GH10TA USER MANUAL
PAGE
11
Issue I
July 2017
6.2.5.
Reed relay
In AUTO mode the feeder sensor (reed relay) works according to the value set in
F19
and
F22
service parameters. After exceeding the time of (5/4 x (
F19
x
F22
))
and no reed relay activation the AL9
alarm will appear (
⇒
section 6.5, page 11).
6.3.
Manual Operation Mode
In this mode, you can manually and independently turn on and off the fuel feeder and the fan. To do
this, follow the below scheme:
In the manual operation mode, you can also start the CH and HUW pumps. To start the CH pump, press the
following key:
and hold it for 5 second. Starting and running of the CH pump is indicated by a vertical
line at the left side of the Controller main display screen.
To start the HUW pump, press the following key
and hold it for 5 second. Starting and running of the
HUW pump is indicated by a horizontal line at the bottom of the Controller main display screen.
Pressing
causes the Controller to switch from automatic to manual mode, and immediately stops the
fan, the feeder and pumps.
6.4.
Viewing Temperatures
After pressing
, the display shows water temperature at the boiler outlet. Viewing temperatures:
HUW/return and feeder is available in the AUTO and MAINTAIN modes, but only if the HUW/return sensor
or feeder are properly enabled.
Press
to view the feeder temperature. Press the key again to cancel the view. The view is also
cancelled after 10s from pressing of the key.
Press
to get a HUW/return temperature view. Press the key again to cancel the view. The view is also
cancelled after 10s from pressing of the key.
STEP 1
STEP 2
→
Controller
indicates water
temperature
measured on CH
boiler
Fuel feeder
Lower
key indicator
lights. Press the key again to
stop feeder and turn off
indicator.
Fan
Upper
key indicator
lights. Press the key again to
stop the fan and turn off
indicator.