Installation and Operation Manual
TFTN 085-199
38
Figure 9-1 Placing the Boiler in Firing Rate Test Mode
(…Continued)
Figure 9-2 TFTN085-199 Gas Valve Adjustment
Verify Burner Power goes to 10% before proceeding with Min
Power combustion calibration (see Table 9-1).
Note
: Use the Offset Screw to adjust Min Power combustion
–
see
Figure 9-2.
Select
Press to Stop Test
upon completing the combustion
calibration procedure. Proceed to other menus by selecting
the Home or Back buttons.
Line Pressure
Test Port
Gas Valve
Throttle Screw
–
used to calibrate
combustion at Max Power (100%)
Use 4mm hex wrench
Offset Screw
– used to set
combustion at Min Power (10%).
Use T40 Torx wrench
