Goodman GMVM - Page 70

70
SERVICING
Upflow Model Shown
For representation only. Actual unit may vary in appearance.
MODULATING FURNACE PNEUMATIC TUBING DIAGRAM
Black Tee
MUST
be left open
Low & High Pressure Switch Assembly
with “H” Fitting
+ Port is Open
to the Atmosphere
Front Cover
Pressure Switch
Negative (-)
Port on Gas Valve
Modulating
Gas Valve