Industrial counter flow heat exchanger for telecom shelter c

For telecom projects and network solution:
W-TEL Heat ex-changer is a device that utilizes the natural cool resources to exchange heat between hot inside and cool outside of cabinet with limited power consumption. When there is large temperature difference, the device will effectively exchange heat between hot inside and cool outside through aisle from multi-layers and fins, which make the cabinet to be an enclosed system with temperature control, and equipment inside can work normally.
1. Alarm function
There are three alarm functions as below:
a) High temperature alarm: when the temperature of internal circling tuyere is higher than 60°C, high temperature alarm works.
b) Fan alarm: when the fans of internal & external circling stop working , the fan alarm works.
c) Low temperature alarm: when the temperature of internal circling tuyere is below -5°C, the low temperature alarm works. When the three alarms work , alarm indicator brights red.

2. Self Test function
When pressing TEST button,the green LED lights , but do not flicker. Heat exchanger is self testing for three minutes, than green LED is off.

3. Control Panel
There are 48V power port, MON alarm ports, three alarm indicators and one button in WS120F control panel.