Gorenje TC 80 Z Notice D'utilisation page 13

controlling unit switches on the compressor and the heat pump operates in normal
mode (symbols 16 and 20 are displayed). The heat pump is on, the screen remains
unlit and inactive.
In 60 seconds after the last touch of the screen, the illumination and activity of the
screen are turned off, but that does not affect the operation of the heat pump.
Pressing anywhere on the screen re-activates the screen and its illumination.
If trying to start up at a lower temperature, please see chapter "Operation at lower
temperatures".

By holding field no. 9, the heat pump is switched off. The appliance stops
functioning and the only field visible on the screen is field no. 9. (If you switch off
the heat pump for a longer period of time, the water must be drained from the pump
if there is any danger of freezing).
Power failure protection
In case of power failure, the settings remain stored for up to 23 hours.
After restarting, the heat pump operates in the same mode it was operating in before
the power failure.
Operation at lower temperatures
a) The ZNT version
When the appliance is switched on, the fan starts first and operates for one minute
(symbol no. 20 is displayed). If the temperature of inlet air is lower than -7 °C, the fan
is turned off. Domestic water is heated with heaters. The heat pump operates in the
reserve mode (symbol no. 14 is displayed). The possibility of switching to normal
mode is checked every 2 hours by switching on the fan for one minute. If the
temperature of inlet air is higher than -7 °C, the heat pump switches to normal mode
of operation (symbols 16 and 20 are displayed). The heaters switch off. The heat
pump is on, the screen remains unlit and inactive.
At lower air temperatures, the evaporator defrosting cycle is started if necessary.
Symbol no. 19 is displayed on the screen. The fields 2, 4, 6, 11, 13 and 15 remain
inactive. Defrosting takes place until the conditions for normal operation of the heat
pump are achieved.
After successful defrosting, the heat pump returns to normal operation (symbols 16
and 20 are displayed).
If defrosting is unsuccessful after two consecutive attempts, the controlling unit
displays an error message. Field no. 4 starts flashing, accompanied by warning
beeps. By pressing field no. 4 the warning beeps can be turned off. Error code E247
appears in field no. 12 and the pump switches automatically to heating with electric
heaters. The screen displays symbol no. 14. The error code can be deleted at any
time by pressing field no. 4. Field no. 12 resumes to displaying time.
b) The Z version
When the appliance is switched on, the fan starts first and operates for one minute
(symbol no. 20 is displayed). If the temperature of inlet air is lower than 7 °C, the fan
is turned off. Domestic water is heated with heaters. The heat pump operates in the
reserve mode (symbol no. 14 is displayed). The possibility of switching to normal
mode is checked every 2 hours by switching on the fan for one minute. If the
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