External Pump Wire Connection - Navien NaviCirc Installation And Operation Manual

2.2.2 External Pump Wire Connection

An external pump may be connected to the water heater for
recirculation applications. When selecting a circulator, it shall be
sized to maintain a flow of 2-4 GPM at 15 ft (4.6 m) – 23 ft (7 m)
of head through the water heater. Follow the instructions below
when connecting the pump wire accessory to the PCB.
WARNING
Electric shock hazard
To prevent death or serious injury or property damage:
DO NOT remove the front cover unless the power to the
●
water heater is turned off or disconnected.
ALWAYS check the water heater is turned off before
●
connecting the wire to the PCB.
Configure the desired mode according to the instructions
Note
in the NPE A2/S2 Installation Manual.
<Specifications>
External Pump Wire (#GXXX001319)
●
Maximum Power Consumption: 150 W, 1.5 A
●
Length: 6 ft (183 cm)
●
When using a pump with larger power requirements than
Note
the listed specification above, a relay should be used to
ensure proper operation.
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