Roberts Gorden CoRayVac CRV-B-2 Installation, Operation & Service Manual page 44

CRV-S I , O
ERIES NSTALLATION PERATION AND
9.2.3 Vertical Venting
See Page 39, Figure 18 for recommended vertical
venting options.
9.2.4 Horizontal Venting
See Page 40, Figure 19 through Page 42, Figure 21
for recommended horizontal venting options.
9.2.5 Length Requirements
See EP-100, EP-200 or EP-300 Pump Series
Installation, Operation and Service Manuals for
complete venting options.
Vent lengths are allowed as follows:
EP-300 Vent
Vent Length
Size
6" (15 cm) -
Up to 10' (3 m)
1 elbow
7" (18 cm) -
Up to 25' (8 m)
3 elbow
8" (20 cm) -
Up to 50' (15 m)
3 elbow
Seal all pipe joints with high temperature silicone
sealant in the vent pipe. Insulation and additional
sealing measures will be required.
Optional heat exchanger lengths are considered as
vent length for length determination.
Subtract 15' (4.6 m) of maximum allowed vent or
outside air duct length per vent elbow if more than
three are used.
9.2.6 Vent Material Recomendations
Vent 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)
Heat treated aluminized tubing 6'' (15 cm) O.D.
(P/N E0009105)
3. Single wall flue pipe - minimum 26 ga.
(Not suitable for modulating and condensing
system designs.)
38 of 83
S M
ERVICE ANUAL
EP-200 Vent EP-100 Vent
Size Size
4" (10 cm) -
-
1 elbow
5" (12.7 cm) - 4" (10 cm) -
3 elbows 3 elbows
6" (15 cm) - 5" (12.7 cm) -
3 elbows 3 elbows