Comfort CT150 user manual

Comfort CT150 user manual
User manual
CTS 602 by Nilan
Comfort CT150
Version: 10.00, 13-04-2015
Software-version: 2.30
Contents
Contents ......................................................................................................................................... 2
List of figures .................................................................................................................................. 2
Introduction..................................................................................................................................... 3
System types .................................................................................................................................. 4
Temperature sensor overview ......................................................................................................... 5
Control panel .................................................................................................................................. 6
Using the menus ......................................................................................................................... 6
Menu overview ............................................................................................................................... 7
Menus ......................................................................................................................................... 7
Operating status ............................................................................................................................. 8
Main menu .................................................................................................................................. 9
Show alarms ............................................................................................................................. 10
Show data ................................................................................................................................. 13
User options .............................................................................................................................. 14
User select 2 ............................................................................................................................. 15
Date and time ........................................................................................................................... 16
Weekly program ........................................................................................................................ 17
Factory settings for the 3 weekly programs: .............................................................................. 17
Heating surface ......................................................................................................................... 19
Cooling ..................................................................................................................................... 20
Humidity .................................................................................................................................... 21
Air exchange ............................................................................................................................. 22
Air filter ..................................................................................................................................... 23
Temp. control ............................................................................................................................ 24
Language .................................................................................................................................. 25
Filter change................................................................................................................................. 26
Condensation drain and water trap ............................................................................................... 26
System dimensions ...................................................................................................................... 27
Accessories/spare parts ............................................................................................................... 28
List of figures
Figure 1: System types ................................................................................................................... 4
Figure 2: Diagram illustrating sensor location for Comfort CT150 ................................................... 5
Figure 3: CTS 602 control panel ..................................................................................................... 6
Figure 4: Menu overview ................................................................................................................ 7
Figure 5: Main menu ....................................................................................................................... 8
Figure 6: Main menu options .......................................................................................................... 9
Figure 7: The "Show alarms" menu .............................................................................................. 10
Figure 8: The "Show data" menu .................................................................................................. 13
Figure 9: The "User select" menu ................................................................................................. 14
Figure 10: The "User select" menu ............................................................................................... 15
Figure 11: The "Date and time" menu ........................................................................................... 16
Figure 12: The “Week program” menu .......................................................................................... 18
Figure 13: The "Heating surface" menu ........................................................................................ 19
Figure 14: The "Cooling" menu ..................................................................................................... 20
Figure 15: The " Humidity " menu ................................................................................................. 21
Figure 17: The "Air exchange" menu ............................................................................................ 22
Figure 18: The "Air filter" menu ..................................................................................................... 23
Figure 19: The "Temp. control" menu ........................................................................................... 24
Figure 20: The "Language" menu ................................................................................................. 25
Figure 21: Filter change ................................................................................................................ 26
Figure 22: Condensation drain...................................................................................................... 26
Introduction

Please check that the following documents have been supplied with the unit:
- Installation instructions
- Operating instructions for CTS 602 controls (this manual)
- Wiring diagram
The purpose of this manual is to provide a clear and concise description of the CTS 600 menus
and their possible settings.
The manual may contain functions and facilities which are not available on your system.
Unless otherwise stated in the titles, the descriptions apply to all systems listed on page 4.
When the display “shows” cooling”, the temperature of the inlet air is the same as the outside
temperature, and heat recovery is thus not performed.
PLEASE NOTE: If the system is damaged in any way, it must be inspected and repaired by
licensed personnel.
The system is delivered ready for use.
The factory settings are suitable for most user requirements and it should therefore not be
necessary to change any settings other than those found in the main menu.
The main menu is described on pages 8 and 9.
May be subject to change
Page 3 of 28
System types
Heating surface, water
Heating surface, electrical
Frost-protection of heating
surface
Cooling via by-pass damper
Defrosting
Comfort CT150
Heat recovery
1
Type
No.
The controls are designed for use with the following systems.
The figure below describes the possibilities offered by the various models.
x
x
x
x
x
x
Figure 1: System types
May be subject to change
Page 4 of 28
Temperature sensor overview
Figure 2: Diagram illustrating sensor location for Comfort CT150
Key to sensors described in figure 2:
T2 is the temperature sensor at the inlet ventilator (without heating surface).
T3 is the temperature sensor in the exhaust at the intake.
T4 is the temperature sensor in the outlet.
T7 is the temperature sensor in the inlet after the heating surface.
T8 is the temperature sensor in the outdoor air at the intake.
T9 is the temperature sensor of the heating surface.
T10 is the temperature sensor in the exhaust (accessory).
T15 is the temperature sensor located inside the CTS 602 control panel.
The temperature currently recorded by the various sensors can be seen in the VIEW DATA menu.
May be subject to change
Page 5 of 28
Control panel
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
Figure 3: CTS 602 control panel
The yellow LED on the front of the control panel indicates the following:
Constantly lit: compressor in operation
Flashes: system in alarm condition
The control panel can display 2 lines of text, each containing 8 characters.
The upper line consists of explanatory text.
The lower line contains the setting or settings associated with the parameter described by the
explanatory text.
The text shown on the display remains "lit" as long as the system is connected to the power
supply. It will thus remain lit even if the system is turned off or if the control panel has not been
operated for some length of time.
Using the menus
To change a setting or function, the relevant menu must first be accessed by pressing p or q.
To activate the required menu, press ENTER.
To change the setting of the required parameter, press and hold ENTER until the value flashes.
The setting can then be changed to the required value using pq.
To save the new setting, press ENTER.
When reading the following menu descriptions, it is a good idea to have access to the control panel
or menu overview.
If no buttons are pressed for one minute, the controls automatically return to the main menu.
If the controls return to the main menu during system configuration, any new data will be
automatically stored if they have been saved by pressing ENTER. It is always possible to continue
configuring the system by returning to the point reached.
May be subject to change
Page 6 of 28
Menu overview
Menus
Usually, the main menu will be displayed on the control panel (i.e. the menu in the bold box in the
overview below). From here, it is possible to scroll through all the other menus using pq.
Mainmenu
Submenu
SHOW
ALARMS
SHOW
ALARMS
SHOW
DATA
SHOW
DATA
Operating mode (heat, auto, cool), etmperatures, fan speed, type
af unit and software version.
AUTO W/1
>2<
19°C
AUTO W/1
>2 <
19 °C
Main menu: displays operating status.
Press ESC to return to the main menu.
USER
SELECT
USER
SELECT
Alarm display and reset.
Alarm log containing the latest 16 alarms.
Options: exhaust, inlet, ventilation, OFF. The function selected is
activated via a switch or pressure.
User select 2 as user select
2
10-09-13
TM
..
12:10
10-09-13
..
12:10
TM.
Date and time settings.The time and date must be reset if the system has
been without power for more than 24 hours. Summer and winter time
must also be set manually.
WEEK
PROGRAM
Weekly program can be set to ON or OFF. When the program is active.
1, 2 or 3 is displayed in the main menu
HEATING
SURFACE
The system has a heating surface installed. The heating surface can be
chosen ON/OFF. Frost-protection is still active when OFF is chosen.
COOLING
Option for choosing a higher ventilation level when the system is
cooling via open bypass valve.
HUMIDITY
Offers the option to set a higher/lower fan speed at a high/low humidity
level
AIR
EXCHANGE
Opportunity for a low ventilating step at low outdoor temperatures.
The controls are factory set to activate a filter alarm every 90 days. The
alarm is reset in the VIEW ALARMS menu
AIR
FILTER
Setting the minimum temperature required in order for the bypass
valve to close.Maximum inlet air temperature can be set for a heating
element.
TEMP.
CONTROL
LANGUAGE
ENGLISH
LANGUAGE
ENGLISH
Select the required language: English, German, French, Swedish,
Danish, Norwegian or Finnish.
Figure 4: Menu overview
May be subject to change
Page 7 of 28
Operating status
Three parameters are shown in the main menu: operating mode, ventilation step and temperature.
These parameters determine operating status and are set by the user.
The main menu is shown on the display approx. 15 seconds after power has been connected,
allowing users to select the required settings.
By pressing ESC one or more times you will automatically return to the main menu.
* : active user settings
1, 2, 3 : weekly program
active
L: low ventilation step at low
outdoor temperature
Operating mode: OFF
AUTO
COOL
HEAT
Main menu
AUTO */L/1
>2<
19°C
Ventilationstep
Required room temperature.
(5-30°C).
Figure 5: Main menu
The required room temperature can be set by pressing ENTER once. The number beside °C will
begin to flash and the setting can then be changed using pq. Finally, confirm the new setting by
pressing ENTER.
As for systems without a post-heating element, the display shows the current room temperature.
Operating mode can be changed by pressing ENTER twice. The current mode will begin to flash,
allowing it to be changed using pq and confirmed by pressing ENTER. When the system is set to
“Auto”, the bypass valve opens and closes automatically, depending on the temperature setting.
“Cooling” means that the bypass valve is open, and “Heating” means that it is closed.
Ventilation step can be changed by pressing ENTER three times. The current ventilation step will
begin to flash, allowing it to be changed using pq and confirmed by pressing ENTER.
May be subject to change
Page 8 of 28
Main menu
The main menu is displayed approx. 15 seconds after the power has been connected. Options that
flash are indicated by ” ”.
The options available on the main menu are shown in the figure below:
You will always return to the main menu if you press ESC one or more times.
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
When operating in
AUTO mode, the
controls automatically
call for cooling or
heating to maintain the
required room
temperature. A weekly
program can be used.
AUTO
>2< 19°C
ENTER AUTO
>2< ”19°C”
Main menu
AUTO
>2< ”5-30°C”
The indicated
ventilation step is for
exhaust air.
ENTER ”AUTO”
>2< 19°C
ENTER AUTO
”>2<” 19°C
”COOL”
>2< 19°C
AUTO
”>3<” 19°C
”HEAT”
>2< 19°C
Heating to achieve the
set temperature. A
weekly program can be
used.
Cooling to achieve the set
temperature. Cooling via
by-pass damper only when
T8, outdoor air, is lower
than T3, exhaust. A
weekly program can be
used.
Figure 6: Main menu options
May be subject to change
Page 9 of 28
Show alarms
If an alarm condition occurs, the yellow LED on the CTS 602 control panel will begin to flash.
The SHOW ALARMS menu allows users to identify the alarm condition and the time at which it
occurred. Alarms can also be reset in this menu.
SHOW
ALARMS
ENTER ALARM 71
DEFROST
ALARM LIST:
Displays 0-3 active
alarms.
The most recent and
most critical are
displayed first. The
list is deleted if power
is disconnected.
ENTER 06-05-30
TI 11:32
ALARM 19
FILTER
Alarm reset: Alarms must be reset
individually. Only inactive alarms
can be reset. All alarms when
Alarm 0 None is displayed.
ALARM 8
FROST
ALARMLOG
ALARMLOG:
Is retained after
power has been
disconnected.
Contains the latest 16
alarms. AL 1 is the
most recent.
ENTER 00-00-00
TI 00:00
ENTER AL 1:
DEFROST
ENTER 06-05-30
TI 10:28
AL 19:
FILTER
STATUS
ALARM
AL 8:
FROST
T1 20°C
T2 20°C
T3
T4
0,00
0,00
ALARMLOGDATA:
Data readings at the
time the alarm was
activated.
OUT 1-8
00000000
OUT 9-16
00000000
OUT 17-24
00000000
Figure 7: The "Show alarms" menu
May be subject to change
Page 10 of 28
Alarm codes are given for specific alarm situations or where users are to be provided with
important information.
Alarms are grouped in the following categories:
C
Critical
W
Warning
I
Informative
Operation partially or totally discontinued as long as the alarm situation
persists.
Situation will become critical if not remedied within a reasonable period of
time.
Standard operation is not affected. The alarm is reset as soon as the user
acknowledges it.
Alarm
code
Category
Display text
00
01
-C
-HARDWARE
02
C
TIMEOUT
Warning alarm (W) has become a
critical alarm.
03
C
FIRE
07
C
FROST
Fire detecting thermostat.
Unit is stopped because the fire
detecting thermostat has been
activated.
1) Frost-protection of heating
surface: the inlet air over the
heating surface is too cold
which can be caused because
the by-pass damper is open.
2) The water from the central
heating is too cold.
08
C
FROST
09
C
OVERTEMP
10
C
OVERHEAT
11
C
AIRFLOW
May be subject to change
Description/cause
No alarm
Fault in controls hardware.
One of the temperature sensors in
the unit is short circuit or defect.
One of the temperature sensors in
the unit is disconnected or defect.
Electrical heating surface has
been overheated due to lack of
airflow.
Lack of airflow in inlet. See alarm
code 10.
Remedy
Reset controls. Contact
service centre if fault
persists.
Make a note of the alarm
and reset.
Contact service centre if
alarm persists.
If there has not been a fire
please contact service.
1) Close by-pass damper,
activate heating surface
and reset alarm.
2) Check that the heating
supply for the heating
surface is OK. Reset
alarm when fault has
been repaired.
Note the sensor and contact
service.
Note the sensor and contact
service.
Check filters, air intake and
ventilators. Reset alarm.
Contact service centre if
system fails to operate
satisfactorily.
See alarm code 10
Page 11 of 28
Alarm
code
Category
Display text
Description/cause
15
W
ROOM LOW
16
17
18
I
I
I
SOFTWARE
WATCHDOG
SET
If room temperature falls below
10°C, the system will stop
operating in order to prevent
further cooling.
This could, for example, occur if
the house is unoccupied and the
heating system switched off.
Error in controls software.
Error in controls software.
System configuration has been
partially lost.
Can be caused by prolonged lack
of power or lightning.
The system will continue to
operate using standard settings.
19
I
FILTER
21
I
SET TIME
22
I
T AIR
27-57
C
Tx SHORT
28-58
C
Tx OPEN
71
W
DFR EXCH
The maximum defrosting time for
the counter flow heat exchanger
has been exceeded. This could
be due to the fact that the system
has been exposed to very low
temperatures.
91
92
I
i
OPTIO
PRESET
Accessories circuit board
Error by writing or input of the
electrician’s adjustments
May be subject to change
The system is set to activate an
alarm for filter
inspection/replacement after a
specific number of days (30, 90,
180 or 360 days).
The default setting is 90 days.
Occurs during power failure.
The heating of the set
temperature cannot be reached.
Heating surface and system
cannot lift the temperature to the
required level.
One of the temperature sensors
connected to the system has
short-circuited/is defective.
Short-circuited sensor = +99°C
One of the temperature sensors
connected to the system has
been disconnected/is defective.
Disconnected sensor = -40°C
Remedy
Switch heating on and reset
alarm.
Contact service centre.
Contact service centre.
Reset alarm.
Configure weekly program
as required.
Contact service centre if
system fails to operate
satisfactorily or as it did
before as subsettings may
have been lost.
(Such subsettings can only
be accessed by a service
technician.)
Clean/replace filter.
Reset alarm.
Check weekly program
settings and reset if
necessary.
Reset alarm.
Set a lower inlet
temperature. Reset alarm
Make a note of which sensor
(Tx) has short-circuited (e.g.
T1 short) and contact service
centre.
Make a note of which sensor
(Tx) has become
disconnected (e.g. T1
discon) and contact service
centre.
Contact our after sales
department if resetting the
alarm does not help.
If possible, inform the after
sales department of the
current working temperature
from the menu SHOW
DATA.
Contact service centre.
Contact service centre.
Page 12 of 28
Show data
Current operating data are displayed in the SHOW DATA menu.
The location of the various sensors is shown in figure 2 on page 5.
SHOW
DATA
ENTER STATUS
HEATING
BYPASS
CLOSED
PANEL
T15
20°C
T10 is an external sensor that can be
installed in an exhaust fitting in the
sitting area. T10 can be chosen as a
controlling room sensor in the service
menu. See the installation instruction
EXTERNAL
T10
9 °C
HUMIDITÉ
100 %
CO2
588ppm
For systems without
heating element, T2 is
shown. For systems
with heating element,
T7 is shown.
Sensor in the exhaust
air. T3 can be chosen
as a controlling room
sensor in the service
menu. See the
installation instruction.
Room temperature
recorded by T15
(sensor in CTS 600
control panel).
INLET
T2
50 °C
INLET
FLOW 2
The software version
used by the system.
EXHAUST
FLOW 2
EXHAUST
T3
40 °C
SOFTWARE
1
2.21
FRESHAIR
T8
25 °C
SOFTWARE
2
1.02
OUTLET
T4
40 °C
TYPE
COMFORT
The software
version used by
the controls.
Figure 8: The "Show data" menu
May be subject to change
Page 13 of 28
User options
The menu CUSTOM OPTIONS overrides the operating mode of the main menu by activating an
external switch.
”VENTILAT”: There is a possibility here to run with a higher or lower speed on the air exhaust and
air inlet for a limited amount of time. The external pressure will activate the function. The function
has high priority.
”exhaust” and ”inlet”: These two options increase or reduce the velocity of the exhaust or inlet air
respectively for a limited period of time. The remaining functions of the operating mode remain
unaltered. An external switch activates the timer function.
Another external switch ensures that the fans remain at the desired ventilation level until the switch
is turned off.
”extend”: This option controls the velocity of the exhaust and inlet air and can be used to change
the temperature of the inlet air for a limited period of time. An external switch activates the timer
function.
“OFF”: Deactivates the external switch.
”ext offs”: Provides the possibility of choosing an afterflow time and changing the set point in
external rooms.
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
RE1:NO contact for
controlling the hood
damper motor
Option for an extra relay output
R8. R8 is an accessory and
the option is only possible
via accessory pcb
The temperature is added
or subtracted to/from the
set point shown
in the main
.
menu.
USER
SELECT
ENTER SELECT
”EXTEND”
Required period in
which the selected
function is to remain
operative: stated in
hours and minutes.
Max 8 hours.
ENTER
TIME
ENTER
FLOW
”00:00"
ENTER
FLOW
ENTER
TEMP
”>4<”
>4<
TEMP
23°C
Required ventilation
step: 1-4.
OFF allows the system
to be shut down via an
external switch.
TIME
00:00
”23" °C
SELECT
”C HOOD”
SELECT
”VENTILAT”
ENTER
SELECT
ENTER
”EXT OFFS”
SELECT
”EXHAUST”
ENTER
SELECT
”INLET”
ENTER
Choose the
afterrunning and
displacement of
the setpunkt, for
externak heating.
See SELECT
EXTEND
Time and speed must
be set in the same
way as described
under SELECT
EXTEND.
SELECT
”EXTEND”
SELECT
”OFF”
Possibility to run at
a higher or lower
rate. High priority.
ENTER
Switches user option
off.
Required room temperature
(5-30°C).
T15 is the temperature sensor to
be used to control the system.
Figure 9: The "User select" menu
May be subject to change
Page 14 of 28
User select 2
User select 2 as user select. (Only if the option board is installed)
RE7:NO contact for
controlling the hood
damper motor
Option for an extra relay output
R8. R8 is an accessory and
the option is only possible
via accessory pcb
The temperature is added
or subtracted to/from the
set point shown
in the main
.
menu.
USER
SELECT
2
ENTER SELECT
”EXTEND”
Required period in
which the selected
function is to remain
operative: stated in
hours and minutes.
Max 8 hours.
TIME
ENTER
TIME
”00:00"
00:00
FLOW
ENTER
FLOW
ENTER
TEMP
”>4<”
>4<
TEMP
23°C
Required ventilation
step: 1-4.
OFF allows the system
to be shut down via an
external switch.
ENTER
”23" °C
SELECT
”C HOOD”
SELECT
”VENTILAT”
ENTER
SELECT
ENTER
”EXT OFFS”
SELECT
”EXHAUST”
ENTER
SELECT
”INLET”
ENTER
Choose the
afterrunning and
displacement of
the setpunkt, for
externak heating.
See SELECT
EXTEND
Time and speed must
be set in the same
way as described
under SELECT
EXTEND.
SELECT
”EXTEND”
SELECT
”OFF”
Possibility to run at
a higher or lower
rate. High priority.
ENTER
Switches user option
off.
Required room temperature
(5-30°C).
T15 is the temperature sensor to
be used to control the system.
Figure 10: The "User select" menu
May be subject to change
Page 15 of 28
Date and time
The clock will continue to operate for at least 24 hours during power failure. If date and time
settings are lost, the "Set time" alarm will be activated.
Remember to set summer and winter time manually.
Options that flash are indicated by ” ”.
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
06-05-30
TI 12.10
ENTER YEAR
ENTER YEAR
”06"
ENTER
06
ENTER MONTH
”05"
ENTER
05
ENTER
30
ENTER DAY
”30"
ENTER HOUR
”12"
ENTER
12
ENTER
10
ENTER MINUTE
”10"
MONTH
DAY
Is only displayed the
first time the clock is
set, Monday = 1.
WEEK
DAY
2
HOUR
MINUTE
Seconds are zeroed when
minute is set.
Figure 11: The "Date and time" menu
May be subject to change
Page 16 of 28
Weekly program
The controls offer a choice of 3 weekly programs.
The controls are factory set to OFF.
In addition to these programmes it is possible to programme your own week programme which can
be one of the standard programmes with minor alterations.
Options that flash are indicated by ” ”.
Factory settings for the 3 weekly programs:
Program 1 is suitable for the working family
Program 2 is suitable for the non-working family
Program 3 is suitable for offices
Program
Program 1
Program 2
Program 3
Week day
Monday Friday
Saturday Sunday
Monday Sunday
Monday Friday
Function
1
2
3
4
1
2
1
2
1
2
Time
6.00
8.00
15.00
22.00
8.00
23.00
8.00
23.00
7.00
16.00
Ventilation
3
1
3
1
3
1
3
1
3
OFF
Temperature
21
21
21
21
21
21
21
21
21
21
Weekly program settings
Week
day.
Program step.
6 program steps are
available each day.
MO 1 08.00
>1< 17°C
Fan speed.
May be subject to change
Time of program step activation.
If a program step should not be used
OFF should be chosen.
(OFF is located instead of 24.00)
Required room
temperature.
Page 17 of 28
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
Here it is possible to
chose one of the 3
standard programmes.
The 3 programmes can
be altered but not deleted.
The original programme
can always be found.
WEEK
PROGRAM
ENTER SELECT
OFF
System operation in
accordance with main
menu settings
SELECT
”CLEAR”
ENTER
SELECT
”PROG 3"
ENTER
SELECT
”PROG 2"
ENTER
SELECT
”PROG 1"
ENTER SELECT
PROG 1
ENTER
ENTER SELECT
”OFF”
MO1 06.00
>3 < 21°C
ENTER
MO2 08.00
>1 < 17°C
ENTER
Here it is possible to delete all
user made programmes. The unit
will continue in AUTO mode
without any week programme.
Here it is possible to make your own
programme or adjust one of the
standard programmes. If there is more
than one function at the same time only
the last one is active.
MO 3 AUS
>1 < 17°C
MO4-6
MO TU
COPY
TU1 06.00
>3 < 21°C
TU2-6
ENTER MO TU
”COPY”
ENTER TU
WE
COPY
ENTER
Once settings have been made for
Monday , the values can be copied
to any other day the same settings
are to apply using in the copy
function.
Figure 12: The “Week program” menu
May be subject to change
Page 18 of 28
Heating surface
The menu HEATING SURFACE is only accesssible when the system has a heating surface
installed and when the control has been set up to a heating surface in the SERVICE MENU. (Not
available in standard control)
Options that flash are indicated by ” ”.
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
When a heating surface is
installed T2 is replaced
with T7, which is the
sensor placed in the inlet
at the heating surface.
HEATING
SURFACE
ENTER SELECT
OFF
SELECT
”ON”
ENTER
ENTER SELECT
”OFF”
ENTER
If you wish to disconnect the
heating surface this position should
be chosen.
The frost-protection is still active
and T7 is the active temperature
sensor for the inlet air.
Figure 13: The "Heating surface" menu
May be subject to change
Page 19 of 28
Cooling
The Comfort range offers the ability to cool the air by opening a bypass damper.
The menu COOLING allows you to set the system to automatically run at a higher/the highest
ventilation level at high outside temperatures
Options that flash are indicated by ” ”.
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
COOLING
ENTER VENTILAT
HIGH 2
ENTER VENTILAT
HIGH ”2"
ENTER
The options are OFF, 2,
3, 4.
Figure 14: The "Cooling" menu
May be subject to change
Page 20 of 28
Humidity
In the “Humidity” menu it is possible to regulate the ventilation step in accordance with the humidity
level.
In the “Humidity” menu it is possible to regulate the ventilation step in accordance with the humidity
level.
Low ventilation step is only active in wintertime and at humidity levels below 30%.
High step is activated by a change from 10-5% of average RH from 40-80% over the last 24 hours
High ventilation step is deactivated when humidity drops 3% or more compared to the average
humidity level the last 24 hours.
It can last up to 3 minutes before high/low ventilation step i stabilized.
” ” indicates that the menu point flashes and can be set to another value.
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
Option of choosing low
ventilation step at low
humidity.
The value can be set to: OFF
and 1, 2, 3, .
HUMIDITY
ENTER HUMIDITY
LOW
1
ENTER HUMIDITY
LOW
”1"
ENTER
HUMIDITY
LOW
1
ENTER HUMIDITY
LOW
”1"
ENTER
HUMIDITY
HIGH
4
ENTER HUMIDITY
HIGH
”4”
ENTER
ENTER TIME
ENTER
TIME
OFF MIN
”OFF” MIN
Adjustable range
between 15...45%
Standard is 30 %
Option of choosing
high ventilation
step at high
humidity.
The value can be
set to: OFF and 2,
3, 4.
Maximal duration for high
ventilation step caused by
high humidity.
Figure 15: The " Humidity " menu
May be subject to change
Page 21 of 28
Air exchange
The menu AIR EXCHANGE gives the possibility of choosing a low ventilating step at low outdoor
temperatures.
Options that flash are indicated by ” ”.
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
AIR
EXCHANGE
ENTER WINTER
LOW
3
WINTER
< 0°C
ENTER
WINTER
LOW
”3"
ENTER
ENTER
WINTER
< ” 0 ” °C
ENTER
Option for low ventilation
level at a low outside
temperature
Can be set to OFF, 1, 2, 3.
When the outdoor
temperature is below this
set temperature the system
will run at the lower
ventilating step
.
Figure 17: The "Air exchange" menu
May be subject to change
Page 22 of 28
Air filter
The AIR FILTER menu allows users to select the interval at which they wish the controls to activate
a filter alarm, reminding them that it is time to check/replace the air filter.
The system contains two plate filters in the inlet and exhaust duct, respectively. These filters must
be controlled at least 3 times a year and replaced as required. The filters are replaced by
dismounting the front cover and removing the filters. Please note that the system must be turned
off when replacing the filters.
It is possible to install an extra box with a pollen filter EU7 in the inlet duct.
The controls are factory set to activate the alarm at 90 day intervals.
A filter guard can be installed above the system’s filters/pollen filters.
Options that flash are indicated by ” ”.
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
AIR
FILTER
ENTER ALARM
90 DAYS
ALARM
”GUAR+70D”
ENTER
ALARM
”360 DAYS”
ENTER
ALARM
”180 DAYS”
ENTER
ENTER ALARM
”90 DAYS”
ENTER
ALARM
”30 DAYS”
ENTER
ALARM
”GUARD”
ENTER
Suggestion for filter guard
settings: 2 x pressure drop
for clean filters
Figure 18: The "Air filter" menu
May be subject to change
Page 23 of 28
Temp. control
The TEMP. CONTROL menu allows active compressor cooling to be stopped at low outdoor
temperatures.
Options that flash are indicated by ” ”.
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
Lowest inlet temperature in the
summer. If the outside temperature is
lower than indicated, the bypass valve
will close.
TEMP.
CONTROL
ENTER SUMMER
”MIN 14°C”
Is only included in the
menu of the control
panel if a post-heating
element is installed in
the system.
ENTER
WINTER
”MIN 16°C”
ENTER
SUMMER
MAX ”22°C”
ENTER
WINTER
MAX ”24°C”
ENTER
SUMMER
> ”12°C”
ENTER
Lowest inlet temperature in the winter.
If the outside temperature is lower than
indicated, the bypass valve will close.
Highest inlet temperature in
the summer.
Highest inlet temperature in
the winter.
Minimum outside temperature at
which the system runs in summer
operating mode. If the outside
temperature is below 12 °C, the
system will switch to winter
operating mode.
Figure 19: The "Temp. control" menu
May be subject to change
Page 24 of 28
Language
The language in which the displays are to be shown can be selected in this menu.
Options that flash are indicated by ” ”.
On the CTS 602 control panel, press:
- ESC to return to the previous menu
- qp to scroll upwards or downwards through the menus or to
adjust the setting of an activated menu option
- ENTER to activate a menu option
- ENTER to confirm a new menu option setting
- OFF to switch off the controls
- ON to switch on the controls
LANGUE
DANISH
LANGUE
”SUOMI”
ENTER
LANGUE
”NORWEG.”
ENTER
ENTER LANGUE
”DANISH”
ENTER
LANGUE
”SWEDISH”
ENTER
LANGUE
”FRENCH”
ENTER
LANGUE
”GERMAN”
ENTER
LANGUE
”ENGLISH”
ENTER
Figure 20: The "Language" menu
May be subject to change
Page 25 of 28
Filter change
Outdoor- and extract air filters are placed behind the front of the system.
The filters can be replaced as needed – the units are configured from factory to the filters having a
life span of 90 days. The desired life span can be altered using the control panel.
Before change filter:

Always disconnect the power to the system
Screws are loosened and the lid is removed. The filters can be removed without using tools.
Figure 21: Filter change
Condensation drain and water trap

-
Always disconnect the power to the system
Check if condensation drain and water trap is clear off filth, if necessary clean drain and water trap
Figure 22: Condensation drain
May be subject to change
Page 26 of 28
System dimensions
1:
2:
3:
4:
11:
Fresh Air
Air Inlet
Air Exhaust
Air Discharge
Condensation drain
Comfort CT150
May be subject to change
Page 27 of 28
Accessories/spare parts
Type
Pollen filter for fitting
Filter G4 (1set = 2stk.)
System type
Comfort CT150
Comfort CT150
Qty
1
1
Nilan item no.
3927
39170
Heating surface for water incl. regulation
System
Comfort CT150
Qty
1
Nilan item no.
768894Z
Electrical heating surface (for fitting in inlet duct)
System
Output
Comfort CT150
0,9kW
Qty
1
Nilan item no.
764131
Spare parts/accessories
Type
CTS 602, control PCB
CTS 602, control panel, complete
CTS 602, white control panel enclosure
Humidity sensor
Heating cable for condensation outlet (frost protection)
System
Type
Comfort
Heating cable
May be subject to change
Qty
1
1
1
1
Nilan item no.
229933
2398
2398HX
23997
Nilan item no.
2172
Page 28 of 28
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