Forced Mode; Protection Operations In Cool And Dry Mode - Technibel REVE 247C Service Manual

7) Forced Mode

In this mode the system operates (COOLING or HEATING mode – fixed settings) or is switched off by
means of the OPERATION button on the front panel. The operation modes can be selected
pressing the button in a cyclic way (OFF
COOLING mode
SET POINT temperature = 25°C
FAN SPEED = HIGH
HEATING mode
SET POINT temperature = 21°C
FAN SPEED = HIGH
See also paragraph 15 for additional details.

8) Protection operations in Cool and Dry Mode

8.1 Freeze-up
This protection prevents ice formation on the indoor coil heat exchanger. The protection is activated by
the indoor coil temperature (ICT sensor) and only after 6 minutes of compressor operation. This
protection acts in 2 levels:
LEVEL 1
INDOOR FAN SPEED: ANY (as selected from remote controller)
COMPRESSOR: ON
OUTDOOR FAN: cycling (30 seconds ON
DRAIN PUMP: operates according to paragraph 17
LEVEL 2
INDOOR FAN SPEED: ANY (as selected from remote controller)
COMPRESSOR: OFF for at least 6 minutes and until ICT ≥ 8°C
OUTDOOR FAN: OFF for at least 6 minutes and until ICT ≥ 8°C
DRAIN PUMP: always ON ( stops when exiting the protection)
The system exit this protection routine when ICT temperature rises above 8°C.
COOL HEAT OFF...). The settings are:
30 seconds OFF).
15