Water flow optimisation
This functionality is called Flowzer and is used for controlling the unit's inverter pumps to continuously adapt the waterflow to the current load inside the building. This increases unit efficiency.
Main functionality
This functionality is used for control of variable flow systems.
The following plant configurations are supported:
- Inverter pumps (controlled in 2 steady points)
- Full primary system
- Primary + secondary system (pressure control)
- Primary + secondary system (temperature control)
Added value
- Saves pumping energy
- Improves unit efficiency at part load conditions
- Improves plant temperature stability
- Includes integrated control of inverter pumps, no external hand-held required
- Enhances comfort thanks to balance between primary and secondary circuit
- No need for additional minimum water flow control
- Supplied with factory pre-settings
Description
This functionality controls inverter pump groups, typically placed on the chiller/heat pump.
Reduced load, enables reduced pump speed.
No need for water flow regulating valve on the primary circuit.
Primary and secondary hydronic plants
Functionality balances primary and secondary flow to avoid inefficient water recirculation. Water flow is controlled as a function of temperature on the primary side. Minimum water flow is guaranteed as the pressure drop is monitored across the units plate exchanger
Full primary hydronic plants (not in illustration)
Water flow is controlled as a function of plant pressure. Minimum water flow is guaranteed as the pressure drop is monitored across the plate exchanger, if there is a need, the bypass valve is open and regulated
Technical details
- Variable flow management is integrated in the unit
- Inverter pumps are controlled by the unit controls
- Temperature and/or pressure probes are connected to the unit dashboard
- If the primary system is full, the actuator of the bypass valve is controlled by the unit
- All connections are hardwired
Products
Here is a selection of the products included
