Accorroni GREEN 500 S NEW User manual

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GREEN 500 S NEW
Monobloc heat pump water heater
with sanitary storage with additional exchangers
GREEN 500 S NEW
INSTALLATION MANUAL

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TABLE OF CONTENT
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SPECIFICATION
TEMPERATURE SENSOR CONVERSION TABLE...............
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INTRODUCTION
This manual
This manual includes the necessary information about the unit. Please read this manual carefully before
you use and maintain the unit.
The unit
The hot water heat pump is one of the most economical systems to heat the water for family domestic use.
Using free renewable energy from the air, the unit is highly efficient with low running costs. Its efficiency can be
up to 3 ~ 4 times more than conventional gas boilers or electrical heaters.
Waste Heat recovery
Units can be installed near the kitchen, in the boiler-room or the garage, basically in every room which has a
large number of waste-heat so that the unit has the higher energy efficiency even with very low outside
temperatures during the winter.
Hot water and dehumidification
Units can be placed in the laundry room or clothing room. When it produces hot water it lowers the temperature
and dehumidifies the room as well. The advantages can be experienced particularly in the humid season.
Storage room cooling
Units can be placed in the storage room as the low temperature keeps the food fresh.
Hot water and fresh air ventilation
Units can be placed in the garage, gym, basement etc. When it produces hot water, it cools the room and
supplies fresh air.
Compatible with different energy sources
Units can be compatible with solar panels, external heat pumps, boilers or other different energy sources.
Ecological and Economical Heating
Units are the most efficient and economical alternative to both fossil fuel boilers and heating systems. By making
use of the renewable source in the air, it consumes much less energy.
Compact design
Units are especially designed for offering sanitary hot water for family use. Its extremely compact structure and
elegant design are suitable for indoor installation.
Multiple Functions
The special design of the air inlet and outlet makes the unit suitable for various ways of connections. With
different ways of installation, the unit can work as just a heat pump but also as a fresh air blower, a dehumidifier,
or an energy recovery device.
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Other features
Stainless steel tank and a titanium anode assure the durability of components and the tank.
Highly efficient compressor with the R134a refrigerant.
Electrical element available in the unit as a back-up, assuring constant hot water even in extreme cold winters.
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SAFETY INSTRUCTIONS
To prevent injury to the user, other people, or property damage, the following instructions must be
followed. Incorrect operation due to ignoring of instructions may cause harm or damage.
Install the unit only when it complies with local regulations, by-laws and standards. Check the main
voltage and frequency. This unit is only suitable for earthed sockets, connection voltage 220 – 240 V ~ /
50Hz.
The following safety precautions should always be taken into account:
-Be sure to read the following WARNING before installing the unit.
-Be sure to observe the cautions specified here as they include important items related to safety.
-After reading these instructions, be sure to keep it in a handy place for future reference.
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Warning
Do not install the unit yourself.
Incorrect installation could cause injury due to fire, electric shock, the unit falling or leakage of water.
Consult the dealer from whom you purchased the unit or a specialized installer.
Install the unit securely in a place.
When insufficiently installed, the unit could fall causing injury. The bearing surface should be flat to bear
the weight of the unit and suitable for installing the unit without increasing noise or vibration. When
installing the unit in a small room, please take measures (like sufficient ventilation) to prevent the
asphyxia caused by the leakage of refrigerant.
Use the specified electrical wires and attach the wires firmly to the terminal board (connection in
such a way that the stress of the wires is not applied to the sections).
Incorrect connection and fixing could cause a fire.
Be sure to use the provided or specified parts for the installation work.
The use of defective parts could cause an injury due to possible fire, electric shocks, the unit falling etc.
Perform the installation securely and please refer to the installation instructions.
Incorrect installation could cause an injury due to possible fire, electric shocks, the unit falling, leakage of
water etc.
Perform electrical work according to the installation manual and be sure to use a dedicated
section, fused with 16A.
If the capacity of the power circuit is insufficient or there is an incomplete electrical circuit, it could result
in a fire or an electric shock.
The unit must always have an earthed connection.
If the power supply is not earthed, you may not connect the unit.
Never use an extension cable to connect the unit to the electric power supply.
If there is no suitable, earthed wall socket available, have one installed by a recognized electrician.
Do not move/repair the unit yourself.
If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similarly
qualified person in order to avoid a hazard. Improper movement or repair on the unit could lead to water
leakage, electrical shock, injury or fire.
The unit is no intended for use by children.
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Children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities
or lack of experience and knowledge can use this appliance if they have been given supervision of
instruction concerning use of the appliance in a safe way and understand the hazards involved. Children
shall not play with the appliance. Children without supervision shall not make Cleaning and user
maintenance.
Do not tear off the labels on the unit.
The labels are for the purpose of warning or reminding, keeping them can ensure your safe operations.
Caution
Do not install the unit in a place where there is a chance of flammable gas leaks.
If there is a gas leak and gas accumulates in the area surrounding the unit, it could cause an explosion.
Perform the drainage/piping work according to the installation instruction.
If there is a defect in the drainage/piping work, water could leak from the unit and household goods could
get wet and be damaged.
Do not clean the unit when the power is ‘ON’.
Always shut ‘OFF’ the power when cleaning or servicing the unit. If not, it could cause an injury due to
the high speed running fan or an electrical shock.
Do not continue to run the unit when there is something wrong or there is a strange smell.
The power supply needs to be shut ‘OFF’ to stop the unit; otherwise this may cause an electrical shock
or fire.
Do not put your fingers or others into the fan, or evaporator.
The inside parts of the heat pump may run at high speed or high temperature, they could cause serious
injury. Do not remove the grills on the fan outlet and top cover.
The hot water probable need to mix with cold water for terminal usage, too hot water (over 50℃) in the
heating unit may cause injury.
The installation height of power supply should be over 1.8m, if any water may spatter, the unit can be
safe from water.
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ITEMS INSIDE PRODUCT BOX
Before starting the installation, please make sure that all parts are found inside the box.
The Unit Box
Item Quantity
Domestic hot water heat pump 1
Operation and Installation Manual 1
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OVERVIEW OF THE UNIT
Parts and descriptions
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Parts and descriptions
比例 1.000
Water tank
Compressor
Electronic expansion valve
Evaporator
4-way valve
Fan plate
PCB
Fan
Controller
Thermostat Switch
Electrical box
PCB for
titaniumanode
Transfermor
Top cover
Titanium anode

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Model: GREEN 500 S NEW
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Condensor niardretaw
retawrosnednoC
outlet/drain
outlet
teltuoraloS
liocraloS
retaehlacirtcelE
telniraloS
teltuoretawtoH
C
B
A
NO
LM
H
D
K
F
G
E
Lower tank water temp sensor /
80℃automatic reset protector
85℃manual reset protector
External Aluminum pipe
Upper tank water
temp sensor
Titanium
anode
A
B
C
D
E
F
G
H
L
M
N
K
O
GREEN 500 S NEW
700
40
1633
1252
2253
455
1520
893
1683
32.5
35
280
613
Solar inlet sensor pipe
TO PUMP
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Disinfection cycle
Schematic overview of the water and refrigeration circuit
This unit is equipped with titanium anode
The titanium anode is an anti-corrosion element. It is pre-installed in the tank and protects both
the tank and the other internal components, extending their life. It does not need maintenance
and allows to improve the quality of the water contained in the tank. In case the titanium anode
does not work correctly, the error code E6 appears in the display of the Unit.
This unit has automatic disinfection cycle which starts every 7 days. User can set the
temperature and duration time of disinfection, as well as the time at which disinfection should
start weekly.
Solar cold water return
Hot water outlet
Cold water inlet
Water Tank
Low pressure
switch
Temp. sensor
Four-way valve
Temp. sensor
Air outlet
Evaporator
Compressor
Electronic
Expansion
Valve
Solar hot water supply
Air inlet
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INSTALLATION
Asked your supplier to install the unit. Incomplete installation performed by yourself may
result in a water leakage, electric shock, or fire.
Indoor installation is highly recommended. It is not allowed to install the unit at outdoor or
rain achieving place.
The installation place without direct sunlight and other heat supplies is recommended. If
no way to avoid these, please install a covering.
The unit must be securely fixed to avoid noise and shaking.
Make sure that there’s no remora around the unit.
In the place where there is strong wind, fix the unit in the location protected from the wind.
Transportation
As a rule, the unit is to be stored and/or transported in its shipping container in upright position and
without water charge. For a transport over short distance (provided that it is done with care), an
inclination angle up to 30 degrees is permitted, both during transport and storage. Ambient temperatures
of –20 to +70 degrees Celsius are permitted.
-Transport using a forklift
When transported by a forklift, the unit must remain mounted on the pallet. The lifting rate should be kept
to a minimum. Due to its top-heaviness, the unit must be secured against tipping over.
To prevent any damage, the unit must be placed on a level surface.
-Manual transport
For the manual transport, a wooden/plastic pallet can be used. Using ropes or carrying straps, a second
or third handling configuration is possible. With this type of handling, it is advised that the maximum
permissible inclination angle of 45 degree is not exceeded. If transport in an inclined position cannot be
avoided, the unit should be taken into operation one hour after it has been moved into final position.
ATTENTION: DUE TO THE HIGH CENTER OF GRAVITY, LOW OVERTURNING MOMENT, THE
UNIT MUST BE SECURED AGAINST TIPPING OVER.
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Required service space
Below you will find the minimum space required to be able to complete service and maintenance tasks
on the units.
Note:
-If air inlet and/or outlet pipes are connected, portion airflow and capacity in heat pump unit will lose.
-If the unit connects with air ducts it should be DN 180mm for pipes or 180mm internal diameter
flexible hose. Total length of the ducts should not be longer than 8m or the maximum static pressure
should not exceed than 60Pa. Be in mind of bending site of the duct no more than 4m.
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比例 1.000
Min 450mm
Min 200mm
比例 1.000

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Installation overview
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ATTENTION:
The one-way safety valve must be installed. If not, it could cause damage to the unit, or even hurt
people. The set point of this safety valve is 0.7 MPa. For the installation place, please refer to the
pipeline connection sketch.
-The discharge pipe connected to the one-way safety valve is to be installed in a continuously
downward direction and in a frost-free environment.
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Domestic Hot
Water
Thermal Solar
Mixing Valve
(optional)
Condensate
Drain
Recirculating
Pump
(optional)
Solar Pump
Safety
valve
Hot
Water
Outlet
Inlet Solar
system
Outlet Solar
system
Inlet Cold Water
Water
Drain
Expansion
Valve
One Way
Valve
Y strainer
Water Feed
. . . . . . . . . .
. .
.
...
. . . . . .... .
. . . ..
. . . ..
. .
.. .
.
.. ..
.
.
. . . . . . .
Air outlet Air inlet

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-The water may drip from the discharge pipe of the one-way safety valve and that this pipe must be
left open to the atmosphere.
-The one-way safety valve is to be operated regularly to remove lime deposits and to verify that it is
not blocked. Please beware of burn, because of the high temperature of water.
-The tank water can be drained through the drainage hole on the bottom of the tank.
-After all the pipes installed turn on the cold water inlet and hot water outlet to fill the tank. When there
is water normally following out from water outlet, the tank is full. Turn off all valves and check all
pipes. If any leakage, please repair.
-If the inlet water pressure is less than 0.15MPa, a pressure pump should be installed at the water
inlet. For ensure the long safety using age of tank at the condition of water supply hydraulic higher
than 0.65MPa, a reducing valve should be mounted at the water inlet pipe.
-Filters are needed in the air inlet. If the unit is connected with ducts, filter in there must be put forward
to the air inlet of duct.
-To fluently drain condensate water from evaporator, please install the unit at the horizontal floor.
Otherwise, please make sure the drain vent is at the lowest place. Recommending the inclination
angle of unit to be ground should no more than 2 degree.
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Installation positions
(1) Waste heat can be useful heat
Units can be installed near the kitchen, in the boiler-room or the garage, basically in every room
which has a large number of waste-heat so that the unit has the higher energy efficiency even with
very low outside temperatures during the winter.
(2) Hot water and dehumidification
Units can be placed in the laundry room or clothing room. When it produces hot water it lowers the
temperature and dehumidifies the room as well. The advantages can be experienced particularly in
the humid season.
(3) Solar panel or external heat pump could be the second heat source
Units can work with solar panel, external heat pump, boiler or other different energy source.
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NOTE:
· Choose the right path to move the unit.
· This unit complies with the relevant technical standards of electrical equipment.
Water loop connection
Please pay attention to the below points when connecting the water loop pipe:
1. Try to reduce the water loop resistance
2. Make sure there is nothing in the pipe and the water loop is smooth, check the pipe carefully to
see if there is any leak, and then pack the pipe with the insulation.
3. Install the one way valve and safety valve in the water circulation system.
4. The nominal pipe wide of the field- installed sanitary installations must be selected on the basis of
the available water pressure and the expected pressure drop within the piping system.
5. The water pipes may be of the flexible type. To prevent corrosion damage, make sure that the
materials used in the piping system are compatible.
6. When installing the pipe-work on the customers’ site, any contamination of the piping system
must be avoided.
Water affusion and water emptying
Water Affusion:
If the unit is used for the first time or used again after emptying the tank, please make sure that the tank
is full of water before turning on the power.
-Open the cold water inlet and hot water outlet.
-Start the water affusion. When there is water normally flowing out from the hot water outlet, the tank
is full.
-Turn off the hot water outlet valve and water affusion is finished.
ATTENTION: Operation without water in water tank may result in damage of auxiliary e-heater!
Water emptying:
If the unit needs cleaning, moving etc, the tank should be emptied.
-Close the cold water inlet
-Open the hot water outlet and open the manual valve of drainpipe
-Start the water emptying.
-After emptying, close the manual valve.
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Wire connection
•The specification of the power supply wire is 3*1.5 mm².
•Fuse specification is T 3.15A 250V
•There must be a switch when connecting the unit to the power system. The current of the switch
is 10A.
•The unit must be installed a Creepage Breaker near the power supply and must be effectively
earthed. The specification of the creepage breaker is 30mA, less than 0.1sec.
THE APPLIANCE SHALL BE INSTALLED IN ACCORDANCE WITH NATIONAL WIRING
REGULATIONS.
Trial running
Checks before trial running
•Check both the water in the tank as well as the water pipe connection.
•Check the power system, make sure that the power supply is normal and the wire connection is
ok.
•Check the inlet water pressure, make sure that the pressure is sufficient (above 0.15Mpa).
•Check if any water flows out from the hot water outlet, make sure that the tank is full of water
before turning on the power.
•Check the unit; make sure everything is ok before turning ‘ON’ the power of the unit, check the
light on the wire controller when the unit runs.
•Use the wire controller to start the unit.
•Listen to the unit carefully when turning ‘ON’ the power of the unit. Turn the power ‘OFF’ when
you hear an abnormal sound.
•Measure the water temperature, to check the undulation of the water temperature.
•Once the parameters have been set, the user cannot change the parameters optionally. Please
use a qualified service person to do this.
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OPERATION THE UNIT
User interface and operation
Electrical heater
‘ON’/’OFF’ button
Unit ‘ON’/’OFF’ button
Set button
Clock/Timer setting button
UP adjust button DOWN adjust button
Operations
1. Power ‘ON’
When turning ‘ON’ the power, whole icons are displayed on the controller screen for 3 seconds. After
checking if everything is ok, the unit enters into the standby mode.
2. button
Press this button and keep for 2 seconds when the unit is standby, the unit can be turned ‘ON’.
Press this button and keep for 2 seconds when the unit is running, the unit can be turned ‘OFF’.
Short press this button to entry or exit the parameter setting or checking.
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3. And buttons
-These are the multi-purpose buttons. They are used for the temp setting, parameter setting,
parameter checking, clock adjustment and adjustment of the timer.
-During running status, press or button to adjust the setting temperature directly.
-Press these buttons when the unit is on clock setting status, the hour(s) and the minute(s) of the
clock time can be adjusted.
-Press these buttons when the unit is on timer setting status, the hour(s) and the minute(s) of the
timer ‘ON’/’OFF’ can be adjusted.
-Press and buttons at the same time and hold for 5 seconds, the buttons are locked.
-Press and buttons at the same time and hold for 5 seconds again, the buttons are
unlocked.
4．button
Clock setting:
- After power on, short press button to entry the clock setting interface, hour and minute icons
“88:88” flash together;
- Short press button to switch hour/minute setting, press the and buttons to set the exact
hour(s) and minute(s);
- Press button again to confirm and exit.
Timer setting:
- After power on, long press button for 5 seconds to entry the timer setting interface, the timer on
icon and hour icon “88:” flash together;
- Press the and buttons to set the exact hour(s).
- Press button to transfer to minute setting, minute icon “:88” flash, press the and buttons
to set the exact minute(s).
- Press button again to transfer to timer off setting, the timer off icon and hour icon “88:” flash
together.
- Press the and buttons to set the exact hour(s).
- Press button to transfer to minute setting, minute icon “:88” flash, press the and buttons
to set the exact minute(s).
- Press button again to save and exit the timer setting interface.
Press button to cancel the timer settings during the timer ‘ON’ (or timer ‘OFF’) programming.
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NOTE:
1) The timer ‘ON’ and timer ‘OFF’ functions can be set at the same time.
2) The timer settings are repeating.
3) The timer settings are still valid after a sudden power cut.
6．button
1)When the heat pump is ON, press t his button to turn ‘ON’ the electrical heater. The heater icon
will be showed, and the electrical heater will work according to t he control program (parameter 3).
2) When the heat pump is ON, press t his button and hold for 5 seconds to enable or disable the fan
ventilation function.
3) When the heat pump is OFF, press t his button to entry E-heater heating mode.
7．button
1) Check t he t emperatures and EXV open steps (running parameter)
-Press t his button to entry t emp and EXV open step checking.
-Press t he and buttons t o check the temp sensor values and EXV open steps (parameters
A-H).
2) Check t he system parameters
-In any status, press this butt on and hold for 5 seconds, entry the system parameter checking
interface.
-Press t he and buttons t o check the system parameters.
3) Adjust t he system parameters
8．Error codes
During standby or running status, if there is a malfunction, the unit will stop automatically and show
t he error code on the left screen of the controller.
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Manufacturer parameters (password 76 or 29)
When the unit is off, press and 2s to enter the password, water temp area
blinking(only 00 display),press “ ”to enter the password "7", press “ "again to enter password "6"，
then press " "to confirm(lf the password is wrong, it will return to home page,Enter another password)
After entering parameter modify page, press “ “ “ ” to select the parameter need to be modified.
Press ""to confirm the selection, press “ ” “ ” to modify the parameter. Press " "to confirm the
modification and return to home page
No operation for 10s, the modification will be saved automatically and return to home page. Press "”
could return to home page as well.
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NOTE: The parameters have been set; the user cannot change the parameters optionally. Please ask a
qualiÿed service person to do this when required.
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