Plum ecomaxx 800 R2 User Manual

13. In hydraulic system
with mixing valve and
servo - mixer is closed
 The reason may be response of return protection function - see
sec.35. If the return protection function is active, i.e. Return
Protection 4D = ON - check whether the sensor of water return
to the boiler is thermally isolated from environment and apply
thermal paste to improve thermal contact between the sensor
and the pipe. Increase preset boiler temperature to have enough
power to heat return water. Check whether hydraulic system is
properly made - upon valve closing, return temperature should
increase to above the value set in the parameter "Min.return
temperature + Return temp. hyst.
 the reason may be filling HUW container at active HUW priority.
Wait until completed HUW container filling or deactivate HUW
priority,
 the reason may be active SUMMER function,
14. In hydraulic system
with mixing valve and
servo – preset
boiler/mixer
temperature is not
stable - servo performs
unnecessary
movements
 Adjust the parameters: Mixer input dead zone or Proportional
range or Integr. time const. acc. sec. 38
21 Regulator setting by boiler manufacturer.
CAUTION: THE INDIVIDUAL FUZZY LOGIC PROGRAM IS SELECTED INDIVIDUALLY TO
THE GIVEN BOILER TYPE. MAKE SURE THAT THE FITTINGS FOR BOILERS TESTED IN
THE PLUM LABORATORIES ARE COMPATIBLE WITH FITTINGS FOR SOLD BOILERS. IT IS
INADMISSIBLE TO REPLACE THE FEEDER AND FAN TO OTHER TYPES AS WELL AS
MAKING OTHER CONSTRUCTIONAL MODIFICATIONS WHICH CAN HAVE IMPACT ON
COMBUSTION PROCESS.
21.1 Activating Individual Fuzzy Logic and changing boiler type
To activate Fuzzy Logic mode - enter hidden MENU:
MENU Service Settings Enter special password.
Special password is made available to boiler manufacturers and authorized installer contractors
only.
Select proper boiler/ burner type in which the regulator will be mounted from the menu. If a
given boiler type is not specified - set the option ,”Fuzzy logic = OFF”. With this setting, the
regulator may be used in STANDARD mode only, and Fuzzy Logic function will be disabled. Return
the regulator to factory settings to activate the changes.
Note: selection of improper type of the boiler, which has not been tested in test house
of PLUM sp. z o.o., may cause incorrect boiler operation
Settings for individual boilers have to be agreed between the boiler manufacturer and PLUM sp. z
o.o.
Boiler manufacturer may set Fuzzy Logic function by himself. These parameters are available in:
MENU → Service Settings → Boiler Settings → Burner Settings → Fuzzy Logic. List of available
settings is usually hidden and accessible upon setting the parameter Show hidden parameters =
YES. This parameter is available in separate menu upon entry of special password.

Plum ecomaxx 800 R2 Specifications

General

Brand	Plum
Model	ecomaxx 800 R2
Category	Thermostat
Language	English