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13.3 CLEANING OF THE CIRCUIT
WARNING!
In the case of engine burning,
with perforation of the windings, it is necessary
thoroughly clean the refrigeration circuit to avoid
subsequent burns or breakdowns.
The purpose of cleaning is to eliminate
all carbon or other solid state deposits e,
according to the method used, they must be
eliminated vall the contaminants that have been
introduced for the circuit cleaning or by effect
of the operations carried out.
WARNING! Do not inhale refrigerant vapours
coming from burned compressors, as it can
be in the presence of toxic products. Avoid
altogether contact with the skin of residual
compressor oil burned, as it is generally acidic.
13.4 REFRIGERANT CHARGE
WARNING! For no reason the refrigerant gas
in the liquid state it must be charged on the suction
side
on the compressor as this condition involves
damage to the compressor.
The operations to be performed are the following:
- connect the cylinder (or charging cylinder) to the
SAE 1/4 pipe system and connections
swivel female at the pressure point in the
liquid side of the air / refrigerant gas heat
exchangers;
- insert refrigerant in the liquid state:
a) until the required charge is reached;
b) until the balance is achieved
pressures between cylinder and refrigerant circuit;
- start the appliance and, if necessary,
insert the remaining refrigerant until
achievement of the prescribed values.
The charge tuning operation goes
made using the suction socket of the
compressor, inserting the refrigerant to the state
liquid gradually;
- check the refrigerant charge.
WARNING! Make sure the tools used
are in good condition and suitably ta
13.5 VERIFICATION OF OVERHEATING
- read the temperature value in the pressure gauge,
in correspondence of the detected pressure value.
The temperature read by the thermometer must be
greater than the temperature read on the gauge of a
value between 3 ° C and 8 ° C for operation
in cooling mode, between 1 ° C and 5 ° C for
operation
in heating mode.
14. CLOCK INSTRUCTIONS
WEEKLY PROGRAMMER
14.1 DESCRIPTION
The programmer is equipped inside with a
rechargeable lithium battery that allows you to
save time and schedule for about 5 years,
even without mains power supply. During the
normal operation, the display shows the day
of the week and the current time, in addition to the
status of
operation in which the presence of the symbol of a
light bulb indicates that the appliance is switched on.
14.2 OPERATING INSTRUCTIONS
The functions of the keys, with reference to fig. 9, are
the following:
1) Time setting:
Press the clock symbol at the same time as
symbol D +, to adjust the day of the week.
To set the time, press the clock button
simultaneously with H +.
To set the minute, press clock
simultaneously with M +.
2) Gear / programming switch: Press
the "MANUAL" button to switch between the
position "ON" "AUTO" and "OFF".
3) Key "P" for selecting the programs of
Power on / off.
4) "H +" button for progress and time selection.
5) "M +" button for advancement and selection of
minutes.
6) Key "D +" of progress and selection of days
Weekly.
7)
Tasto
Key to change the time and day of
week and to return to the current time when you are
in "PROGRAMMING" mode.
14.3 SETTING THE DAY AND THE CURRENT
TIME
To allow the correct operation of the programmer
must set day and time currents acting as follows:
- start the appliance;
- insert into the pressure outlet, positioned in the
large tube near the compressor,
the low pressure gauge for the measurement of the
pressure;
- wait for the values to stabilize for around 20
minutes;
- measure the temperature value on the pipe
large (steam phase), near the
pressure connection using a special one
contact probe;
