Installing Flame Control Solenoid (Natural Gas Only) - Heat & Glo Crescent II Owner's Manual

F. Installing Flame Control Solenoid
(Natural Gas Only)
1. Remove the screw and knob from the variable regulator
and discard.
2. Unscrew the nut from the regulator and discard.
3. Remove the bag containing a washer and blue and red
plungers from the side of the fl ame control solenoid.
Discard the red plunger.
4. Place washer on fl ame control solenoid (see Figure
12.4).
5. Insert the blue (natural gas) plunger into the fl ame
control solenoid (see Figure 12.4).
6. Thread the fl ame control solenoid with correct plunger
into the thread hole in the variable regulator. Turn one
to two turns only. Do not tighten or damage may occur.
7. Connect the two leads from the fl ame control solenoid
to the orange solenoid leads from the circuit board.
8. Install a manometer into the pressure tap.
NOTE: A manometer MUST be used to set the
manifold pressure on the gas valve.
GAS CONTROL
VALVE
WASHER
FLAME CONTROL
Figure 12.4
VARIABLE
REGULATOR
SOLENOID
Heat & Glo • Crescent II • 2083-902 Rev. U • 4/15
9. Light the fi replace as directed in the Owner's Manual.
10. Set the manifold pressure on the gas valve by rotating
the fl ame control solenoid. Adjust until the reading on
the manometer is 3.5 inches w.c. for natural gas.
11. Tighten the jam nut (see Figure 4) to the face of the
variable regulator body.
12. Turn the fi replace OFF.
13. Remove the manometer from the pressure tap and
screw the tap closed.
NUT
VARIABLE REGULATOR
WASHER
VARIABLE
REGULATOR
PLUNGER
KNOB
SCREW
SOLENOID
JAM NUT
41