12
NC
NC
COM
NC
NC
COM
LWCO
AC24VL
AC24VN
NC
NC
COM
ZONE1ZONE2ZONE3
COM
NO
NC
ZONE1
COM
NO
NC
ZONE2
COM
NO
NC
ZONE3
AC24VN
SUPPLY RETURN OUTDOOR DHW TANK
AC24VL
LWCO
R
W
C
R
W
C
R
W
C
R
W
C
CH1 CH2 CH3
• Only Navien boilers and water heaters can operate through NaviLink.
• You can connect a single boiler or water heater unit to each NaviLink
communication channel.
• The maximum communication range between the NaviLink and a
connected boiler’s or water heater’s front panel is 164 ft (50 m).
• Do not connect the LAN cable’s RJ45 connector to a NaviLink
communication channel port. The function of RJ45 connectors
and RS-485 connectors is different although the appearance of the
connectors is the same.
• If the NaviLink cable length is too short, use CAT5 couplers, direct
LAN cables, and Navien Ready-Link cables (optional) to extend the
NaviLink cable.
• Reset the NaviLink when you change the NaviLink communication
channels of boilers/water heaters in operation and connected to
the NaviLink to other communication channels that boilers, water
heaters, or cascade systems are connected to. If you do not reset the
NaviLink, usage trend data for devices can be incorrect. (p. 8)
• The usage data of boilers or water heaters is saved normally, when
the NaviLink communicates with the Internet server and the local
time of where the NaviLink is installed is synchronized on the
NaviLink, after you join and register your NaviLink on the NaviLink
smartphone app. (p. 19)
• When you change NaviLink communication channels of boilers/
water heaters in operation and connected to the NaviLink to empty
communication channels that boilers, water heaters, or cascade
systems are not connected to, the existing usage trend data is
deleted and new usage trend data is created.
• Boiler and water heater usage trend data that is saved in the
NaviLink is not backed up.
• When the power supply is unstable or electrical shock occurs at the
NaviLink, the usage trend data may not be saved or can be deleted.
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