Bosch Greentherm T9900 SE/i 199 - Gas Conversion

Operation instructions
53
Greentherm T9900 SE/i – 6 720 813 635 (2019/03)
▶ Touch the symbol .
Display blinks 3 times and return to P7 menu.
6.8.1 Gas conversion from NG to LPG
WARNING:
Fatal accidents!
Before any service or testing in the appliance,
▶ Turn off the appliance.
▶ Disconnect the power supply cord.
▶ Shut off the gas supply.
WARNING:
The gas type conversion must only be carried out by a qualified
contractor.
▶ Turn Off the appliance.
▶ Remove the front cover from the appliance (section 3.3.2).
▶ Remove the four screws that retain the cover plate to the
gas manifold, see fig. 48 (plate in grey color).
Fig. 48 Gas manifold
▶ Remove metal plate and seal.
▶ The 3 restrictor plates should be pre-assembled onto their
tray, but if loose in box, follow installation instructions, as
shown in Figs. 49 and 50 [1].
▶ Insert the LP conversion plate in the appropriate location
shown in Figs. 49 and 50 [2].
DANGER:
▶ All three flow restrictors and seal must be assembled
according to the Fig. 49, to assure correct appliance
performance.
Fig. 49 199kBTU appliance gas conversion kit
Fig. 50 160kBTU appliance gas conversion kit
▶ Tighten the four screws.
▶ Open the gas supply valve.
▶ Turn On the appliance.