Operation; Quick Install; Program Start - nVent RAYCHEM HWAT-ECO-GF Mode D'emploi

4. OPERATION

The HWAT-ECO-GF has a resistive touchscreen user interface:
The unit will go in dim mode after 2 minutes with no interaction.
The unit will switch to the main screen after 2 minutes of no-interaction on
the parameter input screens.

4.1 Quick install

When the unit is powered up for the first time, a quick setup must be executed
before the unit is ready to start. The Quick start helps to set all important settings,
the unit will go in main screen mode automatically when done. Quick start is
sufficient for normal operations. More settings are available in the Setup menu for
special installation conditions.

4.2. Program start

Language
selection
Connection check
Country
selection
Date input
Time input
Building type
program
Select cable type
Plumbing settings
12 | nVent.com
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 and Voltage range (US) 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-GF has 7 default timer
programs. Select a program 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-R2.
Selection range 1/2" ( DN 15) up to 4"
( DN 100)
The ambient temperature is the temperature
inside the room where the heating cable is
installed. Use the +/- keys to select a
temperature from 50°F ( 10°C) to 77°F (25°C).
Clicking on the "back" icon will store the value
and show it in plumbing settings. Range: from
50°F ( 10°C) to 86°F (30°C).
The maintain temperature is the water
temperature that you set for normal use. The
minimum temperature is 98°F ( 37°C ) or the
economy temperature, whichever is higher.
The maximum temperature depends on cable
type, pipe thickness, insulation thickness and
ambient temperature.