Product details
Product Description
The SZ-7556T Digital Temperature Controller is designed for HVAC/R and industrial cooling applications, offering precise temperature control with differential (hysteresis) operation. It ensures stable system performance by switching outputs based on set point and temperature variation.
This controller is a two-relay unit, allowing simultaneous control of compressor and alarm output. It features built-in alarm functionality for high and low temperature conditions, enhancing system safety and monitoring.
The SZ-7556T uses an NTC temperature sensor for accurate measurement and operates within a controlled temperature range suitable for panel air conditioners, oil coolers, and package AC systems. It also includes protection features such as compressor delay and power-on alarm delay to ensure safe and reliable operation.
With a touch-sensitive interface and compact panel mount design, the controller offers easy configuration and dependable performance in demanding HVAC environments.
Key Features
Differential (hysteresis) temperature control
Dual relay output (compressor + alarm)
Built-in alarm output for high/low temperature
NTC sensor input for accurate sensing
Compressor protection with time delay
Power-on alarm delay feature
Touch-sensitive interface
Compact panel mount design
Applications
Panel air conditioners
Oil coolers
Package AC systems
Industrial cooling systems
HVAC/R equipment
FAQs
Q1: What type of controller is SZ-7556T?
It is a differential temperature controller with dual relay output and alarm functionality.
Q2: How many outputs does it have?
It has two relay outputs for compressor and alarm control.
Q3: What applications is it used in?
It is commonly used in panel ACs, oil coolers, and industrial cooling systems.
Q4: What type of sensor does it use?
It uses an NTC temperature sensor for accurate temperature measurement.
