This product upgrades conventional mechanical pressure switches and gauges in refrigeration and air-conditioning systems with a digital solution, delivering enhanced functionality and convenience. Its innovative design allows for front-facing installation with pre-connected pressure piping. Developed with Seungil Electronics' proprietary technology and premium design, it offers highly accurate measurements through dedicated low- and high-pressure sensors. Enjoy greater cost-efficiency than analog devices and reduce installation time with an all-in-one digital system.

- Integrated high-pressure protection, low-pressure protection, and high-pressure fan control
- Supports automatic and manual reset functions with compatibility for various refrigerants
- Advanced functionalities include precise pressure control, sensor offset adjustment, sensor error detection, and reverse pressure detection
- Built-in communication module for real-time monitoring of sensing values and system parameters
- External transmission of sensed pressure values via 4–20mA output
- PID control support for capacity-variable compressors and outdoor unit fans with inverter drivers, using high- and low-pressure band control (PID control type)

Product [Series Name]		Pressure Switch Controller (SPC)
Power Supply [Allowable Range]		100-240VAC 50/60Hz [±10%]
Power Consumption		200mA
Display Device		3 Digit FND x 2ea, LED x 10ea
Input Specification	Input Range	Pressure 2ch (Refrigerant), -1.0~5.0Mpa, Accuracy: 0.5%
	Connection Standard	7/16 UNF Male
	Refrigerant Type	22, 134, 404, 407, 410, 507
Control Output		Relay 250VAC 1AM
Optional Specification	Current Output	4~20mA x 2ch, Load resistance lower than 500Ω
	Communication	RS485 x 1ch (MODBUS RTU)
Fan Multi Control		TRIAC Contactless Output, 2 Points
Control Method		ON/OFF Control (Standard) / BAND, P, PI, PD, PID Control (Option)
Operating Temperature & Humidity		-10~50℃, 20~90%RH, No-condensation
Storage Temperature & Humidity		-20~60℃, 5~95%RH, No-condensation
Protection Structure		IP33 (Standard), IP55 (Option)