Baxi Luna HT 1.650 Setup page 3

Resetting the HT 1.650 for Natural Gas
The following must be performed before calibrating the gas valve.
1. Turn the adjusting screw, or "V" screw (2.5 mm hex) on the gas valve all the way clockwise until the
"V" is bottomed out. Then turn the "V" screw eleven complete revolutions counter clockwise.
2. On the QAA73 controller, which is connected to terminals 4 & 5 on the M2 bus terminal, set
parameters 608 to 24% and parameter 611 to 2000 rpm.
B L HT 1.650 S
AXI UNA ETUP
Luna HT 1.650 Setup Natural Gas
N G
ATURAL AS