14
6.3 Alarm Signs
AIR BIO Controller for solid fuel boilers provides for situations when emergency
messages might be sent:
-
in case of «boiler overheat», when boiler temperature is more than +95ºС;
-
in case of ignition in a screw feed, when temperature on the screw sensor is higher
than the temperature set up in Item 7.4.
-
in case of temperature sensor failure;
Emergency Indicator lights up on the front panel, the Controller switches off the fan,
and at the same time the central heating pump continues uninterrupted operation cooling the
boiler by ducting the heat carrier through the central heating system. As well as AIR BIO
Controller provides for hooking up the external alarm system that will create closed-loop
(unclosed-loop) in case of emergency situation.
AIR BIO is additionally equipped with thermal protection sensor. The sensor is
intended for forced switching off the forced-draft blower and screw feed if the heat carrier
reaches abnormally high temperature in the heating circuit. 90 degrees in a standard way.
Response tolerance is 10%.
7 TECHNICAL MAINTENANCE
7.1 Safety
1.
Installation and operation of AIR BIO Controller shall be performed in accordance
with fire safety regulations and electrical safety requirements.
2.
Installation and adjustment of the Controller shall be carried out in the presence of
the qualified specialist.
3.
It is recommended to install the Controller on the boiler in such a way to prevent it
from being dirtied and mechanically thermally damaged during boiler operation.
4.
It is prohibited to use the Controller beyond the operating temperature range
specified in this Operation Manual.
5.
It is prohibited to make any changes in the Controller construction at its own
discretion.
6.
It is prohibited to locate the temperature sensor in fluids.
7.
During operation it is necessary to ensure that there are no any contacts of wire
insulation with boiler heating up elements.
8.
Safety appliance shall be replaced only when the Controller is off (disconnected
from power supply network) and with the safety appliance having the nominal specified in
this Operation Manual.
7.2 Technical Maintenance Procedure
When using the Controller, it is recommended to adhere to the following rules:
-
it is recommended to hook up the unit using the surge arrester;
-
it is recommended to clean up the boiler in accordance with the Boiler Manual
requirements;
-
it is necessary to keep the unit away from moist environment and make sure that no
water will go inside the unit;
-
it is recommended to wipe clean of dust, when required;
