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• Appliance operates immediately when hot water tap is turned on. If the red
battery replacement indicator is flashing, it means the batteries have reached a
low battery level. At this status, appliance can still be operated. Please prepare
two pieces of D-sized 1.5V alkaline battery for replacement once the batteries
are consumed.
• When the batteries are consumed, appliance cannot be ignited with the red
indicator lights up. Check whether the gas meter valve and gas supply valve of
appliance are fully turned on. After confirmation, turn on the hot water tap again.
If the red indicator still lights up and it has no ignition, please replace the
batteries.
• Replacing battery:
• Battery box is located at the bottom of appliance. Loosen the battery box
screw and open the battery box. Follow indications to fix two pieces of battery.
Tighten the screw properly and close the battery box after replacement.
Appliance cannot be operated due to incorrect fixing of batteries.
• Please replace the two pieces of new battery with same brand. If the batteries
to be replaced are mixed with old and new ones or with different brands, there
will be risk of battery crack or leak conditions and causing damage on
appliance.
• Flame failure device: Using the flame rod sensor to monitor whether the combustion status is
normal. When the flame fails, flame failure signal will be sent to the main controller to stop gas
supply.
• Remaining flame safety device: If the flame still remains with the hot water temperature inside the
heat exchanger has reached 90°C after the hot water tap has been turned off, the device will stop
the gas supply.
• Over heat protection device: If the heat exchanger burns out or the temperature reaches 150°C,
the device will activate and stop the operation of appliance.
• Over pressure protection device: If the water pressure inside the appliance is over 2100kPa , the
pressure relief valve located near the hot water outlet will be opened to release pressure. After
reducing to 1700kPa, it will then be closed.
• RS68B is capable to deliver a flow rate of 6.8L/min (at 25°C temperature rise) hot water, while RS10B
/ RS10BV is capable to deliver a flow rate of 10L/min (at 25°C temperature rise) hot water. To suit
bathing purpose of different seasons, you may adjust hot water temperature through front panel
control.
• In winter, there may be occasional extremely cold weather where supply water temperature is
exceptionally low or required water flow is too high, hot water temperature of appliance may be
relatively less. You may appropriately reduce the hot water flow by adjusting water faucet or shower
tap to attain the suitable water temperature.
• In summer, there may be occasional extremely hot weather where supply water temperature is
exceptionally high or required water flow is too low, hot water temperature of appliance may be
relatively higher. You may adjust water faucet or shower tap to mix with cold water for attaining
suitable water temperature.
Change of Battery
Safety Device
Reminder of Adjusting Hot Water Temperature
Operating Instructions
Battery
box
Battery
replacement
indicator
Battery
box
screw
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