Navien CH-180 ASME User's Operation Manual

Also see for CH-180: Owner's operation manual Service manual Installation manual Operation manual Installation manual

Navien CH-180 ASME User's Operation Manual Manual pdf 34 page image

Auto feeder of the Combination boilerMake sure the pump drain plug and the DHW cold water inlet filter have beeninserted and that the drain coke inside the unit are closed.Slowly open the water supply valve on the inlet to the unit. If there is no valve at thecombination boiler, turn on the water supply at the water meter slowly.Inspect and make sure there is no water leaking.The combination boiler has an automatic feeder to fill water to the space heatingside. It will fill automatically and stop. Please check the manual air release to makesure water filled properly.Once all of the air has been bled out of the hot water lines, close all hot waterfaucets.Turn power on to the unit.Open the gas valve.Open a hot water faucet to test for normal operation; the unit should fire and operatenormally.1.2.3.4.5.6.7.