Valve Replacement - FPI U32-LP4 Owners & Installation Manual

MAINTENANCE

VALVE REPLACEMENT

1) Shut off the gas supply.
2) Remove the louvers (and bay door if it is
on).
3) Open the fl ush door and remove the door.
4) Remove the logs and brick panels.
5) Remove the grate by loosening the two
screws and sliding the grate out.
Grate screws
6) Remove the burner assembly by removing
the 2 screws and lifting it out.
7) Remove the 2 screws holding the Air Intake
Hood to the rear fi rebox wall and lift out.
8) Disconnect the inlet gas line.
9) Disconnect the TP wire, the TH wire, and
the TH/TP wire from the valve.
10) Remove the 11 Phillips head screws securing
the valve tray in place. and then lift the entire
assembly out.
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11) Push the valve assembly to the left and lift
the entrire assembly out.
12) Remove the valve by removing the 4 screws
in the base of the valve tray.
13) Undo the pilot tube from the valve with a
7/16" wrench.
14) Undo the quick drop out thermocouple nut
on the valve with a 9mm (metric) wrench.
15) Undo the "gas out" fl are nut with a 13/16"
wrench.
16) Undo the "gas out" fl are fi tting with an 11/16"
wrench.
17) Remove the valve mounting brackets.
Hint: If you are using black pipe, ensure that
there is a union by the valve, otherwise removal
will be almost impossible.
INSTALLING VALVE
1) Re-attach the valve mounting brackets to
the valve.
2) Reconnect the "gas out" fl are fi tting with an
11/16" wrench.
3) Reconnect the "gas out" fl are nut with a .
13/16" wrench.
4) Reconnect the quick drop out thermocouple
nut with a 9mm wrench.
5) Reconnect the pilot tube nut with a 7/16"
wrench.
6) Re-attach the valve mounting bracket to the
valve tray.
7) Scrape off the old gasket from the fl oor of
the fi rebox and from the valve tray.
8) Install a new gasket and reinstall the
valve assembly.
Note: Failure to install a new gasket may
severely affect the appliance performance.
9) Reinstall the 11 hold down screws.
10) Hook up the TP, TH, and TP/TH wires to
the appropriate connections on the valve.
11) Reinstall the burner assembly.
Note: when installing the burner assembly
be sure to slide the aeration adjustment wire
through the hole in the base of the burner
tray.
12) Install the grate.
13) Hook up the gas line and check for gas
leaks with a soap and water solution or a
gas leak detector. (Do not use open fl ame
for leak testing.)
13) Fire up the unit temporarily and check the
manifold pressure.
14) Reinstall the vermiculite, embers, rockwool,
logs and brick panels as needed.
15) Close the door and replace the louvers.
16) Fire up the unit again and check for proper
fl ame appearance and glow on logs.
U32-4 FPI Direct Vent Gas Insert