In hydraulic installation
with mixing valve and
servomotor – mixer is not
opening.
The cause may be HUW silo loading when HUW priority is activated.
Wait until HUW is loaded or activate the HUW 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 thermoleading paste
improve thermal contact of the sensor with pipe. Improve 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.
19. 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
PellasX. 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 PellasX.
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