37
Exhaust
Intake
3" Pipe
3" Pipe
Condensate
Drain
W1
D
3" Pipe
Exhaust
Intake
3" Pipe
3" Pipe
3" Pipe
Condensate
Drain
W1
D
W
H1
D
Common Vent
Chapter 4. – Installation
Venting Intake and Exhaust (Direct Vent)
1. Turn off the power to the control panel. Press and hold the
‘Function Button’ for approximately 5 seconds to get into the
‘Installer mode’.
3. Press the dial button, the “on” or “oFF” character will be
flashing.
2. Turn the dial button to ‘[7:CV]’.
<Note>
If [6:QC] is turned on, then [7:CV] will automatically be on
when
first set.
4. Turn the dial button counter-clockwise to select “oFF” if
you want to install with a individual venting system for
each unit, or turn the dial button clockwise to select “on” if
you want to use the common venting feature.
5. Press the dial button to store the current setting and return
back to ‘Installer mode’.
When Noritz water heaters are installed in a Noritz Quick Connect Multi System, you can install a common
venting system. Do not use common venting if the water heater is used within a Noritz Quick Connect Multi
System with other manufacturer’s water heaters or other models. Include a condensate drain in the main trunk
as illustrated in the following examples.
Must be set up each product installed.
Venting Intake and Exhaust to the sidewall
Venting Intake and Exhaust to the different location
The following are examples of common venting options:
4-10. Common Vent
<Warning>
This Common Vent System must be installed by a licensed technician, failure to properly install this system may
result in property damage, serious injury to occupants, or possibly death.
<Note>
1. For clearance requirements between the exhaust and intake determinations refer to pg. 16-18 of the
Installation Manual.
2. Insert bird screen on elbow terminals.
3. Make sure condensate drain hole size should be more than 1/2”.
Summary of Contents for Eco TOUGH NRCP111-DV-LP
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