Navien CH-180 Service manual - 2. Product Information
©Navien America Inc. 2010
CH series service Manual
16
Version 1.0
2. Product Information
2.1. Product Information
KD Navien condensing gas boiler is a fully automatic, wall hung, fan assisted
balanced flue condensing boiler for use with Natural Gas and Liquid Propane Gas.
This appliance is fully modulating and provides central heating and domestic hot
water. The following four models are available according to their maximum
outputs.
The appliance always dives priority to DHW supply.
The appliance is designed to be used with a circulation pump, a divert valve
assembly, a flow sensor, a DHW plate heat exchanger and safety valve.
A separate heating expansion vessel is required.
Internal frost protection and an electronic control unit are incorporated within the
boiler. Any non-power stealing room thermostat or set of contacts can be used
with boiler.
Model
CH-180
CH-210
CH-240
CH-240 ASME
Maximum Heating Input
150,000 Btu/h
175,000 Btu/h
199,000 Btu/h
199,000 Btu/h
Maximum DHW Input(45
ı Rise)
6.5 Gal/m
7.7 Gal/m
8.6 Gal/m
8.6 Gal/m