User guide

Maintenance instructions
Warning authorised
water heater. Unauthorised servicing could result in serious injury or property
damage.
While repairing the water heater, please disconnect the power plug from the
socket.
Caution: Prior to the repair of the water heater, please refer the troubleshooting chart to
rule out all the obvious causes.
: Only A. O. Smith service personnel should maintain and repair this
• If the needs to be drained, close the water inlet valve first, open the drain
valve, then rotate the handle of the relief valve, release the nut connected to the water
outlet joint of the inner tank and drain water from the discharge pipe.
• It is recommended that the tank should be flushed to remove sediment which may
buildup during operation. Specific operating procedures are as follows:
(1) Disconnect the power.
(2) Screw off the relief valve and remove the internal water inlet pipe of the water heater.
(3) Connect the water outlet pipe connection of the water heater to the tap water
pipeline and fill water from this end, the water inlet pipe connection is connected to
floor drain by pipes and discharge water from this end.
(4) Open the water inlet valve to get a maximum tap water flow, flush the tank till the
drained water from the tank becomes clean.
(5) Connect the water inlet and outlet pipes again according to Fig. 6, and put the water
heater into use after a leakage test.
water heater
Maintenance
Caution: The drained water could have a high temperature, a scald might be caused, please
be careful.
13
Fig. 20 Wireless remote controller function
Override
Heat
Modes
MAX
Energy
meter
Timer 3
Clock/
Timers
AES function adopts the
heating cycles to the
water utilisation habit.
To start heating the water,
press ON/OFF key.
To decrease temperature,
clock, timers.
To increase temperature,
clock, timers.
To change the three
different heating modes.
To set Clock and upto 3
ON/OFF timers (Timer l,
Timer ll, Timer l+ll).
To get more hot water
continuously for longer
bathing time.
To set the Timer 3.
To display the total energy
consumption of the water
heater.
To switch ON, the water
heater enters the heating
state instantly.