TERMA AQUAPRO 6L User manual

Storage Electric Water Heater
TERMA AQUAPRO 6L
Instruction Manual

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TABLE OF CONTENTS
1 Cautions.................................................................................................. 2
2. Product introduction............................................................................... 5
3. Unit installation....................................................................................... 6
4. Methods of using.................................................................................... 9
5. Maintenance......................................................................................... 10
6. Troubleshooting.................................................................................... 11
GENERAL REMARK
• The installation and maintenance has to be carried out by qualied
professionals or authorized technicians.
• The manufacturer shall not be held responsible for any damage or
malfunction caused by wrong installation or failing to comply with
following instructions included in this pamphlet.
• For more detailed installation and maintenance guidelines, please refer to
below chapters.
1. CAUTIONS
Before installing this water heater, check and conrm that the earthing
on the supply socket is reliably grounded. Otherwise, the electrical water
heater can not be installed and used. Do not use extension boards.
Incorrect installation and use of this electrical water heater may result in
serious injuries and loss of property.

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Special cautions
The water heater is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision or
instructions concerning use of the appliance by a person responsible for
their safety. Children should be supervised to ensure that they do not play
with the heater.
The wall in which the electrical water heater is installed must be able to
bear the load more than two times of the heater lled fully with water
without distortion and cracks. Otherwise, other strengthening measures
must be adopted.
The supply socket must be earthed reliably. The installation height of
the supply socket must not be lower than 1.8m. The rated current of
the socket must not be lower than 16A. The socket and plug must be
kept dry to prevent electrical leakage. If the exible power supply cord is
damaged, the special supply cord provided by the manufacturer must be
selected, and replaced by the professional maintenance personnel.
The maximum inlet water pressure is 0.5MPa; the minimum inlet water
pressure is 0.1MPa, if this is necessary for the correct operation of the
appliance.
When using the heater for the rst time (or the rst use after
maintenance), the heater can not be switched on until it has been lled
fully with water. When lling the water, at least one of the outlet valves at
the outlet of the heater must be opened to exhaust the air. This valve can
be closed after the heater has been lled fully with water.
The pressure relief valve attached with the heater must be installed at
the cold water inlet of this heater, and make sure it is not exposed in the
foggy. The water may be outowed from pressure relief valve, so the
outow pipe must open wide in the air. In order to drain away the water
inside the inner container, it can be drained away from the pressure
release valve. Twist the thread screw of the pressure release valve off, and
lift the drain handle upwards(See Fig.1) . The drainage pipe connected
to the pressure release hole must be kept sloping downwards and in
a frost-free environment. The water may drip from the discharge pipe
of the pressure-relief device and that this pipe must be left open to the
atmosphere.
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Instruction Manual EN

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During heating, there may be drops of water dripping from the pressure
release hole of the pressure relief valve, this is a normal phenomenon.
The pressure release hole shall not be blocked under no circumstances,
otherwise, the heater may get damaged, even resulting in accidents. If
there is a large amount of water leak, please contact customer care
center for repair.
The pressure relief valve need to be checked and cleaned regularly, so as
to make sure it will not be blocked.
Since the water temperature inside the heater can reach up to 75°C, the
hot water must not be exposed to human bodies when it is initially used.
Adjust the water temperature to a suitable temperature to avoid scalding.
If any parts and components of this electrical water heater are damaged
please contact customer care center for repair.
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2. PRODUCT INFORMATION
NOTE:
This manual is applicable to the storage electric water heaters Terma
manufactured by this company.
Model Volume
(L)
Rated
Power
(W)
Rated
Voltage
(ACV)
Rated
Pressure
(MPa)
Rated Of
Water
Temperature
(°C)
Rated
Theromstat
SET (°C)
Protection
Class
Waterproof
Grade
Aquapro 6 6 1500 220-240 0,75 65 65 I IPX4
Technical Performance Parameters
Brief introduction of product structure
Instruction Manual EN
A
B
C
D
(Note: All dimensions are in mm)
Aquapro 6L
234
234
390
98

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Internal Wire Diagram
3. UNIT INSTALLATION
Installation Instruction
Install the supply socket in the wall. The requirements for the socket are
as follows: 250V/10A, single phase, three electrodes. It is recommended
to placed the socket on the right above the heater.
The height of the socket to the ground shall not be less than 1.8m (see
Fig.2).
Just place the water heater on a horizontal surface that can bear more
than 27kg.
1)
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When installing the electric water heater, the electric water heater must be
installed in the vertical direction of the trademark “Terma” on the casing.
If the electric water heater is not installed in the regulated direction, the
product may be damaged or even cause other losses.
NOTE:

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If the bathroom is too small, the heater can be installed at another place.
However, in order to reduce the pipeline heat losses, the installation
position of the heater shall be closed to the location shall be as near as
possible to the heater.
The dimension of each pipe part is G1/2” ; The massive pressure of inlet
should use Pa as the unit; The minimum pressure of inlet should use Pa
as the unit.
Connection of pressure relief valve with the heater on the inlet of the
water heater.
In order to avoid leakage when connecting the pipelines, the rubber seal
gaskets provided with the heater must be added at the end of the threads
to ensure leak proof joints (see Fig.3).
2)
1)
2)
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Instruction Manual EN
Pipelines Connection

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If the users want to realize a multi-way supply system, refer to the method
shown in g.4 for connection of the pipelines.
Please be sure to use the accessories provided by our company to install
this electric water heater. This electric water heater can not be hung on the
support until it has been conrmed to be rm and reliable. Otherwise, the
electric water heater may drop off from the wall, resulting in damage of the
heater, even serious accidents of injury. When determining the locations
of the bolt holes, it shall be ensured that there is a clearance not less than
0.2m on the right side of the electric heater, to convenient the maintenance
of the heater, if necessary.
4)
NOTE:

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During normal operation, the inlet valve shall be always kept open.
Instruction Manual EN
NOTE:
4. METHODS OF USING
• First, open any one of the outlet valves at the outlet of the water heater,
then, open the inlet valve. The water heater gets lled with water. When
water ows out of the outlet pipe it implies that the heater has been lled
fully with water, and the outlet valve can be closed.
• Insert the supply plug into the socket.
• If the indicator lights up, the thermostat will automatically control the
temperature. When the water temperature inside the heater has reached
the set temperature, it will switch off automatically, when the water
temperature falls below the set point the heater will be turned on
automatically to restore the heating.
1) Rotate the knob according to the marking on the knob to increase or
decrease the setting temperature.
2) The yellow LED is the heating light. The heating light will be ON once the
knob is rotated to adjust the temperature and will be OFF when the
heating process is nished.

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5. MAINTENANCE
Do cut off power supply before maintenance, to avoid danger like electric
shock.
WARNING:
Check the power plug and outlet as often as possible. Secure electrical
contact and also proper grounding must be provided. The plug and outlet
must not heat excessively.
If the heater is not used for a long time, especially in regions with low air
temperature(below 0OC), it is necessary to drain water from the heater to
prevent damage of the water heater, due to water freezing in the internal
tank.(Refer Cautions in this manual for the method to drain away the
water from the inner container).
To ensure long reliable water heater operation, it is recommended to
regularly clean the internal tank and remove deposits on the electric
heating element of the water heater, as well as check condition (fully
decomposed or not) of the magnesium anode and, if necessary, replace
it with a new one in case of full decomposition.Tank cleaning frequency
depends on hardness of water located in this territory. Cleaning must be
performed by special maintenance services. You can ask the seller for
address of the nearest service center.
The water heater is equipped with a thermal switch, which cuts off power
supply of the heating element upon
water overheating or its absence in the water heater. If the water heater is
connected to the mains, but water
is not heated and the indicator doesn’t light up, then the thermal switch
was switched off or not switched on.
To reset the water heater to the operating condition, it is necessary to:
1. De-energize the water heater, remove the plate of the side/lower cover.
2. Press the button, located at the center of the thermal switch, see Fig.6;
3. If the button is not pressed and there is no clicking, then you should
wait until the thermal switch cools down to the initial temperature.
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