HaiLin Controls HL2023 Series User Manual

HL2023 Series Thermostat User Manual
HL2023 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. HL2023
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 (
adjustment ( ).
MODEL DESCRIPTION
Y： Control damper to open or close
DA/DA2：DA: Control 2-wire valve; DA2: Control 3-wire valve,
When the temperature reaches the set-point, it will
close the valve with the fan still running.
DB/DB2: DB:Control 2-wire valve; DB2: Control 3-wire
valve ,When the temperature reaches the set-point,
it will close both the valve and fan.
FCV2： Control 4 pipe fan coil units, Control heating and
cooling valves
temperature reaches the set-point, it will close the
valves with the fan still running
BASIC FEATURES
Room temperature setting
Manual or auto 3-speed changeover
Defrost (low temperature protection)
Blue back light ( -L, Optional )
Key lock ( Optional )
Auto-restart ( Optional )
SPECIFICATIONS
Sensing element:
Accuracy:
Set-point range:
Display range:
Operation environment: 0～45℃
Operating
(non-condensing)
Key : soft touch
Beijing HaiLin Auto Controls Equipment Co., Ltd.
International Information Industry Basement, HuilongguanNorth, Changping District, Beijing
),mode ( ),fan speed (
and 3-speed fan,
NTC
± 1℃
5 to 35
℃ ℃
0～55℃
Humidity: 5 ～ 90%RH
) and temperature
HL2023 -
L：
E： auto-restart (Restart the working status of
when the
LCD Display
Working Status: Cooling
Fan Speed（Low 、Med
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
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HaiLin Controls
blue backlit. Blank is invalid.
last 6 seconds before power off). Blank is
invalid.
, Heating or Ventilation
、High
AC 85～260V, 50/60Hz
2
or 1 x 2.5mm
Tel: +86 10 52816666
www.hailin.com
or
AUTO ）
2
wires