User Instructions for GECO GH21TA controller
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Page 28 Edition I
19.06.2013
9.
Controller algorithms for attached devices
9.1
Heating mode – Fuel feeder
In automatic heating mode with the standard setting, the fuel feeder operates according to
the parameters set in ‘fuel feeder operation time’ and ‘fuel feeder interval time’. When the fuel
feeder is switched on and operating, this is indicated by a feeder icon in the negated backlit
position in system operation preview.
. When the feeder is switched off and disabled, this
is indicated by a feeder icon without negated backlight in the system operation preview
.
9.2
Automatic mode – CH pumps
W In automatic heating mode, the CH pumps is connected if the temperature of water in
the boiler is greater than or equal to the value set in parameter S06 (the default is 40
0
C).
When the CH pumps are operational, this is indicated by a CH pump icon, in the negated
backlit position in system operation preview
.
The controller disables the pumps if the water temperature in the boiler drops to the pump
activation temperature minus 4
o
C. (If the activation temperature is 40
0
C, the pumps will be
disabled at 36
0
C). When the CH pumps are disabled, this is indicated by a pump icon without
negated backlight in the system operation preview
.
9.3
Heating mode - fan
In automatic heating mode set to standard, and in grate mode, the fan works all the time
trybie automatycznym GRZANIE w trybie regulacji standardowej i trybie ruszt wentylator
pracuje cały czas, until the temperature reaches that set by the user in the paremeter ‘set
boiler temperature’. Durnig this time, the fan works at the speed set in the parameter ‘fan
speed’. Connection and operation of the fan is indicated by a fan icon, in the negated backlit
position in system operation preview
. When the fan is disabled, this is shown by a fan
icon without negated backlight in the system operation preview
.
