TFTN 085-199 Installation and Operation Manual
39
Figure 9-3 TFTN285-399 Gas Valve Adjustment
(TFTN340-399 Illustrated)
Line Pressure
Test Port
Gas Valve
Remove access cover,
adjust from top.
Offset Screw
– used to set
combustion at Min Power (10%)
Use 2 mm hex wrench
Throttle Screw
–
used to calibrate
combustion at Max Power (100%)