CAL
-SERIES
37
HORIZONTAL AND VERTICAL VENTING APPLICATIONS
Venting of the unit must comply with the Installation Codes CAN/CGA-B149.1. In the USA, refer to
NATIONAL FUEL CODE
ANSI Z223.1/NFPA 54
; current edition or local codes.
Select exhaust point:
A vent shall not terminate:
a.
within 6 feet (1.8 m) of a mechanical air supply inlet to a building;
b.
above a meter/regulator assembly within 3 feet (.9 m) horizontally of the vertical center line
of the regulator,
c.
within 6 feet (1.8 m) of any gas service regulator vent outlet,
d.
less than 1 foot (.3 m) above grade level;
e.
less than 7 feet (2.1 m) above a paved sidewalk or a paved highway;
f.
within 3 feet (.3 m) of a Window or door which can be opened in any building , any non-
mechanical air supply inlet to any building or the combustion air Inlet or any other appliances.
NOTE: May be reduced to 1 foot for inputs up to 100,000 BTUH (30kW) and 3 feet (.9 m) for inputs exceeding
100,000 BTUH.
In the U.S.: The National Fuel Gas code,
ANSI Z223.1/NFPA 54
, specifies a 4 foot (1.22 m) vent
terminal clearance from gas and electrical meters, regulators and relief equipment.
Содержание CAL Series
Страница 18: ...CAL SERIES 14 CAL 40A 50A 15 4 16 M Figure 7 CAL 40A 50A 15 4 16 M...
Страница 20: ...CAL SERIES 16 CAL 40A 50A 15 4 16 M THREE PIECE MODEL Figure 9 CAL 40A 50A 15 4 16 M THREE PIECE MODEL...
Страница 21: ...CAL SERIES 17 CAL 40A 50A 75A 20 6 1 M FOUR PIECE MODEL Figure 10 CAL 40A 50A 75A 20 6 1 M FOUR PIECE MODEL...
Страница 23: ...CAL SERIES 19 90 ELBOW PACKAGE Figure 13 90 ELBOW PACKAGE 180 U BEND PACKAGE Figure 14 180 U BEND PACKAGE...
Страница 37: ...CAL SERIES 33 90 ELBOW KIT Figure 29 90 ELBOW KIT INSTALLATION 180 U BEND KIT Figure 30 180 U Bend Kit...
Страница 63: ...CAL SERIES 59 24 0 GAS VALVES Figure 47 GAS VALVE...
Страница 83: ...CAL SERIES 79...
