Page 1
Luna HT 1.650 Setup Natural Gas Setting Parameters: The editable parameters are those between 504 and 652. Proceed as follows to access these parameters: 1. Simultaneously press keys 1 and 4 on the QAA73 controller for approximately 3 seconds. The message “Initializing BMU parameters”...
Luna HT 1.650 Setup Natural Gas ALIBRATION Proceed as follows to enter “calibration mode” on the boiler control panel and calibrate the gas value: 1. Turn the control knobs 6 and (fig. 1) 7 fully counter-clockwise to their minimum positions as shown below.
Page 3
Luna HT 1.650 Setup Natural Gas 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”...
Page 4
Before lighting Boiler The following must be performed before calibrating the gas valve. 1. Turn the adjusting screw, or “V” screw (2.5 mm hex) Five complete revolutions 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.
Page 5
Luna HT 1.650 Setup Propane ALIBRATION Proceed as follows to enter “calibration mode” on the boiler control panel and calibrate the gas value: 1. Turn the control knobs 6 and (fig. 1) 7 fully counter-clockwise to their minimum positions as shown below.
Page 6
Luna HT 1.650 Setup Propane HT 1.650 S ETUP ROPANE...
DVANCED ARAMETERS Using the QAA73 temperature regulator, it is possible to enter into main board LMU34 parameters. En utilisant la commande distance QAA73 il est possible changer quelque param tres de la carte lectronique LMU 34. The editable parameters are those between 504 and 652 (parameters 650 and 652 are only reading parameters).