Your thermostat is a programmable. It can automatically adjust the room tempe-
When start or after reset, the time is 00:00,
i, In normal operation mode, press to change
rature to a comfortable level when you are at home, and lower it to save energy
Sunday. To set the clock to current time (e.g.,
the current comfort setting to economy set-
when you go out or sleep. What you have to do is to program the thermostat so
11:23, Tuesday), press d 1 times, h 11 times
THERMOSTAT THERMO 091FL
that it knows when to raise the temperature. There are altogether nine programs
and m 23 times.
contained in the memory of the thermostat. Six of them are preset in the factory
The temperature is now set to economy mode.
and the remaining three are user changeable.
Note: When you press and hold the keys for 2 seconds, the day/time will change
This mode will be held until 23:00. (It is because
rapidly. Release when the desired setting comes.
the program for the day is PROG 1. At 23:00 the
temperature will change from comfort to econo-
my, which matches the override setting.)
3, View/Change temperature
If you want to change the temperature temporarily and do not want to alter the
Press Temp, and the thermostat enter View/Change temperature mode. The
programs you have set, you can simply touch a button to override the current
LCD will show the setting of the current temperature mode (☼, or ) which
Your new thermostat will serve your family for years and significantly save the
will be flashing. Press ☼ or to review or change the temperature. Press OK
energy cost. The large multi-data liquid crystal display allows you to operate the
to directly return to normal operation mode. Buttons used:
feature-rich design with a touch of a button. Before operating the thermostat, we
Caution: Switch off the electric source before installing the thermostat. We re-
hope you can read this manual thoroughly.
Timer hold is an alternative to manual override. Press and hold ☼ (or ) key for
commend that the installation be performed by trained personnel.
2 seconds, the hold time will appear. Press the key again to set the hold time.
Select a suitable location for the thermostat. The location of the thermostat can
BE FAMILIAR WITH YOUR THERMOSTAT
Press OK to return to normal operation mode. The maximum can be set is 24
greatly affect its performance. If it is located where air circulation cannot reach,
hours. In the hold period the temperature will not be affected by the program.
or exposed to direct sun light, it will not adjust the room temperature properly.
There is a sliding door on the right half of the thermostat. If you open the door,
i, In normal mode...
When timer hold is active, pressing the corresponding temperature mode key
To ensure proper operation, your thermostat should be installed at an inside wall
you can see some buttons. This door is removable for the replacement of
(e.g., ☼ if comfort mode is being held) will show the remaining hold time. The
with freely circulating air. Find a place where your family is usually occupied.
remaining hold time can also be changed by using the same key. If another
Avoid close proximity to heat generating appliances (e.g. TV, heater, refrigerator)
temperature mode key is pressed (e.g., if comfort mode is being held), the timer
or exposed to direct sunlight. Do not install near a door where the thermostat
hold will be cleared.
will suffer from vibration.
Temperature measurement range:
0---34.5°C (0.5°C step)
ii, Press Temp. The setting of comfort tempera-
Temperature control range:
5---30°C (0.2°C step)
ture is flashing:
Wiring terminals are at the back of the thermostat.
i, To change the current setting from comfort to
You can find two terminals labeled COM and NO. It is a
economy for 5 hours, press and hold for
typical single-pole, single throw (SPST) contact. In most
approxmiate 2 seconds. The hold time will
6 preset, 3 user-define
situations COM and NO are used.
0.5°C or 1°C
iii, To change, press ☼. For example, to change
Mounting the thermostat
to 20.0°C, press ☼ 5 times :
Heating or Cooling system
Using the template provided, drill two ø6mm holes in the wall. Insert the wall
Minimum air-con. cycle time:
anchors and tighten the left screw with 3mm clearance. Fix the thermostat by
ii, The hold time is 1 hour. Press 4 times to
230VAC 50Hz 5 (3) A
putting it over the screwhead and slide it rightward (note the keyhole-like opening
change the hold time to 5:
at the back of the thermostat). Tighten the remain screw to lock it in place.
2 x AA alkaline battery
Note: If the wall is made of wood, there is no need to use the wall anchors. Drill
iv, To review economy temperature, press ,
154 x 80 x 30 mm (W x H x D)
two ø2.7mm holes instead of ø6mm.
0 --- 40°C
USING YOUR NEW THERMOSTAT
-20 --- 60°C
The following procedures show how to operate the thermostat. It is recommended
iii, Press OK or just leave no key pressed for 15
5 --- 90% non-condensing
that you follow the instructions and try to operate once before connecting it to
seconds, the thermostat will return to normal
the heating or cooling system.
v, You can press key again to set the economy
temperature, or press OK to return to normal
i, A 'hand' appears when the current temperature mode is being overrode.
The thermostat is operated by two AA alkaline batteries. Please remove the front
SUN MON TUE WED THU FRI
ii, The setting will change rapidly by pressing and holding the keys.
cover and install two new batteries.
When the batteries are installed, your thermostat should be operating and you can
see the LCD active. If your thermostat does not work properly, please check the
5, View/Change Programs
i, The temperature setting range is 5° to 30°C.
batteries if wrong polarities, press the reset button by using a ball-point pen.
Press Prog, the program of the current day is ready to be changed.
ii, To lower the setting, enter View/Change temperature mode and press ☼ or
The LCD after start or reset:
Press Prog again to advance to the next day and the program of that day will
until it reaches 30°C and then the setting will return to 5°C. Continue to
1. Day of the week Indicator
pressing until the desired setting comes.
Press Prog# to change the program.
iii, The setting will change rapidly by pressing and holding the keys.
Program 6, 7 and 8 are user-define programs. You can use ☼ or to change
iv, Please note the temperature mode indicator. A ☼ means the comfort tempe-
the distribution of comfort or economy temperature and h to review the setting.
4. Program Number
rature is being viewed or changed. A indicates economy temperature. If is
Press OK to return to normal operation mode.
5. Program Profile Indicator
shown, it is defrost temperature. Defrost temperature is always at 7°C and is
6. Frost Protection
During stand by mode, the first press any key is to turn on the backlight.
7. Manual Override Indicator
v, It is not always necessary to use the OK key to return to normal operation
8. Output-On Indicator – will be displayed and rotates if the ouput is on. It will
mode. After 15 seconds of no key pressed it will automatically return to normal
disappear if the output is off
i, Temperature may not be 20°C as the diagram shown and the Output-On in-
9. Low Battery Indicator – will be displayed if the voltage of the batteries drop to
There are altogether nine programs available, as
dicator may activate after a few seconds, depending on different situations.
a certain level. Please change the batteries as soon as possible.
the diagram shown:
4, Manual Override
ii, Do not use a pencil to push the reset button. The graphite residue of a pencil
10. Cool mode
Program 0 is a special program. It will set the whole
Press ☼ to select comfort temperature. Press to select economy temperature.
can cause a short circuit and damage the thermostat.
11. Heat mode
day to defrost temperature (7°C). (If cooling mode
The current temperature mode will be overrode until the next set point of the
is selected, it will turn off the system. See Part 8,
program comes. Press OK to clear override. Buttons used :
2, Set day/time
Controlling a cooling system.)
To set day, press d. Similarly, press h to set hour and m to set minute.
You can see ☼ and on both the buttons and the LCD. ☼ means comfort tem-
Program 1,2, and 3 are some typical schedules of a
perature and means economy temperature. These two
day. You can select them if you find them suitable.
temperatures are user changeable. Furthermore, there is
Program 4 sets the whole day to comfort temperature
a fixed defrost temperature (7°C) indicated by on the
while program 5 sets it to economy.
LCD. Throughout the operation of the thermostat we will
Program 6, 7 and 8 are user-define programs. They
refer to them as comfort, economy or defrost temperature
can be modified to suit your need.
instead of numeric values.