Using The Timer; Using The Thermostat - Prem-I-Air EH1644 Manual

pressing once will turn the fan on and again will turn it off.
The heater will now operate at the desired power level till the set
temperature is reached, the unit will turn off and only turn on again if the
temperature drops below the set level.
Do not touch the air output grille when the heater is in operation, because
it will be hot and may cause burns.
If the unit is switched off at the panel or the mains supply the settings will
revert to their default values (Temp = 24°C, Timer = OFF, Heater = OFF).
Unplug the heater from the mains when not in use.

USING THE TIMER

To operate the unit on the 24 hour timer the unit must be plugged in and a
power setting, temperature selected. If the unit is turned off at any time
the clock will stop and reset. The timer is a simple count down timer and
will count down from the set time till zero (between 30min and 24 hours)
when it will turn off the heater. To set the timer press the Timer
Button then the Plus or Minus buttons to increase or decrease the required
operating time in 30 minute steps. The unit will then operate for the set
time, the timer on the display will count down to zero then turn off,

USING THE THERMOSTAT

The thermostat can be used to regulate the room temperature between
5°C and 37 °C.
Turn on the heater and set to maximum power and maximum temperature.
The heater will then operate at maximum output. When the desired
temperature is reached reduce the Temperature setting on the display by
pushing the Temp button and then the minus button till a click can be
heard. The heater will then switch on and off to keep the room at the
desired temperature. Either the "Eco-750W", "Comfort-1250W" or the
"Super-2000W" setting may be used.
If the temperature control is set to 5 °C, it will operate as a "frost-stat" and
switch the heater on if the temperature drops below 5°C, preventing
damage by frost.