BurnPell RControl EM890, User Manual, Page: 43 / 46

11. In hydraulic installation
with mixing valve and
servomotor – mixer is
not opening.
§
The cause may be HW silo loading when HW priority is activated. Wait
until HW is loaded or activate the HW priority.
§
The cause may be active function SUMMER.
§
The cause may be activation of function return protection (Menu
→
Service settings
→
Boiler settings
→
Return protection). If function
return protection is activated – check if return sensor of water return
to silo is isolated thermally from surroundings. By usage thermo
leading paste improve thermal contact of the sensor with pipe.
Increase preset temperature of the boiler to ensure power for heating
returning water. Check if hydraulic installation is correctly made, after
closing the valve, return temperature must increase above value of
parameter
Minimum return temperature .
§
The cause may be calibration of mixer valve, wait until calibration is
finished. Active calibration is marked “CAL” in menu INFORMATION.
20. Controller configuration by boiler producer
The producer of boiler / burner should adjust program parameters in controller to given type and
power of the burner. The most important parameters are those related to Firing up, Operation
and Burning off. The controller is able to change the default settings depending on power and
type of the burner. Default settings for given boilers / burners should be consulted with Company
PLUM. In order to load new parameters go to:
Menu
→
Service settings
→
Special password
and choose proper boiler/burner. Default settings can also be loaded by special software provided
by Company PLUM.
21. Register of changes