HaiLin Controls HA202 Manual de usuario

HA202 Thermostat User Manual

HA202 is an electronic and very easy manipulated thermostat specially for

heating system, with relay to control electric thermal heating valve open and

close. When temperature is 2lower than set point, electric thermal heating

valve will be open while LED light tells the working state, LED light shows orange

color. When room temperature reaches set point, electric thermal heating valve is

closed as LED light shows red color, while the thermostat is still working. When

turn the knob to OFF, thermostat will power off with LED light power off. This

function makes thermostat safe and saving energy.

BASIC FEATURES

Room temp. Setting

Control electric thermal heating valve on/off

LED indicates working state

SPECIFICATIONS

Set-point range: 5



30

Switch current rating: Resistive: <3 A

Inductive: <0.5 A

Power: AC 220V



10%, 50/60Hz

Size: 8





33 mm ( W



D )

Hole pitch: 60 mm ( Standard )

OPERATION INSTRUCTION

Set point: turn the adjusting knob to the desired temperature.

Control of N/O electric thermal heating valve: when room temp reaches the set point, turn off electric thermal

heating valve (or electric valve) automatically; when temp is lower 2than set point, turn on electric thermal heating valve

(or electric valve) automatically.

Control of N/C electric thermal heating valve: when room temp is lower 2than set point, turn on electric thermal

heating valve (or electric valve) automatically; when temp reaches the set point, turn off electric thermal heating valve (or

electric valve) automatically.

Control of power supply for thermostat: When turn knob to OFF, LED red light turn off, power supply of thermostat

is turn off.

Meaning of double color LED light: LED with red light, tells thermostat stand-by; LED with orange color while red

light, green light turn on simultaneously, tells thermostat is working.

WIRING DIAGRAMS

Power OFF

LED light

Temp. Scale

Temp. knob



NC Valve

NO Valve

AC 220V 50/60Hz

L N

202

hermostat

MOUNTING

APPLICATION

Note: Be sure to connect all the wires as per the wiring diagrams and keep it away from water,

mud and other material so as to prevent the unit being spoiled!

1. Open the thermostat. 2. Connect the wires follow the

diagram.

3. Fix the base with screw. 4. Install the cover and

knob.

Hot water pipe

Thermostat

Floor heating or radiator

Room

Electric valve

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