1. SAFETY PRECAUTIONS
⚠ WARNING
For continued safety of this appliance it must be installed, operated
and maintained in accordance with the manufacturer’s instructions.
⚠ WARNING
This appliance may deliver water at high temperature. Refer to the
Plumbing Code of Australia (PCA), local requirements and installation
instructions to determine if additional delivery temperature control is
required.
⚠ DANGER
The operation of the thermal cut-out indicates a possibly dangerous
situation. Do not reset the thermal cut-out until the water heater has
been serviced by a qualified person.
Failure to operate the relief valve easing gear at least once every
six months may result in the water heater exploding. Continuous
leakage of water from the valve may indicate a problem with the
water heater.
If the hot water system is not used for two weeks or more, a quantity
of highly flammable hydrogen gas may accumulate in the water
heater. To dissipate this gas safely, it is recommended that a hot tap
be turned on for several minutes or until discharge of gas ceases.
Use a sink, basin, or bath outlet, but not a dishwasher, clothes
washer, or other appliance. During this procedure, there must be no
smoking, open flame, or any electrical appliance operating nearby.
If hydrogen is discharged through the tap, it will probably make an
unusual sound as with air escaping.
Before touching electric terminal parts, turn o power switch.
Do not touch the inner parts of the controller. Do not remove the
front panel. Some parts inside are dangerous to touch, otherwise a
machine malfunction may be caused.
When front panels are removed, live parts can be easily touched by
accident.
Never leave the unit unattended during installation or servicing when
the front panel is removed.
Do not touch water pipes during and immediately after operation
as the pipes may be hot and could burn your hands. To avoid injury,
give the piping time to return to normal temperature or be sure to
wear protective gloves.
Do not touch any switch with wet fingers. Touching a switch with wet
fingers can cause electrical shock.
Before touching electrical parts, turn o all applicable power to the
unit.
⚠ WARNING
If the water supply pressure exceeds the rated pressure, a pressure
reducing valve is to be fitted in the installation.
The discharge pipe of the pressure-relief device may produce water
droplets and must remain open to the atmosphere.
The pressure-relief device is to be operated regularly to remove lime
deposits and to verify that it is not blocked.
A discharge pipe connected to the pressure-relief device is to be
installed in a continuously downward direction and in a frost-free
environment.
For appliances equipped with additional heaters, there must be a
minimum clearance of 3 meters from the appliance to any combusti-
ble surfaces.
The installation of the appliance shall conform to the Plumbing Code
of Australia (PCA).
A creepage breaker must be installed adjacent to the power supply.
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⚠ DANGER
Indicates an imminently hazardous situation
which if not avoided, will result in death or serious injury.
⚠ WARNING
Indicates a potentially hazardous situation
which if not avoided, could result in death or serious injury.
⚠ CAUTION
Indicates a potentially hazardous situation
which if not avoided, may result in minor or moderate injury.
It is also used to alert against unsafe practices.
NOTE
Indicates situations that could only result in
accidental equipment or property damage.
WARNING
Indicates this appliance uses a flam-
mable refrigerant. If the refrigerant is
leaked and exposed to an external
ignition source, there is a risk of fire.
CAUTION
Indicates the operation manual should
be read carefully.
CAUTION
Indicates a service personnel should
be handling this equipment with
reference to the installation manual
CAUTION
Indicates information is available such
as the operating manual or installation
manual.
Explanation of symbols displayed on the unit
The precautions listed here are divided into the following types.
Meanings of DANGER, WARNING, CAUTION and NOTE
symbols.
ℹ INFORMATION
• Read these instructions carefully before installation. Keep this
manual for future reference.
• Improper installation of equipment or accessories may result
in electric shock, short-circuit, leakage, fire or other damage
to the equipment. Only use accessories made by the supplier,
which are specifically designed for the equipment.
• All the activities described in this manual must be carried
out by a licensed technician. Wear adequate personal
protection equipment while installing the unit or carrying
out maintenance activities.
• Contact Emerald for any further assistance.
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