8 Using the product
28
8.7 Automatic charging via target
superheat
This function enables a refrigerant circuit to be charged via the target superheat
using the testo 560i scale and the testo Smart Valve in combination with the
app or the testo 550s / testo 557s manifold.
For this, two testo 605i Smart Probes are connected to the manifold or the testo
Smart App. Based on this information, the optimum target superheat can be
calculated live. The system is filled automatically until the target value is
reached.
Displaying the target superheat value is only possible in combination
with testo 115i smart probes and testo 605i smart probes.
The appropriate maximum charge value for a system must be entered
in the [Max charge] field on the manifold/app.
The appropriate target superheat value for a system must be entered
on the manifold/app.
Based on the specified system size the algorithm creates a maximum
weight to be filled. When this maximum weight is reached, automatic
filling is paused and must be restarted. This prevents overfilling or
incorrect filling.
When using the manifold, the app is in second-screen mode. All
settings must be made on the manifold.
Before each measurement, check that the refrigerant hoses are in
flawless condition and applied to all ports tight to prevent leaks.
The system must be supervised by a competent person throughout the
entire process.
testo 560i and testo Smart Valve are connected via Bluetooth to the
testo Smart App or the testo 550s / testo 557s manifold.
testo 560i and testo Smart Valve are integrated into the refrigerant
circuit.
Two testo 115i and two testo 605i are attached and connected via
Bluetooth to the testo Smart App or the testo 550s / testo 557s
manifold.
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