GeoSmart NETZERO BW Series Operating manual

TECHNICAL SERVICE MANUAL
EN
NETZERO BW
MODEL:
SERVICE CONTACT:
NETZERO CW

Contents
1. Controller user guide ..............................................................................................................................................................4
1.1. Control panel ......................................................................................................................................................................... 4
1.2. Main screen ........................................................................................................................................................................... 5
1.3. Active components ................................................................................................................................................................ 5
1.4. Mode...................................................................................................................................................................................... 6
1.5. Operation program ................................................................................................................................................................ 7
1.6. Heat pump status...................................................................................................................................................................8
1.7. List of user menus ................................................................................................................................................................ 10
1.8. Parameter adjustment .........................................................................................................................................................11
1.9. ON/OFF Menu......................................................................................................................................................................11
1.10. PROGRAMMING Menu ........................................................................................................................................................12
1.11. HEATING Menu ....................................................................................................................................................................13
1.12. COOLING Menu....................................................................................................................................................................14
1.13. DHW/LEGIONELLA PROT. Menu ..........................................................................................................................................14
1.14. POOL Menu.......................................................................................................................................................................... 15
1.15. E-MANAGER Menu............................................................................................................................................................... 15
1.16. INFORMATION Menu ........................................................................................................................................................... 16
1.17. ALARMS Menu .....................................................................................................................................................................18
2. Controller Technical Service Guide........................................................................................................................................ 19
2.1. Language selection............................................................................................................................................................... 19
2.2. Selecting the heat pump model ...........................................................................................................................................20
2.3. Configuration of the source system .....................................................................................................................................20
2.4. Configuration of the heating system.................................................................................................................................... 21
2.5. Configuration of the cooling system ....................................................................................................................................23
2.6. Configuration of the DHW production service.....................................................................................................................26
2.7. Configuration of the pool service.........................................................................................................................................26
2.8. Configuration of production priorities .................................................................................................................................27
2.9. Activation of special programs............................................................................................................................................. 27
2.10. Configuration e-Manager..................................................................................................................................................... 27
2.11. Configuration of auxiliary equipment .................................................................................................................................. 28
2.12. Configuration of remote control options.............................................................................................................................30
2.13. Protection configuration ......................................................................................................................................................32
2.14. Probe configuration .............................................................................................................................................................33
2.15. Technical information menu ................................................................................................................................................ 34
2.16. Manual activation of components .......................................................................................................................................35
2.17. Alarm log.............................................................................................................................................................................. 35
2.18. Default values ......................................................................................................................................................................35
2.19. Change password................................................................................................................................................................. 36
3. Technical specifications NETZERO BW | NETZERO CW........................................................................................................... 37
3.1. Component location ............................................................................................................................................................37
3.2. Power circuit diagram ..........................................................................................................................................................43
3.3. Electrical connection tables .................................................................................................................................................45
3.4. Operation map.....................................................................................................................................................................47
3.5. Operation curves.................................................................................................................................................................. 48
3.6. Load losses ...........................................................................................................................................................................52
3.7. Source circulation pump ......................................................................................................................................................53
3.8. Production circulator pumps ............................................................................................................................................... 55
3.9. Technical data table ............................................................................................................................................................. 57

Installer manual NETZERO
GEOSMART ENERGY 4
EN
1. Controller user guide
NOTE
The information included below corresponds to application versions launched after January 2016. Other
versions, both earlier and later, may differ slightly from the contents found in this section.
There might be screens or screen contents that are not shown, depending on the heat pump model and
the settings configured by the technical service.
If the following screen appears when accessing a menu, this means that the service
requested has not been enabled by the technical service.
1.1. Control panel
The heat pump control panel has a screen with 6 buttons, like the one shown in the illustration below. The buttons are used to move
through the various user menus and to adjust the parameters.
Figure 1.1. Control panel.
The general functions and operation of each of the buttons are indicated below.
The ALARMS menu can be accessed directly from anywhere in the application.
The list of user menus can be accessed from anywhere in the application.
The user can return to the previous menu from anywhere in the application.
This allows the user to move through the menu lists.
This allows the user to move from one screen to another inside a menu.
This is used to adjust the settings of the parameters contained in a screen.
This is used from the main menu to access the adjustment of the outlet temperatures for heating and cooling
.
This allows the user to access the selected menu.
This is used to move from one adjustable parameter to another in the same screen.
This is used to access the INFORMATION menu directly from the main screen.

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1.2. Main screen
The main screen of the application contains a series of fields with information about heat pump operation.
Figure 1.2. Description of the main screen.
1.3. Active components
This field shows the main components of the heat pump that are activated. A consumption bar is also shown for the compressor and
modulating circulator pumps.
Aerothermal fan activated
Source pump activated
Compressor in start-up phase
Compressor activated
Compressor in shut-down phase
Production pump activated
Heating units activated
Cooling units activated
Auxiliary heating unit activated
HTR system activated
Crankcase heating activated.
06/11/2016 Fri 14:25
1.7 5.1
Energy meter
Operation mode
Status
Active components
Operation program
Date and time

Installer manual NETZERO
GEOSMART ENERGY 6
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1.4. Mode
This field shows the icons that indicate the operating modes that are active. Several operating modes can be viewed simultaneously,
depending on the heat pump model and the configuration set up by the technical service.
DIRECT HEATING Mode / DIRECT COOLING Mode
The heat pump sends hot / cold water directly to the heating / cooling system and adjusts the power supply to the
consumption of the home. The outlet temperature and flow are constantly controlled to optimize installation
performance.
These modes are activated when the heat pump receives a heating / cooling request from the interior terminals
installed in the home (thermostats, th-Tune terminals, thT terminals or TH sensors).
BUFFER HEATING Mode / BUFFER COOLING Mode
The heat pump sends hot / cold water to the buffer storage tank of the heating / cooling system. The power supply,
flow and outlet temperature are constantly controlled to maintain storage tank temperature and optimize
installation performance.
These modes are activated when the buffer storage tank temperature is lower / higher than the differential of
start-up temperatures.
DHW mode
The heat pump sends hot water to increase the temperature of the storage tank so it reaches the DHW setpoint
temperature as soon as possible.
This mode is activated when the DHW storage tank temperature is lower than the differential of start-up
temperatures.
POOL mode
The heat pump sends hot water to the pool production exchanger and adjusts the power supply. The outlet
temperature and flow are constantly controlled to optimize installation performance.
This mode is activated when the heat pump receives a demand for pool production.
LEGIONELLA PROTECTION Mode
The heat pump raises the temperature of the storage tank to the final temperature set by the technical service for
the legionella protection program. Heating is produced initially by the compressor, followed by activation of the
auxiliary DHW system, if there is one, until the final temperature is reached.
This mode is activated in compliance with the provisions in the weekly legionella protection program.
DEFROST mode
The normal operation of the heat pump is interrupted to eliminate any frost in the battery. Once defrosting has
ended, the heat pump will continue operating as before.
This mode is activated as per the parameters configured in the installer menu.
ANTI-FREEZE mode
Even if there is no request, the heat pump activates the heating production, activating the compressor if necessary
to prevent the water in the heating circuit from freezing.
DRYING HEATING FLOOR mode (Only visible with floor drying activated)
The heat pump sends hot water directly to the underfloor heating system, adjusting the delivered temperature to
the one previously set in the "underfloor heating - floor drying" menu and running for whatever period of time has
been set in that menu.
Note: After all the stages set in the floor drying program are completed, the heat pump returns to normal operation
and this screen disappears. If there are requests for the enabled services, the heat pump deals with them.

Installer manual NETZERO
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NOTE
Activation of the various OPERATING MODES may be affected by the time schedule functions or heat
pump service priorities (DHW, HEATING, COOLING, POOL).
The activation of the HEATING and COOLING operating modes may be affected by service shut-down
temperatures.
Apart from the icons that define the operating modes, the following icons can also be found in this field.
Operation
This indicates thermal energy transfer between circuits.
If the icon is shown continuously, this indicates normal heat pump operation.
If the icon flashes, there is a heat pump protection activated.
Energy source
Power removal or injection at the energy source.
Cycle inversion
The HEAT/COLD production cycle is being inverted. Only for reversible heat pumps.
Wait
Compressor start-up is deactivated due to standby between start-
ups (15 minutes). The minutes remaining for the
compressor to start up are shown next to the icon.
STAND
-BY
No demand. The heat pump remains in standby because there is no demand.
1.5. Operation program
The heat pump operation program determines which operation modes can be activated.
WINTER program
The heat pump does not allow activation of the PASSIVE COLD and ACTIVE COLD operating modes.
SUMMER program
The heat pump does not allow activation of the HEATING operating mode.
COMBINED program
The heat pump allows activation of any operating mode.
AUTO program
The heat pump automatically switches between the WINTER/SUMMER operating programs, depending on the
outside temperature. The temperatures and time required for the switch must be adjusted by the user.
REMOTE Control
WINTER / SUMMER program selection is triggered by an external signal.

Installer manual NETZERO
GEOSMART ENERGY 8
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1.6. Heat pump status
This indicates heat pump availability to service the various heat pump functions.
ON status
The heat pump is on and available to activate all its functions.
ON + EVU status
The heat pump is on but the compressor is deactivated by the EVU signal. Secondary functions such as
outlet unit start-up, DHW recirculation, etc. can be activated.
ON + SURPLUS CONTROL status
The heat pump is on and the comfort conditions are fulfilled to take advantage of the electric surplus. Only
available with ecoSmart e-manager / e-system.
ON + CONSUMPTION CONTROL status
The heat pump is on and adjust the total consumption of the installation to the maximum limit set by the
installer. Only available with ecoSmart e-manager / e-system.
ON + TARIFF CONTROL status
The heat pump is on due to a tariff control schedule or calendar, therefore, the setpoint may vary
depending on what is set in the calendars.
ON + SMART GRID status
The heat pump is on and fulfilling any SG state.
SG1 (Normal status): The heat pump operates normally according to their configuration.
SG2 (Reduced tariff): We are in a reduced tariff period, so we will take advantage of the lower price of
electricity to change heat pump setpoints and produce more heat and cold.
SG3 (Locked status): The heat pump is on, but limits the high consumptions, therefore, it sends a
compressor and heater lock signal.
SG4 (Forced status): The heat pump will force the maximum possible consumption in the installation to
help balance the grid.
ON + NIGHT SCHEDULE status
The heat pump is on and available to activate all its functions, but performance is limited by night-time
schedule programming.
OFF status from control panel
The heat pump is switched off from the front panel of the controller and is therefore not available to
activate any of its functions.
OFF status due to time schedule or calendar
The heat pump is off due to an active time schedule or calendar and is therefore not available to activate
any of its functions.
OFF status due to data bus signal
The heat pump is off due to an external signal through the data bus and is therefore not available to
activate any of its functions.

Installer manual NETZERO
GEOSMART ENERGY 9
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OFF status due to supervisor
In facilities with several units operating in parallel, the heat pump is switched off by the supervisor and is
therefore not available to activate any of its functions.
EMERGENCY status from control panel
The heat pump is in emergency status, activated manually from the front panel of the controller. The
compressor cannot be started up, but the services can be attended to if there is an auxiliary unit enabled
for emergency situations.
EMERGENCY status due to active alarm
The heat pump is in emergency status due to an active alarm. The compressor cannot be started up, but
the services can be attended to if there is an auxiliary unit enabled for emergency situations.
EMERGENCY status due to repeated alarms
The heat pump is in emergency status due to an alarm that goes off repeatedly. The compressor cannot
be started up, but the services can be attended to if there is an auxiliary unit enabled for emergency
situations.
NOTE
The EVU signal is used in some countries by the electricity company to control electrical consumption.
The EVU signal prevents energy production by the compressor and the auxiliary equipment. Circulator
pumps, valves and other components can be activated to consume energy from the storage systems.

Installer manual NETZERO
GEOSMART ENERGY 10
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1.7. List of user menus
Follow the instructions below to browse through the various user menus. Each menu has a series of screens that are used to change
heat pump STATUS and OPERATION MODE, adjust comfort parameters and view desired information.
Figure 1.3. Browsing through the list of user menus.
XXXXXX
XXXXXX
XXXXXX
06/11/2016 Mon
14:25
1.7 5.1
User menu 1/9
On/Off
Schedule
Heating
User menu 2/9
On/Off
Programming
Heating
User menu 3/9
Schedule
Heating
Cooling
User menu 4/9
Heating
Cooling
DHW/Legionella prot.
User menu 5/9
Cooling
DHW/Legionella prot.
Pool
User menu 6/9
DHW/Legionella prot.
Pool
e-Manager
User menu 7/9
e-Manager
Information
Alarms
User menu 9/9
e-Manager
Information
Alarms
User menu 8/9
e-Manager
Information
Alarms

Installer manual NETZERO
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1.8. Parameter adjustment
Take the following steps to change a parameter:
1. Search for the screen containing the parameter that needs adjusting (see Section 1.7).
2. With the cursor in position 1 press on to enter the screen and move the cursor to the parameter in position 2.
3. Adjust the parameter in position 2 using buttons .
4. Press to accept and move the cursor to position 3.
5. Adjust the parameter in position 3 with buttons .
6. Press to accept and return to position 1.
7. With the cursor in position 1 again, press buttons to go to the previous or next screen, or to return to the list of
user menus.
Figure 1.4. Adjusting comfort parameters.
1.9. ON/OFF Menu
On/Off
Shows the direction of the unit.
Used to switch the heat pump on / off or to activate the EMERGENCY status.
Also used to choose the operation program.
Setting up the AUTO program
The AUTO program can be used to adjust the outdoor temperatures and the time needed
to switch between the WINTER and SUMMER programs.
NOTE
The selected status of the heat pump can be changed automatically using the time schedule functions,
calendar or using active alarms.
User menu 1/8
On/Off
Schedule
Heating
On/Off
Unit address: 1
State:
Program:
AUTO settings
Summer/Winter change
Winter: 12.0ºC
Summer: 26.0ºC
Time to change: 5h
Position 2
Position 3
Position 1

Installer manual NETZERO
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1.10. PROGRAMMING Menu
Date/Time
This is used to adjust the day of the week, date (DD/MM/YY) and time (HH:MM 24-hour
format) of the controller.
Daily saving time
The settings of automatic time change between seasons (autumn-winter / spring-summer)
can be adjusted.
Heat pump schedule
This allows programming up to 4 time periods for each day of the week to switch the heat
pump on / off.
Holiday calendar
This can be used to program up to 3 periods a year when the heat pump stays on or off.
Night-time
This is used to set up a daily time period when the maximum speed of the compressor or
unit heater is limited. This function is especially useful to reduce noise emissions at night.
DHW Schedule / Heating Schedule / Cooling Schedule / Pool Schedule / BC Schedule
This allows programming up to 4 time periods for each day of the week.
Independent time schedules can be set up for DHW, HEATING, COOLING AND POOL
services.
Holiday calendar
This can be used to program up to 3 periods a year when the heat pump stays on or off.
User menu 2/8
On/Off
Programming
Heating
Programming 1/4
a.Date/time
b.Schedule
c.Weekly schedule
Date/Time
Day:
Sunday
Date:
06/12/15
Time:
07:25
Daily saving time
Enable:
Transition time:
60min
Start:
Last
SUN
in MARCH at 2:00
End:
Last
SUN
in OCTOBER at 3:00
User menu 2/8
On/Off
Programming
Heating
Programming 2/4
a.Date/time
b.Schedule
c.Weekly schedule
Heat pump schedule
Enable:
Day:
MONDAY
Copy to:
MONDAY
NO
1:
04:00
ON
2:
06:00
ON
3:
10:00
ON
4:
04:00
OFF
Holiday schedule
Enable:
State:
Swiched Off
Sp. Season
Start
Stop
1.Month/Day
00/00
00/00
2.Month/Day
00/00
00/00
3.Month/Day
00/00
00/00
User menu 2/8
On/Off
Programming
Heating
Programming 3/4
a.Date/time
b.Schedule
c.Weekly schedule
Night-time
Enable
Start:
23:00
End:
7:00
Compressor: 50.0%
Air Unit: 40.0%
XXXXXX
Enable:
Day:
MONDAY
Copy to:
MONDAY
NO
1:
04:00
ON 45ºC
2:
06:00
ON 55ºC
3:
10:00
ON 40ºC
4:
04:00
OFF ºC
Holiday schedule
Enable:
State:
Swiched Off
Sp. Season
Start
Stop
1.Month/Day
00/00
00/00
2.Month/Day
00/00
00/00
3.Month/Day
00/00
00/00

Installer manual NETZERO
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Peak / valley tariff for Winter / summer
This allows programming up to 4 time periods for each day of the week.
Independent time schedules can be set up for winter peak, winter valley, summer peak and
summer valley tariffs.
Temperature differential for winter / summer tariff
This allows configure the temperature differentials on the heat pump setpoint in the peak
and valley periods for each service in winter / summer period.
1.11. HEATING Menu
Heating
This enables the HEATING mode and adjusts the heating cut-off temperature. The HEATING
mode is never activated for temperatures over the cut-off setpoint.
The icon indicates that there is a time schedule activated in the HEATING mode.
Heating buffer
This shows the setpoint temperature of the buffer storage tank and allows adjustments to
be made to the start-up temperature differential.
Heating units
This can be used to adjust the heating target outlet temperatures programmed by the
technical service. Each ramp increases or decreases the outlet temperature by 2°C.
Interior terminals
Used to show and adjust the inside environment temperature setpoint (Tcons) and the
comfort temperature differential (DTc) of the terminals of each outlet unit.
If the heat pump is in the COMBINED program, it can also be used to show and adjust the
temperature switch differential (DTsw) between HEATING and COOLING modes.
Auxiliary X heating
This is used to enable the auxiliary heating system in both EMERGENCY and SUPPORT
mode.
In EMERGENCY mode, the auxiliary system is activated automatically when any of the
alarms are active.
In SUPPORT mode, the auxiliary system is activated automatically for normal HEAT
production, as programmed by the technical service.
User menu 2/8
On/Off
Programming
Heating
Programming 4/4
b.Schedule
c.Weekly schedule
d.Tariff Control
XXXXXX scheduler
Day:
Monday
1:
00:00
OFF
2:
08:00
ON
3:
10:00
OFF
4:
20:00
ON
Copy to: ALL
XXXXXX tariff
Peak
Valley
DHW:
-2 2 ºC
Heating: -5 5 ºC
Cooling: 2 -2 ºC
Pool:
-5 5 ºC
User menu 3/8
Schedule
Heating
Cooling
Heating
Enable:
StopT:
16.0ºC
Heating buffer
SetT:
50.0ºC
DTstart: 5.0ºC
Heating groups
- 0 + - 0 +
DG1:
SG2:
SG3:
SG4:
Room terminals
SetT
DTc
ºC ºC
DG1:
20.0 2.0
SG2:
21.0 2.0
SG3:
22.0 2.0
SG4:
21.0 2.0
Auxiliary heating X
Emergency:
Support:

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1.12. COOLING Menu
Cooling
This is used to enable the COOLING mode and adjust the active and passive cooling cut-off
temperatures. The COOLING mode cannot be activated for outside temperatures under the
cooling cut-
off temperature. Only PASSIVE COOLING can be activated for outside
temperatures between passive and active cut-
off temperatures. ACTIVE COOLING
activation is only allowed for outside temperatures over the active cooling cut-off
temperature.
The icon indicates that there is a time schedule activated in the COOLING mode.
Cooling buffer
This shows the setpoint temperature of the cooling buffer storage tank and allows
adjustments to be made to the start-up temperature differential.
Cooling units
This can be used to adjust the cooling target outlet temperatures programmed by the
technical service. Each ramp increases or decreases the outlet temperature by 2°C.
Interior terminals
Used to show and adjust the inside environment temperature setpoint (Tcons) and the
comfort temperature differential (DTc) of the terminals of each outlet unit.
If the heat pump is in the COMBINED program, it can also be used to show and adjust the
temperature switch differential (DTsw) between HEATING and COOLING modes.
Auxiliary X cooling
Used to enable the auxiliary heating system in both EMERGENCY and SUPPORT mode.
In EMERGENCY mode, the auxiliary system is activated automatically if there are any active
alarms that prevent compressor start-up.
In SUPPORT mode, the auxiliary system is activated automatically for normal COOL AIR
production, as programmed by the technical service.
1.13. DHW/LEGIONELLA PROT. Menu
DHW
This is used to enable the DHW mode and adjust the setpoint temperature and start-up
temperature differential for the DHW storage tank. It is also used to adjust the setpoint
temperature for DHW heating with the HTR system.
The icon indicates that there is a time schedule activated in the DHW mode.
User menu 4/8
Heating
Cooling
DHW/Legionella prot.
Cooling
Enable:
StopT:
Active: 28.0ºC
Passive: 20.0ºC
Cooling buffer
SetT:
8.0ºC
DTstart: 3.0ºC
Cooling groups
- 0 + - 0 +
DG1:
SG2:
SG3:
SG4:
Room terminals
SetT
DTc
ºC ºC
DG1:
20.0 2.0
SG2:
21.0 2.0
SG3:
22.0 2.0
SG4:
21.0 2.0
Auxiliary cooling X
Emergency:
Support:
User menu 5/8
Refrigeración
DHW/Legionella prot.
Pool
DHW
Enable:
Remote control:
ON
SetT
48.0ºC
DTstart: 5.0ºC
SetT HTR: 70.0ºC

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Auxiliary X DHW
This is used to enable the auxiliary DHW system in both EMERGENCY and SUPPORT mode.
In EMERGENCY mode, the auxiliary system is activated automatically if there are any active
alarms that prevent compressor start-up.
In SUPPORT mode, the auxiliary system is activated after the compressor when the latter
cannot reach the target DHW storage tank temperature.
DHW Recirculation
This is used to set up as many as 4 time periods per day for DHW recirculation.
Legionella protection program
This is used to set up a weekly program for protection against legionella.
The legionella protection program is deactivated automatically if 5 hours have elapsed
without reaching the final temperature set up by the technical service.
Legionella protection programs should be carried out at night, or when there is no DHW
consumption.
1.14. POOL Menu
Pool
Used to enable the POOL mode.
In versions for NETZERO BW and NETZERO CW, it can be used to adjust the percentage of
minutes/hours that the heat pump is dedicated to the POOL mode when there are
simultaneous demands for heating and pool during the WINTER program.
The icon indicates that there is a time schedule activated in the POOL mode.
Auxiliary X pool
This is used to enable the auxiliary POOL system in both EMERGENCY and SUPPORT mode.
In EMERGENCY mode, the auxiliary system is activated automatically if there are any active
alarms that prevent compressor start-up.
In SUPPORT mode, the auxiliary system is activated automatically for normal POOL
production, as programmed by the technical service.
1.15. E-MANAGER Menu
Enable surplus control
Used to enable the surplus electricity control.
The surplus control tries to adjust the network balance (consumption and injection) at all
times to the value configured in the installer menu.
Auxiliary DWH X
Emergency:
Support:
DHW recirculation
Enable:
Day:
MONDAY
Copy to:
MONDAY
NO
1:
04:00
ON
2:
06:00
ON
3:
10:00
ON
4:
04:00
OFF
Legionella
Enable:
Start time: 3:00
Mon:
Tue:
Wed:
Thu:
Fri:
Sat:
Sun:
User menu 6/8
DHW/Legionella prot.
Pool
Information
Pool
Enable:
Winter program
Minutes per hour: 10
Auxiliary pool X
Emergency:
Support:
User menu 7/9
e-Manager
Information
Alarms
Surplus control
Enable:

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GEOSMART ENERGY 16
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Enable consumption control
Used to enable electrical consumption control.
Used to adjust the general maximum consumption value of the electrical installation
through the heat pump power control.
1.16. INFORMATION Menu
Press for quick access to the information menu from the main screen.
Source/Production
This shows the inlet and return temperatures, temperature difference, current pressure
and the percentage of circulator pump regulation in the source and production circuits or
shows the simultaneous production valves regulation value.
Boiler
Shows whether the boiler is On or Off, the current temperature in the support with boiler
sensor and the regulation percentage of the boiler or the mixing valve.
Outdoor temperature
Shows the current outdoor temperature and the outside temperatures for heating and
cooling cut-off.
Interior terminals
In installations with interior terminals equipped with bus communication (Th-T or TH
sensors), it displays the interior setpoint temperature (Tcons), the current temperature
(Treal) and the current relative humidity (HR) of the terminals assigned to each outlet unit.
Heating buffer / Cooling buffer
This shows the setpoint temperature, the start-up temperature differential and the current
temperature of the buffer storage tank.
There are separate screens for the heating and cooling buffer storage tanks.
Heating units / Cooling units
This shows the target outlet temperature (Tcons), the current outlet temperature (Treal)
and the regulation percentage (Reg) of each outlet unit.
There are separate screens for the heating and cooling outlet units.
DHW Tank
This shows the setpoint temperature, the start-up temperature differential and the current
temperature of the DHW storage tank.
Consumption control
Enable:
Consump. limit:
3.0kW
User menu 7/8
Pool
Information
Alarms
Brine/Production
Brine
Heat.
Outlet: 2.0 35.1 ºC
Inlet:
5.1 29.9 ºC
DT: 3.1 5.2 ºC
Press:
1.2 1.4
bar
Pumps:
95.0 87.0 %
Boiler
State
Off
RealT:
40.0ºC
Regulation: 100%
Outdoor temperature
OutdoorT: 14.7ºC
Outdoor StopT
Heating: 21.0ºC
Active cool.: 28.0ºC
Passive cool.:
23.0ºC
Room terminals
SetT
RealT
RH
ºC ºC %
T1: 50.0 49.8 23.2
T2: 45.0 46.2 10.1
T3: 45.0 43.0 23.2
T4: 35.0 35.1 94.6
XXXXXX buffer tank
RealT:
49.9ºC
SetT
50.0ºC
DTstart: 5.0ºC
XXXXXX groups
SetT
RealT
Reg
ºC ºC %
DG1:
50.0 49.8
SG2:
45.0 46.2 10.1
SG3:
45.0 43.0 23.2
SG4:
35.0 35.1 94.6
DHW
RealT:
47.9ºC
SetT:
48.0ºC
DTstart: 5.0ºC
Start comp .T:
43.0ºC

Installer manual NETZERO
GEOSMART ENERGY 17
EN
Pool
Shows whether the pool is On or Off Shows the outlet temperature to the pool and the
setpoint temperature.
Press to access the heat pump meters
It includes the following screens with heat pump energy meters.
Instantaneous
Shows instant information regarding the power consumed, the power supplied, and the
energy efficiency of the heat pump.
Month/Year
Shows monthly and annual information regarding the consumption, supplied energy and
energy performance of the heat pump.
Surplus control
Displays information regarding the current state of surplus control, the instantaneous
measurement of the network balance and the setpoint for surplus control.
Consumption limit
Displays information regarding the current state of the consumption limit control, the
instantaneous consumption measurement and the setpoint for consumption limitation.
Press to access the e-Manager meters
It includes the following screens with the e-manager energy meters.
Instantaneous
Used to display current values of the power consumed and injected into the grid.
Month/Year
Used to display for each month and annually the values of the energy consumed and
injected into the grid.
Pool
State
Off
Tsup:
32.0ºC
SetT:
37.0ºC
Heat pump meters
Press ENTER
to access
Instantaneous
15.2 kW
COP:
5.8
12.6 kW
EER:
0.0
2.6 kW
PF:
5.8
Month/Year
SEPTEMBER
15.2 kWh
COP:
5.8
12.6 kWh
EER:
0.0
2.6 kWh
PF:
5.8
Surplus control
Status: ON
Real:
-0.1
kW
Setpoint: -0.1
kW
Consuption limit
Status: OFF
Real:
0.7
kW
Setpoint: 5.0
kW
e-Manager meters
Press ENTER
to access
Instantaneous
Consumption: 28.3kWh
Injection: 6.3kWh
Month/Year
SEPTEMBER
Consumption: 28.3kWh
Injection: 6.3kWh

Installer manual NETZERO
GEOSMART ENERGY 18
EN
Month/Year maximeters
Used to display for each month and annually the maximum power consumed from the
electrical network.
Month/year coverage
Used to display for each month and annually the ratio of the thermal energy produced in
surplus control.
Active demands
The upper part shows current demands for compressor start-up.
The bottom part shows the demands received by the heat pump to start the various outlet
units.
Active demands for the compressor or the outlet units do not imply that they will switch
on. There may be other reasons that prevent them from starting up.
Version
This shows information about the application installed in the controller.
1.17. ALARMS Menu
Press for quick access to the information menu from the main screen.
Active alarms
These screens display the alarms that are active and do not allow compressor start-up. The
button stays on.
Reset alarms
The heat pump is blocked and switches to EMERGENCY mode when a critical alarm goes
off more than 5 times a day. In these cases, the heat pump can be unblocked from this
screen once the problem has been solved.
Month/Year maximeters
SEPTEMBER
Consumption: 2.1kW
Month/Year coverage
SEPTEMBER
Production:
Surplus: 38%
Active demands
Version
Version: 0.1.005B
Date:
02/10/15
Bios:
6.24
25/02/14
Boot:
4.05
04/02/13
Version firmw:
5.0
Firware version:
0.2
User menu 8/8
Pool
Information
Alarms
Alarms
Brine low pressure
Reset alarms
Reset alarms:

Installer manual NETZERO
GEOSMART ENERGY 19
EN
2. Controller Technical Service Guide
To access the installer menu, press at the same time. Afterwards, enter access password PW1. This menu is used to define
the type of installation and the services the heat pump will deal with, to adjust the various operation parameters and protections as
well as to carry out various start-up and maintenance operations.
This menu shows the sub-menu structure of the INSTALLER menu.
INSTALLER menu
Sub-menu level 1
Sub-menu level 2
Sub-menu level 3
1. Language
2. Configuration
2.1. Heat pump model
2.2 Source
2.3. Services
2.3.1. Heating
2.3.2. Cooling
2.3.3. DHW
2.3.4. Pool
2.3.5. Priorities
2.3.6. Special programs
2.4. e-Manager
2.5. Auxiliary equipment
2.4.1. Bivalent parameters
2.4.2. Internal resistor
2.4.3. DHW resistor
2.4.4. Buffer resistor
2.4.5. Boiler
2.6 Remote control
2.5.1. EVU/SG control
2.5.2. Services control
2.5.3. BUS control
2.7. Protections
2.8. Probe Conf
3. Information
4. Manual activation
5. Alarm log
6. Default values
7. Change password
Table 2.1. INSTALLER menu structure.
2.1. Language selection
Language
1. Used to select the language of the heat pump controller.
Installer menu
1/7
a.Change language
b.Configuration
c.Information
Language
Language: ENGLISH
ENTER to change

Installer manual NETZERO
GEOSMART ENERGY 20
EN
Language
1. Used to enable the language selection screen that appears on launching the controller.
2. Used to adjust the display time of the language selection screen on launching the
controller.
2.2. Selecting the heat pump model
Model selection
1. Used to select the heat pump model within the NETZERO range. This selection is
required for the correct operation of the heat pump and the energy counters. Once
the model has been selected, you must restart the inverter, for this you must cut the
power supply to the inverter for a minimum of 30 seconds.
Note: Access to some of the heat pump configuration screens may be limited, depending
on the model selected.
2.3. Configuration of the source system
Source
1. Used to select the type of source system.
A. GEOTHERMAL: System with vertical or horizontal geothermal collector.
B. AEROTHERMAL: System with source via aerothermal units. The variable speed
aerothermal units and defrost program controls are enabled.
C. HYBRID: Source systems that combine a geothermal collector and an aerothermal
collector. The management controls for the hybrid
system, variable speed
aerothermal units and defrost programs are enabled.
Aerothermal collector
1. Used to adjust the difference in air-antifreeze agent target temperatures to control the
fan.
2. Used to adjust the maximum fan percentage allowed.
3. Used to adjust the nominal operation factor (ASFnominal) of the aerothermal collector.
Defrost
1. Used to adjust the defrost program of the aerothermal collector and to adjust its
parameters.
2. Used to adjust the production system used as a heat source to perform defrosting
(heating / DHW / pool).
3. Used to adjust the difference between the ASFnominal and defrost program start-up.
4. Used to adjust the source fluid temperature required to finish the defrost program.
5. Used to adjust the maximum defrost program operation time.
Note: This screen is only available for aerothermal or hybrid source systems and with
models that include integrated passive cooling.
Language
Disable language mask
at start-up: No
Show mask time: 60s
Installer menu
2/7
a.Change language
b.Configuration
c.Information
Configuration 1/7
a.Heat pump model
b.Sources
c.Services setup
Heat pump model
Select model:
E B F C A B
Installer menu
2/7
a.Change language
b.Configuration
c.Information
Configuration 2/7
a.Heat pump model
b.Sources
c.Services setut
Source
Type:
Geothermal
Aerothermal source
Min Max
Fan:
40 70%
DTair unit :
2.0ºC
ASFnominal: 1.2
Defrosting
Enable:
Defrosting by:
DHW
Start:
Frost factor: +25%
End:
StopT: 12.0ºC
Max. time: 30min