Laars OMNITHERM ONH1250, Инструкции по сборке, установке и эксплуатации

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Figure 2. Combustion Air and Vent through Roof
Category l and lll
84”
2”
Min. (Typ)
Multiple Vents
Window
2” Min. (Typ)
Multiple Air Intakes
Above expected snow line
213
36”
90
12”
OUTLET
INLET
12”
Terminals must be placed such that they are a Minimum of 12” above the
expected snow line. Local codes may have more specific requirements and
must be consulted. Refer to the NFPA 54 National Fuel Gas Code and your
local codes for all required clearances for venting.
Figure 3. Minimum Venting Distance for Single and Multiple Units.
Category lll only
Table 9.
Outdoor Terminals
WARNING
If installing outdoors in a location that may
experience freezing temperatures, provisions must
be made to protect the unit from freeze damage.
Manufacturer does not warranty damage caused by
freezing temperatures. The unit must not operate if
the outdoor temperature drops below 5F (-15C)
WARNING
The outdoor vent terminal gets hot. This unit must be
installed in such a way as to reduce the risk of burns
from contact with the vent terminal.
2.E
Outdoor Installation
NOTE: Outdoor Installation of OMV's (volume water
heaters) is not permitted in Canada.
Precautions must be taken to prevent water in the heat
exchanger and condensate inside and outside of the
boiler from freezing. Damage due to freezing water or
condensate is not covered by the warranty. For units
installed outdoors, the minimum outdoor operating
temperature is 5F (-15C).
For proper operation in outdoor installations, the boiler
must be equipped with the inlet air and exhaust terminal
kits listed in Table 9. Additional instructions are supplied
with the terminal kits.
Size
Part Numbers
Exhaust Vent Inlet Air
1250
CA016701 CA016900
1500
1750 CA016801
CA017000
2000 CA017601
2500 CA017701
LAARS Heating Systems