Navien CH-180 Installation Manual

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

Navien CH-180 Installation Manual Manual pdf 66 page image

Wiring Diagram:If any of the original wire as supplied with the combination Water Heater / Heating Boiler must bereplaced, it must be replaced with its equivalent.CHAC 150VAC 120VRWBKBKGR/YGNDMGVSolenoidValve 1BRAC 120VFuse (5A)CN2CN16CN1BKRBKWRRBBBKBKWWWWBRBRPVAPSBKBKRBKWater Pressure SensorFlow SensorRWBKBKWR CN17CN19FMRBKYWOBBYYWAir Pressure SensorModulatingGas ValveCN8CN20CN3BKWNeutral(W)Hot(BK)GroundGPS Gas Pressure SensorCN5CN6CN22CN14CN13CN7O O W BKCN12 CN9RemoteController CascadeON ON1 2 3 4 5 6 1 2 3 4 5 6 7 8Min MaxModulating GasValve AdjustingDip S/W 1 Dip S/W 2Dip S/W 7FND 1BRSV1Y YSolenoidValve 2SV2R RM3-Way ValveSW4(Service use)SW3SparkElectrodeFlame rodBKPower S/WWBKWGNDGR/YPower Code124 3AC 26VAC 9VAC 19VO W YBKRBK BKHigh Limit S/WExhaust High Limit S/WThermal FuseS/H Return ThermostatDHW Outlet ThermostatColor CodeBOPRWYBKBRGR/Y: Blue: Orange: Pink: Red: White: Yellow: Black: Brown: Green/YellowSV1SV2Y YManifoldR RMGV1BR BRMGV2BRBRPVBKBKSolenoid ValveConnecting Wiring ColorABFCDEHIJLKTPQMRRBKBKBBBBKWPS(Main)RAC 26V AC 9VAC 19V(Main)"A"W"A"BB IGONOFFMain Gas ValveTransformerTransformerFan MotorMain Gas ValveBKDHW Inlet ThermostatS/H Supply ThermostatBBCN11Outdoor ThermostatGAC24VOutputA/HCooling HeatingA/HHeatingT/SCoolingT/SR SCN25 CN4 CN23 CN10 CN24BBBBKCN26PowerOutputExternalCN21OCN18NFeederValveAutoBBPumpWYONOFFAC24V SwitchRR66 WIRING DIAGRAM