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INSTALLATION (continued)
• Mount as per the installation diagram below (see Figure 1). Check that the neutralizer is upright in the proper
position as shown in the above diagram. The neutralizer should be installed after the trap. Ensure that the
condensate will ow freely from the appliance drain into the neutralizer then to an approved drain by applying
su cient slope to the drain pipe.
• Access to the discharge is necessary for proper maintenance in order to check the e ectiveness of the
neutralizing media using pH test strips.
• If there is no gravity drain available, install a condensate removal pump designed for use on condensing
boilers and water heaters.
of the appliance due to failure.
The oat should be down during normal operation (see Figure 2). If ow in the neutralizer becomes restricted, the
•
oat will rise and lock in position, indicating that the media should be cleaned or replaced (see gure 3). After
replacing the media, reset the oat by pressing it back to the down position.
Reversible
Connec�ons
DRAIN
Figure 1: Standard Installation Example
MAINTENANCE
•
Monitor the cleanliness, level of the neutralization media, and pH level in the neutralizer monthly. Remove any
precipitate coating or debris found to prevent blockages. Check the pH level at the outlet of the neutralizing
kit using a suitable pH test strip paper or an electronic pH meter for precise measurement. The neutralizing
media should be replaced when the pH level drops below the minimum level of the local water authority, when
the oat rises (see Figure 3 above), or after one (1) year, whichever comes rst. For replacement media, contact
your local Navien distributor.
LIMITED WARRANTY
• The unit is warranted against defects in materials and workmanship for ONE YEAR. The warranty does
NOT cover issues that result from misuse, improper installation, and/or failure to replace the media.
WARNING
This product can expose you to crystalline silica (airborne particles of respirable size) which is known in the state
of California to cause cancer. For more information go to www.P65Warnings.ca.gov
The condensate pump must be equipped with an over ow switch to prevent operation
Normal Operation
Float is
down
FLOW
70 mm
Figure 2: Direction of Condensate
3.75" min clearance
Flow at Normal Operation
(Float in DOWN position)
Condensate Neutralizer
Installation Instructions
Restricted Flow
Figure 3: Imbalance Due to
Restricted Flow
(Float in UP position)
Float is up, and
locked in position,
indicating that the
neutralizer requires
cleaning or media
replacement.
Rev. 5/22
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