Gorenje Ecologic 23 Bedienungs, Wartungs Und Montageanleitungen Seite 102

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When distribution of heating water is regulated by three-way mix valve (floor heating, weather
controlled regulation, where water flow on boiler heating loop is reduced), the system is
executed with fitted hydraulic switch and pump on primary-boiler heating loop, pump on boiler
heating loop must be controlled by boiler regulation, which already has a factory produced
electrical connection for pump.
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When a three-way mix valve is used (for floor or radiator heating, only in case of only one
mixing heating loop), connection of boiler ECOLOGIC 23 is always executed according to
scheme nr. 3 (page 54), where a hydraulic switch and a pump are built into the installation on
heating cycle with non-return valve (pump is connected to black cable from combustion
device).
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Flue connection must executed in accordance with instruction limiting maximum length of
connection pipe Ø 80 (5 m) and that 90-degree joints are considered as resistance on
connection, which reduces length of connection pipe for 1 m (example: if there are 2 joints on
flue connection, the connection cannot exceed length of 3 m). Flue connection must be fitted
with joints with inspections holes for cleaning (see figure 3, page 10). Joints must be out of at
least 3 segments (joints with three or more segments enable smooth flow of smoke gases
through joint), it is prohibited to use joints with two segments (joints with two segments creates
resistance in flow of smoke gases) (see figure 6, page 11).
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If the flue connection is longer as set forth in the instructions, the installer must use a reducing
element (from Ø 80 female connection to Ø 130 female connection) immediately behind the
fan, and the connection must be made with a pipe Ø 130 (see figure 18, page 49)
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Electrical connection of boiler must be performed with a cable (see figure 8, page 13) in
accordance with instructions. The boiler must not be connected to power supply with a plug –
it must be connected directly to network by a toggle switch, breaking live and neutral wire (see
figure 19, page 49).
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Electrical connection of distribution elements (pumps, solenoid valves, electromotor valves...)
must be executed in accordance with the scheme in the instructions, i.e. supply for distribution
elements must be executed from connection cable on the boiler (cable "pump") (see figure 8,
page 13).
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Combustion device ECOLOGIC 23, pipes of central heating and flue connection must be
earthed in accordance with professional regulations (earthing conductor with minimum cross-
2
section 4mm ) (see figure 20, page 49).
Figure 17 Figure 18 Figure 19
41
EN
Figure 20