15 is often used in related Eliwell IDPlus or EWPlus models and may be tried if 22 does not work.
These are often used for exclusive tracking, allowing the customer to assign unique values that identify specific system models or configurations.
If the code is correct, the device will unlock the hidden parameter folders, such as COnF and OPt . Default Password Values
Getting exclusive access to the (part of the FREE Smart series) is a standard procedure for HVAC technicians and system integrators who need to modify critical system configurations . This programmable controller is designed for high-performance applications, meaning many of its deeper settings are password-protected to prevent accidental or unauthorized changes. Accessing Protected Menus
Many technicians set a custom code between 0 and 255 via the UI27 parameter to ensure exclusive site access. Managing Exclusive Parameters
