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CONNECT WATER
PIPING
CONNECT TO
CHIMNEY
MOUNT THE OIL
BURNER
– 3 –
Connect the water piping, being careful not to apply heat to the heater
nipples. Install dielectric unions and shut off valves on both hot and cold water
lines.
NOTE: INDEX LINE ON INLET NIPPLE
MUST BE ALIGNED WITH ARROW ON
DECAL. HOLD INLET NIPPLE WHEN
TIGHTENING FITTINGS. ROTATING
NIPPLE COULD DRASTICALLY REDUCE
PERFORMANCE.
CAUTION!! Scalding injury and/or water damage can
occur from either the manual lifting of the lever or the
normal operation of the T&P valve if it is not piped to a
proper drain. If the valve fails to flow water or reseat, call a
plumber.
Inspect the incoming water line for check valves or water pressure reducing
valves. Any type of check valve may cause pressure to build up in the heater and
cause tank failure. If the heater is installed in a closed system or if backflow
preventers and pressure regulators are installed, add an expansion tank. Do not
try to heat hard water. Install a water softener if the heater is being used in a hard
water area (water hardness more than 7 grains).
An approved temperature and pressure (T&P) relief valve is factory installed in the
opening provided in the upper right hand side of the heater. Pipe the T&P to within
6" of the floor or to a floor drain with a free flowing drain pipe.
Install a vent connector between the chimney and the water heater. The size of
the vent connector shall be acceptable based on the rise in height of the connec-
tor and the water heater input.
If it is necessary to connect to an existing vent connector, be sure the connector
utilized is large enough to accommodate the products of combustion of all units
attached to it. When utilizing another connector, run in at 45° angle (see Figure 1).
Install a draft regulator control only if necessary. Overfire draft should not be pos-
itive. Breech draft should be -.03" W.C. minimum to -.05" W.C. maximum; CO2
should be a minimum of 11% with zero smoke on the Bacharach scale.
The oil burner is equipped with a primary relay. An aquastat with immersion
well is packed with the burner. The thermostat is factory set at 120°F for residen-
tial use (see caution on page 1 regarding temperature variations). Install the
immersion well with the aquastat and check the bulb length (see "Burner &
Controls" section, page 10).
Remove the cardboard core from the burner opening. Mount the burner on stud
bolts and place the gasket (supplied) between the burner flange and the heater.
Secure the burner to the heater with 1/4 -20 nuts (supplied). Open the inspection
door on the heater and check the burner tube with a mirror before firing to be sure
the opening is not blocked (see Maintenance and Service sections on page 5 for
troubleshooting).
Model 33E is equipped with an inlet flow diverter installed
in the tank. This model contains decal next to the inlet
(shown to the left). The purpose of this diverter is to help
keep the tank bottom free of sediment by aiding tank
flushing. The index line on the diverter nipple must be
aligned with the arrow on the decal (left) to function
properly. Do not allow the diverter to rotate out of position
when tightening the inlet fittings.
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