Connecting To Boilers/Water Heaters; Connecting To A Single Boiler/Water Heater - Navien NaviLink User Manual

Connecting to boilers/water heaters

You can remotely control and monitor boilers, water heaters, or cascade
systems by connecting them to NaviLink communication channels
(CH1–CH3) and setting parameters on the front panel of boilers or water
heaters.

Connecting to a single boiler/water heater

You can connect the NaviLink and a boiler or water heater via the
NaviLink cable.
1
Connect the RS-485 connector of the NaviLink cable to a
communication channel port.
2
Connect the 5 pin connector of the NaviLink cable to the J6 port on
the right side of the boiler or water heater front panel or to the CNK1
port of the controller.
NPE/NCB/NHB
CH1 CH2 CH3
CH1 CH2 CH3
CNK1
(-)
(+)
(-)
(+)
3.LWCO
2.AC24VL
1.AC24VN
T/S ZONE 1 T/S ZONE 2 T/S ZONE 3
R W C R W C R W C
NFB(commercial)
11