occurred as a result of non observance of typical rules or the rules required by the instruction manual related to...

Page 18: ...p name and signature Motor current A User s representative stamp name and signature Remarks V INSPECTION AND MAINTENANCE DOCUMENT Date of inspection Executor of inspection stamp name and signature Ser...

Page 19: ...y No Year of production Startup executed by Description of defect NOTE AFTER COPYING AND FILLING IN SEND THE NOTIFICATION BY FAX OR EMAIL TOGETHER WITH A COPY OF THE STARTUP REPORT JUWENT Company acce...

Page 20: ...IN THE UNIT No Name of subassembly 1 Impeller in standard version 2 Impeller in acidproof steel version 3 Three phase single speed fan motor 4 Three phase two speed fan motor 5 Single phase fan motor...

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