D2CND0 D2CND0 D2CND0
D2CND0 D2TND0 D2TND035A4AA
Wall-mounted condensing boiler
ESIE17 - 09 / 2017.11
Servicing manual
20
•
Isolate the appliance from power and closedown the gas
valve.
•
Drain the water from the boiler (refer to Section 4.1 )
•
Open the appliance ( refer to Section 4.2)
•
Take out the silencer (refer to Section 4.4).
•
Remove the syphon part from condensate sump by turn
-
ing counter clockwise (refer to Section 4.8).
•
Remove expansion vessel( refer to Section 4.9).
•
Take out the flue gas pipe (refer to Section 4.5).
•
Remove the condensate sump from the heat exchanger
be careful the condensate sump pawls (refer to Section
4.5).
•
Undo the screw between flow hydroblock and plate heat
exchanger (1).
•
Undo the screw that between return group and plate heat
exchanger (1).
•
Remove the plate heat exchanger from the boiler’s left
side (2).
4.10 Plate Heat Exchanger Removal (Only C- Model)
4.11 PCB Removal
•
Isolate the appliance from power supply and closedown
the gas valve.
•
Open the appliance (refer to Section 4.2).
•
Disconnect the cables which locate on the back cover
bracket (1).
•
Undo the 6 screws that connects the control panel back
cover to control panel and undo terminal’s (X2M) screw.
(2)
•
Disconnect all cable connections that inserted to PCB.
•
Remove the gaskets from the control panel (3).
•
Undo the cable support’s 3 screws holding the main pcb
and remove the cable support (4).
4 Part replacement
(4)
(3)
(1)
(2)
•
Re-assemble in reverse order.
(1)
(2)
(2)
Содержание D2CND028A1AA
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