Installation / Operation Instruction Manual

48
Troubleshooting
RTG-K-199/160N/X2 – 6 720 813 642 (2022/06)
▶ Press the buttons or to adjust parameter value if
power bar level is out of range.
1)
Fig. 49 Air adjust - A1 parameter
▶ Press the button for 3 seconds and appliance assumes
value.
The value flashes as a sign of confirmation.
▶ Press the button to finish the A1 air adjust.
▶ Press the button or until the display shows "b1".
If b1 is blinking on the display,
▶ Wait until it stops.
▶ Press the button to enter b1.
▶ Open water faucet if display shows water faucet symbol,
see fig. 27, [4].
Display shows the parameter value blinking during
calibration.
▶ Wait until display shows b1 blinking as a sign of calibration
complete.
▶ Press button to finish the b1 automatic air adjust.
▶ Press the button or until the display shows E.
▶ Press the button .
Display shows P1.
Second step - Adjust the minimum power (P2)
Keep hot water faucets opened to adjust minimum power
(P2). The unit will ramp down to low fire and the water flow
should decrease automatically.
▶ Press the buttons or to select P2 (Minimum
Power) menu.
▶Press to enter P2 adjustment.
Display shows E.
▶Press or until L2 appears.
▶ Press the button to enter L2.
Display shows L2 value.
▶ Verify if power bar level is at middle point, see fig. 47.
▶ Press the buttons or to adjust parameter value if
power bar level is out of range.
1)
▶ Press the button for 3 seconds and appliance assumes
value.
The value flashes as a sign of confirmation.
▶ Press button to finish the L2 gas adjust (U1).
Parameter D2
▶ Only a qualified technician can change this parameter.
Gas and Air adjustment is complete.
8.11.3 Factory default settings
Restore factory values for P1 Max. Power
To restore factory values for combustion settings.
▶ Proceed with the following steps.
▶ Access to menu P1 Max. Power.
▶ Press symbols or to select rP reset parameters.
▶ Press the symbol to select rE.
▶ Press for 3 seconds.
▶Press the symbol .
The display blinks to confirm change.
▶Press the symbol .
The factory default values for P1 are restored.
Restore factory values for P2 MIN. Power
▶ Access to menu P2 Min. Power.
▶ Press symbols or to select rP reset parameters.
▶ Press the symbol to select rE.
▶ Press for 3 seconds.
▶Press the symbol .
The display blinks to confirm change.
▶Press the symbol .
The factory default values for P2 are restored.
1) Increasing A1 or L2 value will cause a decrease in power
bar level and vice-versa.