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If the ice cubes are shallow and cloudy, it is
possible that the ice maker runs short of water
during the freezing cycle second phase or, the
quality of the supplied water requires the use of
an appropriate water filter or conditioner.
L. To be sure of the correct operation of ice
level control device, place one hand between its
sensing "eyes" to interrupt the light beam.
The RED LIGHT located in the front of the P.C.
BOARD goes immediately OFF, and after 60
seconds, the unit stops with the simultaneous
glowing of the 2nd YELLOW LIGHT to monitor
the BIN FULL situation (Fig.6).
Take the hand out from the ice level control
sensors to allow the resumption of the light
beam; the RED LIGHT, located in the front of the
P.C. BOARD, will glow immediately.
After approximately 6 seconds the ice maker
resume its operation with the immediate glowing
of the FOURTH YELLOW LIGHT indicating UNIT
IN OPERATION and the extinguishing of the
"BIN FULL" YELLOW LIGHT.
NOTE.
The ICE LEVEL CONTROL
(INFRARED SYSTEM) is independent of
the temperature however, the reliability of its
detection can be affected by external light
radiations or by any sort of dirt and scale
sediment which may deposit directly on the
light source and on the receiver.
To prevent any possible ice maker
malfunction, due to negative affection of the
light detertor, it is advisable to locate the unit
where it is not reached by any direct light
beam or light radiation, also it is
recommended to keep the bin door constantly
closed and to follow the instructions for the
periodical cleaning of the light sensor
elements as detailed in the MAINTENANCE
AND CLEANING PROCEDURES.
M. Remove, if previously installed, the
refrigerant service gauges and re-fit the unit
service panels previously removed.
N. Instruct the owner/user on the general
operation of the ice machine and about the
cleaning and care it requires.
16
15
14
13
2
1
7
8
9
10
3
4
5
6
11
12
Rx Tx
WATER IN VALVE
HOT GAS VALVE
CONTACTOR COIL
FAN MOTOR
WATER PUMP
- EVAPORATOR
- AMBIENT
- CONDENSER
TEMPERATURE SENSORSBINCOMPRESSOR
TRANSF.
DATA
PROCESSOR
ELECTR.
TIMER
DIP
SWITCH
ELECTRONIC CARD
L
N
RELAYS
RELAY
TRIAC
WATER DRAIN VALVE
FIG. 6
(18 páginas)
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