Enviro DV50DX NG, Руководство пользователя

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13
Maintenance And Service
b) Insert a
5
/
32
” or 4 mm Allen wrench into the
hexagonal key-way of the screw (see Figure 11),
rotate it counter-clockwise until it is free and
extract it.
c) Check that the screw is clean and if necessary
remove dirt.
d) Flip the screw (refer to Figure 12).
e) Using the Allen wrench as shown in Figure 11,
rotate the screw clockwise until a torque of 9 inch
lbs. WARNING! Do not over tighten the screw.
It is recommended that you grip the wrench by
the short side.
f) Verify that if the conversion is from NG to LPG,
the screw must be re-assembled with the red o-
ring visible (refer to Figure 13). If the conversion
is from LPG to NG, the red o-ring of the screw
must be not visible.
Figure 12: Flip valve
screw.
g) Re-attach the black protection
cap that was removed in step a
(Figure 10).
8. Reinstall the burner, brick panels,
log set, embers, and glass door.
Also refer to S
ECONDARY
I
NSTALLATION
- L
OG
S
ET AND
E
MBERS
I
NSTALLATION
.
When re-installing the burner,
ensure that the burner to pilot hood
Figure 13: O-ring on valve screw.
relationship is similar to what is shown in Figure 14. On some units you
will need to pay special attention when installing the burner that the
venturi adjustment rod is properly installed into the venturi adjustment
piece welded to the burner venturi tube
9. Reconnect the main gas line if it was disconnected and open the shut-off
valve at the gas line to the unit.
10. Use a small brush to apply a warm soapy water solution to all gas
connections (use a half dish soap and half warm water). If a gas leak
is present, bubbling will occur. Gas leaks can be repaired by using an
approved pipe thread sealant or approved Teflon tape. NEVER USE AN
OPEN FLAME WHEN TESTING FOR LEAKS.
11. Reconnect the electrical power to the unit.
Figure 11: Removing valve
screw.
7. Convert the SIT gas valve:
a) Remove the black protection cap from the HI/LO knob by hand shown in Figure 10.
Figure 14. Ignitor
assembly beside the
burner.
12. Relight the main burner in both the “HI” and “LO” positions to verify proper burner ignition and
operation and proper flame appearance. Also refer to S
ECONDARY
I
NSTALLATION
- L
OG
S
ET AND
E
MBERS
I
NSTALLATION
for a flame appearance picture.
13. MAKE SURE that the conversion label is installed on or close to the rating label to signify that the
unit has been converted to a different fuel type.