Navien CH-180 Installation Manual - page 50
Remote Controller Installation:
Remote Controller NR-10PU
The following are considerations for determining the location of the
remote controller:
Disconnect the power to the combination Water Heater / Heating Boiler
before installing the remote controller.
The wire on the reserve of a remote contoller is connected to the orange wire
on the PCB board which is located on bottom of the combination Water Heater
/ Heating Boiler. The naked wire must be completely insulated after connection.
DO NOT
connect 110~120VAC to this remote controller.
The maximum length of wire between the combination Water Heater / Heating
Boiler and the remote controller installation location is limited to a maximum of
300 feet.
Do not install the remote controller in any area where the controller will be
directly exposed to water, heat, humidity or steam.
Feed the remote controller wire through the black rubber seal at the
bottom, right hand, back corner of the case.
Place remote controller out of children’s reach.
Do not disassemble the remote controller.
The remote controller is water resistant but not water proof.
Do not install the remote controller outdoors.
There is no polarity.
REMOTE CONTROLLER INSTALLATION
50