Page 46 
Important Information 
Setpoints are entered in values according to the function selected.  
Level - entered in Display Units or % of span as referenced to Empty 
Temperature - entered in ºC.  
See the appropriate alarm function, table (P211, 221, 231) for further 
information.   
 
Control 
P210, P220 = 2 (Control) 
When a relay is being set up as a control relay, the second parameter that 
will be displayed in the menu determines its function. 
P211, P221 - Relay Function, 
This function is used, where it is required to energise the relay to switch a 
device, such as a pump, ON and de-energise the relay to switch the device 
OFF.  
Options  Description 
0 = Off  Relay is always de-energised 
1 = General 
Relay will energise “ON” as set in Relay 
Setpoint 1 (P213, 223). And turns “OFF”, 
de-energises, as set in Relay Setpoint 2 
(P214, 224). 
 
Important Information 
A control relay is started and stopped at the “ON” and “OFF” setpoints. To 
control down (reduce level) then set “ON” higher than “OFF”. To control up 
(increase level) then set “ON” lower than “OFF”. For relay 1 “ON” is P213, 
“OFF” is P214 and For relay 2 “ON” is P223, “OFF” is P224