HaiLin Controls HL2023DA 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 ,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 and
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)
 White backlight ( -L, Optional )
 Key lock ( Optional )
 Auto-restart ( Optional )
SPECIFICATIONS
 Sensing element:
 Accuracy:
 Set-point range:
 Display range:
 Operation environment: 0～45℃
 Operating Humidity:
(non-condensing)
 Key :
soft touch
.
),fan speed (
）.mode(
HL2023
valve; DB2: Control
3-speed fan, when
NTC
 1℃
5℃ to 35℃
0～55℃
5 ～ 90%RH
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) and temperature
-
L： white backlight. Blank is invalid.
3-wire
E ： auto-restart (Restart the working status of
last 6 seconds before power off). Blank is
invalid.
the
LCD Display
 Working Status: Cooling
 Fan
、Med 、High
 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: 86.6×86.6×15.5 mm ( W × H × D )
 Hole pitch: 60 mm ( Standard )
 Protection Class: IP30
 Rated Power:  1W
, or Ventilation
AUTO
or
）
AC 85～260V, 50/60Hz
2
or 1 x 2.5mm
2
wires