Time And Date - Raychem HWAT-ECO Handbuch

3.3 Menu explanation
3.3.1 Language
Select one of 5 languages using the up/down arrow keys: English, German,
French, Danish or Italian. Press Enter to confirm your choice.

3.3.2 Time and Date

Select Year to set the year using the up/down arrow keys and press Enter
to confirm. Then select and set the Month, Day, Hour and Minutes.
3.3.3 Setup
When Lock is on (No star in the lower right corner) a password is needed
to access the following menus. After the correct password is entered the
setup menu is accessable. The unit locks again after 60 seconds timeout
(no keys pressed).
When lock is off the following menus are directly accessable.
1. Maintain Temperature
The maintain temperature is the water temperature that you set for normal
use. The temperature can be selected using the up/down arrow keys. The
minimum temperature is 41˚C or the economy temperature, whichever is
higher. The maximum temperature depends on cable type, pipe thickness,
insulation thickness and ambient temperature.
2. Economy Temperature
The economy temperature is the water temperature for periods during
which hot water is not usually tapped (at night) or when lots of hot water
is tapped (peak period). The temperature can be selected using the
up/down arrow keys. The minimum temperature is 41˚C and the maximum
temperature is the selected maintain temperature.
3. Cable Length
The minimum cable length is 1m. The maximum cable length depends on
cable type and circuit breaker capacity (see Fig. 1, page 10). Select from 1
to the maximum length for the selected cable type using the up/down
arrow keys. Press Enter to confirm your choice.
4. Ambient Temperature
The ambient temperature is the temperature inside the room where the
heating cable is installed. Select from 0˚C to 25˚C using the up/down arrow
keys. Press Enter to confirm.
5. Pipe Diameter
Set the pipe diameter using the arrow keys The value can be changed from
15 mm up to 100 mm. See Appendix 5.2, page 24 for more information.
6. Insulation
Set the insulation thickness with the arrow keys. The value can be changed
from 9 to 100 mm, but is limited by the pipe diameter. See appendix 5.2,
page 24 ('Pipe size, Insulation and Temperature') for more information.
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