Operation manual for M RS 420 ESTYMA control unit
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ABBREVIATION DESCRIPTION
HP
central heating circulation pump is on
WP
hot tap water circulation pump is on
lig
heating element is on
fee
fuel feeder is on
fa 20
blower is on; current blower power level
00
mixer closing
01
mixer opening
Table 3: Equipment abbreviations
FIRST BOILER IGNITION
If you work with a feeder, you should fill the bin with fuel and then turn the
feeder on manually in order to feed the fuel into the combustion chamber. To do
this, you should select the “MANUAL MODE” submenu.
Press
to turn the feeder on/off.
Press
to turn suction on/off.
After you press the button, the feeder will run for 30 seconds, filling the retort
with fuel about half-way. Once this happens, turn the boiler control unit ON; the
fuel will ignite automatically.
ALARMS AND SAFEGUARDS
The flashing of the display screen of the control unit is an alarm signal. Press
“ENTER” to display information about the alarm. The control unit activates the
following types of alarms:
- boiler overheating
; alarm is activated when the boiler temperature exceeds
the “Talarm boiler” which may be set in the SERVICE MODE. When this happens,
the control unit turns on the circulation pumps and keeps them running until the
boiler temperature drops, regardless of the operating mode selected.
