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We reserve the right to make any changes due to technical modifications!
Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
Boiler Water Connections6
6 Boiler Water Connections
Fig. 5 Low water cut off installation
Item. 1: Gas boiler
Item. 2: heating elements (panel radiator, baseboard, etc.)
Item. 3: system requiring low water cut off
Item. 4: system not requiring low water cut off
1
2
2
1
2
2
2
2
3
4
DANGER!
BOILER DAMAGE !
due to moisture.
z Install this boiler so that the gas ignition
system components are protected from
water (dripping, spraying, rain, etc.)
during appliance operation and service
(circulator replacement, control
replacement etc.).
DANGER!
SYSTEM DAMAGE !
due to over heating during low water
conditions.
z If this boiler is installed above radiation
level it must be provided with a low
water cut-off device either as a part of
the boiler or at the time of installation
(see Fig. 5).
DANGER!
SYSTEM DAMAGE !
due to high temperature differences in the
system.
z If the boiler is used in conjunction with
a refrigeration system, pipe the chilled
medium in parallel with the boiler and
install the proper valve to prevent the
chilled medium from entering the boiler.
z When the boiler is connected to heating
coils located in air handling units where
they may be exposed to refrigerated air
circulation, the boiler must be equipped
with flow control valves or other
automatic means to prevent gravity
circulation of the boiler water during the
cooling cycle.
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