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Regulator installation:
Screw the regulator with its 3/4" outer thread into the
boiler socket with 3/4" inner thread. Seal the thread
(e.g. with Siseal sealant, Teflon tape…). Turn
the regulator so that for horizontal installation (a)
the protrusion for bar placing pinpoints downwards, for
vertical installation (b) it pinpoints to the front, and
for vertical side installation (c) it pinpoints upwards.
Remove the plastic transport tube and insert the
hole-free end of the hexagonal lever in its place.
Tighten the screw in order to fix the lever in such
a position that its free end is above the chain lug or
fixture on the boiler door and the lever is as close to
the horizontal position as possible (as much the hexagon
allows). Attach the chain to the lever opening by means
of the bigger hook fixed to the chain. Pass the other
chain end through the fixture on the boiler door and
hook this free end on the hanging chain. Check if the
chain is hanging freely and the lever moves freely (when
turning the knob). When the regulator is installed in
(a) position, the white scale is valid. For
installations in (b) and (c) positions the red scale is
valid.
Regulator calibration:
Fire the boiler with door manually open. Set the
regulator knob to 60. When the water temperature reaches
60°C, let it stabilize for a couple minutes and then
adjust the chain fixture so that the door gap is about
1-2 mm. Now you can select the desired temperature. If
the real boiler temperature was lower during stable
operation than set, shorten the chain, if the real
temperature was higher than set, prolong the chain.
Please take into account also other factors that could
influence the temperature inside the boiler disregarded
of the regulator - esp. the quantity of fuel and ashes
inside the boiler, position of the secondary-air flap,
thermal lag of the boiler and of the whole heating
plant.
We sell the RT2 Draft Regulator under code
5853
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