Safety; General Information; Preferred System Design; Commissioning And Servicing The Unit - Danfoss APP 5.1 User Manual

User manual
2.

Safety

Installation, Operation and Maintenance APP Pumps (APP 5.1-10.2)

2.1 General information

Dangers that can arise from not following the
instructions:
When the pump or pump system is managed by
untrained personal, there is a danger of:
• Death or fatal injuries
• Costly damages and claims
Electrical
hazard
All electrical installation work must only be
carried out by authorized personnel in
accordance with EN60204-1 and/or local
regulations .
Install a lockable circuit breaker to avoid
inadvertent starting .
Protect the motor and other electrical equip-
ment from overloads with suitable equipment .
!
Protective
garments
must be worn
It is recommended to place a local safety switch
near by the pump, enabling service personal to
cut power for the electric motor . This prevents
unintentionally starting the unit during servicing .
Always wear suitable safety clothing when
handling the pump .
When working near the pump system, safety
proof boot/shoes, safety glasses, ear protection
and safety helmet must always be worn .
Under certain operational conditions the surface
of the pump can be above 60°C / 140°F .
Under these conditions the pump must be
labelled with a "Danger Hot" sign .
When using an electric motor, the motor must
always be supplied with adequate cooling
ventilation .
When using an electric motor together with a
VFD, the motor must be designed for operation
with VFD . VFD operation may increase the
temperature inside the electric motor if the
motor is not designed for VFD operation .
Before start-up, the settings for all protective
devices, for example, sensors/switches and
safety valves must be verified and free flow from
safety valves must be ensured .
180R9263 / IOM APP Pumps - v01 / 01.2013
All pipe and hose connections must be stress-
free mounted, securely fastened to the pumps
and well supported . Improper installation will or
could result in personal injury and/or damage to
the pump .
Use of this manual does not relieve operation
and maintenance personnel of the responsibil-
ity of applying normal good judgment in the
operation and care of the pump and its
components.

2.2 Preferred system design

Danfoss recommends building systems with a
high degree of safety . See Danfoss preferred
system design and PI&D in Data sheet and
Instruction which are found in appendix 1 (Data
sheet) and 2 (APP pump instruction) .
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, care of start up and shut-
down devices and over-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 .
• Do not try to lift the pump unit manually;
most of the pumps weight more than
20 kilos, see specific weight for the pump
in the Data sheet, which is found in
appendix 1 .
• Do not run the pump if it is completely dry
and not bleeded .
• 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 .

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 .
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