Belimo EXT-HA-8023 Series User Manual

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, set-point temperature etc. Keys include on/off ( ),mode
( ),fan speed ( ) and temperature adjustment (   ).
BASIC FEATURES LCD Display
■ Room temperature setting
■ Manual or auto 3-speed changeover
■ Defrost (low temperature protection)
■ Blue back light
■ Key lock ( Optional )
■ Auto-restart
■ Working Status: Cooling
, Heating or Ventilation
■ Fan Speed（Low 、Med 、High
or AUTO）
■ FCU valve status
■ Room temperature display
■ Temperature setting display
SPECIFICATIONS
■ Sensing element:
NTC
 1℃
■ Set-point range:
5 to 35℃℃
■
Display range:
0～55℃
■ Operation environment: 0～45℃
■ Operating Humidity: 5 ～ 90%RH
(non-condensing)
■
Power supply:
AC 85～260V, 50/60Hz
■
Wirings: Accepting 2 × 1.5 mm
2
or 1 x 2.5 mm
2
wires
■ 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 ( S
tandard )
■ Protection Class: IP30
■ Rated Power: < 1W
■ Accuracy:
■
Key: Soft touch
OPERATION
■ On/Off: Press “ ” to turn on, press “ ” again to turn off thermostat and its output.
■ Setting temperature: Press “” to reduce set-point, press “” to raise set-point, and 0.5℃ changed once.
■ Mode Selection: Press “ ” to change system working in cooling “ ”, heating “ ” or ventilation “ ” mode, the
related icon will flash
■ Fan Speed Selection: Press “ ” to change fan speed among “ (Hi)”, “ (Med)”, “ (Low)” or “AUTO
(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.
EXT-HA-8023 Series
Thermostat
www.belimo.com
EXT-HA-8023 • en-ap • 2020-11-10 • subject to changes
1

Belimo EXT-HA-8023 Series Specifications

General

Brand	Belimo
Model	EXT-HA-8023 Series
Category	Thermostat
Language	English