Hydrotouch VSD Range
Hardware Features
- Enclosure:
- IP44 weatherproof rating
- Powder coated mild steel
- Removable gland plate
- Integral ventilation with thermostatically controlled fan
- Protection:
- Padlockable mains power isolator switch
- Circuit breaker protected low voltage control and input circuitry
- Individual VSD/pump isolation
- Control & Interface:
- Hydrotouch colour touch screen interface
- Main screen with system, pump, fault and sensor status
- Individual pump monitoring screen with status, run hours and number of starts, auto/off/manual control of pump
- Graphical overview screen for monitoring system operation
- Alarm screen with date and time stamped faults
- Logged data screen with power and water usage graphs, trend graphs for pressure, level and flow, pump run timers and and system event counters
- System diagnostics screen for easy fault finding, pump rotation testing
- Easy setup commissioning wizard
- Advanced parameter adjustment
- Inputs:
- 2x analogue 4-20mA input for transducers
- 3x digital 24Vdc inputs for float/pressure/flow switches
- 1x digital, pulse input for flow meter
- Standard terminal setup: Primary pressure and secondary level transducers, backup low level float and high level float
- Outputs:
- Variable speed drive per pump
- 5x assignable BMS volt free outputs
- 2x analogue 4-20mA BMS outputs for analogue readings
- Modbus RS485 connections
- Included with panel:
- Pressure transducer (10Bar/1000kPA)
- Shielded VSD motor cables
Function Features
- Operation:
- PID control and PID reverse
- Maximum run timer and auto alternation of pump duty
- Pump 1 can be configured as a main or jacking pump
- Maximum idle time ensures minimum tank level is maintained
- Staggered pump start and stop
- Bumpless transfer on pump duty alternation
- Pump limiting
- Sleep with sleep minimise sleep test
- Pipe fill builds up pipe pressure slowly
- Static lead pump for applications with low average flows but high peak flows
- Supply tank level monitoring (if using level transducer in supply tank instead of backup transducer)
- Manual override timer control when system is in fault shutdown
- Fault protection:
- Under/over voltage and phase failure protection
- Pump overload and prime loss shut-down
- Automatic changeover on VSD/pump fault
- High and low level/pressure shut-down
- Supply tank low level protection
- Pump cycle protection
- Pipe fill fail shut-down if pressure cannot be increased due to burst pipe
- Transducer redundancy switches to backup transducer if first one fails (if using secondary pressure transducer)
Optional Modifications
- 316 stainless steel enclosure
- Modbus TCP gateway with ethernet port
- Netbiter remote access
- Mains bypass, tank top up or well wash control with solenoid valve
- UV lamp control
- Generator input socket and automatic changeover
Common Applications
- Level control
- Water transfer
- Pressure control:
- Pressure boosting
- Temperature control:
- Hot Water Circulation
- Flow control:
- Process water control
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