Nibe S1155PC User manual

UHB EN 1927-1
531124
USER MANUAL
Ground source heat pump
NIBE S1155PC/S1255PC

Quick guide
NAVIGATION
Browse
Scroll
Select The dots at the bot-
tom edge show that
there are more
pages.
If the menu has
several sub-menus,
you can see more
information by drag-
ging up or down
with your finger.
Most options and
functions are activ-
ated by lightly press-
ing on the display
with your finger.
Drag to the right or
left with your finger
to browse between
the pages.
Setting the indoor temperature.
Bottom floor
Temperature
HEAT
13.45 3 October
Smartguide
Yes please, take me to Smartguide.
Hi!
Your system is working properly. Do you want help making
changes?
13.45 3 October
You can set the temperature for your installation's climate
system here.
Smartguide helps you both to view information about the
current status and to make the most common settings easily.
The information that you see depends on the product you
have and the accessories that are connected to the product.
Product overview
PRODUCT OVERVIEW
Update
Product name
Serial number
Software
Service
13.45 3 October
Company AB
Telephone number
S1155PC/S1255PC
06540018030101
V12345 / 20190118
Increasing hot water temperature
HOT WATER
More hot water
13.45 3 October
Here, you can find information about product name, the
product's serial number, the version of the software and
service.
Here, you can start or stop a temporary increase in the hot
water temperature.
S1155PC: This function page is only visible in installations
with a water heater.
IN THE EVENT OF DISTURBANCES IN COMFORT
If you experience a disturbance in comfort of any kind, there are various measures you can take yourself before
contacting your installer. For instructions, see section "Troubleshooting".

41 Important information
4Installation data
5Serial number
62 Heat pump function
73 Control - Introduction
7Display unit
8Navigation
8Menu types
10Menu system
114 myUplink
11Specification
11Connection
11Range of services
11Mobile apps for myUplink
125 Maintenance of S1155PC/S1255PC
12Regular checks
12Saving tips
136 Disturbances in comfort
13Info-menu
13Manage alarm
15Only additional heat
16Item register
19Contact information
3Table of ContentsNIBE S1155PC/S1255PC
Table of Contents

Installation data
S1155PC/S1255PCProduct
Serial number
Installation date
Installer
Type of brine -
Mixing ratio/freezing point
Active drilling depth/collector length
Accessories
✔
SetFact.
sett.
NameNo.
0heating curve (offset)1.9.1.1
7heating curve (curve slope)1.9.1.1
Serial number must always be given
Certification that the installation is carried out according to instructions in the accompanying installer manual and applicable regulations.
__________________________________________Signed______________________________Date
NIBE S1155PC/S1255PCChapter 1 | Important information4
1 Important information

Serial number
The serial number can be found at the bottom right on
S1155PC/S1255PC, in the display on the home screen
"Product overview" and on the type plate.
Caution
You need the product's (14 digit) serial number
for servicing and support.
5Chapter 1 | Important informationNIBE S1155PC/S1255PC

A heat pump can use stored solar energy from rock,
ground or water in order to heat a property. The conver-
sion of energy stored in nature to property heating oc-
curs in three different circuits. In the brine circuit, (1),
free heat energy is retrieved from the surroundings and
transported to the heat pump. The heat pump increases
the retrieved heat's low temperature to a high temper-
ature in the refrigerant circuit, (2). The heat is distributed
around the house in the heating medium circuit, (3).
The temperatures below are only examples and may
vary between different installations and times of year.
100 ºC
50 ºC40 ºC
-2 ºC
0 ºC
-3 º C
-4 ºC
Heating medium
Brine
Refrigerant
Evaporator
Condenser
Expansion valve
Compressor
1
2
3
Heat source
Brine circuit
An anti-freeze liquid (brine) circulates in a hose
(collector) from the heat pump out to the heat
source (rock/ground/lake). The energy from the
heat source is stored by it heating the brine a few
degrees, from about –3 °C to about 0 °C.
A
The collector then routes the brine to the heat
pump’s evaporator. Here, the brine releases heat
energy and the temperature drops a few degrees.
The liquid then returns to the heat source to re-
trieve energy again.
B
Refrigerant circuit
Another liquid circulates in a closed system in the
heat pump, a refrigerant, which also passes the
evaporator. The refrigerant has a very low boiling
point. In the evaporator the refrigerant receives
the heat energy from the brine and starts to boil.
C
The gas that is produced during boiling is routed
into an electrically powered compressor. When
the gas is compressed, the pressure increases and
the gas's temperature increases considerably, from
approx. 5°C to approx. 100°C.
D
From the compressor, gas is forced into a heat
exchanger, condenser, where it releases heat en-
ergy to the heating system in the house,
whereupon the gas is cooled and condenses to a
liquid form again.
E
As the pressure is still high, the refrigerant can
pass an expansion valve, where the pressure drops
so that the refrigerant returns to its original temper-
ature. The refrigerant has now completed a full
cycle. It is routed to the evaporator again and the
process is repeated.
F
Heat medium circuit
The heating energy that the refrigerant releases
in the condenser is retrieved by the heat pump's
boiler section.
G
The heating medium circulates in a closed system
and transports the heated water's heat energy to
the house water heater and radiators/heating coils.
H
Passive cooling
The brine can also be circulated via a mixing valve
to a heat exchanger. There the brine cools the
heating system's water so that comfort cooling
can be maintained during the hotter periods of the
year.
I
NIBE S1155PC/S1255PCChapter 2 | Heat pump function6
2 Heat pump function

Display unit
Status lamp
Display
USB port
On/off button
THE STATUS LAMP
The status lamp shows how well your system is operat-
ing. It:
• lights up white during normal operation.
• lights yellow in emergency mode.
• lights red in the event of a deployed alarm.
• is blue when S1155PC/S1255PC is switched off.
• flashes white during active notice.
If the status lamp is red, you receive information and
suggestions for suitable actions on the display.
TIP
You also receive this information via myUplink.
THE USB PORT
Above the display, there is a USB port that can be used
e.g. for updating the software. Visit myuplink.com and
click the "Software" tab to download the latest version
of the software for your installation.
TIP
If you connect the product to the network, you
can update the software without using the USB
port. See section "myUplink".
THE ON/OFF BUTTON
The on/off button has three functions:
• start
• switch off
• activate emergency mode
To start: press the on/off button once.
To switch off, restart: press the on/off button once. This
brings up a menu with various options.
For hard switch off: press and hold the on/off button for
5 seconds.
To activate emergency mode when S1155PC/S1255PC
is running: press the on/off button (SF1) once and select
"emergency mode" in the shut-down menu.
To activate emergency mode when S1155PC/S1255PC
is switched off: press and hold the on/off button for 5
seconds. (Deactivate the emergency mode by pressing
once.)
THE DISPLAY
Instructions, settings and operational information are
shown on the display.
7Chapter 3 | Control - IntroductionNIBE S1155PC/S1255PC
3 Control - Introduction

Navigation
S1155PC/S1255PC has a touchscreen where you simply
manage the navigation by pressing and dragging with
your finger.
SELECT
Most options and functions are activated by
lightly pressing on the display with your fin-
ger.
BROWSE
The dots at the bottom edge show that there
are more pages.
Drag to the right or left with your finger to
browse between the pages.
SCROLL
If the menu has several sub-menus, you
can see more information by dragging up
or down with your finger.
CHANGE A SETTING
Press the setting you want to change.
If it is an on/off setting, it changes as soon as you press
it.
Period 1
If there are several possible values, a spinning-wheel
appears that you drag up or down to find the desired
value.
Press to save your change, or if you don't want
to make a change.
FACTORY SETTING
Factory set values are marked with *.
Your installer may have chosen other values that suit
your system better.
HELP MENU
In many menus there is a symbol that indicates
that extra help is available.
Press the symbol to open the help text.
You may need to drag with your finger to see all text.
Menu types
HOME SCREENS
Smartguide
Smartguide helps you both to view information about
the current status and to make the most common set-
tings easily. The information that you see depends on
the product you have and the accessories that are con-
nected to the product.
Select an option and press it to proceed. The instructions
on the screen help you to choose correctly or give you
information about what is happening.
Yes please, take me to Smartguide.
Hi!
Your system is working properly. Do you want help making
changes?
13.45 3 October
13:45. 3rd October
Underfloor drying function
Action, level monitor
Download and update
No thank you, later
Hi!
A software update is available.
Do you want to update?
Function pages
On the function pages, you can both view information
about the current status and easily make the most
common settings. The information pages that you see
depend on the product you have and the accessories
that are connected to the product.
Bottom floor
Temperature
HEAT
13.45 3 October
HOT WATER
More hot water
13.45 3 October
Drag to the right or left with your finger to browse
between the function pages.
NIBE S1155PC/S1255PCChapter 3 | Control - Introduction8

Drop-down menu
Menu treeBoard
Kitchen
HEAT
BedroomBottom floor
Works to set temperature
Menu symbol
Set temperature
Current temperature
Offset Offset
Press the boards to adjust desired value. On some
function pages, you drag up and down with your finger
to obtain more boards.
Product overview
It can be a good idea to have the product overview open
during any service cases. You can find it among the
function pages.
Here, you can find information about product name, the
product's serial number, the version of the software and
service.
PRODUCT OVERVIEW
Update
Product name
Serial number
Software
Service
13.45 3 October
Company AB
Telephone number
S1155PC/S1255PC
06540018030101
V12345 / 20190118
Drop-down menu
From the home screens, you can reach a new window
containing further information by dragging down a drop-
down menu.
Drop-down menu
Bottom floor
Temperature
HEAT
12°C 13.45 3 October
The drop-down menu shows the current status for
S1155PC/S1255PC, what is in operation and what
S1155PC/S1255PC is doing at the moment.
Operating mode compressor
13.45 3 October
Demand mode, hot water
Scheduling
External influence
Heating
Average
Not active
Active
Press the icons on the menu's lower edge for more in-
formation about each function.
32 Hz
+45°C
Hot water
Return temp BT3 impact
Collector IN BT10
Collector OUT BT11
Supply line BT12
Operating status
Compressor
Compressor speed
Limited
+35°C
+2.2°C
-8.2°C
Brine temp
9Chapter 3 | Control - IntroductionNIBE S1155PC/S1255PC

MENU TREE
In the menu tree, you can find all menus and can make
more advanced settings.
Yes please, take me to Smartguide.
Hi!
Your system is working properly. Do you want help making
changes?
13.45 3 October
You can always press "X" to return to the home screens.
Indoor climate
Hot water
Info
My system
Connection
MAIN MENU
Menu system
MENU TREE
The menu tree consists of eight main menus.
Menu 1 – Indoor climate
Here, you make settings for indoor temperatures and
ventilation (accessory is required).
Menu 2 – Hot water
You make settings for hot water operation here.
S1155PC: This menu is only visible in installations with
water heaters.
Menu 3 - Info
Here, you can read current operating information and
you can find various logs with older information
Menu 4 - My system
Here, you set date, language, operating mode, etc.
Menu 5 - Connection
Here, you connect your system to myUplink and make
network settings.
Menu 6 - Scheduling
Here, you schedule different parts of the system.
Menu 7 - Installer settings
Advanced settings are made here. This menu is only
intended for installers or service engineers.
Menu 8 - USB
This menu lights up when a USB memory is connected.
You can update the software here, for example.
NIBE S1155PC/S1255PCChapter 3 | Control - Introduction10

With myUplink you can control the installation – where
and when you want. In the event of any malfunction,
you receive an alarm directly to your e-mail or a push
notification to the myUplink app, which allows you to
take prompt action.
Visit myuplink.com for more information.
Caution
Before you can start using myUplink, the
product has to be installed and set up according
to the instructions in the Installer Manual.
Specification
myUplink needs the following in order to communicate
with your S1155PC/S1255PC:
• wireless network or network cable
• Internet connection to which S1155PC/S1255PC can
be connected
• account on myuplink.com
We recommend our mobile apps for myUplink.
Connection
If you do not already have an account, register in the
app or on myuplink.com.
CONNECT SYSTEM
Caution
Before you can connect to myUplink, you must
select connection type (wired/wifi) in menu
5.2.1 or 5.2.2.
When you log in for the first time, you must connect
your system to your registered account. Go to
myuplink.com and follow the instructions that are given
in the app or on the website.
DISCONNECT USERS
You can choose to disconnect the users who are con-
nected to your system:
You do this by going to menu 5.1 - myUplink.
NOTE
Once you have disconnected all users, no one
can monitor or control your system via my-
Uplink without being connected to it again.
Range of services
myUplink gives you access to various levels of service.
The base level is included and, apart from this, you can
choose two premium services for a fixed annual fee (the
fee varies depending on the functions selected).
The base level allows you to monitor the system, man-
age alarms and read diagrams containing information
for the last month.
If you want to read older information, as well as receive
information based on more parameters and/or change
settings, choose a premium service.
Premium
change set-
tings
Premium
extended
history
BasicService level
XXXViewer
XXXAlarm
XXXHistory
-X-Extended history
X--Manage
Mobile apps for
myUplink
The mobile apps can be downloaded free of charge from
where you usually download your apps. Logging in is
performed using the same account details as on
myuplink.com.
11Chapter 4 | myUplinkNIBE S1155PC/S1255PC
4 myUplink

Regular checks
Your heat pump is basically maintenance free and
therefore requires minimal care after commissioning.
However, it is recommended that you check your install-
ation regularly.
If anything unusual occurs, messages about the malfunc-
tion appear in the display in the form of different alarm
texts.
BRINE
The brine that obtains the heat in the ground is not nor-
mally consumed, but just pumped around.
In most installations, there is a level vessel
where you can check if there is sufficient fluid
in the system. The level can vary due to the
fluid's temperature. If the level is below 1/3,
topping up is required.
2/3
LEK
LEK LEK
2/3
LEK
Gamla bilder, med säkerhetsventil på nivåkärlet
1/3 1/3
In some installations there is an expansion
vessel instead of a level vessel (for example,
where the heat pump is not at the highest
point in the brine system) where the system
pressure can be checked. The pressure can
vary slightly due to the fluid's temperature.
The pressure should not fall below 0.5 bar.
LEK
Ask your installer if you are unsure where the level
vessel/expansion vessel is located.
Your installer can also help you to top-up if the
level/pressure has dropped.
Saving tips
Your heat pump installation produces heat and hot wa-
ter. This occurs via the control settings you made.
Factors that affect the energy consumption are, for ex-
ample, indoor temperature, hot water consumption, the
insulation level of the house and whether the house has
many large window surfaces. The position of the house,
e.g. wind exposure is also an affecting factor.
Also remember:
• Open the thermostat valves completely (except in
rooms where you want it to be cooler). The thermo-
stats slow the flow in the heating system, which
S1155PC/S1255PC wants to compensate by increas-
ing the temperature. It will then work harder and
consume more energy.
• You can lower the operating cost when away from
the house by scheduling selected parts of the system.
This is done in menu 6 - "Scheduling".
• If you select "Hot water demand Small", less energy
is used.
NIBE S1155PC/S1255PCChapter 5 | Maintenance of S1155PC/S1255PC12
5 Maintenance of
S1155PC/S1255PC

In most cases, S1155PC/S1255PC notes a malfunction
(a malfunction can lead to disruption in comfort) and in-
dicates this with alarms, and instructions for action, in
the display.
Info-menu
All the heat pump's measurement values are gathered
under menu 3.1 (Operating info) in the heat pump' menu
system. Examining the values in this menu can often
make it easier to identify the source of the fault.
Manage alarm
I want to see more info about the alarm
I want to change settings for my system
Your system has an active alarm.
Please select an action below or contact your installer.
12°C 13.45 3 October
Reset alarm
Auxiliary operation
S1155PC/S1255PC has no contact with the outdoor temperature
sensor. Calculated flow line temperature is set to min. flow line. If a
higher temperature is desired then min. flow line can be temporarily
changed in menu 1.30.4.
Check the connection to the outdoor temperature sensor and reset the
alarm. If the alarm recurs, select aid mode and contact your installer.
12°C 13.45 3 October
In the event of an
alarm, a malfunction
has occurred and the
status lamp shines
with a steady red
light. You receive in-
formation about the
alarm in the smart-
guide on the dis-
play.
ALARM
In the event of an
alarm with a red
status lamp, a mal-
function has occurred that S1155PC/S1255PC cannot
remedy itself. On the display, you can see what type of
alarm it is and reset it.
In many cases, it is sufficient to select “Reset alarm”
for the installation to revert to normal operation.
If a white light comes on after selecting “Reset alarm”,
the alarm has been remedied.
It the red light is still on or if the alarm recurs, the cause
of the problem remains.
"Auxiliary operation" is a type of emergency mode. This
means that the installation attempts to produce heat
and/or hot water, even though there is some kind of
problem. This could mean that the heat pump’s com-
pressor is not in operation. In this case, any electric ad-
ditional heat produces heat and/or hot water.
Caution
Selecting "Auxiliary operation" is not the same
as correcting the problem that caused the
alarm. The status lamp will therefore remain
red.
If the alarm does not reset, contact your installer for
suitable remedial action.
NOTE
You need the product's (14 digit) serial number
for servicing and support.
If the operational interference is not shown in the display
the following tips can be used:
If the operational interference is not shown in the display
the following tips can be used:
BASIC ACTIONS
Start by checking the following items:
• Group and main fuses of the accommodation.
• The property's earth circuit breaker.
• Correctly set load monitor (if installed).
LOW HOT WATER TEMPERATURE OR A
LACK OF HOT WATER
S1155PC: This part of the fault-tracing chapter only ap-
plies if a water heater is installed in the system.
• Closed or choked filling valve for the hot water.
– Open the valve.
• Mixing valve (if there is one installed) set too low.
– Adjust the mixer valve.
• S1155PC/S1255PC in incorrect operating mode.
– Enter menu 4.1. ("Operating mode"). If "auto" mode is se-
lected, select a higher value for "stop additional heat" in
menu 7.1.10.2.
– If "manual" mode is selected, select "additional heat".
• Large hot water consumption.
13Chapter 6 | Disturbances in comfortNIBE S1155PC/S1255PC
6 Disturbances in comfort

– Wait until the hot water has heated up. Temporarily in-
creased hot water capacity can be activated in home
screen "hot water" or in menu 2.1.
• Too low hot water setting.
– Enter menu 2.2 and select a higher demand mode.
• Low hot water access with the “Smart Control”
function active.
– If the hot water usage has been low, S1155PC/S1255PC
will produce less hot water than normal. Activate "Tempor-
arily more hot water" in menu 2.1.
• Too low or no operating prioritisation of hot water.
– Enter menu 7.1.10.1 and increase the time for when hot
water is to be prioritised. Note that if the time for hot
water is increased, the time for heating production is re-
duced, which can give lower/uneven room temperatures.
• "Holiday" activated in menu 6.1.
– Enter menu 6.1 and deactivate.
LOW ROOM TEMPERATURE
• Closed thermostats in several rooms.
–Set the thermostats to max in as many rooms as possible.
Adjust the room temperature via home screen heating,
rather than choking the thermostats.
• S1155PC/S1255PC in incorrect operating mode.
– Enter menu 4.1 ("Operating mode"). If "auto" mode is se-
lected, select a higher value for "stop heating" in menu
7.1.10.2.
– If "manual" mode is selected, select "heating". If this is not
enough, then also select "additional heat".
• Too low set value on the automatic heating control.
– Go to home screen heating and adjust the offset heating
curve upwards. If the room temperature is only low in hot
weather, the curve slope in menu 1.30.1 (heating curve)
may need adjusting upwards.
• Too low or no operating prioritisation of heat.
– Enter menu 7.1.10.1 and increase the time for when
heating is to be prioritised. Note that if the time for heating
is increased the time for hot water production is reduced,
which can give smaller amounts of hot water.
• "Holiday mode" activated in menu 6.1.
– Enter menu 6.1 and deactivate.
• External switch for changing the room heating activ-
ated.
– Check any external switches.
• Air in the climate system.
– Vent the climate system.
• Closed valves to the climate system.
– Open the valves (contact your installer for assistance in
finding them).
HIGH ROOM TEMPERATURE
• Too high set value on the automatic heating control.
– Go to home screen heating and adjust the offset heating
curve downwards. If the room temperature is only high
in cold weather, the curve slope in menu 1.30.1 (heating
curve) may need adjusting downwards.
• External switch for changing the room temperature
activated.
– Check any external switches.
UNEVEN ROOM TEMPERATURE.
• Incorrectly set heating curve.
– Fine-tune the heating curve in menu 1.30.1.
• Too high set value on "dT at DOT"..
– Contact your installer!
• Uneven flow over the radiators.
– Contact your installer!
LOW SYSTEM PRESSURE
• Not enough water in the climate system.
– Fill the climate system with water and check for leaks. In
event of repeated filling, contact the installer.
THE COMPRESSOR DOES NOT START
• There is no heating or cooling demand.
– S1155PC/S1255PC does not call on heating, cooling or
hot water.
• Compressor blocked due to the temperature condi-
tions.
–Wait until the temperature is within the product’s working
range.
• Minimum time between compressor starts has not
been reached.
– Wait for at least 30 minutes and then check if the com-
pressor has started.
• Alarm tripped.
– Follow the display instructions.
WHINING NOISE IN THE RADIATORS
• Closed thermostats in the rooms and incorrectly set
heating curve.
–Set the thermostats to max in as many rooms as possible.
Fine-tune the heating curve via home screen heating,
rather than choking the thermostats.
• Circulation pump speed set too high.
– Contact your installer!
NIBE S1155PC/S1255PCChapter 6 | Disturbances in comfort14

• Uneven flow over the radiators.
– Contact your installer!
Only additional heat
ADD. HEAT ONLY
If you are unsuccessful in rectifying the fault and are
unable to heat the house, you can, whilst waiting for
assistance, continue running the heat pump in emer-
gency mode or "Additional heat only" mode. "add. heat
only" mode means that the heat pump only uses the
immersion heater to heat the house.
Set the heat pump to additional heat mode
1. Go to menu 4.1 "Operating mode".
2. Select "Additional heat only".
Emergency mode
To switch off, restart: press the on/off button once. This
brings up a menu with various options.
To activate emergency mode when S1155PC/S1255PC
is switched off: press and hold the on/off button for 5
seconds. (Deactivate the emergency mode by pressing
once.)
15Chapter 6 | Disturbances in comfortNIBE S1155PC/S1255PC

A
Alarm, 13
C
Control, 7
Control - Introduction, 7
Control - Introduction, 7
D
Disruption to comfort
Info menu, 13
Disturbances in comfort, 13
Alarm, 13
Manage alarm, 13
Only additional heat, 15
Troubleshooting, 13
H
Help menu, 8
I
Important information
Installation data, 4
Serial number, 5
Info menu, 13
Installation data, 4
M
Maintenance of S1155PC/S1255PC, 12
Regular checks, 12
Saving tips, 12
Manage alarm, 13
N
Navigation
Help menu, 8
O
Only additional heat, 15
R
Regular checks, 12
S
Saving tips, 12
Serial number, 5
T
The heat pump – the heart of the house, 6
Troubleshooting, 13
NIBE S1155PC/S1255PCItem register16
Item register

DENMARKCZECH REPUBLICAUSTRIA
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Industrivej Nord 7B, 7400 Herning
Tel: [phone]
[email protected]
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Energieweg 31, 4906 CG Oosterhout
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Tel: [phone]
[email protected]
nibe.se
EVAN
bld. 8, Yuliusa Fuchika str.
603024 Nizhny Novgorod
Tel: [phone]
[email protected]
nibe-evan.ru
NIBE-BIAWAR Sp. z o.o.
Al. Jana Pawla II 57, 15-703 Bialystok
Tel: [phone]
biawar.com.pl
SWITZERLAND
NIBE Wärmetechnik c/o ait Schweiz
AG
Industriepark, CH-6246 Altishofen
Tel. [phone]
[email protected]
nibe.ch
For countries not mentioned in this list, contact NIBE Sweden or check nibe.eu for more information.

NIBE Energy Systems
Hannabadsvägen 5
Box 14
SE-285 21 Markaryd
[email protected]
nibe.eu
UHB EN 1927-1 531124
This manual is a publication from NIBE Energy Systems. All product illustrations, facts and data are based on the
available information at the time of the publication’s approval. NIBE Energy Systems makes reservations for any
factual or printing errors in this manual.
©2019 NIBE ENERGY SYSTEMS 531124
WS name: -Gemensamt
WS version: a660
WS release date: 2019-06-11 06:11
Publish date: 2019-07-04 11:33