Noritz N-069M Owner's Manual And Installation Manual

Also see for N-063S: Instruction manual

Contents

55PUMPCrimping TerminalWiringThroughwayConnecting the pump control wire1. Leave enough slack so that the pump controlwires will stay connected if the unit is removedfrom the wall.2. Remove the front cover of the heater (4 screws).3. Cut off the connector at the end of the pumpcontrol wires.4. Wire the pump control wires through the wiringthroughway and connect them to the wiring insidethe pump (this will be the power supply for the pump,do not also connect 120 V to the pump).If a large pump is being used (greater than 85W)use the voltage from these wires as the signal toclose a normally open relay through which 120 V willbe supplied directly from a wall circuit to the pump.5. Replace the front cover.Pump ControlWire TagSupplies Power forCirculating Pump(Use a Relay forLarger Pumps)Pump Wiring * For model N-069M only. This feature is not availablewhen using the Quick Connect Multi System feature.Relay connection with larger pumps (>85 W)1. Locate and prepare the pump control wires as described above.2. Choose a suitable installation location for the relay where it will be protected from moisture.3. Connect the pump control wires from the heater to the signal input on the relay.4. Cut one of the electrical supply leads and wire it across the open terminals of the relay.5. Secure all connections and replace the front cover of the heater.Circulation PumpAC120VRelay (ex. Omron G7L2ABUBJCBAC120)Connect to Pump ControlWires in Unit 0124