HaiLin Controls HL2023 Series User Manual

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

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

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:

Set-point range:

Display range:

Operation environment: 0～45℃

(non-condensing)

Key : soft touch

Beijing HaiLin Auto Controls Equipment Co., Ltd.

International Information Industry Basement, HuilongguanNorth, Changping District, Beijing

),mode ( ),fan speed (

) and temperature

E： auto-restart (Restart the working status of

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

Page 1 of 3

HaiLin Controls

blue backlit. Blank is invalid.

last 6 seconds before power off). Blank is

or Ventilation

AC 85～260V, 50/60Hz

or 1 x 2.5mm

Tel: +86 10 52816666

www.hailin.com

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Summary of Contents for HaiLin Controls HL2023 Series

• Page 1 HaiLin Controls 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.
• Page 2 HaiLin Controls 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 1 changed once. ℃.
• Page 3 HaiLin Controls Alarm Once the sensor fails, the thermostat will close the fan and valve, displaying “E1” or “E2”. E1：Sensor in short circuit alarm E2：Sensor in open circuit alarm。 It is displaying “HI” when the temperature is higher than 55 , displaying “LO” when the temperature is lower ℃.

This manual is also suitable for:

Hl2023da Hl2023dae Hl2023db Hl2023dbe Hl2023y Hl2023ye . Show all

Hl2023da2 Hl2023da2e Hl2023db2 Hl2023db2e Hl2023fcv2 Hl2023fcv2e