nVent RAYCHEM HWAT ECO Mode D'emploi page 11

4.2. Programme start
language
selection
Connection check
country
selection
date input
Time input
Building type
programme
select cable type
plumbing settings
Test
programme start
select your language from the language menu.
the unit is automatically executing a
connection check. it will check the heating
cable connection, boiler sensor and pipe
sensor connection.
a connection of the unit to an external relay
needs to be confirmed by the user. Boiler sensor
and pipe sensor are optional connections.
if connected, they will automatically switch on.
Fine-tune the sensor inputs in the parameter
settings.The unit also operates in mode
without sensors.
select a country in this menu. your selection
will define the default values for time format,
pipe diameter and insulation thickness.
use the up/down arrow keys to select the year.
use the up/down arrow keys to set
the hour and minute.
The HWAT-ECO has 7 default timer pro-
grammes. select a programme by tapping on
the corresponding box (box will turn red).
select the installed Hwat heating cable.
default values are set for selected plumbing
set values. change the default values by
clicking on the arrow sign for each value and
enter a new value.
select the type of cable used in your
installation (HWAT-l,HWAT-m,HWAT-r).
selection range dn 15 up to dn 125.
the ambient temperature is the temperature
inside the room where the heating cable is
installed. use the +/- keys to select a
temperature from 10°C to 25°C. Clicking on the
"back" icon will store the value and show it in
plumbing settings. range: from 10°c to 30°c.
The maintain temperature is the water
temperature that you set for normal use. the
minimum temperature is 37°c or the economy
temperature, whichever is higher.
the maximum temperature depends on cable
type, pipe thickness, insulation thickness and
ambient temperature.
the economy temperature is the water temper-
ature for periods in which the amount of hot
water used is low
(at night) or high (peak period).
select the temperature using the
+/- keys. the minimum temperature is 37°c in
the programme kindergarten and 41°C in the
Apartments
programme. The maximum temperature is the
selected maintain temperature.
The test programme runs for 30
minutes, during which all parameters will be
ignored to check heating cable and connection
on site. you can stop the test programme at
any time.
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