EXT-HA-8023 Series Touch Pad fan coil unit thermostats are designed to control
the room temperature in air-conditioning fan coil unit system or dust pipe channel
system. EXT-HA-8023 series thermostats with microprocessor and big LCD display. It
shows the following items: working status (cool, heat or ventilation), fan speed,
room
temperature,
( ),fan speed (
) and temperature adjustment ( ).
BASIC FEATURES
■
Room temperature setting
■
Manual or auto 3-speed changeover
■
Defrost (low temperature protection)
■
Blue back light
■
Key lock ( Optional )
■
Auto-restart
SPECIFICATIONS
■
Sensing element:
■
Accuracy:
■
Set-point range:
■
Display range:
■
Operation environment: 0~45℃
■
Operating Humidity: 5 ~ 90%RH
(non-condensing)
■
Key: Soft touch
OPERATION
■
On/Off: Press "
■
Setting temperature: Press "" to reduce set-point, press "" to raise set-point, and 0.5℃ changed once.
■
Mode Selection: Press "
related icon will flash
■
Fan Speed Selection: Press "
(Auto)".
Under auto fan speed "AUTO", the fan-speed will be changed automatically. Auto LOW-speed When the difference
between room-temperature and set-point is 1℃; Auto MED-speed When difference is 2℃; Auto Hi-speed When
difference is 3℃.
■
Control Motorized Valve: If the differential temperature between room temperature and set-point exceed 1℃, FCU
valve will be open; if room temperature and set-point are equal, EXT-HA-8023 will close the FCU valve with
the fan still running.
www.belimo.com
EXT-HA-8023 Series
set-point
temperature etc. Keys include on/off (
NTC
1℃
5
to 35
℃
℃
0~55℃
" to turn on, press "
" again to turn off thermostat and its output.
" to change system working in cooling "
" to change fan speed among "
EXT-HA-8023 • en-ap • 2020-11-10 • subject to changes
Thermostat
LCD Display
■
Working Status: Cooling
■
Fan Speed(Low
■
FCU valve status
■
Room temperature display
■
Temperature setting display
Power supply:
■
■
Wirings: Accepting 2 × 1.5 mm
■
Switch current rating: Resistive: 2 A, Inductive: 1 A
■
Housing: PC + ABS Fire Retardant
■
Dimensions: 90×88×15.5 mm ( W × H × D )
■
Hole pitch: 60 mm ( Standard )
■
Protection Class: IP30
■
Rated Power: < 1W
", heating "
(Hi)", "
),mode
, Heating
or Ventilation
、Med
、High
AC 85~260V, 50/60Hz
2
or 1 x 2.5 mm
" or ventilation "
" mode, the
(Med)", "
(Low)" or "AUTO
or
AUTO
)
2
wires
1