Cable Group Removal - Daikin D2CND028A1AA Servicing Manual

4 Part replacement

4.3 Cable Group Removal

•
Isolate the appliance from power supply and closedown
the gas valve.
•
Remove the front cover forwards. (Refer to Section 4.2).
•
Disconnect the three cable clips which locate the right
cover (1).
•
Disconnect wire connector of 3-way valve motor(step mo-
tor) (Refer to Section 4.6).
•
Open the control panel (Refer to Section 4.11).
•
Disconnect all wire connectors that inserted on PCB.
•
Disconnect pump wire connectors by pushing pawls help
of flat screwdriver (2).
•
Disconnect the wire connector of flow sensor ( it is used
only C model) (3) and water pressure sensor (4).
•
Disconnect the wire connector of 3 way valve (refer to
4.6.1).
Refer to 4.6.1
(3)
Servicing manual
12
•
•
•
(1)
•
•
•
(4)
(2)
Dismantle the ignition electrode and its earth cable from
the power supply (5).
Firstly loosen the screw which is at figure to dismantle
earth cable of ionization electrode from power supply (6).
Firstly loosen the screw which is at figure to take out high
voltage earth cable of boiler from power supply (7).
(5)
(6)
Demount wire connector of CH return, CH flow, flue gas
sensors and high limit thermostat (8).
Dismantle wire connector of gas valve (9).
Dismantle wire connector of ionization electrode (10).
(8)
(9)
D2CND028A1AA + D2CND028A4AA + D2CND035A1AA +
D2CND035A4AA + D2TND028A4AA + D2TND035A4AA
(7)
(10)
Wall-mounted condensing boiler
ESIE17 - 09 / 2017.11
(8)