R3386-Shanghai SMLG Thermostatic Technology Co., Ltd.


  • R3386
  • R3386

    Instruction Sheet

    The R3386 touch screen Thermostats are designed for intelligently control fireplace boiler electric motorized valve heating systems in industrial, commercial and residential environment. It adopts the latest capacitance touch pad technology easy to operate. White color makes it more purity and elegant which reveals the natural feature. 6 events per day could be programming by yourself. The unique two-ways controlling on temperature feature extends the thermostat's lifetime, and makes the whole system more reliable, efficient, and security.

​Product Description

Model Selection


Technical Data

Self-power Consumpction:<1.5WTime Error:<1%
Power Supply:AC 200-240V 5O/6OHZLoad Current:GA: 1A           GB: 16A
Temperature Range: 5℃- 35℃Accuracy:±1℃
Size:86mm x 86mm x 16mm(H×W×T)



Key Function and Operatoin

"1627540482661352.jpg" :Manual mode. Setting temperature or switch outputs by manual.

"1627541026361054.jpg": Locked status. Keeping pressing “▲”“1627538387864706.jpg" key for 5 seconds to lock/unlock the LCD screen.

"1627541091389057.jpg": Heating mode.The icon will keep lighting when the load is runningon under normal working status, or when the load is turned onautomatically in the anti-frost protection feature under the poweroff status.When it is twinkling, the load will be cut off automaticallydue to overheating (the floor temperature exceeds the maximumlimited temperature).

"FLOOR":Floor temperature (the external sensor that set in the floor to detect the temperature). It will be enable when the sensor type is switch to “AL” in Advanced Options. Keeping pressing"▲" key for 3 seconds to display the floor temperature. Release the key, the previous display will return in 3 seconds.

Menu Function and Operation

"1627538095187539.jpg": Power on/off, press this key to turn on/off system.

"M": Mode/Menu.

"1627540551185834.jpg": Clock Programming Key. Pressing"1627540551185834.jpg" to set the clock.Operationsequence: Clock minute adjusting→ Clock hour adjusting→Weekadjusting →Return to the original state.Keeping pressing"1627540551185834.jpg"for 3seconds to check temperature curve parameters.

"1627538376863315.jpg":Temperature up or adjust parameter.

"1627538387864706.jpg":Temperature down or adjust parameter.



1627541920546720.jpgvalve onvolff in above figure refer to the wiring of the valve on wire and the walve off wire in thethree-way motorized valve. if the connected cvice is the twoway motorized valves or othertwo-mwire devices, the valve will be tumed on when it connects with the normally off two-wayrTotorized valve ar two-wire devices.Otherwise, the valve will be tumed off when it connectswith the normallry on twa-vay motorized walve oe two-wire dewices.

Note: Above are just for reference. subject to the actual wiring diagram on the back side of Power Unit.