Noritz NH199-DV Installation And Instruction Manual

Also see for NH150-DV: User's information manual

Contents

24BPriority 1(Indirect Tank)Priority 1 (Indirect Tank)Priority 2(Heating)Burner PowerPower supply for circulatorAC120Volts Max. 2.2Amp.Circulation terminalFor External LampNo Power supply (Only Contact)Hot Neutral Hot NeutralPriority 1(Indirect Tank)Priority 2(Heating)Priority 2 (Heating)Burner PowerPower supply for circulatorAC120Volts Max. 2.2Amp.For External LampNo Power supply (Only Contact)Hot Neutral Hot NeutralAC D120VACThermostatAquastatPriority 1(Indirect Tank)Priority 2(Heating)T - T Connection(DC15V 0.1Amp.)Hot GNDPower InputAC120VoltsPower connection to the boiler.Connection tothe terminal.Connection tothe terminal.Connection tothe terminal.Connection tothe terminal.When burning,the lamp turnsto "ON".When the power on/off buttonis "ON", lamp turns to "ON".Input up to120VAC 1Amp.Input up to120VAC 1Amp.GroundInput120VAC outputConnect the signal line fromthe indirect tank (Aquastat)Connect the signal line fromthe room thermostatConnection tothe terminal.120VAC outputNeutralExternal LampSignal line connectionPriority 1(Indirect Tank)Priority 2(Heating)Burner PowerPower supply for circulatorAC120Volts Max. 2.2Amp.For External LampNo Power supply (Only Contact)Hot Neutral Hot NeutralW d i i l f i h b il l h i l f h i l b lCAUTIONPump Cautions- Use the circulating pumps listed below or their equivalents. Add a pump if these are too small. The pump terminalin the unit is rated for 2.2 Amps.(See p. 25 for instructions for pumps that require greater than 2.2 Amps).Taco Model 0013:F3 (1/6 HP) Grundfos Model 26-99F (1/6 HP) Size the circulating pump based on the pressureloss of the boiler and the piping.- Install the circulating pump near the return to the boiler.