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Instruction 

APP pump instruction APP 0.6-1.0, APP 1.5-2.5 and APP 3.0-3.5

5

180R9065  /  521B0733 /  DKCFN.PI.013.C4.2T  /  09.2012

3. 

 Building up the  pump 

unit

Automatic pressure equalization between tank 

and surroundings must be ensured.

Inlet from the water supply and inlet to the 

pump should be placed in opposite ends of the 

tank to calm and deaerate the water, and to 

ensure optimum opportunity for particles to 

settle.

Pump suction line should be placed relatively 

high above the tank bottom in order to prevent 

settled particles from being led into the pump. 

We recommend a separation (“wall”) to separate 

the inlet from the outlet end of the tank.

Monitoring

It is recommended to continuously monitor the 

following conditions:

• 

Water level in the tank

• 

Filter contamination

• 

 Pressure (inlet- and outlet side of the 

pump)

3.1 Mounting

(Please also see hints in “Right and Wrong”)

If alternative mounting is desired, please contact 

the Danfoss Sales Organization.

Choose proper tolerances to ensure an easy 

mounting of the elastic coupling without use of 

tools.

Please take care to observe the recommended 

length tolerances of the chosen coupling, as an 

axial force on the pump will damage the pump.

3.2  Direction of rotation

Is indicated by means of an arrow at the inlet side

of the pump.

P Outlet 

T Inlet

max. 0.25 mm
max. 0.01 inch

A  Elastic coupling

B  Ball housing

C  Motor shaft

A

B

C

Summary of Contents for APP 0.6

Page 1: ...APP 0 6 1 0 APP 1 5 2 5 and APP 3 0 3 5 MAKING MODERN LIVING POSSIBLE Lenntech info lenntech com Tel 31 152 610 900 www lenntech com Fax 31 152 616 289 info lenntech com Tel 31 152 610 900 www lenntec...

Page 2: ...ines for calculation of pressure losses 4 2 5 General comments on 4 3 Building up the pump unit 5 3 1 Mounting 5 3 2 Direction of rotation 5 3 3 Orientation 6 3 4 Protection from too high pressures 6...

Page 3: ...mp 2 Place the inlet filter before the tank 3 Dimension the inlet line to obtain mini mum pressure loss large flow area minimum pipe length minimum number of bends connections fittings with small pres...

Page 4: ...ng to below guidelines 2 5 General comments on Filtration A good ltration is vital to ensure a long and trouble free life of the pump When selecting a filter or strainer please note that filter materi...

Page 5: ...all to separate the inlet from the outlet end of the tank Monitoring It is recommended to continuously monitor the following conditions Water level in the tank Filter contamination Pressure inlet and...

Page 6: ...close to the pump as possible The opening characteristics of the valve must not result in peak pressures higher than 200 bar 2900 psi The valve outlet must not be connected directly to the pump suctio...

Page 7: ...ssure gauge on the high pressure side 5 3 Dry running When running the pump must always be connected to the water supply in order to avoid damage if it should run dry In systems with water tank it is...

Page 8: ...elf and there is thus no oil in the pump The pump requires no periodic replacements of seals and valve parts 6 2 Repair In case of irregular function in the pump please contact the Danfoss Sales Organ...

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