Work Mode; Schedule; Summer/Winter Function - ENGO CONTROLS EWT100 Operation And Installation Manual

3.1 Work mode

This option is used to switch on the respective modes of work of the controller according to user preferences. To change the work mode to select:
Main menu —> Work mode
• OFF - the controller turns off the heating circuit. The frost protection function remains active as long as it is enabled in the service menu. Activating
this work mode also turns off the heat source. The heat source is not turns off during active function heating buffer. • Auto - preset temperature in
the room changes according to the time program. In periods of „day" is setting Preset temperature. In periods of „night" is setting (Preset temperature
- Decrease of work mode). • Comfort - preset temperature in the room is constant and corresponds to the entered value Preset temp. • Economy
- preset temperature in the room is constant and corresponds to the entered value temperature (Preset temperature - Decrease of work mode). •
Auto-Eco - preset temperature in the room changes according to the time program. In periods of „day" is set Preset temperature. In periods of „night"
heating circuit is completely turns off. The frost protection function remains active as long as it is enabled in the Service menu.

3.2 Schedule

The time intervals allow the introduction of decrease preset temperature within a specified time period for the heating circuit and the turns on or
turns off heat source, eg. at night or when user leave the heated rooms. As a result, the preset temperature can be lowered automatically without loss
of heat comfort in the room. Activation of time intervals in:
Main menu —> Schedule
and select a time schedule for the heating circuit or heat source. Decrease night time for the heating circuit and the work of heat sources can be
defined separately for every day of the week: Monday - Sunday. Select the decrease of the preset temperature and the beginning and end of a given
time interval.
Working of decrease temperature in the time intervals are designated as „day" - this corresponds to the Preset temperature and „night" - corresponds
to the Decrease of work mode. Action at intervals for the heat source are marked as - heat source is turned on and - a heat source is turned off.
In the example below, a "night" period will last from 00:00 till 06:00. "day" period will last between 06:00 – 09:00. From 15:00 to 22:00 the "day"
period was entered. "night" period will last from 22:00 to 00:00.
An interval is ignored if the decrease value is set to "0", even if its range of hours was specified.

3.3 Summer/Winter function

The SUMMER / WINTER function is responsible for the automatic or manual turns on of heating. It also allows the loading of the HUW container in the
summer, without the need to heat the central heating system. Must set the parameter SUMMER mode = ON, in:
Main menu —> Summer/Winter —> Summer mode
In SUMMER mode, all heat recipients may be OFF, therefore, make sure the boiler will not be overheated. If the external temperature
sensor is connected SUMMER function can be turned on automatically using the Auto parameter, including temperature settings for the
Summer mode ON temp. and Summer mode OFF temp.
EWT100 FULL MANUAL
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