Bosch Greentherm T9800 SEC 199 - Water Valves Calibration; Gas Type

6 720 816 815 (2018/08) Greentherm T9800 SE 160/199 | SEC 199
48 | Operating Instructions
AB Region Selection
▶ Touch the symbol .
Display shows following menu.
– Europe
– North America
A4 Demonstration
Simulates in the display, the appliance is functioning.
(Only available when burner is not working)
6.7 Water valves calibration
6.7.1 MF main-water valve auto calibration
▶ Open one hot water tap.
▶ Access menu PA.
▶ Touch symbol OK.
▶ Touch symbols or to select MF main valve.
▶ Touch symbol OK.
The appliance will start the auto calibration of main valve.
▶ Touch the symbol to return to main menu.
6.7.2 BP bypass valve auto calibration
▶ Open one hot water tap.
Flow rate between 0.80 GPM and 1.80 GPM is required.
It's possible to confirm this value by entering BP bypass-
water valve menu.
▶ Access menu PA.
▶ Touch symbol OK.
▶ Touch symbols or to select BP bypass-water
valve.
▶ Touch symbol OK.
The appliance will start the auto calibration of the bypass
valve.
▶ Touch the symbol to return to main menu.
6.8 Gas type
▶ Access to menu P7 Gas Type.
Display shows appliance gas type.
▶ Use the symbols or to confirm gas type.
▶ Touch the symbol .
Display blinks 3 times and return to P7 menu.
6.8.1 Gas conversion from NG to LPG
▶ Turn Off the appliance.
▶ Remove the front cover from the appliance (section 3.3.2).
Water valve calibration must be done when
main water valve or bypass valve is replaced.
Also required when electronic control unit is
replaced.
The water valve calibration process takes
several minutes.
▶ Do not interfere with the appliance.
Only possible after access Technical
Settings menu ( section 6.6).
Before moving to the next step,
▶ Make sure there is water flow.
Water flow will shut-off.
▶ Wait until indication of calibration
completed appears on the screen.
The display shows the flow rate.
▶ You should adjust the flow rate at the
beginning of the calibration process.
▶ Wait for the indication that the
calibration is completed to appear on the
screen.
Only possible after access Technical
Settings menu.
The gas type conversion must only be carried
out by a qualified contractor.
DANGER: Fatal accidents!
Before any service or testing in the
appliance,
▶ Turn off the appliance.
▶ Disconnect the power supply cord.
▶ Shut off the gas supply.
The gas type conversion must only be carried
out by a qualified contractor.