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6 Models 369/370/371
Safety pressure switch warning light (C)
To operate the unit:
1 - Set the power switch to I position.
2 - Set the mixer/refrigeration switches as follows:
- to the I position to get soft drink.
- to the II position to get Granita.
3 - Set the light switch to I position.
5. 2 OPERATION HELPFUL HINTS
1 - Granita viscosity adjustment: proper Granita viscosity is
factory preset. If an adjustment is necessary, use a
standard screwdriver to turn the adjustment screw
clockwise to increase viscosity and counterclockwise to
decrease viscosity (see figure 4). When adjusting the
viscosity for a thicker product, the viscosity indicator (Item
F) will lower. When adjusting viscosity for a thinner
product, the indicator (Item F) will rise.
figure 4
2 - Beverage temperature adjustment: proper beverage
temperature is factory preset. To reset, turn the knob
located in each switch box as follows:
- clockwise to decrease temperature.
- counterclockwise to increase temperature.
Note: Beverage temperature is controlled by the
thermostat only when the mixer/refrigeration
switch(es) are in I position, (Soft Drink mode).
3 - When the mixer / refrigeration switch(es) are set in the I
position, Soft Drink mode, it is possible to manually stop
the refrigeration by turning the thermostat knob
counterclockwise until it clicks.
4 - The length of time for freeze down of Granita is governed
by many variables, such as ambient temperature, mix
initial temperature, sugar content (Brix level) and viscosity
setting.
5 - To shorten Granita recovery time and to increase
productivity, it is advisable to pre-chill the product to be
used in the dispenser.
6 - To shorten Granita recovery time and to increase
productivity, the bowl should be refilled after the product
level drops lower than half of the evaporator cylinder and
at the start of each day.
7 - For good product conservation the dispenser must run
overnight, in the Soft Drink mode.
If this is not possible and product is left in the bowls
overnight, the mixer/refrigeration switches must be set to
the I position at least one hour before the unit is switched
off. This eliminates any block of iced product forming
overnight, which could result in damage to mixers or to
their motor when the unit is switched back on. In any case,
before the unit is restarted, make sure that no blocks of ice
have been formed; if so, they are to be removed before the
unit is switched on. Overnight operation in drink mode also
eliminates possible ice accumulation from condensation
around the bowls.
8 - Mixers must not be turned off when frozen product is in the
bowl. If not agitated, the product may freeze to a solid
block of ice. If the mixers are turned back on, damage to
the mixers and their motor may result. Therefore, mixers
may be restarted only after product is melted.
9 - The dispenser is equipped with a magnetic coupling by
which the gear motor (located outside the bowl) drives the
mixers (inside the bowl).
The magnetic drive operates as an “intelligent clutch” able
to automatically disconnect the mixers in case they are
obstructed by ice or other obstacles.
An intermittent dull noise will alert the operator that mixers
are obstructed.
In this case, it is necessary to unplug the unit immediatly,
empty the bowl and eliminate the obstacle.
10 -The dispenser must be able to emit heat.
In case that seems excessive, check that no heating
source is close to the unit and that air flow through the
slotted panels is not obstructed by wall or boxes. Allow at
least 15 cm (6”) of free clearance all around the dispenser.
If the product in the bowls is frozen and the safety
pressure switch warning light is OFF, the unit is running
properly.
11 -Restrictor cap. When the unit is used in Soft Drink mode it
is advisable to install the restrictor cap on the faucet outlet
in order to reduce the flow of liquid from the dispenser (see
figure 5).
figure 5
5. 3 CLEANING AND SANITIZING
PROCEDURES
1 - Cleaning and sanitizing of the dispenser are
recommended to guarantee the conservation of the best
product taste and the highest unit efficiency. This section
is a procedural guideline only and is subject to the
requirements of the local Health Authorities.
2 - Prior to the disassembly and cleaning, the machine must
be emptied of product. To do this proceed as follows:
- set the power switch to I position
- set mixer/refrigeration switch(es) to I position (Soft Drink
mode)
- place a pail under each faucet and drain all product from
bowls
- set all control switches to the 0 position
5. 3. 1 DISASSEMBLY
1 - Remove cover from the bowl.
2 - On 369 MODEL remove the lateral tray by lifting its outer
Warning light ON : insufficient ventilation
ATTENTION
Before any disassembly and/or cleaning procedure
disconnect the unit from the power supply.
Failure to comply could result in electrical shock.