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User manual
CTS 602
by Nilan
VP 18 M2
Version: 10.00, 13-04-2015
Software-version: 2.30
Table of contents
Table of contents ............................................................................................................................ 2
Figure table .................................................................................................................................... 2
Introduction ..................................................................................................................................... 3
Types of units ................................................................................................................................. 4
Review of the thermometer sensors ............................................................................................... 5
CTS 602 panel ............................................................................................................................... 6
How to use the menu: ................................................................................................................. 6
Review of the menus ...................................................................................................................... 7
Menus in the CTS 602 control ..................................................................................................... 7
Operating mode .............................................................................................................................. 8
Main menu .................................................................................................................................. 9
Show alarms ............................................................................................................................. 10
Show data ................................................................................................................................. 13
User select ................................................................................................................................ 15
Setting of clock.......................................................................................................................... 16
Week programme ..................................................................................................................... 17
Factory settings for the 3 weekly programs: .............................................................................. 18
Cooling ..................................................................................................................................... 20
Air exchange ............................................................................................................................. 21
Air filter ..................................................................................................................................... 22
Temp. control ............................................................................................................................ 23
Setting of language ................................................................................................................... 24
Faultfinding ................................................................................................................................... 25
Maintenance ................................................................................................................................. 26
Energy saving ............................................................................................................................... 29
Accessories .................................................................................................................................. 30
Figure table
May be subject to change page 2 af 30
Introduction
Please control that the following documents have been delivered together with the unit:
- Directions for assembly and use
- CTS 602 directions (this document)
- Electrical chart
The purpose of this manual is to clearly show the menus and possibilities of the CTS 602 control.
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.
It is possible to e.g. increase the speed of the exhaustion for a limited period of time.
GETTING STARTED
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 af 30
Types of units
The control is made for the following ventilation units.
1
VP18 M2
Figure 1: Types of units x x x x x x
May be subject to change page 4 af 30
Review of the thermometer sensors
VP18 M2
Figure 2: Diagram illustrating sensor location for VP 18
Explanation for figure 2:
T1 is the thermometer sensor for the fresh air and should be placed at the north side of the building.
T5 - shows the temperature of the condenser.
T6 - shows the temperature of the evaporator.
T11 - is the temperature at the top of the hot water tank.
T12 - is the temperature at the bottom of the hot water tank.
T15 - is the thermometer sensor in the CTS 602 panel.
The temperature of the sensors can be read in the “Show data” menu.
May be subject to change page 5 af 30
CTS 602 panel
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
Figure 3: CTS 602 panel
The following is indicated by the light-emitting diode at the front of the CTS 602 panel:
Constant yellow light: the compressor is in operation
Flashing yellow: the unit is in alarm condition
The panel can show 2 lines of text with each 8 characters.
The upper line shows a guiding text.
The bottom line shows the matching values to the guiding text.
The text in the display in “on” as long as there is power to the unit and will not turn off even though t he unit is set to “off” or has not been operated for a longer period of time.
How to use the menu:
It is possible to adjust a value or a function by finding the matching menu via p or q.
To activate the desired menu press ENTER.
To adjust the settings of the value press ENTER until the value flashes.
The adjustment can now be done viapq.
To save the chosen value press ENTER.
It is advisable to have the panel and/or the review of the menus near by during the reading of the menus.
If none of the press buttons are activated for one minute the control will automatically return to the main menu.
If you are in the middle of the programming when the control returns to the main menu all data will be saved if they previously are saved by pressing ENTER. It is always possible to return to the programming to continue.
May be subject to change page 6 af 30
Review of the menus
Menus in the CTS 602 control
CTS 602 control has 12 menus (if the unit is with cooling).
The control will have the main menu as starting point, (the menu in the full-drawn frame). From here it is possible to go through the other menus via pq.
SHOW
ALARMS
Alarm display and reset.
Alarm log containing the latest 16 alarms.
SHOW
DATA
Operating mode (heat, auto, cool), temperatures, fan speed , type of unit and software version.
AUTO W/1
>2< 19°C
Main menu: displays operating status.
Press ESC to return to the main menu.
USER
SELECT
10-09-13
TM ..
WEEK
PROGRAM
Options: exhaust, inlet, ventilation, OFF. The function selected is activated via a switch or pressure.
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.
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
Displays the data of the sanitary water production.
COOLING
Allows for you to set the injection temperature of cooling via compressor.
AIR
EXCHANGE
AIR
FILTER
TEMP.
CONTROL
LANGUAGE
ENGLISH
You can choose between a balanced air renewal , curve controlled air renewal and air renewal controlled by the sanitary water need.
The controls are factory set to activate a filter alarm every 90 days. The alarm is reset in the VIEW ALARMS menu.
Setting the minimum temperature required in order for the bypass valve to close. Maximum inlet air temperature can be set for a heating element.
Select the required language: English, German, French, Swedish,
Danish, Norwegian or Finnish.
Figure 4: Menu headlines
May be subject to change page 7 af 30
Operating mode
The main menu shows 3 different values: operating mode, ventilation step and temperature. Those values indicate the state of the unit and are selected by the user.
The main menu is automatically shown 15 seconds after the unit is electrically connected and is now ready to be set.
Operating mode: OFF
AUTO
COOL
HEAT
* : the ”USER
SELECT” menu is
active
P : week programme
is active
W : electrical heating
element is active
L: low ventilation
step at low outdoor
temperature
AUTO *
>2< 19°C
Ventilation step
Desired roomtemperature
(5-30°C).
Figure 5: Main menu
Desired room temperature can be adjusted by pressing ENTER once. The number at °C flashes and the value can be set via pq. The desired value must be approved by pressing ENTER once.
The operating mode can be adjusted by pressing ENTER twice. The actual mode is flashing and can be set via pq and approved by pressing ENTER once.
In “AUTO”-mode the bypass-draught control is automatically opened or closed according to the temperature setting. As regards cooling there is a neutral zone of 5 °C below room temperature before the unit actively cools via compressor.
The ventilation step can be adjusted by pressing ENTER three times. The actual ventilation step is flashing and can be set via pq and approved by pressing ENTER once.
May be subject to change page 8 af 30
Main menu
The main menu is automatically shown 15 seconds after the unit is electrically connected.
” ” indicates that the menu point flashes and can be set to another value.
The options available on the main menu are shown in the figure below:
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
In AUTO mode the unit automatically choses cooling or heating according to the desired room temperature. Week programme is possible.
The indicated ventilation step applies for the exhaust.
AUTO
>2< 19°C
ENTER
AUTO
>2<
”19°C”
AUTO
>2<
”5-30°C”
ENTER
”AUTO”
>2< 19°C
”COOLING”
>2< 19°C
ENTER
AUTO
”>2<” 19°C
AUTO
”>3<” 19°C
”HEAT”
>2< 19°C
Cooling according to the desired room temperature.
Week programme is
NOT optional.
Heating according to the desired room temperature.
Week programme is
NOT optional.
Figure 6: Headlines in the
”Main menu”
May be subject to change page 9 af 30
Show alarms
If the unit is in a state of alarm the yellow light-emitting diode on the front of the CTS 602 panel will flash.
The ”Show alarms” menu indicates the type of alarm and the time of the alarm. This is also the menu where the alarm should be reset.
SHOW
ALARMS
ENTER
ALARM 6
DEFROST
ENTER
06-05-30
TI 11:32
ENTER
00-00-00
TI 00:00
LIST OF ALARMS:
Shows from 0-3 active alarms. The newest and most critical alarms are shown first.
The list is erased if the power is cut.
ALARM 4
PRESSURE
ALARM 13
BOILING
ALARMLOG
ENTER
AL 1:
DEFROST
Resetting of alarms:Alarms should be reset individually. Only active alarms can be reset. ALARM0 indicates that all alarms are reset.
ENTER
06-05-30
TI 10:28
AL 2:
PRESSURE
STATUS
ALARM ALARMLOG:
The log is recovered after power cut and shows the 16 most recent alarms
AL 1 is the newest.
AL 3:
BOILING
T1 20°C
T2 20°C
T3 0,00
T4 0,00
ALARMLOGDATA:
Snapshots from the time of the alarm.
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 af 30
Alarm codes are given because of a fault situation or when it is important to inform the user.
The alarms are divided into the following categories:
C Critical
Operation is partly or completely stopped as long as the alarm is active.
W Warning
These types of alarms will become critical if the problem is not solved quickly.
I Informative Normal operation is not affected. Alarm disappears when it is reset.
Categori Description/ cause How to remedy alarms Alarm code
00
01
--
C
Text in display
-- No alarms
02
03
04
06
08
09
13
C
C
C
C
C
C
C
HARDWARE
TIMEOUT
Error in control hardware
Warning alarm W has become a critical alarm.
Contact service if reset does not help
Note and reset the alarm.
Contact service if alarm does not disappear.
If there has not been a fire please contact service.
FIRE Fire detecting thermostat.
Unit is stopped because the fire detecting thermostat has been activated.
PRESSURE High or low pressure switch in the cooling circuit has been triggered, probably caused by:
High pressure:
Extreme hot
Cloaked filter
Defective fan
Low pressure:
Extreme cold
Check for errors and reset alarms.
If you are unable to reset the alarm or if the alarm occurs often please contact service.
DEFROST
FROST
Unit might have lost coolant
Cloaked filter
Defective fan
The unit is defrosting.
The frost protection of the heat recovery system is insufficient and the unit will stop. This can be caused by extreme low outdoor temperatures
One of the temperature sensors in the unit is short circuit or defect.
Contact service if reset does not help. Note the actual sensor temperatures from the menu “Show data” to help service.
Note the sensor and contact service.
OVERTEMP One of the temperature sensors in the unit is disconnected or defect.
BOILING
Note the sensor and contact service.
Boiling protection of the hot water Contact service
May be subject to change page 11 af 30
Alarm code
15
Categori
W
16
17
18
19
20
21
I
I
I
I
I
I
Text in display
Description/ cause
ROOM LOW When room temperature drops below 10°C the unit will stop in order to protect the house from further cooling down. The function is useful when the house is not occupied and the main heating has stopped.
SOFTWARE Error in software
How to remedy alarms
Heat up the house and reset the alarm
Contact service
WATCHDOG Error in software Contact service
CONFIG
FILTER
LEGIONEL
POWER
Parts of the programming are lost and can be caused by a longer period of power failure or lightning.
The unit will keep on operating on standard programming.
Reset alarm
Re-programme the week programme.
Contact service if the unit does not operate as before. Supplementary programs can be lost.
Only service can access the supplementary programs and menus.
Clean /replace filter and reset alarm
The filter guard is set to give alarm when a pre-set period of time has occurred
Legionella temperature has not been reached within the time limit
Occurs if power has been cut off for a longer period of time
Contact service
The week programme should be checked and adjusted if necessary.
Reset alarm.
May be subject to change page 12 af 30
Show data
The actual operation data can be read in the
”Show data” menu.
See review of thermometer sensors at page 5.
SHOW
DATA
ENTER
STATUS
HEATING
ANODE
OK
Anode condition
OK, ERROR or SERVICE
May be subject to change
PANEL
T15 20°C
EXTERNAL
T10 20°C
Roomt emperature at T15 (sensor in
CTS 602-panelet)
INLET
T2 25°C
FRESH AIR
T1 20°C
WATER T
T11 50°C
WATER B
T12 40°C
COND
T5 25°C
EVAP
T6 24°C
INLET
FLOW 2
The location of the thermometer sensors are shown on page 5
EXHAUST
FLOW 2
Software version in the control
SOFTWARE
1 2.21
SOFTWARE
2 1.00
Software version in the panel.
TYPE
VP 18c
Figure 8:
The ”Show data” menu
page 13 af 30
May be subject to change page 14 af 30
User select
In the ”User select” menu it is possible to overrule the operation mode in the main menu.
It is possible to e.g. increase the speed of the exhaustion for a limited period of time.
If the ventilation step and/or temperature is being adjusted in the main menu any active user selections are deleted.
If user selections are active due to external switches the function cannot be deleted.
” ” indicates that the menu point flashes and can be set to another value.
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
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
SELECT
”VENTILAT”
ENTER
Possibility to run at a higher or lower rate. High priority.
menu.
SELECT
”EXT OFFS”
ENTER
USER
SELECT
ENTER
SELECT
”EXTEND”
ENTER
SELECT
”EXHAUST”
ENTER
Choose the afterrunning and displacement of the setpunkt, for externak heating.
See SELECT
EXTEND
TIME
00:00
ENTER
TIME
”00:00"
SELECT
”INLET”
ENTER
Required period in which the selected function is to remain operative: stated in hours and minutes.
Max 8 hours.
FLOW
>4<
ENTER
FLOW
”>4<”
SELECT
”EXTEND”
Time and speed must be set in the same way as described under SELECT
EXTEND.
TEMP
23 °C
ENTER
TEMP
”23" °C
SELECT
”OFF”
ENTER
Switches user option off.
Required ventilation step: 1-4.
OFF allows the system to be shut down via an external switch.
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 15 af 30
Setting of clock
In case of power cut the clock will function for at least 24 hours. If the time function is lost there will be a alarm.
Changing to daylight saving time has to be done manually.
” ” indicates that the menu point flashes and can be set to another value.
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
06-05-30
TI 12.10
ENTER
YEAR
06
ENTER
YEAR
”06"
ENTER
ENTER
Is only shown the first time after setting up the time function.
MONTH
05
ENTER
MONTH
”05"
DAY
30
ENTER
DAY
”30"
WEEK
DAY 2
HOUR
12
ENTER
HOUR
”12"
MINUTE
10
ENTER
MINUTE
”10"
ENTER
ENTER
ENTER
Seconds are being reset when minutes are adjusted
Figure 10: Setting of clock
May be subject to change page 16 af 30
Week programme
The unit is equipped with 3 standardized week programmes.
Anlægget er fra fabrikken indstillet til program 1.
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.
” ” indicates that the menu point flashes and can be set to another value.
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
SELECT
”CLEAR”
ENTER
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.
SELECT
”PROG 3"
SELECT
”PROG 2"
ENTER
ENTER
Here it is possible to delete all user made programmes. The unit will continue in AUTO mode without any week programme.
SELECT
”PROG 1"
ENTER
SELECT
PROG 1
WEEK
PROGRAM
ENTER SELECT
OFF
ENTER
SELECT
”OFF”
ENTER
System operation in accordance with main menu settings
ENTER
MO1 06.00
>3 < 21°C
MO2 08.00
>1 < 17°C
MO 3 AUS
>1 < 17°C
ENTER
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.
May be subject to change
MO4-6
MO TU
COPY
ENTER
MO TU
”COPY”
ENTER
TU WE
COPY
TU1 06.00
>3 < 21°C
TU2-6
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 11:
The ”Week program” menu
ENTER page 17 af 30
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
Function Program
Program 1
Week day
Monday -
Friday
1
2
3
4
Program 2
Program 3
Saturday -
Sunday
Monday -
Sunday
Monday -
Friday
1
2
1
2
1
2
Weekly program settings
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
Weekday
Fan speed.
Program step.
6 program steps are available each day.
MO 1 08.00
>1< 17°C
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.
May be subject to change page 18 af 30
Hot water
The ”Hot water” menu shows the data for production of hot water.
” ” indicates that the menu point flashes and can be set to another value.
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
The electrical heating supplement temperature T11 is set between 5 °C to
10 °C lower than the primary heating temperature delivered by the compressor. It is possible to set the
T11 temperature between 5 °C and 85
°C.
HOTWATER
ENTER
EL SUP
T11 30°C
COMP
T12 55°C
ENTER
ENTER
EL SUP
T11
”30°C”
COMP
T12
”55°C”
ENTER
ENTER
The hotwater is primarily heated by the heat pump which delivers the energy to the condensator in the water. If you have a very large demand for hot water the electrical heating element can be engaged in order to reduce time for heating the water.
T12 can be set between
5 °C and 60 °C. it is recommended to set
T12 between 45 °C and
55 °C
COMP MAX
T12 65°C
ENTER
COMP MAX
T12
”65°C”
PRIORITY
WATER
ENTER
PRIORITY
”WATER”
There can be chosen between priority of water or inlet.
For security reasons the compressor stops when the water temperature reaches the chosen temperature in order to avoid overheating.
T12 can be set between 5 °C and 80
°C.
Figure 12: The
”Hotwater” menu
May be subject to change page 19 af 30
Cooling
The menu COOLING can only be accessed in the control panel when the system is a VP 18 Cooling
The ”Cooling” menu enables you to chose at which temperature cooling should be activated according to the room temperature.
” ” indicates that the menu point flashes and can be set to another value.
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
The value can be set to:
OFF, +1, +2, +3,+5,+7,+10.
It is recommended that the value is set to +5.
COOLING
ENTER
TEMP
SET +3
ENTER
TEMP
SET ”3+”
ENTER
VENTILAT
HIGH OFF
Here it is possible to chose high ventilation step when cooling.
The value can be set to:
OFF, 2, 3, 4.
Figure 13:
The ”Cooling” menu
Example: Chosen room temperature in the main menu = 21°C
Cooling point = 5°C
Start compressor cooling operation mode = 26°C
May be subject to change page 20 af 30
Air exchange
In the ”Air exchange” menu it is possible to chose between 3 different types of ventilation depending on your individual demand.
” ” indicates that the menu point flashes and can be set to another value.
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
In COMFORT W mode the inlet fan stops as long as there is a need for heating water. If the unit is in cooling mode the inlet fan will not stop.
AIR EXCH
”COMFORT W”
AIR EXCH
”COMFORT”
ENTER
ENTER
In COMFORT mode the air exchange is balanced. This ensures the rigth level of ventilation chosen by the user.
AIR
EXCHANGE
ENTER
AIR EXCH
ENERGY
ENTER
AIR EXCH
”ENERGY”
ENTER
Start temperature for the curve regulation of the inlet air volume.
The value is preset to
38 °C and can be set between 28 °C and 43
°C.
The compressor starts in heating mode at low outdoor temperature.
The value can be set to OFF or from + 15 °C to
– 15 °C.
CURVE
MIN 38°C
ENTER
CURVE
MIN ”38°C”
ENTER
CURVE
MAX 35°C
COMP MIN
OFF
WINTER
LOW OFF
ENERGY mode secures an energy optimized operation by adjusting the inlet air volume according to the setting of the curve value.
When using curve regulation the inlet air will always be warm. When regulating the inlet airflow down when the heat recovery from the heat pump is not adequate it is possible to keep the inlet air warm. The inlet fan can stop if necessary especially when a large quantity of hot water is needed.
Possibility of low ventilation step at low outdoor temperatures.
The value can be set to OFF,
1, 2, 3.
Figure 14:
The ”Air exchange” menu
May be subject to change page 21 af 30
Air filter
In the ”Air filter” menu it is possible to chose the interval of the filter guard.
The interval is preset to a 90 day interval.
” ” indicates that the menu point flashes and can be set to another value.
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
ALARM
”360 DAYS”
ENTER
ENTER
AIR
FILTER
ENTER
ALARM
90 DAYS
ALARM
”180 DAYS”
ENTER
ALARM
”90 DAYS”
ENTER
ALARM
”30 DAYS”
ENTER
ALARM
”OFF”
ENTER
Figure 15:
The ”Air filter” menu
May be subject to change page 22 af 30
Temp. control
In the ”Temp. control” menu it is possible to set the highest and lowest inlet temperature.
” ” indicates that the menu point flashes and can be set to another value.
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
Lowest inlet temperature in the summer.
TEMP.
CONTROL
ENTER
SUMMER
”MIN 14°C”
ENTER
WINTER
”MIN 16°C”
ENTER
Lowest inlet temperature in the winter.
SUMMER
”12°C”
ENTER
Lowest out-door temperature in order for the unit to operate according to summer temperatures.
Figure 16:
The ”Temp. control” menu
At outdoor temperatures lower than set value (measured at T1) cooling via compressor is blocked.
May be subject to change page 23 af 30
Setting of language
In this menu you set which language to be used in the CTS 602 panel.
” ” indicates that the menu point flashes and can be set to another value.
Use of the CTS602 panel:
- press ESC to go one step back in the menu
- press qp
to move up or down in a menu or to adjust an activated menu
- press ENTERto activate a menu
- press ENTERto confirm a menu
- press OFF to turn off the unit
- press ON to turn the unit on
LANGUAGE
”CZECH”
ENTER
LANGUAGE
”SUOMI”
ENTER
LANGUAGE
”NORWEG.”
ENTER
LANGUAGE
DANISH
ENTER
LANGUAGE
”DANISH”
ENTER
LANGUAGE
”SWEDISH”
ENTER
LANGUAGE
”FRENCH”
ENTER
LANGUAGE
”GERMAN”
ENTER
LANGUAGE
”ENGLISH”
ENTER
Figure 17:
The ”Language” menu
May be subject to change page 24 af 30
Faultfinding
If there should be any operating errors please inspect the following before contacting your service mechanic:
Check if the alarm diode on the CTS 602 panel is flashing. If this is the case please read the alarm in the “Show alarms” menu and correct the fault. If necessary please contact your local service mechanic. Alarm codes and directions for correcting alarms can be found in the CTS 602 directions.
-
VP18 is functioning but with reduced output.
Please inspect if the unit is supplied with enough air. Check the filters and control that the air valves are sufficiently opened. In 98% of the cases the fault derives from obstructed filters. The ventilators can be set on a higher speed if necessary. Any draught controls to the outside should be closed at outside temperatures below 6°C.
-
VP18 is functioning but there is no hot water.
Please check if the hot water tank is emptied. If the unit is supplied with hot-water circulation and the pipes are not insulated there can be a significant heat-loss which can cause a reduced output of the VP18.
Is the water temperature adjusted correctly in the CTS 602 control? (T12). The temperature should normally bet set to 45
–55°C. How to adjust the temperature please see the CTS 602 directions (delivered together with the VP18).
Is the air supply too cold or is the air flow too little? Please check the filters and valves and if the insulation of the ducts is sufficient and dense.
- VP18 is not functioning.
Please inspect the fuse. Check if the safety thermostat for hot water has disengaged the electricity. If this is the case please press the button and the thermostat will connect when the water temperature has dropped 10
–15°C. if the thermostat disengages the electricity several times please contact your service mechanic.
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Maintenance
At least every 3 months:
- The filters should be cleaned and renewed when needed. Usually the filters need to be renewed once a year.
The filter guard in the CTS 602 control can be used in order to make sure that the filters are checked. Please see CTS 602 directions for further information. (delivered together with the
VP18).
Changing filters : 1. loosen the screws
2. remove the filter door
3. pull the filter frames out to remove/clean the filters.
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Once a year:
- The sacrificial anode must be checked to ensure that monitoring of the anode is intact.
(No.24) o
The wire marked with “yellow/green” is dismantled at the anode. This produces the
“ALARM 70” (LED flashing) o
The wire marked with “yellow/green” is reassembled at the anode. “ALARM 70”
(LED not flashing)
The hot-water tank can corrode if the anode is left unchanged.
- The intake should be inspected and any uncleanness should be removed.
- The evaporator should be inspected and cleaned.
- It should be checked that the condensate has free passage through the water seal and the condensation drain.
- The safety switch for the hot water tank should be controlled.
- It is recommended to take out a subscription for service.
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Replace the fan
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Energy saving
-
Use the setting ”Energy” in the ”Air exchange” menu in the CTS 602 control. Please see
CTS 602 directions for further information. (delivered together with the VP18).
- Keep the hot-water at a low temperature. Try with 45°C.
- The auxiliary heating element should be cut off and only be used at very large hot-water demands. Please see CTS 602 directions
- The ventilation speed should not be set higher than necessary.
- Avoid hot-water circulation.
- Spread out the bathing times as the VP18 Combi needs 6-7 hours to heat the 180L water.
- Insulate the ducting as prescribed.
- Do not cool during winter time.
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Accessories
Filters
Type
Filter (1pair = 2pcs.)
Pollen filter F7 to insert in VP18 M2 unit
Accessories/spare parts
Type
Hygrostat
CTS 602, control PCB
CTS 602, control panel complete
CTS 602, white control panel enclosure
Heating cable for condense outlet (frost protection)
Sacrificial anode 5/4
” MG ø33x450mm
Qty.
1
1
Nilan itemnr.
39543
39542
Qty.
1
1
1
1
1
Nilan itemnr.
3637
229933
2398
2398HX
2172
19203
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