Homa H500B/5,5 D [10/24] Safety warnings
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Homa H500B/5,5 D [10/24] Safety warnings

Homa H500B/7,5 D [10/24] Safety warnings
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 danger symbol in accor-
dance 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
Additionally to the following general safety precautions
you will find further safety precautions under the main
points in this instruction manual. General regulations and
guidelines not mentioned in the safety warnings retain
their validity.
These operating instructions contain basic instruc-
tions which have to be adhered to during installation, op-
eration and maintenance. These operating instructions
must be read by mechanics and the operator before in-
stallation 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 in-
structions shall not use this product.
Persons under age 16 shall not use the pump and
must keep away from the machine while it is
operating.
The working area has to be closed off expediently
and must adhere to local workplace regulations.
Always use personal safety equipment such as safety
boots, rubber gloves, safety glasses and helmet.
Make sure that the emergency exit from the
workplace is not barricaded.
To prevent suffocation and poisoning caused by ven-
omous gases, make sure that enough oxygen exists in
the workplace.
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.
The operator of the pump is responsible for third
parties within the work area.
Never put a hand or finger into suction inlet or dis-
charge of the pump while the impeller is rotating.
Persons are not permitted to stay in the pumping
medium during operation of the pump.
All other rules and regulations and local codes
covering health and safety must be observed.
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 limitations are valid for accessories.
3. Applications and technical Description
3.1. Applications
H 500 and H 700 pumps are designed for drainage of
dirty water, pumping clear water, or leakage water with
abrasive solids (spherical clearance see 3.2). Model B
made of cast iron are suitable for aggressive mediums,
e.g. sea water, lye. The pumps are used to pump surface
water from building sites, wells, subways or tunnels, for
lowering ground water, for irrigation, supply of industrial
water, application on board ships etc.
Before the pumping of chemically aggressive liquids, the
resistance of the pump materials must be checked.
The pumps may be used for both temporary or permanent
installation.
3.2. Technical Data
Discharge
H 500 (B) / ...
1,8 W up to 3,5 D BSP 2½" M
5,5 D up to 7,5 D BSP 4" M
10 D and 25 D BSP 6" M
10 HD BSP 3" F
H 700 (B) / ...
2,5 D up to 3,5 D BSP 2½" M
7,5 D up to 10 D BSP 3" F
Spherical clearance
H 500 (B) / 1,8 W and 2,5 D 8 mm
H 500 (B) / 3,5 D and 5,5 D 10 mm
H 500 (B) / 7,5 D and 10 (H)D 15 mm
H 500 (B) / 25 D 25 mm
H 700 (B) all models 10 mm
Voltage
1Ph-motor (Model W) 230 V
3Ph-motor (Model D) 400 V
Speed 2900 rpm
Insulation class F
Motor protection IP 68
Cable length 20 m
Type of cable
H 500 / H 700 up to 3,5 H 07RN-F...
H 500 / H 700 above 5,5 A 07RN-F...
Noise level during operation, distance from
the pump 1,00 m
≤ 70d(B)A
3.3. Operating Conditions
Maximum liquid temperature
: 35°C, short-term up to
60°C.
Density of pumped liquid max.:
1100 kg/m
3
PH-value of pumped liquid:
H 500, H700 : 6 up to 8,
H 500 B, H 700 B: 6 up to 11.
Level of pumped medium:
The lowest level must always
be above the top of the pump housing (volute).
Operation:
The motors are designed for continuous op-
eration (S1) with fully submerged motor, maximum 15
starts per hour. Our standard warranty and maintenance
regulations refer to intermittent operation. For reduced
warranty periods and service intervals due to continuous
operating conditions please contact our service
department.
3.4. Explosive Environments
For operation of the pumps in explosive enviroments
only models with explosion-proof motors (Ex model) must
be used.
For each individual installation the explosion classifi-
cation (Ex-class) of the pump must be approved by the
local authorities.

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