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Idiomas disponibles
Idiomas disponibles
7.4
Protective functions and alarmes
8
Installation and electrical con-
nection
8.1
Receipt of the product
8.2
Installation
8.3
Hydraulic connections
Installation and operating instructions Wilo-Medana PE3
Installation and electrical connection
ƒ
Frozen protection: Green LED fhashes
When water inside the pump reaches freezing temperatures, it makes pump oper-
ated automatically and prevent damage from frost by a temperature sensor.
ƒ
Dry running protection: Red LED flashes
The pump automatically stops after 10seconds when driving with no water inside
the pump. Automatically return to operation after 10 minutes.(Continuous dry run-
ning_10 seconds/10 minutes repeat when dry running continues.
ƒ
Operation disconnection and overload protection: Red LED flahses
The pumps stops when the temperature inside the pump exceeds a certain level, au-
tomatically return to operation when the temperature inside the pump reaches a
certain level below.
ƒ
Leakage operation protection: Red LED flashes
The pumps stops when the temperature inside the pump exceeds a certain level, au-
tomatically return to operation when the temperature inside the pump reaches a
certain level below.
ƒ
Over-Pressure protection: Red LED 3 times and Green LED 3 times flashes altern-
ately
The pumps stop when the inside pump pressue exceeds 5kgf/㎠, automatically re-
turn to operation when the inside pump pressure becomes less than 5kgf/㎠.
All installation and electrical connection work must be carried out solely by author-
ised and qualified personnel, in accordance with applicable regulations.
WARNING
Physical injuries
The applicable regulations for the prevention of accidents must be complied with.
WARNING
Risk of electric shock
Hazards from electric current must be prevented.
ƒ
Unpack the pump and recycle or dispose of the packaging in an environmentally re-
sponsible manner.
ƒ
Handling: see Figures 2-7
Standard Type: Figure 1
ƒ
Close the discharge valve (2) and open the pressure tank (4)
ƒ
Open the suction valve (1) to fill the pump with water. If don't fill water in pump,
please open the hopper cap (3).
ƒ
Close the hopper cap (3) and the pessure tank (4) when water comes out from the
hopper cap (3)
ƒ
Open the discharge valve(2) after turning on the pump
General connection instructions
ƒ
Use flexible, braid-reinforced hose piping or rigid piping
ƒ
The pump must not bear the weight of the pipes
ƒ
Seal the piping well using appropriate products
Suction connections
ƒ
The diameter of the suction pipe must never be less than the port on the product
en
11
Capítulos
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