haier QBJ1-270A58E - Manual (Page 13)

10
Assembly Instruction Using Instruction
7.If the controller you choose has automatic water supply function,
electromagnetic valve must be fixed in room horizontally; the direction of
arrowhead labled on valve is the direction of water running out. Suggest fixing
manual water supply side line, ensure that users can use water heater normally
when the electromagnetic valve is damaged.
8.If the supply cord is damaged, in order to avoid danger, it must be replaced by
factory or maintenance department or professional staff.
9.Other requirements refer to controller introduction.
The operation method
1.K1 valve is open before using water, K2, K3 valves are closed
2.The controller is set in the status of automatical water supply, the
electromagnetic valve won't close until arriving at the set water level, and water
supply is over
3.Open K2 when you want to use the water, open K3 to adjust the temperature if it
is too high.
4.Close K2 and K3 when finish using the water.
Air supply pipe
Controller
Back
valve Solenoid
valve
Sensor
Over flow pipe
Electric heating pipe
Tap water