In normal mode, the display shows the actual room temperature. To change the set point,
rotate the dial until the digital LCD displays the new set temperature.
Setting The Temperature
Display Icons
The Heatmiser DS1-EL has a lock facility. To lock the thermostat, press and hold down the
dial for 10 seconds. You will see a lock symbol appear. To unlock, repeat the steps above.
Heating ON
Keypad Locked
The Heatmiser DS1-EL offers 1, 2 and 3°C switching differential.
With a 1°C switching differential the heating will switch on 1°C below the set
temperature and will turn off when the set temperature is reached.
A 2°C will turn the heating on 2°C below the set temperature.
3°C will switch the heating on 3°C below the set temperature.
To set the differential, set the DIP switches according to the table below.
This setting is only required when the sensor option is set to Air and Floor mode.
The setting is used to protect the floor surface from overheating.
The floor temperature limit can be set to 20, 28 or 40°C.
To set the required floor limit temperature, set the DIP switches according to the table.
The thermostat has three modes of operation. Select the desired mode,
and set the DIP switches according to the table.
The DIP switches can be accessed from the back of thermostat.
Air Sensor: Uses the built in air sensor only.
Air Sensor & Floor Limiting Sensor: Uses the built in air sensor but also uses the
remote floor sensor to ensure the floor temperature doesn’t overheat.
Floor Sensor: Uses the remote floor sensor only.
Lock Facility
Switching Differential
Floor Temperature Limit
Sensor Option
1
2
1 °C Switching
2 °C Switching
3 °C Switching
20°C
28°C
40°C
Air Sensor
Air & Floor
Floor Sensor
1
2
3
1
2
3
1
2
3
Switch 1 & 2 OFF
Switch 1 ON and Switch 2 OFF
Switch 1 OFF and Switch 2 ON
Switch 5 & 6 OFF
Switch 5 ON and Switch 6 OFF
Switch 5 OFF and Switch 6 ON
Switch 3 & 4 OFF
Switch 3 ON and Switch 4 OFF
Switch 3 OFF and Switch 4 ON
2
2
2
3
3
3
1
1
1
Should the floor temperature be achieved (even if the desired room temperature has
not) the heating will turn off. The Heat Active Icon will flash in this case.
