pressure to build up. Run a temporary connection
from one of the drain valves to a nearby sewer.
Connect to a drain valve on the opposite end of the
boiler from feed water inlet, if possible. Shut off the
oil burner, open drain valve and blow down the entire
contents of boiler.
Allow boiler to thoroughly cool and slowly refill to water
line. Repeat as many times as required until blow off
water is clear. Owner should blow down boiler at least
once each month d the heating season.
If an exceptional amount of dirt or sludge seems to
be present in the boiler, a boiler cleaning compound
made by a reputable manufacturer may be used
according to the instructions of the manufacturer of
the compound. When any type of cleaning com-
pound is used, care must be taken to thoroughly
flush all traces of the compound out of the boiler.
Following blow down allow the boiler to coot. Add
fresh water slowly. Be certain to blow enough times
as required to remove compounds from system.
The area around the boiler must be kept clear and
free of combustible materials, gasoline and other
flammable vapors and liquids.
The free flow of combustion and ventilation air to the
boiler and boiler room must not be restricted or
blocked.
Periodic inspection and tightening of the tanktess
heater/cover plate bolts will reduce the risk of leaks.
See parts 3 and 5 under "Coil and Cover Plate
Replacement Parts."
Operation should be checked, with burner on, by
opening the blow-off valve located in the lower
portion of the low water cut-off body. This will drain
the water quickly from the cut-off body and break the
circuit to the burner. If it does not, replace the control.
During the heating season, the blow-off valve on the
low water cut-off should be opened once a week to
flush out the sediment chamber so the device will be
free to function properly. (Figure 12) Use a pail to
catch the discharge.
It is suggested that a qualified service agency be
employed to make an annual inspection of the boiler
and heating system. They are experienced in mak-
ing the inspections outlined above and, in the event
repairs or corrections are necessary, can make the
proper changes for safe operation of the boiler.
\
\
/
1 HW-012.02 Bolt - 7/16-14x1½ Square Head 8
2 252-2-2.00 Gasket - B Tankless 1
3 202-2-1.00 Cowr Plate - B Tankless Coil 1
4 HW-013.01 Nut 7/16-14 Square 8
5 252-3-1.02 Tankless Coil L-24 1
6 &Q-020.03 Well ¾ x 1½ - 123870A 1
7 275-1-1.00 Harness 1
8 &Q-008.00 Control - L4006A1827 1
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