Note For External Dispenser; Igeneral Safety Rules; Introduction; Guards - Electrolux EHTA060 Installation And Operating Manual

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3. select the parameter dIn;
4. modify the parameter value and press the button "L" to
store the set value;
5. to exit the programming mode, press the "Wash cycle 3"
button.
H.3

Note for external dispenser

With external dispensers, it may be more useful to have the
parameters expressed in seconds, setting the parameter dun
to SEC=seconds. In this way the value of the parameters
represents the duration in seconds.
Listed below are special values usable when external auto-
matic dispensers are connected to the equipment:
• if dEt=181 the detergent dispenser only operates during
wash pump operation; terminals 7-9 of the main terminal
board are powered at the same time;
I
GENERAL SAFETY RULES
I.1

Introduction

The machines are provided with electric and/or mechanical
safety devices for protecting workers and the machine itself.
Therefore the user must not remove or tamper with such
devices.
The Manufacturer declines any liability for damage due to
tampering or their non-use.
• if dEt=182 the detergent dispenser only operates during
filling electrovalve operation for restoring the boiler level;
terminals 7-9 of the main terminal board are powered at the
same time;
• if rAi=61 the rinse-aid dispenser only operates during
filling electrovalve operation for restoring the boiler level;
terminals 8-9 of the main terminal board are powered at the
same time;
• if rAi=62 the rinse-aid dispenser only operates during
wash pump operation; terminals 8-9 of the main terminal
board are powered at the same time.
Example 1
Supposing that an external detergent dispenser has been
connected with a tank concentration measuring sensor, a
standard setting could be as follows:
– dun=SEC the parameter value is in seconds;
– dIn=0 the dispenser is not activated during filling of the
tank;
– dEt=181 the dispenser is activated during wash pump
operation and, according to the concentration of deter-
gent detected by the sensor, the correct amount of
detergent is dispensed.
Example 2
Supposing that an external rinse-aid dispenser has been
connected with a tank concentration measuring sensor, a
standard setting could be as follows:
– dun=SEC the parameter value is in seconds;
– rAi=61 the dispenser is activated at each wash cycle
simultaneously with operation of the filling solenoid valve.
In this way avoiding modifications to the wiring of the
machine.
Suggestion: to check the effectiveness of the rinse-aid,
look at freshly washed glasses against the light. Drops of
water remaining on the glass indicate an insufficient
amount while streaks indicate an excess.
NOTE!
For electrical connections, see the wiring diagram.
CAUTION
If changing to a different detergent/rinse-
aid type (even one by the same manufac-
turer), you must rinse the suction and
pressure hoses with fresh water before
connecting the new detergent/rinse-aid
container. Otherwise, the mixing of differ-
ent types of detergent/rinse-aid will cause
crystallisation, which may result in a
breakdown of the dosing pump. Failure to
observe this condition will invalidate the
guarantee and product liability.
I.2

Guards

The guards on the machine are:
• fixed guards (e.g. casings, covers, side panels, etc.), fixed
to the machine and/or frame with screws or quick-release
connectors that can only be removed or opened with tools;
• interlocked movable guards (door) for access inside the
machine;
• machine electrical equipment access doors, made from
hinged panels openable with tools. The door must not be
opened when the machine is connected to the power supply.
21

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