change CPU load values

Hello,

We are usign xymon server 4.3.5, i need to change the default load value 
for one server, now in the  xymon server, have the follow values:

DEFAULT
            # These are the built-in defaults.
         UP    1h
         LOAD    5.0 10.0
         LOAD    20.0 30.0    HOST=server.mydomain.tld
         DISK    * 90 95
         MEMPHYS 100 101
         MEMSWAP 50 80
         MEMACT  85 90

i need to set for the server 'server.mydomain.tld', take the values 20.0 
and 30.0, but with this config dont work, please can somebody help me?

Thank you very much.
Regards.