Daikin D2CND028A1AA, Руководство по обслуживанию

Страница: 17 / 44

D2CND0 D2CND0 D2CND0
D2CND0 D2TND0 D2TND035A4AA
Wall-mounted condensing boiler
ESIE17 - 09 / 2017.11
Servicing manual
17
4.6 Return Hydroblock( Pump Group) Removal
•
Drain the water from the boiler ( refer to Section 4.1 ).
•
Seperate the installation pipes from the boiler by using
wrench ( refer to Section 4.1).
•
Open the appliance (refer to Section 4.2 ).
•
Disconnect the three clips which hold cable group on the
right cover (refer to Section 4.3).
•
Remove the right cover (refer to Section 4.5).
4.6.1 3 Way Valve Motor (Stepper Motor) Removal
To take out 3 way valve motor’s (stepper motor) wire connec -
tor:
•
Remove the syphon part (refer to Section 4.5).
•
Seperate 3 way valve motor (stepper motor) from return
hydroblock group by sliding it to the left (1).
•
Disconnect 3 way valve motor’s (stepper motor) wire
connector with the help of flat screwdriver (2).
•
Undo the 3 screws that connects to hermetic cabinet to
the pump (3) for C-models.
•
Undo the 2 screws that connects to hermetic cabinet to
the pump (4) for T-models.
•
Loosen the union joint that provides the return pipe -
pump connection using wrench (5).
•
Loosen the screw between plate heat exchanger and
pump (6) (This step is used only C-model).
•
Disconnect the expansion tank hose by remove of D10
clip right of the pump group (7).
•
Disconnect the by-pass hose by remove of D10 clip right
of the pump group (8) (It is used only T-model).
•
After these operations, return hydroblock can be taken
out.
When pump stucks, the screw is pushed which locate at the
figure by help of the screwdriver.
•
Re-assemble in reverse order.
4 Part replacement
(2) (1)
(4)
(7)
(8)
(5)
(6)
(3)