Wascomat Selecta S28/125, Руководство по эксплуатации и техническому обслуживанию

Страница: 29 / 76

22
Mechanical and electrical design
Door
The door consists of: a door skirt (1), door frame
(2), glass (3) and gasket (4). The skirt and door
frame are both made of enameled aluminium.
The skirt is bolted directly to the outer shell of the
washing machine.The door hinges are fastened
on the outside of the skirt and the door lock (5) is
attached to the inside. The heat-hardened glass
is mounted in the door using a special rubber
seal which also acts as a gasket between the
door and the washing machine’s outer shell when
the door is closed.
Door lock
The door lock consists of a circuit board (1) with
a connector. The following parts are mounted on
the board: the lock plate (2) against which the
locking bolt turns to lock the door and a micros-
witch (3) which closes when the locking bolt has
locked the door.
There is also a locking device on the circuit card
which acts to lock the locking bolt in place when
the machine starts up. The device consists of a
double-acting solenoid (4), a delay unit (5) and
the locking device itself (6) which operates
sideways in blocking the locking bolt with a stud.
The locking device can be affected by both the
solenoid and the delay unit.
The lock operates as follows:
• When the door is shut and the locking bolt
moved to the lock position, the micro switch
will indicate that the door is closed.
• When the machine is started, the solenoid
actuates the locking device, blocking the door
lock. The locking device signals the delay unit,
closing a switch in the unit. The washing
machine motor will start and water enter the
machine only after the delay unit receives the
information that the door is locked. The bi-
metallic spring in the delay unit is warmed up
at the beginning of the program.
• Once the washing machine stops at the end of
a cycle, the solenoid pulls back the locking
stud and allows the door to open. The delay
unit is spring-mounted in the locking device
and is also pulled back by the solenoid which
operates for about two minutes to allow the bi-
metallic spring to cool down enough not to
lock the door again.
• If current should disappear during a cycle, the
delay unit will keep the door locked for about
two minutes, ensuring that the wash water can
drain out (The drain valve opens automatically
when current is lost).
37
38
NOTE
Do not attempt repair to a faulty
door lock. The individual
components are not available.
Always replace the old unit with
a new one, to assure proper
operation of the door safety
interlock.
1148
1149
5
4
1
2
3
1
5
6
2
3
4
Fig.
37
Fig.
38