Turn it on
- 1Press 전원 (bottom right).
Navien NR-30S in English
A talking Navien controller with a blue screen, a dial with an OK button, and labelled buttons on both sides and along the bottom.
What does each button do?
- 1Speaker · 스피커seupikeoThis model speaks instructions out loud.
- 2Voice volume · 음성볼륨 (+ / −)eumseong bollyumSide wheel: turn it to change the voice volume. Turn it fully down to mute.
- 3Display · 표시창pyosichangShows the mode and the temperature being set (온수 희망온도 40°C here).
- 4Room-air heating · 실내난방silnae nanbangPress, then turn the dial to 10–40°C. The light above shows it is on.
- 5Floor heating · 온돌난방ondol nanbangPress, then turn the dial to 40–83°C floor-water temperature.
- 6Hot-water temperature · 온수온도onsu ondoPress, then turn the dial to 30–60°C. Hold 2 s for quick hot water (10 min).
- 7Hot water only · 온수전용onsu jeonyongNo heating. Choose a heating mode to undo. The green light below shows it is on.
- 8Dial · 다이얼daieolTurn it to change the blinking value.
- 9OK / confirm · OKOKConfirms a step, mainly in the timer setup.
- 10Heating power · 난방세기nanbang segiPress, then turn the dial to 약 / 중 / 강 (low / medium / high output).
- 11Timer · 예약yeyakSet 'every __ hours, run __ minutes'.
- 12Away · 외출oechulStops heating; hot water and frost protection keep working. Press again to cancel.
- 13Power · 전원jeonwonOn / off.
What setting should I use?
실내난방 at 21–23°C, 난방세기 중, hot water 45°C.
How do I…?
Heat the room to a set temperature
- 1Press 실내난방 (left, top).
- 2Turn the dial to 22.
Use floor (ondol) mode
- 1Press 온돌난방 (left, lower).
- 2Turn the dial to about 55 (range 40–83°C).
Leave for a few days
- 1Press 외출 (bottom). Its lamp turns on.
- 2Press 외출 again to return to the previous setting.
Run on a timer
- 1Press 예약 (bottom). The screen shows 'OO시간마다 OO분 가동'.
- 2Turn the dial to choose every how many hours (1–12).
- 3Press OK in the centre of the dial.
- 4Turn the dial to choose run minutes (10–50), then press OK. Example: every 3 h, run 20 min.
Hot water only (summer)
- 1Press 온수전용 (right, lower).
- 2To heat again, press 실내난방 or 온돌난방.
Change the hot-water temperature
- 1Press 온수온도 (right, top).
- 2Turn the dial to 45.
Turn it off
- 1Press 전원.
- 2In winter use 외출 instead, so the pipes stay protected.
What do the words on the screen mean?
| 희망온도 | Target temperature | The value you are setting. |
|---|---|---|
| 온수 | Hot water | The number shown is hot-water temperature. |
| OO시간마다 OO분 가동 | Every __ h, run __ min | Timer setting. |
| 빠른온수 | Quick hot water | Quick hot water is on; it ends after 10 min. |
| 약 / 중 / 강 | Low / Medium / High | Heating power level. |
| 버튼 옆 녹색 램프 | Green button lights | Show which mode or function is on (온수전용 in this photo). |
What trips people up on this model?
- In photo 66 the green light is on 온수전용, so the heating is off. Press 실내난방 to heat.
- OK is only needed for the timer. Other settings take effect as you turn the dial.
- If the voice is annoying, turn the side wheel all the way down.
It shows an error. Now what?
Note any code on the screen and call 1588-1144.
Service line (Korean): 1588-1144