English
Picture 14 – Pump purging
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CHILLER with pump: Switch to “On” position the main power switch and circuit breaker for the pump (pumps). All other
circuit breakers must stay in the “Off” position.
Picture 15 – pump breaker On
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CHILLER with pump: Main switch should be switched to the - l - (on) position and the pump (pumps) should be checked for
the correct rotation. (Please note that there is an arrow located at the back part of the pump for direction indication).
Reverse two phases R-S-T on the terminal board of the electrical box in case of incorrect rotation to restablish the correct
phase sequence. On chiller with phase check relay the control is automatic.
Picture 16 – Main switch ON
CAUTION!
The pump must not flat running or in inverse direction; therefore the checking of the correct rotation
must be quick
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Switch on the pump; the fluid level must always stay over the miminum level. After the water circuit has run for approx. 5
minutes, switch off the main switch and check again the visual level of the tank; refill the tank in case of need.
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