6
WATER DRAINAGE METHODS
Auto pump water function of water pump
1. Under random mode, if the water level in the water tank is over water level 1, the switch of water level 1 will be
closed, and the water pump starts to work, the main engine will operate under former working mode.
2. If the water level in the water tank is below water level 1, the switch of water level will be disconnected, and the
water pump will stop after over time working for 2 minutes, and the operation mode for main engine will be
unchanged.
Water level auto alarm function in water tank
Under random mode, if the water level in the water tank is over 2, the water level 2 switch will be closed and the
water full light will illuminate, the buzzer alarms, and failure code E5 indicates on LCD window, also the main engine
will shut off automatically, and the water pump will stop after over time working for 20 minutes.
After the water level in the water tank is below 1, the switch of water level will be disconnected and will not alarm,
also the indicator of failure code E5 will disappear, then the main engine will resume standby.
Water level switch 1
Water level switch 2
Water tank
Water
Water float 2
Water float 1