Select Frost Protection mode when
programming, or
Access the Engineering menu (hold for 5s)
2. First time operation:
In order to turn the radiator on, press the Power button (4).
The first time the radiator is turned on it will ask you to set
the time and day. If this is not done immediately then you
can set it after you have set your
program. See step 6.
The Display will change from four dashes to show the
current room temperature and
one of five operation modes, this
image shows program mode.
3. Setting the Temperature
The Comfort temperature is set while the heater is showing
the current room temperature on the display with the ‘+’ &
‘-‘ buttons (3&2). Press and hold either the ‘+’ or the ‘-'
button to begin setting the temperature, once the set
temperature starts to increase or decrease on the screen
you can release the button and start pressing ‘+’ and ‘-‘ to
set the desired temperature. Once you let go of the button
for 2s the temperature setting is saved. Note: The Economy
mode set temperature is factory set to be 3.5
o
C less than
the comfort temperature –> this can be change in the
engineering menu, see step 9 part 1 -> Engineering Menu.
4. Keypad Lock
Hold ‘+ & ‘-‘ together for 5 seconds to lock or unlock the
screen.
5. Changing Operating Modes:
The Sun Ray Plus heaters have 5 operating modes.
To change between the different modes press the Mode
button (1), each press will advance through the modes in
the following sequence:
Comfort Mode:
Full time Comfort mode shows two full
rows of bars across the bottom of the
screen and a Sun on the upper right side
of the display. As shown here.
Economy Mode:
Full time Economy mode shows one full
row of bars across the bottom of the
screen and a moon on the upper right of
the display. As shown here. Economy
temperature is factory set at 3.5
o
C less than the Comfort
setting.
Frost protection Mode:
Full time frost protection mode is factory
set at 7
o
C and is not adjustable, it is shown by a snowflake
on the right of the display. As shown here.
Program mode:
Program mode shows the numbers 1 to
7 on the left hand side of the screen
with the user set programme for the
current day at the bottom of the screen. The current day is
indicated by the arrow pointing to the numbers on the left.
The current time is indicated by the 2 flashing bars at the
bottom of the screen. As shown here.
Central Control mode:
This mode is not used. It shows a
copyright symbol in the lower right
corner. As shown here.
Central
Control
(not used)
Comfort
Economy
Frost
protection
Program
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