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4. Application
The booster is designed for boosting and main-
taining the pressure when the water supply net-
work is not well dimensioned or does not exist.
It is used for water supply in high-rise apart-
ments, hospitals, offices and industrial buildings.
Non aggressive clear fluids (potable water, water
containing glycol...).
A control box is used to control, monitor and
protect the boosting system.
The booster is either supplied from the public
water mains or from a mains collection tank.
In case of pressure deviations more than 1 bar in
the suction pipe it is recommended to use a pres-
sure relief valve. The pressure downstream of the
pressure relief valve (back-pressure) is the basis
for the total head calculation of the booster.
5. Product data
5.1 Type key
Booster name
HU: Type of pump (MUH)
304: nominal output and number
of stages (3 m
/h 4 stages)
3
2: number of pumps
M: Single-phase
5.2 Technical data
- Maximum operating pressure:
- Maximum ambient temperature: 0 to +40°C
- Maximum water temperature:
- Single-phase supply voltage:
- Nominal current:
5.3 Scope of delivery
- Booster.
- Installation and operating instruction of the
booster.
5.4 Accessories
as required
- Diaphragm pressure tank
- Dry running kit or tank
as option
- Insulation valves
- Vibration compensators
- Pressure relief valve
- Counterflanges according to manifold diameter
POMPES SALMSON SAS 04/2013
ALTI-HU-Vario-304-2-M
10 bars
+55°C
230V (±10%)
50/60Hz
see type plate
6. Description and operation
6.1 General description
The booster is a compact installation that is sup-
plied completely piped-up and ready to connect.
The only connections that have to be made are
for suction and delivery pipe and also the power
mains.
Every accessory ordered is delivery separately.
The relevant instructions or standards must be
observed for the connection to the public water
supply mains. Regulations from the water com-
panies must be included when appropriate. Local
conditions (e.g. a supply pressure that is too high
or fluctuates considerably and which might
require the installation of a pressure relief valve)
must also be observed.
6.2 Product description
6.2.1 The booster (Fig. 1)
1. Control box
2. Acson Vario
3. Pressure gauge
4. Multistage horizontal pumps MUH
5. Filling plug
6. Draining plug
7. Support and fixing frame
8. Suction manifold
9. Delivery manifold
NOTA: each pump is fitted with insulation valves
on suction side and insulating valves and non-
return valves on delivery side.
6.2.2 Control box
• Ensure complete automatic operation of the
booster.
• Tightness, protection class IP 54.
• External safety and starting switch of the booster.
Inside (Fig. 2)
1. Main switch with power supply connection terminals
2. Motor magnetic circuit-breaker
3. CEM Filter
6.2.3 Description of the Acson Vario (Fig. 3)
1. Cable gland of the Acson Vario power supply
2. Cable gland of the pump power supply
3. Cable gland of the dry running protection
4. Cable gland of the series connection (as option)
5. Suction
6. Discharge
7. User interface
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