15 CONTROLLER MAINTENANCE
The controller requires to maintain the installed battery. Every two years it’s required to replace the battery. Battery model
is: BR2032 and it is produced by many different vendors.
To replace the battery remove the plastic cover of the controller display using a screw driver as shown in the following
picture:
Be careful to avoid damages to the plastic cover. The new battery shall be placed in the proper battery holder which is
highlighted in the following picture, respecting the polarities indicated into the holder itself.
16 ICM AND MASTER/SLAVE
The unit controller also contains system control functionalities named Master/Slave (offered for free) and iCM (payable
option).
Master/Slave is a basic system controlller that can control up to 4 units in the same loop.
iCM can extend the functionalities to control up to 8 units with additional plant control functionalities (pump control, cooling
towers etc.) and flexibility.
Please, refer to the dedicated manual for further information.
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