3.3.4 Cascade relay
Description
One pump is fitted with the unit and up to five slave pumps can be switched to on/off on
demand. The unit uses an additional Premium Card for this purpose.
For switching the slave pumps an external switchboard has to be installed.
Example
The example shows a booster set with four pumps where only one speed-controlled
pump and the others are fixed speed.
1. HYDROVAR
2. External panel
3.4 The data plate
Type definition code
Figure 3: Definition code and placement
No. Description Alternatives
1 Brand HVL - HYDROVAR
2 Power supply 2: 1~ 230 VAC
3: 3~ 230 VAC
4: 3~ 380–460 VAC
3 Shaft power *10 [kW] 015: 1.5 kW (2.0 HP)
022: 2.2 kW (3.0 HP)
030: 3.0 kW (4.0 HP)
040: 4.0 kW (5.0 HP)
055: 5.5 kW (7.5 HP)
075: 7.5 kW (10.0 HP)
110: 11.0 kW (15.0 HP)
150: 15.0 kW (20.0 HP)
185: 18.5 kW (25.0 HP)
220: 22.0 kW (30.0 HP)
4 Enclosure rate A: IP 55 / Type1
5 Bus communication 0: Standard communication
3 Product Description
14 HVL 2.015-4.220 Installation, Operation, and Maintenance Manual
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