Navien LST-58K, Instruction Manual

Page: 9 / 56

9
Random use of a non-rated fuse may cause a fire.
Replace the fuse, if burnt out, with the one
complying with the specifications.
(Refer to the Electric wiring diagram)
Failure to detect the level (water) inside the boiler may
result in malfunction of the boiler.
Do not make a short circuit between the low
water level sensor wire and the ground wire
inside the panel.
An electric shock may be caused.
Do not touch the power cord with wet hands.
Random disposal may result in a safety accident,
especially to children or the old and the weak.
Disposal and replacement of the boiler,
if necessary, shall be performed by the
installation personnel.
CAU T ION