Fronius CU 1800 - Switching on the Water Chiller; Switching off the Water Chiller

107
Switching on the
water chiller
Switch the ON / OFF switch on the rear
side of the water chiller to ON.
If the water chiller is switched on, the op-
eration panel displays the following states:
- The initial screen (HELLO) is displayed
for 8 seconds on the operation panel.
Then the display changes to the main
screen, which displays the cooling
liquid inlet temperature.
- Digital display SV shows the set value
of cooling liquid temperature.
- Digital display SV shows the actual
temperature of cooling liquid.
1. Press the button RUN/STOP.
► The RUN indicator LED lights up in green.
► The water chiller is switched on.
► The inlet ow temperature (PV display) is controlled to the set temperature
(SV display).
Switching o󰀨 the
water chiller
1. Press the button RUN/STOP.
► The RUN indicator LED ashes green.
► After approx. 15 seconds, the [RUN] lamp goes o󰀨 and the water chiller is
switched o󰀨.
2. Switch the ON / OFF switch on the rear of the unit to OFF.
IMPORTANT! Do not switch o󰀨 the main switch at the rear side, until the RUN
LED-indicator is not ashing again and the water chiller has switched o󰀨.
Otherwise, a malfunction (overheating) may occur.