Olimpia splendid OS-CEBSH24EI, Instructions For Installation, Use And Maintenance Manual

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2.6 SYSTEM WATER REFERENCE VALUES
• pH: 6.5 to 7.8
• Electric conductivity: between 250 and 800 μ S/cm
• Total hardness: between 5 and 20 °F
• Total iron: below 0.2 ppm
• Manganese: below 0.05 ppm
• Chlorides: below 250 ppm
• Sulphur ions: absent
• Ammonium ions: absent
If the total hardness is above 20°F or some of the make-up water reference values are not within the indicated limits, contact our
pre-sales service to determine the treatments to be used.
Bore or groundwater not from the water supply system should always be carefully analysed and if necessary treated with appropriate
systems. If installing a softener, in addition to following the manufacturer’s guidelines adjust the hardness of the outlet water to
no lower than 5°F (also run pH and salinity tests) and check the concentration of chlorides at outlet after regeneration of resins.
In the case of possible freezing, empty the system and introduce an antifreeze liquid in a proportion that is appropriate for the
minimum temperatures that can be reached.
Solutions of water and ethylene glycol used as heat-transfer liquids in place of water cause a reduction in the performance of the
unit. Add a maximum of 35% of ethylene glycol (protection equivalent to as low as -20°C) to the water.
2.7 HYDRAULIC SYSTEM FILLING
Once the hydraulic connections are complete, the system must be lled. At the same time, the air inside the pipes and appliance
must be bled through the air breathers on the circuit and appliance.
Initially, with the water circuit empty, the machine must not be connected to the power supply.
Only in the nal phases of lling the hydraulic circuit can the machine be powered and the circulation pump started.
It is advisable to temporarily force the circulation pump for 15 minutes by activating parameter FPA (see sect. 3.4 Circulation
pump checks).
If an external auxiliary pump is used, this must also be started solely in the nal circuit lling phases.
The system operating pressure must not exceed 1.5 BAR with the pump off.
In any case, to test for system leaks raise the test pressure (maximum pressure 3 bar), then discharge it to reach the operating
pressure.
2.8 CIRCULATION PUMP RELEASE ( g. 22)
If during initial start-up, AL6 appears on the control panel display after starting the circulator, check that the system valves are
open, that there is at least one utility with the circuit open, that the external sieve lter is not clogged, that there are no air bubbles
in the circuit, that the system water pressure is correct and that the circulator is not blocked.
After removing the cause, clear the alarm by pressing the ON button on the control panel for 10 seconds ( g. 30 ey 8).
To release the circulation pump, turn its shaft as shown in g. 22, after having removed the cap.
2.9 ELECTRICAL CONNECTIONS ( g. 23, 24, 25, 26)
• The electrical connections must be made in compliance with the instructions given in the installation manual and with national
standards or procedures governing electrical connections; insuf cient capacity or incomplete electrical connections may lead
to electric shock or re.
• Warning: t K e po Z er circuits of t K e internal and e [ ternal units must be separate; t K e e [ ternal unit line must be
protected Z it K a t K ermomagnetic circuit brea N er or suitably sized fuses.
• Never use a power source to which another appliance is connected.
• For the connection, use a cable long enough to cover the entire distance without the need for intermediate connections; do
not use extension cables; do not apply other loads to the power supply, use a dedicated power supply (failure to do so may
lead to a risk of overheating, electric shock or re).
• For the electrical connections between the internal and external unit, use the speci ed types of cables; fasten interconnection
cables securely so that the respective terminals are not subjected to external stress using the cable grips inside the unit;
incomplete connections or fastenings may lead to overheating or re.
• After having connected the interconnection and power cables, ensure that the cables are not exerting any strain on the covers
or electric panels; t the covers on the cables.
• Should any refrigerant leak out during installation, aerate the area (if exposed to the ame, the refrigerant produces toxic
gas).
Ensure the power supply to the external and internal units is off before carrying out any operation.
For the electrical connections, see g. 23, 24, 25, 26.
The power voltage must be that stated in the technical features table.
The cable terminals must be equipped with leads with section proportionate to the connecting cables before being inserted into
the terminal board.