3. Technical data . Danfoss PAHT G 6, PAHT 6, PAHT 4, PAHT 12.5, PAHT 10, PAHT 2, PAHT 3.2, PAHT G 2, PAHT G 12.5, PAHT G 10

User manual

3. Technical data

Installation, Operation and Maintenance Manual for PAHT / PAHT G 2-12.5 pumps

It is always the system builders´ responsibility that the system design does not cause any kind of hazard and is adapted to local regulations and standards .

Proper installation, proper start up and shutdown devices as well as high-pressure protection equipment is essential .

2.3 Commissioning and servicing the unit

It is recommended that commissioning and servicing are carried out by a minimum of two people, where one is acting as a supervisor .

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Do not try to lift the pump unit manually; most of the pumps weigh more than

20 kilos, see specific weight for the pump in the appendix 1, Data sheet .

Always bleed the pump prior to initial start-up .

Do not mount the pump without the bell housing and a flexible coupling .

Do not try to start the unit before the system components are mounted, bleeded and adjusted .

Flush the system throughly before connecting the pump or pump unit .

Check rotation direction of the motor before mounting the pump .

2.4 Adhere to the following important points

• Before using the pump/pump unit it is very important to read and understand this user manual .

2.5 In case of doubt

Please contact Danfoss A/S in case of doubt .

Contact information are listed in section 1 .3,

Manufacturer and customer service address .

3.2 Application range

See appendix 1, Data sheet .

3.3 Electric motor data

See recommended motor in appendix 1, Data sheet or appendix 3, IOM for motors . The motors mentioned are the most common used motors by Danfoss High Pressure Pumps .

3.4 Noise and vibration

Noise level for a pump unit with a ”standard” motor measured according to EN ISO 3744:2010, see appendix 1, Data sheet . Possibilities to reduce noise and vibration are described in the same Data sheet .

3.1 Approved applications and operational limits for the pumps

The pump and the pump units are designed for the use in systems with technical water.

The PAHT pumps must not be used for other purposes than those recommended and specified without first consulting your local pump distributor.

3.5 Dimension drawings

Dimensions of the different pumps can be found in appendix 1, Data sheet .

3.6 Space requirement

When doing service or replacing the complete pump unit, it is recommended to have sufficient space available around the pump in order to ensure easy access . Sufficient space means at least 1 meter/40 inches around the pump . When working with high pressures, it is important to have the right space available around the pump as stated in the safety requirements .

Use of the pump in other applications not suitable for the pump unit can cause damages to the pump unit, with risk of personal injury.

For system integration of the pumps, please see appendix 1, Data sheet and appendix 2,

Instruction.

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180R9287 / IOM PAHT /PAHT G 2-12.5 pumps - v01 / 06.2013