Trane RT-SVX19A-E4 - Manual (Page 51)

Operation
51 RT-SVX19A-E4
Unit start-up
Verification of gas valve settings -
(Reserved for the qualified gas
technician)
WARNING! Improper gas valve
setting may lead to burner
destruction and people injury.
Note: Unit factory-set for G20.
Figure 23 - Gas valve
1 = Negative pressure controller
2 = Safety solenoid valve
3 = Gas injector
4 = Air inlets
5 = To the burner
6 = Fan
7 = Gas unit
8 = Minimum gas pressure cut-out
Note: Unit to be installed outside
only.
Note: Expansion valve must be
adapted to the type of gas used:
• G 20: 20 mb
• G 25: 25 mb
• G 31 (Propane): 37 or 50 mb