Navien LCB700-21RS Installation & Operation Manual page 45

9.4.3 Connecting the CH Thermostat
The boiler is designed to be connected to a CH thermostat. The CH thermostat cables are to be connected to the CONH1 in the low
voltage (DC) application part.
9.4.4 Connecting the Outdoor Temperature Sensor
The boiler is designed to be able to function with an outdoor temperature sensor. The sensor cables are to be connected to the CONE1 in
the low voltage (DC) application part.
Low Voltage (DC)
Application
Part
Low Voltage (DC)
Application
Part
CH
Thermostat
Outdoor
Temperature
Sensor
Connecting Electrical Supplies 45