Key facts
- Manuals
- 2
- Languages
- ZH
- Last added
- 2026-09-30
Featured NA manuals
NA NA320 Temperature Controller User Manual
The manual describes the NA320 controller’s main functions such as refrigeration control, defrost control, and external alarm handling, together with its technical specifications including temperature ranges, power supply, and output contact capacity. It also outlines the operating environment and sensor type required for proper use.
Detailed operation guidance covers panel indicator meanings, display codes, setting temperature limits and defrost cycles, manual defrost procedures, and advanced internal parameter adjustments. The document includes a wiring diagram, installation precautions, and safety recommendations for reliable operation. This manual is written in Chinese.
Covers: Main Functions and Technical Specifications · Operation Guide · Advanced Operation · Basic Working Principle · Wiring Diagram · Precautions
NA NA337 Temperature Controller User Manual
The NA337 temperature controller offers heating, cooling, and automatic mode conversion with fan and defrost control. It includes temperature display, setpoint range, and protection features such as compressor delay and phase‑loss alarms.
The manual details basic operation, advanced parameter adjustments for professionals, wiring diagrams, and safety precautions to ensure proper installation and maintenance. This manual is written in Chinese.
Covers: Main Functions and Technical Specifications · Operation Guide · Advanced Operations · Basic Working Principle · Wiring Diagram · Safety Precautions
Latest NA manuals
NA NA320 Temperature Controller User Manual
User Manual 2 pages · 394 KB · ZHThe NA320 Temperature Controller User Manual provides functions, technical specs, operation instructions, advanced settings, wiring diagram, and safety notes.
NA NA337 Temperature Controller User Manual
User Manual 3 pages · 446 KB · ZHThe NA337 temperature controller user manual provides operation instructions, technical specifications, and advanced settings for heating, cooling, and…
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in NA manuals
How do I set the temperature upper and lower limits?
Long‑press the “Set” key for 2 seconds to enter setting mode, then use the “5” or “6” keys to adjust the upper or lower temperature values.
What does the code “EE” on the display mean?
The display shows “EE” when the temperature sensor is short‑circuited.
What does the “EE” code on the display mean?
“EE” indicates a short circuit in the temperature sensor, while “‑EE” indicates an open‑circuit (sensor disconnected).
How can I start a manual defrost cycle?
Hold the “” key for 5 seconds to enter defrost mode; holding the key again for 5 seconds forces the defrost to end.