TM_s-MEXT_ME28relC_00_12_19_EN
Technical manual
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
116
20.7
H&L LOCAL TEMPERATURE PROTECTION
This function, available for all units connected to the LAN network (P26.01>0) and that adjust according to the average temperature (P26.02=Y), permits monitoring the
formation of Hot and Cold Spots in a room controlled by various units on the LAN network.
INFORMATION
The function can be viewed only after enabling the LAN network and adjustment according to the average temperature.
The protection is enabled so that the air temperature in the room is not too high or too low, according to the following criteria:
•
Hot Spot protection:
𝑅𝑜𝑜𝑚 𝐴𝑖𝑟 𝑇𝑒𝑚𝑝𝑒𝑟𝑎𝑡𝑢𝑟𝑒 > 𝐴𝑣𝑒𝑟𝑎𝑔𝑒 𝐴𝑖𝑟 𝑇𝑒𝑚𝑝𝑒𝑟𝑎𝑡𝑢𝑟𝑒 + 𝑃26.12
•
Cold Spot protection:
𝑅𝑜𝑜𝑚 𝐴𝑖𝑟 𝑇𝑒𝑚𝑝𝑒𝑟𝑎𝑡𝑢𝑟𝑒 < 𝐴𝑣𝑒𝑟𝑎𝑔𝑒 𝐴𝑖𝑟 𝑇𝑒𝑚𝑝𝑒𝑟𝑎𝑡𝑢𝑟𝑒 − 𝑃26.13
When the function is activated as a result of one of the above limits being reached, it "frees" the protected unit from having to adjust according to the average temperature, so
that it can adjust according to its own local air temperature, and the temperature fault detected in that individual unit can be managed independently.
After the local air temperature has been brought by the independent unit back within the Hot Spot and Cold Spot limit for the time in parameter P26.14, the unit is
reconnected to the LAN and made to adjust according to the average temperature.
INFORMATION
This function is available for units in standby and in ADL mode, which must be configured for adjustment according to average temperature and
humidity.
INFORMATION
The parameters for setting and enabling this function can be viewed only at the Master unit.
P26.12
Protection OFF and adjustment at average
T. restored
Protection ON and adjustment at
average T. disabled
Time
Temperature
P26.13
T.Average
P26.15
P26.14
T.Room
Figure 20-8:
Chart of H&L Local Temperature Protection
