17
Periodical maintenance notes
Maintenance activities involve periodic checking of electrical cabling,
which is accessible outside the controller enclosure. In case of a mechanical or
thermal damage (e.g. molten insulation of wires, broken wire, damaged
controller enclosure), it is necessary to shut off the the device, disconnect it from
the power and then proceed to repair the damage. If needed, you may contact the
boiler manufacturer. Controller panel must be kept clean and protected against
water.
2.7. Installation protection
2.7.1. Open system
Moderator boilers operating in open central heating systems must be
connected according to requirements of the PN-91/B-02413 standard, so that
excess heat in the form of steam shall be removed through an open connection
(RP overflow pipe) to atmosphere.
Fig. 7. Protection of the installation, for boilers in open central heating systems.
KOMIN
– CHIMNEY
ZAWÓR BEZPIECZEŃSTWA - SAFETY VALVE
CZUJNIK TEMPERATURY
– TEMPERATURE SENSOR KOCIOŁ – BOILER
STEROWNIK
– CONTROLLER
WENTYLATOR
– BLOWER
ZAWÓR SPUSTOWY
– DRAINAGE VALVE
NACZYNIE WZBIORCZE
– PRESSURE VESSEL
ZAWÓR MIESZAJĄCY– MIXING VALVE
ZBIORNIK AKUMULACYJNY
– HEAT ACCUMULATION TANK
WĘŻOWNICA - COIL
INSTALACJA GRZEWCZA
– HEATING INSTALLATION
ZASILANIE Z SIECI - WATER PIPE SUPPLY