●
the flame is found abnormal, it may be caused by unexpected change of gas inlet
pressure, stop the appliance immediately and contact gas supplier or a service
technician.
● For NG users, if the flame of the heater is not stable, it may be caused by the
instability of the gas pressure. In that case, stop using the heater, otherwise it
may be damaged or even cause accident.
■ Fire accident prevention
● Make sure the appliance is turned off if not in use; never keep it running without
human custody.
● Turn off the main gas valve when the appliance is not in use.
● Do not place any, especially inflammable materials under or near or over, or on
top of the product (Fig. 12) (Fig.13), and do not block the air inlet.
If
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