Service manual

EP-100 PUMP INSTALLATION, OPERATION AND SERVICE MANUAL
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SECTION 9: VENTING
9.1 General Venting Requirements
This pump must be vented in accordance with the
rules contained in this manual and with the following
national codes and any state, provincial or local
codes which may apply:
United States: Refer to National Fuel Gas Code
NFPA 54/ANSI Z223.1 - latest revision.
Canada: Refer to Natural Gas and Propane
Installation Code CSA B149.1 - latest revision.
This section provides partial information about this
specification with regard to size and configuration for
venting requirements (see Page 19, Figure 16 and
Page 20, Figure 17). However, to provide assurance
of proper and safe operation, it is the responsibility of
the installer to make sure the installation is in strict
accordance with all local and national codes.
9.2 Venting the Pump
• The exhaust connection from the pump is 4" (10
cm) diameter.
• Connect the 4" (10 cm) pump boot (provided) to
the 4" (10 cm) flue pipe, using the 4" (10 cm) band
clamp provided. Connections to flu
e pipe larger
than 4" (10 cm) require use of an appropriate
taper pattern reducer (not supplied).
• Venting from the pump may discharge either
horizontally or vertically. Horizontal discharge is
preferred. See Page 19, Figure 16. Vertical
discharge must be arranged as shown on Page
20, Figure 17. Corrosion resistant pipe is
required.
• Both horizontal and vertical venting must be
supported by suitable hangers.
• Vent lengths are allowed as follows:
9.3 Vent Material Recommendations
(in order of preferred use)
1. Porcelain coated tubing 4" (10 cm) O.D.
(P/N 9141030D)
2. Heat treated aluminized tubing 4" (10 cm) O.D.
(P/N 91409408)
3. Single wall flue pipe (corrosion resistant) -
minimum 26 Ga. (Not suitable for modulating
and condensing system designs)
9.4 Horizontal Venting
If using vent lengths greater than 30' (9 m),
condensation will form in the vent pipe. Insulation
and additional sealing measures will be required.
Seal all discharge pipe joints with high temperat
ure
silicone adhesive.
9.4.1 Horizontal Venting Guidelines
• Vent must exit building not less than 7' (2 m)
above grade when located adjacent to public
walkways.
• Vent must terminate at least 3' (1 m) above any
forced air inlet located within 10' (3 m).
WARNING
Carbon Monoxide Hazard
Pump must be vented to the outside.
Heaters must be installed according to the
installation manual.
Failure to follow these instructions can result
in death or injury.
WARNING
Cut/Pinch Hazard
Wear protective gear during installation,
operation and service.
Edges are sharp.
Failure to follow these instructions can result
in injury.
VENT LENGTH VENT SIZE
Up To 25' (8 m) 4" (10 cm) vent - 3 elbows
Up To 50' (15 m) 5" (12.5 cm) vent - 3 elbows