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Page
17
Version 1.0Aug 2018
Power Connections
The power supply used for the water heater is 240Vac / 50Hz.
A dedicated circuit is recommended for the water heater. Do NOT connect to a GFCI or AFCI circuit. Multiple units
may be connected to a single circuit up to the circuit rating.
Wait for 90 seconds after power is connected for the first time to initiate water heater program and operation.
The power consumption for ONSEN water heater:
Maximum at 60W during normal operation
2W in standby mode
Up to 140W during freeze protection function
Warning!
Do NOT use 3‐prong to 2‐prong adapters.
Do NOT use power strips or multiple outlet adapters.
Field wiring connections and electrical grounding must comply with local codes & AS/NZS 3000.
Do NOT connect power before venting installation is complete.
Before servicing the water heater, turn off the power at the mains by disconnecting the circuit breaker.
Label all wires prior to disconnection.
Figure19 on page 18 shows the electrical schematic diagram of the hot water heater.