Gas and Air Adjustments
PELLERIN MILNOR CORPORATION
Figure 4: 64058TG1 and 7272TG1x Combustion and Main Air Pressure Switches
Combustion Air Pressure
Switch
Main Air Pressure Switch (Fireye)
Main Air Pressure Switch (Landis & Gyr)
P
G
A
B
C
Legend
A.
Low combustion air
pressure switch
B.
Combustion air gauge
point
C.
Combustion air needle
valve
P.
Plenum air gauge point
G.
Plenum reference point
needle valve
H.
Main air needle valve
I.
Main air pressure switch
M.
Main air gauge point
FF.
Landis & Gyr flame
control reset
.
Figure 5: Mount manometer horizontally for
combustion air adjustment
Figure 6: Modulating gas valve Y
minimum adjustment
62
Содержание 7272TG1L
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