Homa HWE 55, Installation And Operation Instruction Manual

Page: 10 / 20

10
2. Safety Warnings
2.1. General Instructions
Signs used to mark instructions in this manual
Safety instructions in these operating instructions,
which, if not observed, could cause a danger for persons
are marked with the general symbol in accordance with
DIN 4844-W 9.
Warnings against electrical voltage are marked with the
safety symbol in accordance with DIN 4844-W 8.
2.2. General Safety Precautions
General regulations and guidelines not mentioned in the
safety warnings retain their validity.
These operating instructions contain basic instructions,
which have to be adhered to during installation, operation
and maintenance. These operating instructions must be
read from mechanic and the operator before installation and
operation of the pump and have to be kept available at the
operating place of the machine/unit at all times. Persons
who are not familiar with the operating instructions shall not
use this product.
If you have to work with welding tools or electric tools,
make sure that there is no explosion hazard.
Immediately after repair or maintenance work, all safety
and protection equipment must be reinstalled and placed in
function again.
Persons are not permitted to stay in the pumping me-
dium during operation of the pump.
In accordance with product liability law, we point out
that we shall not be liable for damages caused by the pump
due to non-observance of the instructions and guidelines
set forth in the operating instructions. The same product
liability are valid for accessories.
3. Applications and Technical Description
The working area has to be closed off expediently
and must adhere to local workplace regulations.
HOMA Domestic booster units are self-priming, centrifugal
pumps with electric motor. The operation of this pump is
controlled automatically (see No.7). The pump contains a
22,0l pressure tank (capacity HWE 70-60: 60,0l), which is
connected to the pump by a flexible pressure-tube, as well
as a pressure-switch.
The pumps are designed for pumping clear water. They are
used for water supply of houses, agriculture farms and
commercial companies, as well as garden.
The pumps must not be used for pumping of liquids contain-
ing quantities of abrasive solids, like sand or stones. Before
pumping of chemically aggressive liquids, the resistance of
the pump materials must be checked.
The unit are not designed for pumping drinking water.
Corresponding to the regulations for sewage disposal units
of explosive environments, it is not allowed to pump sewage
and explosive liquids with these pumps.
The voltage which is quoted in the technical data has to
comply with the existing main voltage.
The temperature of the medium may not exceed the
quoted temperature in the operation conditions.
The units are spray water prooved. They have to be
installed in a dry space. Do never submerge unit for opera-
tion.
3.1 Technichal Data
Voltage 230 V / 1 Ph / 50 Hz
Speed 2900 U/min
Insulation class F
Motor protection IP 44
Required fuses min. 16 A
Suction pipe dia. min. ¾“
Discharge pipe dia. min. ½“
Pre-compression max. 2 bar
Cable 2,0 m
Pump specific detail see pump label.
3.2 Operating Conditions
Max. medium temperature 35°C
Operation Intermittent
3.3 Dimensions (in mm):
Type A B C D E F _
HWE 55 560 450 530 270 R1"IG R1"IG
HWE 71 __ 573 437 530 270 R1"IG R1"IG
HWE 70-60 695 565 748 380 R1"IG R1"IG
HWE 76 E 573 437 530 270 R1"IG R1"IG
4. Warranty
Our warranty only covers pumps which are installed and
operated in accordance with these installation and opera-
tion instructions and accepted codes of good practice and
being used for the applications mentioned in these instruc-
tions.
5. Transport and Storage
All other rules and regulations and local codes covering
health and safety must be observed.
Never use the cable or the discharge hose/pipe to lift,
lower, transport or attach the pump.
The pump may be transported and stored in vertical or
horizontal position. Make sure that it cannot roll or fall over.
For longer periods of storage, the pump should be pro-
tected against moisture, frost or heat.