38
Rinnai CVent
A7 Condensate and condensate drain
•
Condensate is produced in the CVent Common Vent System when appliances are operating.
•
Condensate must be drained to prevent the malfunction, equipment failure, or property damage. Condensate
should be disposed according to local codes. Refer to the
National Fuel Gas Code, ANSI Z223.1/NFPA 54
, or the
Natural Gas and Propane Installation Code, CSA B149.1
condensate disposal.
•
The disposal for the condensate can be accommodated via the appliances and / or separate condensate outlets in
the CVent Common Vent System.
•
A condensate trap must be installed at any drain point to prevent flue gasses from exiting.
•
The condensate trap provided with the header (illustrated below) has an integrated valve that temporarily blocks
condensate flow if high (wind) pressures cause a pressure rise in the vent system.
•
The condensate trap integrated valve will also prevent trap from drying out if the system is off for a long period of
time.
•
The Ubbink condensate trap illustrated below does NOT require priming.
•
3rd party condensate valves (or a hose loop) DO need priming to be effective. Do not fire the appliances before the
condensate traps are inspected and/or primed, otherwise flue gasses can escape form the common vent system.
•
All subsequent drains must have a minimum diameter of 1/2” (12mm) and must be protected (if applicable) from
freezing.
A8 Instructions to be complied with
When assembling the CVent Common Vent System, the following points must be complied with:
•
Correct fit of the seals
•
Complete use of the insertion depth of the pipes and formed parts
•
Assembly must be carried out with an incline of at least 3° (3/4inch per foot or 5.6 cm/m), so that the condensate
produced can flow away from the appliances in accordance with the regulations.
•
Conversions or change to the system components are not permissible without approval by Rinnai.
•
After assembly of the CVent Common Vent System a visual inspection of all seals must be completed.
•
Fill in the last page of this manual with the required data, and leave this manual for review with the end user and
store it with the common header installation.
To the condensate
drain (use suitable hose
- not included)
Bracket for attachment
to wall - not included
To condensate drain
Clamps for hose
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