Nako - Na-613d User Manual

Do not exceed relay contact ratings. Use an external contactor for high inductive loads (motors, compressors).

The alarm and hourly indicator chime must be manually enabled or disabled using key combinations:

Many models include a backlight activated by a top button for night viewing. nako na-613d user manual

The NAKO NA-613D is a generic controller; several resellers label it differently. For a complete original manual with schematics, contact your NAKO distributor or check the included CD/QR code from the original packaging.

In its normal operating state, the primary screen continuously outputs: Hours and minutes. Running Seconds: Small digits cycling from 00 to 59. Do not exceed relay contact ratings

Loosen or tighten the plastic knuckle screw on the back of the stand mechanism to adjust the viewing angle for optimal scannability while driving. Troubleshooting Common Issues The Screen Display is Faded or Weak

Feel free to ask if your buttons are labeled differently (like UP/DOWN/SET), as some newer versions have moved the controls to the back. The NAKO NA-613D is a generic controller; several

| Code | Function | Typical Range | Default | Notes | |------|----------|---------------|---------|-------| | F1 | Temperature setpoint (SP) | -50 to 120 | 5°C | Target temp | | F2 | Differential / Hysteresis (Hy) | 0.1–15°C | 2°C | Compressor stops at SP, restarts at SP+Hy (cooling mode) | | F3 | Sensor offset calibration (CA) | -10 to 10°C | 0°C | Adjust for probe tolerance | | F4 | Delay on start / anti-short cycle (dS) | 0–10 min | 3 min | Compressor protection | | F5 | High temperature alarm limit (ALH) | SP to 120 | 40°C | Alarm if temp > ALH | | F6 | Low temperature alarm limit (ALL) | -50 to SP | -10°C | Alarm if temp < ALL | | F7 | Working mode (Ct) | 0 or 1 | 0 | 0 = Cooling (reverse acting), 1 = Heating (direct acting) | | F8 | Defrost interval (dt) | 0–99 h | 0 | 0 = no defrost | | F9 | Defrost duration (dd) | 0–60 min | 15 | Only if dt>0 | | Fd | Exit menu | – | End | Set to "End" and press SET |

Press repeatedly until the desired alarm hour is reached. Ensure the AM/PM designation matches your intent if operating in 12-hour formatting. Press [S] . The alarm minute digits will start flashing.

Selects specific digits (hours, minutes, dates) to alter during configuration.