Lochinvar 150 - 500, Руководство по установке и эксплуатации

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Installation & Operation Manual
3
General venting
16
Air intake/vent connections
1. Combustion Air Intake Connector (FIG.’s 3-5 thru 3-7) -
Used to provide combustion air directly to the unit
from outdoors. A fitting is provided on the unit for final
connection. Combustion air piping must be supported
per guidelines listed in the National Mechanical Code,
Section 305, Table 305.4 or as local codes dictate.
2. Vent Connector (FIG.’s 3-5 thru 3-7) - Used to provide a
passageway for conveying combustion gases to the
outside. A transition fitting is provided on the unit for
final connection. Vent piping must be supported per the
National Building Code, Section 305, Table 305.4 or as
local codes dictate.
Combustion air piping to the outside MUST
BE used. Use of combustion air from the
room via louvers, plenums, or any other
device is not authorized.
NOTICE
3” CPVC PIPE SUPPLIED WITH
WATER HEATER MUST BE USED
FOR VENT CONNECTION
NOTE: CPVC VENT PIPE AND VENT FITTINGS MUST BE USED
IN CLOSET AND ALCOVE INSTALLATIONS.
VENT
AIR
Figure 3-5
Near Water Heater Venting Models 150 - 199
4” CPVC PIPE SUPPLIED WITH
WATER HEATER MUST BE USED
FOR VENT CONNECTION
NOTE: CPVC VENT PIPE AND VENT FITTINGS MUST BE USED
IN CLOSET AND ALCOVE INSTALLATIONS.
VENT
AIR
Figure 3-6
Near Water Heater Venting Models 285 - 399
The Armor water heater uses model specific combustion air
intake and vent piping sizes as detailed in Table 3B below.
Model Air Intake Vent
150 - 199 3 inches 3 inches
285 - 500 4 inches 4 inches
Table 3B
Air Intake/Vent Piping Sizes
Increasing or decreasing combustion air or
vent piping is not authorized.
NOTICE
4" CPVC PIPE SUPPLIED WITH
WATER HEATER MUST BE USED FOR
VENT CONNECTION
NOTE: CPVC VENT PIPE AND VENT FITTINGS MUST BE USED
IN CLOSET AND ALCOVE INSTALLATIONS.
VENT
AIR
Figure 3-7
Near Water Heater Venting Model 500
Air inlet pipe materials:
The air inlet pipe(s) must be sealed. Choose acceptable
combustion air inlet pipe materials from the following list:
PVC, CPVC or ABS
Dryer Vent or Sealed Flexible Duct (not recommended for
rooftop air inlet)
Galvanized steel vent pipe with joints and seams sealed as
specified in this section.
Type “B” double-wall vent with joints and seams sealed as
specified in this section.
*Plastic pipe may require an adapter (not provided) to
transition between the air inlet connection on the appliance and
the plastic air inlet pipe.