HVACopediaRinnai · Wall furnace
00 Control mode setting 00 (factory default)
What the display is showing
Appears when the Economy + Up + Program buttons are held together for 2.5 seconds with the furnace plugged in and off. 00 is the factory default mode.
Applies to: Rinnai EX08DT, EX11DT, EX17DT, EX22DT direct vent wall furnaces
What to do
- Furnace plugged in but OFF, Set back feature OFF.
- Hold Economy + Up + Program for 2.5 seconds, then release: 00 shows.
- Press Up to move to 01 or 02.
- Press ON/OFF; the display goes blank and the mode is stored.
Settings for these units
Clearances to combustibles and service · EX DT
| Location | Clearance |
|---|---|
| Top | 0 in. (0 mm) |
| Bottom / ground | 0 in. (0 mm) |
| Front (panel) | 40 in. (1 m) - flooring or carpet under 1.2 in. (30 mm) high not included |
| Back (including back spacer) | 0 in. (0 mm) |
| Sides (left and right) | 2 in. (50 mm) |
| Service access | 10 in. (254 mm) sides; 40 in. (1 m) front; area above per figure |
| Exhaust extension pipe | 1 in. (25.4 mm) to combustibles; 0 in. to non-combustibles |
Rinnai recommends 10 in. (254 mm) at top and both sides for servicing.
Service clearance figure above the unit: 10 in. (254 mm) on EX08DT/EX11DT, 9 in. (229 mm) on EX17DT/EX22DT.
Models that show this code
5 models in EX DT
Other codes on the same units
- 01 Control mode setting 01 (remote thermostat mode)
- 02 Control mode setting 02 (control panel mode)
- 11 No ignition
- 14 Overheat (fusible link)
- 16 Room overheat (above 104°F / 40°C)
- 30 Overheat temperature thermistor 2 open circuit
- 31 Room temperature thermistor open circuit
- 32 Room temperature thermistor short circuit
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Source: Rinnai EX08DT/EX11DT Installation and Operation Manual (200000083) and EX17DT/EX22DT (200000084), Remote thermostat p.32. Summarized in our own words; check the original manual for your model.
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.