Danfoss PAH 2 Installation, Operation And Maintenance Manual page 7

Operation guide | Installation, Operation and Maintenance Manual for PAH 2-12.5 pumps
3. Technical data
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 shut-
down 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 .
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 .
3.1 Approved applications and operational
limits for the pumps
The pump and the pump units are designed for
the use in systems with tap water .
The PAH pumps must not be used for other
purposes than those recommended and
specified without first consulting your local
pump distributor .
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 .
180R9379 | AQ188686503004en-000801 | PAH 2-12.5 | 07.2022
• 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 .
2.5 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 .
3.5 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 .
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