Noritz NCC199CDV, Руководство по установке

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CR60-IM.v0429.4
Common Venting the NCC199CDV
The NCC199CDV is tested and approved to be common vented up to a maximum of 6 units on a single exhaust
system. For full installation instruction on common venting the CR60, refer to the Common Vent Installation
Manual.
Guidelines for Common Venting
•
Do not reduce the vent diameter.
•
Common vent must be installed with approved venting materials. Materials not specified in the
Manual are not acceptable.
•
The unit Dip Switch Setting must be changed for each unit. (SW1 must be set to the ON position).
•
Do not change Dip Switch 7 and 8 when Dip Switch 1 is ON (Common Vent Installation).
•
For Canadian Installations, only vent material approved to ULC-S636 may be utilized.
•
When utilizing room air configurations, a room air conversion kit (SV-CK-2) must be installed on each
unit.
•
Slope the horizontal vent ¼ in. (or 5/8 in when using PP pipe) upwards for every 12 in. toward the
termination
•
Provide vertical support every 3' (0.9m) or as required by the vent pipe manufacturer's instructions.
•
Ensure that the vent termination is at least 12 in. above ground, 12 in. above the highest anticipated
snow level, or as required by local codes, whichever is the greatest.
•
[PVC /CPVC/PP 3”]
Do not reduce the trunk vent diameter for any unit connected to the Common Vent System. Reducing
the vent diameter may lead excessive condensation draining directly into the appliance.