Furnace Installation and Owners Manual
11
LDJ620_E01_R03_2006.03
Models LDJ620-9 and LDJ620-10
Step 7: Straighten the aluminum tube (4)
included with the draft gauge kit.
Step 8: Uncoil the white rubber tubing and slip
the black rubber connection (5) over one end
of the aluminum tube. The other tube will just
hang and be left unconnected.
Step 9: At the opposite end of the double tubing,
split the two individual hoses apart for about 1-
1/2".
Step 10: At the top of the unit, connect the
hoses to it.
• Connect the all white hose to the port
marked HIGH (6).
• Connect the white hose with the red line to
the port marked LOW (7).
Step 11: Turn the ZERO SET (8) knob counter-
clockwise 2 to 3 turns.
Step 12: Loosen and remove the FILL (9) plug.
Step 13: Open the bottle of red gage oil (10)
and install nozzle top.
Step 14: Carefully pour oil into the FILL opening
until the red gage oil reaches ZERO (11).
Step 15: Re-install FILL plug.
Step 16: If the red gage oil is not exactly on
ZERO, adjust it by turning the ZERO SET knob
clockwise or counter-clockwise.
Step 17: Slide the aluminum tube about 2" to 3"
into the hole drilled into the flue.
Step 18: The draft gauge is now ready to be
used.
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