Lochinvar Armor X2 AWL1500, Руководство по установке и эксплуатации

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1
Determine water heater location
Combustion and ventilation air
requirements for appliances drawing air
from the equipment room
Provisions for combustion and ventilation air must be in
accordance with Air for Combustion and Ventilation, of
the latest edition of the National Fuel Gas Code, ANSI
Z223.1, in Canada, the latest edition of CGA Standard B149
Installation Code for Gas Burning Appliances and Equipment,
or applicable provisions of the local building codes.
The equipment room MUST be provided with properly sized
openings to assure adequate combustion air and proper
ventilation.
Figure 1-3_Combustion Air Direct from Outside
Figure 1-4_Combustion Air Through Ducts
2. If combustion and ventilation air is taken from the
outdoors using a duct to deliver the air to the equipment
room, each of the two openings should be sized based on a
minimum free area of one square inch per 2000 Btu/hr
(11 cm 2 per kW) of input (see FIG. 1-4).
IF NECESSARY
FOR TIGHT
CONSTRUCTION
Figure 1-5_Combustion Air from Interior Space
1. If air is taken directly from outside the building
with no duct, provide two permanent openings to
the equipment room (see FIG. 1-3):
(a) Combustion air opening, with a minimum free
area of one square inch per 4000 Btu/hr input
(5.5 cm 2 per kW). This opening must be located
within 12" (30 cm) of the bottom of the enclosure.
(b) Ventilation air opening, with a minimum free
area of one square inch per 4000 Btu/hr input
(5.5 cm 2 per kW). This opening must be located
within 12" (30 cm) of the top of the enclosure.
3. If air is taken from another interior space, each of the
two
openings specified above should have a net free
area of one square inch for each 1000 Btu/hr (22 cm 2
per kW) of input, but not less than 100 square inches
(645 cm 2 ) (see FIG. 1-5).
Installation & Operation Manual