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KAPPA V ECHOS AC IOM.pdf - Industrial Air

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6.7 HEAT RECOVERY EXCHANGER HYDRAULIC CONNECTIONS (OPTIONAL)<br />

For all units equipped with a recovery condenser, the relative hydraulic circuit connections are male threaded<br />

steel pipes (the diameter depends on the unit's size)<br />

The units are equipped with a probe that monitors the temperature of the water returning from the system. The<br />

microprocessor controller enables recovery when necessary, disconnecting the fans, and restarting regular operation<br />

once the water has reached the desired temperature.<br />

If faults occur on the recovery condenser the microprocessor controller restarts the fans.<br />

The calibration values of the thermostat and pressure switches are given in the relevant controller instruction<br />

manual.<br />

For units equipped with a recovery condenser:<br />

The water inlet and outlet must be connected to the recovery circuit<br />

in the positions indicated as labelled on the unit.<br />

DIAGRAM WITH 3-WAY VALVE<br />

IN<br />

It is mandatory to install a three-way modulating, valve with water<br />

temperature probe, on the inlet to the unit to ensure that, at steady<br />

state conditions, the inlet water temperature is not less than 30 °C.<br />

Refrigerant gas inlet<br />

Refrigerant gas outlet<br />

1 Condenser<br />

2 3 vay valve<br />

3 Circulating pump<br />

Figure 8<br />

Blue Box 30<br />

<strong>AC</strong>QUA RECOVERY RECUPERO WATER<br />

OUT<br />

Condenser water outlet<br />

Condenser water inlet

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