nilan CTS602 HMI Bedienungsanleitung
USER MANUAL
DHW AIR9
Gateway
CTS602 HMI BY NILAN
Version 1.00 - 01.05.2023
B24 DHW AIR GB
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General information
Important information ......................................................................................................................................................................... 3
Safety ............................................................................................................................................................................................................ 3
Power supply ......................................................................................................................................................................................... 3
Heat pump ............................................................................................................................................................................................. 3
Introduction .................................................................................................................................................................................................. 4
Documentation ..................................................................................................................................................................................... 4
ID number gateway .............................................................................................................................................................................. 4
Data plate ............................................................................................................................................................................................... 4
Control panel
Control panel functions .............................................................................................................................................................................. 5
Main screen items ................................................................................................................................................................................ 5
Main screen settings options ............................................................................................................................................................. 6
Warnings and alarms ............................................................................................................................................................................ 7
Settings menu overview ..................................................................................................................................................................... 7
Service and maintenance
Generally ................................................................................................................................................................................................ 8
Particle filter . ........................................................................................................................................................................................ 8
Checking safety valve .......................................................................................................................................................................... 9
Checking sacrificial anode ................................................................................................................................................................... 9
AIR outdoor unit .................................................................................................................................................................................... 9
The heat pump ...................................................................................................................................................................................... 9
User settings
Setting the ventilation unit .....................................................................................................................................................................10
Turn off the ventilation unit .............................................................................................................................................................10
Operation mode ..................................................................................................................................................................................10
Alarm ....................................................................................................................................................................................................11
Show data ............................................................................................................................................................................................12
Date/time .............................................................................................................................................................................................13
Week program .....................................................................................................................................................................................14
Domestic hot water ............................................................................................................................................................................15
Central heating ...................................................................................................................................................................................16
Silent mode ..........................................................................................................................................................................................18
Language ..............................................................................................................................................................................................18
Alarm list
DHW AIR ......................................................................................................................................................................................................19
Alarm list ..............................................................................................................................................................................................19
Troubleshooting
Emergency mode DHW AIR ......................................................................................................................................................................22
Emergency mode central heatingI ..................................................................................................................................................23
Emergency mode domestic hot water ............................................................................................................................................24
Problems and solutions central heating .........................................................................................................................................25
Product data
EU/EC Declaration of Conformity ...................................................................................................................................................26
EU/EC Declaration of Conformity ...................................................................................................................................................27
Ecodesign data AIR9 - Heat pump for space heating ..................................................................................................................28
Ecodesign data AIR9 - Heat pump for space heating ..................................................................................................................29
Ecodesign data - Hot water production .........................................................................................................................................30
Disposal
The environment - part of the solution .................................................................................................................................................31
Ventilation unit ...................................................................................................................................................................................31
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General information
Important information
Safety
Power supply
Heat pump
The heat pump must undergo suitable service inspections under applicable legislation and regulations to keep it in good condition and
in compliance with safety and environmental requirements.
Responsibility for maintenance of the heat pump rests with the owner/user.
CAUTION
Do not turn on the power supply for the unit until the domestic ho water tank and central circuit heating has been filled
with water.
CAUTION
Always disconnect the power supply to the unit if an error occurs that cannot be rectified via the control panel.
CAUTION
If an error occurs on electrically conductive parts of the unit, alway contact an authorised electrician to rectify the error.
CAUTION
Always disconnect the power to supply to the unit before opening the unit doors, for instance for installation, inspection
and cleaning.
CAUTION
Avoid direct contact with the heating system pipes in the heat pump as they can get very hot.
CAUTION
To secure the heat pump against damages, it is fitted with the following safety equipment:
• Electronic monitoring of the temperature
• 2,5 bar safety valve for central heating and buffertank
• Frost protection function that ensures that the compressor starts up at low temperatures (requires an undisrupted
power supply to the unit)
• Low and high pressure switch for compressor
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Introduction
Documentation
The following documents will be supplied with the unit:
• Installation instructions
• Software instructions
• User Manual
• Wiring diagram
The instructions can be downloaded from www.nilan.dk.
If you have questions regarding installation and operation of the unit after having read the instructions, please contact your nearest
Nilan dealer. A list of Nilan dealers is available on www.nilan.dk.
From factory, the unit has been tested and is ready for operation.
ID number gateway
Data plate
1. DHW AIR indoor unit: The data plate is situated on the inside metal plate, bottom right.
2. DHW AIR outdoor unit: The data plate is situated behind the grid .
The gateway is mounted in the DHW AIR indoor unit. The gateway ID number is located on
the inside of the cabinet, top left, next to the gateway. Detach the upper front door by
unscrewing the 2 screws at the top and pulling the door a little and then lifting up.
ATTENTION
When contacting Nilan with questions about the product, it is important to have the unit name and serial no. (SN) ready.
From this information, the service department can find all information about the unit in question and thus help with
information and answer questions about what the unit consists of/contains, and what software is used.
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Control panel
Control panel functions
Main screen items
The main screen of the HMI panel shows the information and the settings options that a user mostly requires.
1. Shows the current outdoor air temperature, measured in DHW AIR
outdoor unit
2. Shows the domestic hot water temperature in the DHW tank
3. Shows supplementary electric heating domestic hot water is active.
4. Shows supplementary electric heating central heating is active.
5. Shows the supply flow temperature for the central heating in the
buffer tank.
6. Shows active menu icons in this menubar.
7. Shows active operation icons in this menubar.
8. Shows the fan in the DHW AIR outdoor unit is active.
9. Access to the settings menu
Menu-ikoner Drift-ikoner
Stop icon
Indicates that the unit has stopped.
De-icing icon
Indicates that the heat pump is de-icing.
Week program icon
Indicates that the week program function is active.
Heating water in central heating circuit icon
Indicates that the unit is producing hot water for the
central heating circuit.
Alarm icon
Indicates an alarm or a warning.
Domestic hot water icon
Indicates that the unit is producing domestic hot
water.
Compressor icon
Indicates that the compressor is active.
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Main screen settings options
The settings options that the user needs in daily life are located on the main screen of the panel. You simply press the temperature for
domestic water or central heating in order to change it.
When you press the temperature for domestic water, you will
see the following
panel for the selected setpoint temperature of domestic water:
You can change the hot water temperature by using the up-
and-down arrows. You then confirm by pressing the confirm
icon, bottom right. The main screen of the panel will then be dis-
played again.
If you select the cancel icon, bottom left, the temperature will
revert to the original setting. Following this, you have to press
the arrow, top left. This takes you back to the main screen.
If you press the temperature for central heating, one of the two
panels below will be displayed. Which one depends on whether
you have selected a fixed flow temperature for central heating
or to regulate via weather compensation:
You can change the setpoint temperature for central heating by
using the up-and-down arrows. You then confirm by pressing
the confirm icon, bottom right. The main screen of the panel will
then be displayed again.
If you select the cancel icon, bottom left, the temperature will
revert to the original setting. Following this, you have to press
the arrow, top left. This takes you back to the main screen.
You can change the selected curve for weather compensation
from this panel screen in the same way as described for the
‘Central Heating’ function in ‘Unit Settings’.
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Warnings and alarms
Settings menu overview
The settings menu is constructed to make it easy to navigate through.
If the unit is faulty or an error occurs,
there will be either a warning or an alarm.
The icon will appear in the top right hand
corner in the menu bar.
If you press the symbol, a brief descrip-
tion of the warning or the alarm will be
displayed.
As soon as the problem is solved the big
C- or W-letter will change to a small c- or
w-letter.
You will find more detailed descriptions in
the "Alarm List" section of this document.
When the problem has been solved, you
can reset the warning or alarm by
pressing “Clear Alarm”.
You navigate through the settings menu by pressing the arrow below or above.
If you want to access a menu, tap the text for that menu and it will open.
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Service and maintenance
Generally
A DHW AIR unit from Nilan can last for many years if it is properly serviced and maintained. Heatpumps units are often hidden away,
and they are therefore rarely given attention in everyday life. But just as you maintain your car, your DHW AIR unit will need servicing
regularly to keep it functioning properly.
If appropriate service and maintenance are not carried out, the unit may get damaged. It can also result in increased energy consump-
tion.
You can set an alarm in your calendar on your phone that will notify you when your DHW AIR unit is due a service. Alternatively, you
can make a service appointment with your local Nilan dealer or service company.
Particle filter .
ATTENTION
Immediately after the heat pump has been put into operation, there may be a lot of dirt particles in the central heat-
ing unit. Following installation, the particle filter should therefore be checked and cleaned several times daily until
the filter remains clean.
After that, the particle filter should be checked once a year as part of a general service inspection.
Cleaning the particle filter:
1. Turn off the heat pump unit in the control panel in the menu ‘Unit On/Off’. Select ‘Off’.
2. Turn the shut-off valve (1) into a vertical position to shut off the water circuit.
3. Turn the filter housing anticlockwise and detach it.
4. Remove the filter from the filter housing and rinse it until clean. Unscrew the magnet at the bottom of the filter housing (2) so
metal residue is released. Rinse the filter housing until clean.
5. Screw the magnet back in and fit the filter in the filter housing again.
6. Screw the filter housing back in place (check the seal is placed correctly). Tighten the filter housing by hand.
7. Turn the shut-off valve into a horizontal position.
8. Turn on the heat pump unit in the control panel in the menu ‘Unit On/Off’. Select ‘On’.
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Checking safety valve
The safety valve for the domestic hot water should have an annual function check to ensure it is functional at all times.
The function check must be carried out by a trained plumber.
Checking sacrificial anode
A sacrificial anode is mounted in the hot water tank to protect the tank from corrosion. The sacrificial anode is electrically monitored
and it is important to replace it immediately after an alarm is detected in the control panel.
It depends on the water quality, installation and consumption how long it will take between replacements. From experience, it can take
between 1/2 to 10 years before it needs to be replaced. The sacrificial anode is a wear part that must be replaced by a professional
craftsman.
The warranty for the hot water tank only applies if the sacrificial anode is replaced when needed.
AIR outdoor unit
As part of the annual service inspection, you need to check the condensate drain of the outdoor unit by filling the condensate tray with
water and checking that it drains freely.
You must also clean the evaporator for dirt and leaves so air can pass through unhindered.
Finally, you need to clean the outdoor unit using a mild detergent. At the same time, check the unit for visible damages.
The heat pump
The heat pump must be inspected in accordance with applicable laws and regulations, such that it is kept in good condition and meets
safety and environmental requirements.
The installer is obliged to inform the owner/user about applicable laws and regulations.
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User settings
Setting the ventilation unit
Turn off the ventilation unit
If you need to open the doors to the unit in connection with servicing, remember to turn off the unit. You do this under the menu item
“Operation mode”.
> Unit on/off
Operation mode
You can set the unit to operate in “Auto”, “Winter” or “Summer” mode.
> Operation mode
When the unit is off, this icon is displayed on the main screen of the control panel in the top righthand corner.
ATTENTION
Before touching the electrical installations, you must ensure that the power supply is disconnected.
ATTENTION
When the unit is off in the HMI-panel the frost protection function of the unit is still active.
> Unit on/off
> Off Settings:
Standard setting:
Description:
Off / On
Off
The DHW AIR unit is “Off” on delivery in order to prevent errors
from occurring during when connected up.
This is also where you turn off the unit when service inspection
is to be carried out.
ATTENTION
The Winter and Summer functions override the week program. If a week program has been activated, the mode will
automatically change to “Auto” at the next shift in the week program.
> Operation mode
> Auto Settings:
Default setting:
Description:
Auto / Winter / Summer
Auto
Auto:The unit is operating according to preset values. At out-
door temperatures above 17°C for 24 hours, operation will
switch to summer mode. At outdoor temperatures below 13°C
for 24 hours, operation will switch to winter mode.
Winter: The unit produces hot water for central heating as well
as for domestic hot water.
Summer: The unit is set to produce only domestic hot water.
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