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HYDROO HDROO Series Operation Manual Download Page 8

14

15

Continued

Fault

Cause

Solution

Remarks

Pumped water does 

not flow constantly

a) Suction pipe is too small.

a) Enlarge inlet pipeline

b) There is not sufficient water 

in pump water inlet.

b) Improve system and 

increase coming water

c) Liquid level is Iow.

c) Try to lift liquid level.

d) Pump inlet pressure is too 

low compared with water 

temperature, pipeline loss 

and flow.

d) Improve system and 

try to increase the inlet 

pressure.

e) Suction pipe is partly 

blocked by impurities.

e) Check and clear 

impurities.

Pump runs but gives 

no water

a) Suction pipe is blocked by 

impurities.

a) Check and clean 

suction pipe.

b) Foot valve or check valve is 

closed.

b) Check and repair foot 

valve or check valve.

c) Leakage in suction pipe.

c) Check and repair 

suction pipe.

d) There is air in suction pipe 

or pump.

d) Refill liquid, 

release air.

Pump runs 

backwards when 

switched off

a) Leakage in suction pipe.

a) Check suction pipe

b) Foot valve or check valve is 

defective.

b) Check and repair foot 

valve or check valve.

c) Foot valve is blocked in 

opened or partly opened 

position.

c) Check and repair foot 

valve.

d) There is air in suction pipe.

d) Check and repair 

suction pipe and 

release air.

Fault

Cause

Solution

Remarks

Abnormal vibration

or noise from pump

a) Leakage in suction pipe.

a) Check and repair 

suction pipe

In the case of 

e)

, 

users shall not 

disassemble 

the pump by 

themselves.

b) Suction pipe is too small or 

suction pipe is partly blocked 

by impurities.

b) Enlarge or check 

suction pipe.

c) There is air in suction pipe 

or pump.

c) Refill liquid to the 

pump and vent air.

d) The comparison of the 

delivery head of device with 

delivery head of pump is very 

low.

d) Improve system or 

choose another pump 

model.

e) Pump mechanically 

blocked.

e) Check and repair 

pump.

Continued

VIII. IMpORTANT NOTICE 

1. Customers will not be advised if this manual is updated. 
2. Pump will be guaranteed for one year under normal operation with the correct  

model. Wearing part is not included. 

3. Users shall be responsible for the damage if they disassemble the pumps by 

themselves in guaranteed period. 

Summary of Contents for HDROO Series

Page 1: ...HYDROO Pump Industries SL HF HX HN Light Horizontal Multistage Centrifugal Pump Operation Manual HDROO SERIES ...

Page 2: ...25 EC Machinery directive 2006 42 EC Commission Regulation 547 2012 Standard EN809 1998 A1 2009 Commission Regulation 640 2009 Place of Issue Palol de Revardit Spain Name of authorlsed representative Miquel Coma Position of authorlsed representative CEO Declaration I declare that as the authorised representative the above information in relation to the supply manufacture of this product is in conf...

Page 3: ...Liquid transferring circulation boosting Hot or cold water Feed proportioning system of food drinking agriculture etc 2 Operation conditions Liquid temperature Normal temperature type 15ºC 70ºC Hot water type 15ºC 110ºC Flow range 0 5 28 m3 h Max pressure 10 bar Liquid pH range pH5 9 Max ambient temperature 40ºC The Max suction pressure is limited by max operating pressure Min inlet pressure Refer...

Page 4: ...4 Impeller 7 Discharge 8 Mechanical Seal 10 Base plate 11 Staybolt 12 Diffuser 12a Neck ring retainer 12b Neck ring 13 Support diffuser W O this part in 2 3 stages pump 14 Impeller sleeve 15 Sleeve 1 W O this part in HF HX HN 2 17 Seal ring 18 Impeller sleeve S W O this part in 2 3 stages pump 19 First impeller cover 20 Nut 23 O ring 24 Spring washer 25 Nut 28 Screw 29 Spring Washer 31 Washer 32 M...

Page 5: ...he motor nameplate Motor shall be connected with a fast and effective motor starter to ensure that the motor will not be damaged by lack of phase unstable voltage or overload The motor shall be earthed reliably Caution Before take apart the terminal box cover or dismantle pump make sure that the power supply is switched off Warning Electrical connection and safety devices The pump units should be ...

Page 6: ... fully Fill water in pump in inverse pouring system Close the pump outlet valve release air vent screw on the pump head and open the inlet valve slowly until stable water flows from the air vent screw Then fasten the screw Fill water in pump when liquid level is lower than pump Before installing pump and pipes must be filled with liquid fully and air vented 2 Check the rotary direction Switch on t...

Page 7: ... is not choked Reverse the process above can disassemble a pump VII Fault finding and solution chart Caution Before removing the terminal box cover and before any removal dismantling of the pump make sure that the power supply has been switched off Fault Cause Solution Remarks Motor does not run when started a Power supply failure a Check power supply b Fuses are blown b Replace fuses c Motor is o...

Page 8: ...ck valve is defective b Check and repair foot valve or check valve c Foot valve is blocked in opened or partly opened position c Check and repair foot valve d There is air in suction pipe d Check and repair suction pipe and release air Fault Cause Solution Remarks Abnormal vibration or noise from pump a Leakage in suction pipe a Check and repair suction pipe In the case of e users shall not disass...

Page 9: ...rtners 201902 IOM HFHXHN EN subject to amendments HYDROO Pump Industries SL C La Banyeta Nova 11 P I La Banyeta 17843 Palol de Revardit Girona Catalonia Spain Tel 34 972 394 654 E mail info hydroo com www hydroo com ...

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