Turn it on
- 1Touch 전원 (bottom right). The LCD and green 가동 lamp area come on.
Daesung Celtic DR-100 in English
A flat white Daesung touch panel with an LCD on top and six printed touch buttons below; up/down arrows change whatever is blinking.
What does each button do?
- 1Running lamp · 가동gadongGreen lamp lights when the boiler is heating. The LCD also shows 연소 (burning).
- 2LCD screen · 표시창pyosichangLeft number = 현재온도 (current temperature); right number = 설정온도 (your setting). Icons show mode (온돌/실내, 외출, 예약, 온수).
- 3Down · ∨araeLowers the blinking setting (temperature, hours or minutes).
- 4Up · ∧wiRaises the blinking setting.
- 5Heating / Away · 난방/외출nanbang/oechulEach press steps through heating, Away and hot-water-only. Also cancels the timer.
- 6Hot water · 온수onsuMakes the hot-water setting blink so you can change it with ∧ ∨.
- 7Timer / Set · 예약/설정yeyak/seoljeongStarts the repeating timer: first press sets the gap (1–12 h), second press sets the run time (5–60 min).
- 8Power · 전원jeonwonTurns the controller on or off.
What setting should I use?
Floor mode (온돌) at 60°C while home; timer 3 h / 20 min when out for the day in winter; hot water 45°C.
How do I…?
Heat the room to a set temperature
- 1Check the LCD shows 실내. If it shows 온돌: touch 전원 to switch off, then hold 예약/설정 and 온수 together for 5 seconds until it shows 실내.
- 2Touch 전원 to switch back on, then touch 난방/외출 until the heating icon shows.
- 3Touch ∧ or ∨ to set 22 (range 10–40°C). It saves by itself after a moment.
Use floor (ondol) mode
- 1If the LCD shows 실내: touch 전원 to switch off, then hold 예약/설정 and 온수 together for 5 seconds until it shows 온돌.
- 2Touch 전원 on, touch 난방/외출 until the 온돌 icon shows.
- 3Touch ∧ ∨ to set 60 (range 50–80°C).
Leave for a few days
- 1Touch 난방/외출 repeatedly until the 외출 icon shows.
- 2To cancel, touch 난방/외출 again.
Run on a timer
- 1Touch 예약/설정. The 예약 icon shows.
- 2Touch ∧ ∨ to set the gap: 1 to 12 hours.
- 3Touch 예약/설정 again, then ∧ ∨ to set run time: 5 to 60 minutes.
- 4Example: 3 h + 20 min = heats 20 min, rests 3 h, repeats. Heating water is fixed at 80°C during runs.
- 5To cancel, touch 난방/외출.
Hot water only (summer)
- 1Touch 난방/외출 repeatedly until the LCD shows only the hot-water setting.
- 2Heating is off; the boiler fires only when you open a hot tap.
Change the hot-water temperature
- 1Touch 온수. The hot-water setting blinks.
- 2Touch ∧ ∨: 37–45°C in 1°C steps, 45–60°C in 5°C steps.
- 3Touch 난방/외출 afterwards to go back to heating mode.
Turn it off
- 1Touch 전원.
What do the words on the screen mean?
| 현재온도 | Current temp | What the boiler measures now (floor water in 온돌 mode, room air in 실내 mode). |
|---|---|---|
| 설정온도 | Set temp | Your target. |
| 온돌 | Floor mode | Heats by floor-pipe water temperature, 50–80°C. |
| 실내 | Room mode | Heats by room-air temperature, 10–40°C. |
| 연소 | Burning | Boiler flame is on. |
| 외출 | Away | Heating off; freeze protection only. |
| 예약 | Timer | Repeating timer is active. |
| 점검 | Check | Shown with an error code when the boiler has a fault. |
What trips people up on this model?
- Switching between 온돌 and 실내 only works with the power OFF (hold 예약/설정 + 온수 for 5 s).
- The boiler only runs when 설정온도 is higher than 현재온도.
- After changing hot water, touch 난방/외출 or heating may stay off.
- In 외출 the boiler does not heat. Daesung boilers have built-in freeze protection (pipe water at 7°C or below triggers a run up to 40°C), but only while the boiler is plugged in and the gas valve is open.
It shows an error. Now what?
Faults show as a code plus the 점검 icon on the LCD. Note the code and call 1588-8577.
Service line (Korean): 1588-8577
