STA-RITE SR200NA Service Manual page 19

SECTION TWO – Heater Installation
Heater Venting – Positive Pressure
H H H H o o o o r r r r i i i i z z z z o o o o n n n n t t t t a a a a l l l l o o o o r r r r V V V V e e e e r r r r t t t t i i i i c c c c a a a a l l l l V V V V e e e e n n n n t t t t i i i i n n n n g g g g - - - - P P P P o o o o s s s s i i i i t t t t i i i i v v v v e e e e
P P P P r r r r e e e e s s s s s s s s u u u u r r r r e e e e (See Figures 2-9, 2-10 and 2-11)
Vent the heater either horizontally or vertically using
one of the 4-inch Special Gas Vent Pipes listed on Page
2-10 (Table 2-G). Install the vent pipe in accordance
with local codes and the provisions of the National Fuel
Gas Code, ANSI Z223.1 (U.S.) or Standard CSA-B149.1
(Canada), and the vent manufacturer's instructions.
D D D D o o o o n n n n o o o o t t t t use a draft hood with this heater. Use one of the
Vent Body
Combustion
Chamber
Flue Collar
Figure 2-9: Metal Appliance Adapter for Metallic
Special Gas Vent (4")
Vent
Termination
1' Minimum
above snow or
Forced Air
finished grade
Inlet
(whichever is
higher)
FIGURE 2-10: Minimum Clearances for Vent Termination - U.S.
Clean the Interior Surface
Clean and RTV
This Surface
Metal 4" Z-Flex
Adapter (Line up
Ridge with tip
of Vent Body)
2856 0597RTV
4' Min.
4' Min.
4' Min.
Gas Meter
3' Minimum clearance if
horizontal distance to
exhaust opening is less
than 10 feet.
special gas vents specified in Table 2-G (Page 2-11) for
positive-pressure venting of this heater – do not use
any other vent with it. Install the vent according to the
vent manufacturer's detailed instructions.
Maintain clearance between the vent pipe and com-
bustible surfaces according to the vent manufacturer's
instructions and code requirements. Do not place any
insulating materials around the vent or inside the
required clear air space surrounding the vent. See Table
2-H (Page 2-12) for maximum permissable vent lengths.
See Table 2-J (Page 2-12) for vent thimbles and termi-
nals listed in U.S.
C C C C o o o o n n n n n n n n e e e e c c c c t t t t i i i i n n n n g g g g S S S S p p p p e e e e c c c c i i i i a a a a l l l l G G G G a a a a s s s s V V V V e e e e n n n n t t t t t t t t o o o o t t t t h h h h e e e e H H H H e e e e a a a a t t t t e e e e r r r r
M M M M e e e e t t t t a a a a l l l l l l l l i i i i c c c c : : : :
1. Order an Appliance Adapter Kit:
Sta-Rite Part No. 77707-0086 for Saf-T Vent
Saf-T Vent CI.
®
Sta-Rite Part No. 77707-0087 for Z-Vent.
2. Remove the outside Vent Cover.
S S S S u u u u r r r r f f f f a a a a c c c c e e e e P P P P r r r r e e e e p p p p a a a a r r r r a a a a t t t t i i i i o o o o n n n n : : : :
3. Install the Appliance Adapter in the Vent Body of
the heater (located under the outside Vent Cover).
Before connecting the Appliance Adapter to the
Vent Body, wet a clean cloth or paper towel with
isopropyl alcohol (rubbing alcohol) and vigorously
wipe the socket of the Vent Body. Immediately
4' Min.
Vent
Termination
1' Min.
2-10
or
®
Max 12"
Min 3"
Vent
Termination
At least 7'
above grade
adjacent
to public
walkways