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Water Valves Calibration; Gas Type - Bosch Greentherm T9900 SE 160 Installation And Operating Instructions Manual

Indoor residential tankless water heaters, 160 000/199 000 btu- natural gas 160 000/199 000 btu - liquefied petroleum lp gas
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Operation instructions
ML Model
▶ Touch the symbol
Display shows appliance model.
– Indoor
▶ Touch the symbol
▶ Touch symbols
or
TP Type
▶ Touch the symbol
Display shows appliance model.
– Residential
▶ Touch the symbol
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

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).
6.7.1 MF main water valve auto calibration
▶ Open one hot water tap.
Before moving to the next step:
▶ make sure there is water flow.
▶ Access menu PA.
52
.
to exit.
to scroll through other menus.
.
to exit.
.
▶ Touch symbol OK.
▶ Touch symbols
or
▶ Touch symbol OK.
The appliance will start the auto calibration of main valve.
Water flow will shut-off.
▶ Wait until indication of calibration completed appears on
the screen.
▶ Touch the symbol
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
valve.
▶ Touch symbol OK.
The appliance will start the auto calibration of the bypass
valve.
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.
▶ Touch the symbol
6.8

Gas type

Only possible after access Technical Settings menu.
▶ Access to menu P7 Gas Type.
Display shows appliance gas type.
▶ Use the symbols
WARNING:
The gas type conversion must only be carried out by a qualified
contractor.
Greentherm T9900 SE/i – 6 720 813 635 (2019/03)
to select MF main valve.
to return to main menu.
to select BP bypass water
to return to main menu.
or
to confirm gas type.

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This manual is also suitable for:

Greentherm t9900 se 199Greentherm t9900 se/i 199