Amana AMH8 Operations Instructions Page 23
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PRODUCT DESIGN
23
Furnace
Water
Heater
Opening
Chimney or Gas Vent
Opening
NOTE: Each opening must have
a free area of not less than one
square inch per 1000 BTU of
the total input rating of all equip-
ment in the enclosure, but not
less than 100 square inches.
Figure A.9.2.3.3.(1) All Combustion Air from Adjacent
Indoor Spaces through Indoor Combustion Air Openings.
(2) Combining spaces in different stories. The volumes of spaces in
different stories shall be considered as communicating spaces where
such spaces are connected by one or more openings in doors or floors
having a total minimum free area of 2 in.
2
/1000 Btu/hr (4400 mm
2
/
kW) of total input rating of all appliances.
9.3.3 Outdoor Combustion Air. Outdoor combustion air shall be pro-
vided through opening(s) to the outdoors in accordance with the methods
in 9.3.3.1 or 9.3.3.2. The minimum dimension of air openings shall not be
less than 3 in. (80 mm).
9.3.3.1 Two Permanent Openings Method. Two permanent open-
ings, one commencing within 12 in. (300 mm) of the top and one com-
mencing within 12 in. (300 mm) of the bottom, of the enclosure shall be
provided. The openings shall communicate directly, or by ducts, with the
outdoors or spaces that freely communicate with the outdoors, as follows:
(1)* Where directly communicating with the outdoors or where communi-
cating to the outdoors through vertical ducts, each opening shall have
a minimum free area of 1 in.
2
/4000 Btu/hr (550 min
2
/kW) of total
input rating of all appliances in the enclosure. [See Figure
A.9.3.3.1(1)(a) and Figure A.9.3.3.1(1)(b).]
Furnace
Water
Heater
Outlet Air
Chimney or Gas Vent
NOTE: The inlet and outlet air
openings must each have a free
area of not less than one square
inch per 4000 BTU of the
total input rating of all equipment
in the enclosure.
Inlet Air
Ventilation louvers for
unheated crawl space
A
lternate
air inlet
Ventilation louvers
(each end of attic)
Figure A.9.3.3.1(1)(a) All Combustion Air From Outdoors -
Inlet Air from Ventilated Crawl Space and Outlet Air
to Ventilated Attic.
Furnace
Water
Heater
Outlet Air
Chimney or Gas Vent
NOTE: The inlet and outlet air
openings must each have a free
area of not less than one square
inch per 4000 BTU of the
total input rating of all equipment
in the enclosure.
Inlet air duct
[ends 1 ft (300 mm)
above floor]
Ventilation louvers
(each end of attic)
Figure A.9.3.3.1(1)(b) All Combustion Air
From Outdoors through Ventilated Attic.
(2)* Where communicating with the outdoors through horizontal ducts,
each opening shall have a minimum free area of 1 in.
2
/2000 Btu/hr
(1100 min
2
/kW) of total input rating of all appliances in the enclo-
sure. [See Figure A.9.3.3.1(2).]
Furnace
Water
Heater
Chimney or Gas Vent
NOTE: The air duct openings
must have a free area of not
less than one square inch per
2000 BTU of the total input
rating of all equipment in the
enclosure*.
Outlet air duct
Inlet air duct
Figure A.9.3.3.1(2) All Combustion Air From Outdoors
through Horizontal Ducts.
9.3.3.2* One Permanent Opening Method. One permanent open-
ings, commencing within 12 in. (300 mm) of the top of the enclosure,
shall be provided. The appliance shall have clearances of at least 1 in.
(25 mm) from the sides and back and 6 in. (150 mm) from the front of
the appliance. The opening shall directly communicate with the outdoors
or shall communicate through a vertical or horizontal duct to the out-
doors or spaces that freely communicate with the outdoors (see Figure
A.9.3.3.2) and shall have a minimum free area of the following:
(1) 1 in.
2
/3000 Btu/hr (700 mm
2
per kW) of the total input rating of all
appliances located in the enclosure, and
(2) Not less than the sum of the areas of all vent connectors in the
space.
- Service Instructions 1
- TABLE OF CONTENTS 2
- IMPORTANT INFORMATION 2
- PRODUCT IDENTIFICATION 10
- ACCESSORIES 11
- ( EFR01 ) 13
- ACCESSORY WIRING DIAGRAMS 14
- FOR YOUR SAFETY 16
- OPERATING INSTRUCTIONS 17
- VEHICLE 19
- WHEN INSTALLING THE UNIT 20
- EXISTING FURNACE REMOVAL 21
- PRODUCT DESIGN 24
- CATEGORY III VENTING 25
- POWER UP 36
- HEATING MODE 36
- COOLING MODE 37
- FAN ONLY MODE 37
- SYSTEM OPERATION 39
- TROUBLESHOOTING 40
- TROUBLESHOOTING CHART 40
- A/GMH8, GDH8, ADSH8 40
- POLARIZATION AND PHASING 42
- MAINTENANCE 43
- SERVICING 46
- S-15A Resistance Check 51
- TOR (PSC) 51
- S-200 CHECKING DUCT STATIC 51
- HIGH VOLTAGE 55
- ALL POWER BEFORE SERVICING OR 55
- MULTIPLE POWER SOURCES MAY 55
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