EPH Controls CDC2 Installation And Operation Manual page 21

When activated the thermostat will allow the heating system time to
reach the target and delay start will remain inactive until it reaches this
target.
Delay start can be reactivated by:
1. Press to lower the target temperature below the current
temperature.
2. Press and
3. Press to increase the target temperature above the zone
temperature within 6°.
4. Press to confirm.
The heating will be delayed as per the graph on page 18.
If the difference between the actual temperature and the target is 1°C
the thermostat will delay starting for circa 40 minutes.
If the difference between the actual temperature and the target is 3°C
the thermostat will delay starting for circa 24 minutes.
If the difference is 6°C or more then the thermostat will be switched on
immediately.
The time delay will change if the temperature drops from the original
calculation.
to set the temperature.
EPH Controls Ltd.
19