nilan CTS 150 User manual

Version: 1.0 14-12-2015
Software-version: 1.11
Original User Guide
User's Manual
CTS 150 by Nilan
Comfort CT150
Comfort 252 Top
Comfort 302 Top

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Control panel
Control panel – Stepwise control
Fan levels
0The system may only be switched off, for example, in an emergency where residents are asked
to leave the building, close doors and windows and shut down the ventilation system.
NB! When the system is dormant, condensate forms in the ductwork, which can cause mould.
1 Use this setting if you are away from home for some time, e.g. on holiday for two weeks.
NB! When the system is set to low humidity, it is set at level 1.
2The system is set at level 2 during normal operation. Air volume at level 2 corresponds to the
basic air volume that is set for the housing unit.
NB! Automatic humidity control changes the system's function, i.e. it runs at high or low fan
speed as necessary.
3Use this level when you have visitors in your home or if you have lit candles.
NB! Don't forget to return to level 2 when your visitors have left!
4Use this level if you have a party with many visitors, i.e. when the load is particularly high.
NB! You can also use this setting to run a cooker hood (if your cooker hood is connected to the
ventilation system).
Humidity control
We recommend that you set the system to run at low ventilation when humidity in your home falls to
under 30%. You can choose settings from 15 to 45%.
The integrated humidity control system will control the ventilation level automatically (on demand).
The system measures air humidity all the time, and calculates an average figure for the last 24-hour
period. This figure is the basis for ventilation control.
In the event of longer periods with freezing outdoor temperatures, air humidity in the home may fall to
an excessively low level. When air humidity indoors is too low, the ventilation level is reduced until air
humidity returns to normal.
If humidity is very high, e.g. after baths and showers, ventilation will be stepped up until the humidity
level in the home returns to normal.

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Alarm description
In the event of an error in the system, the left signal lamp will flash (alternating long and short
flashes).
ID
Alarm
Critical
Signal
1.
T3 temperature sensor missing
Y
2.
T4 temperature sensor missing
Y
3.
T8 temperature sensor missing
Y
4.
Humidity sensor missing
Y
5.
De-icing alarm
Y
6.
Filter alarm
N
- If the system records more than 5 de-icing registrations within 24 hours, the de-icing alarm
(ID = 5) is triggered.
- To re-activate the de-icing alarm, restart the system.
- The system shuts down when a critical alarm is active.
Restart ALARM:
- Turn control switch 0 4 0
- Turn control switch to current level.

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Filter replacement
Outdoor and extracted air filters are fitted behind the front panel (on panel front).
Filters should be replaced as needed – Factory setting: filter alarm triggers at 90-day intervals.
You can select a different interval for filter replacement alarm on the control panel.
Always shut down the system before replacing filter. To open front panel, loosen the screws.
Filters can be removed without using tools.
Recycling of this HVAC equipment
NB: The system is 98% recyclable. Ask your local authority for instructions regarding correct
disposal.