Our Swift has a switch for the electric water heater below one of the front bench seats. It usually has red neon light. Obviously its only available when the van is connected to the 240v AC mains. Our Gas water heater option is in with all of the other switches and circuit breakers located at the top of the control panel above the "pump" switch and red LED pump indicator Usually the first thing to connect is the water supply outside from our Water hog. The external pump is powered on a pressure differential basis. So when the pump switch (mentioned above) is turned on the pump will run until the system is full (all taps off) Then it should stop and the red "pump" led will go out. The hot water tank is filled at the same time. NOW you can turn on the electric water heater OR the gas heater. Never tried both at once. If using gas then obviously make sure the gas regulator is opened on your gas tank. The Gas heater takes a few seconds to start on ours and it is automatic. If you haven't used it for a while, then it may come up with a fault light. turn it off wait a minute and try again (the gas does take a while to prime the system) Wait about half an hour and try the hot water.
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Topic: Lunar Solar water heater
