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TABLE OF CONTENTS

Safety

Power supply 

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3

Disposal

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3

Ventilation system 

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3

Heatpump 

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3

Quick guide

Control panel

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4

Functions 

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4

Operating mode 

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5

Menu list

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6

Main menu 

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7

View alarms 

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8

Alarm list 

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9

Show data 

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11

User select

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12

User select 2

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13

Setting clock 

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14

Weekly programme 

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15

Week program 

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16

Heating surface 

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17

Bypass operation 

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19

Cooling 

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19

Humidity 

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20

CO 2 

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21

Air exchange 

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22

Air filter 

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23

Temp. control 

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24

Setting language 

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25

General details

Unit type

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26

Product description 

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26

Overview of temperature sensors 

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27

Service and maintenance

Bypass function 

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28

Humidity control 

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28

Regular maintenance 

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29

External cleaning 

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29

Water trap 

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29

Filter replacement 

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29

Illustration of filter change 

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30

Heat exchanger 

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31

Service

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32

Annual service 

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32

Internal cleaning 

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32

Check the air intake and outlet 

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32

Check ventilation ducts 

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32

The heat pump 

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32

Product data

Declaration of compliance 

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33

2

Summary of Contents for Compact S CTS 602

Page 1: ...USER MANUAL CTS602 BY NILAN Combi 302 Polar Top English Version 2 21 30 05 2018 ...

Page 2: ... Humidity 20 CO 2 21 Air exchange 22 Air filter 23 Temp control 24 Setting language 25 General details Unit type 26 Product description 26 Overview of temperature sensors 27 Service and maintenance Bypass function 28 Humidity control 28 Regular maintenance 29 External cleaning 29 Water trap 29 Filter replacement 29 Illustration of filter change 30 Heat exchanger 31 Service 32 Annual service 32 Int...

Page 3: ...opening the doors e g for installation inspection cleaning and filter change Disposal Ventilation system Nilan units mainly consist of recyclable materials They should therefore not be disposed of with household refuse Take them to your local recycling centre Heatpump Concerning disposal of units with heat pumps it is important to contact the local authorities for information about correct handlin...

Page 4: ...go to the main menu 4 To change the value 5 To change the value 6 ENTER To activate and save the chosen value 7 OFF To switch off the unit 8 ON To switch on the unit If no button is pressed for a period of a minute the control system will automatically return to the main menu If you are programming when the control system returns to the main menu all data will be saved but only if you previously h...

Page 5: ...ll flash and the temperature can be now be changed using The desired temperature must be confirmed by pressing ENTER The operating mode can be changed by double pressing ENTER The current mode will flash and can now be changed using and confirmed with ENTER In Auto mode the bypass damper opens and closes automatically depending on temperature settings Cooling indicates that the bypass damper will ...

Page 6: ...be set Switch between summer and winter time manually Week program can be activated ON OFF If the week program is active 1 2 or 3 are shown in the main menu If the unit is selected with a heater you can choose between supply min max and curve compensation Setting intake temperature for cooling via bypass damper Higher and or lower fan speeds can be set in the event of high low humidity Higher vent...

Page 7: ... or heating mode in relation to the room temperature set 2 COOL 2 19 C No heating from e g comfort heater 3 HEAT 2 19 C No cooling i e no bypass open 4 AUTO 2 19 C Shows the ventilation level given that can be changed The main menu will be displayed automatically approx 15 seconds after power has been connected Menu points flashing are shown by Combi 302 Polar Top English BY NILAN 7 ...

Page 8: ...s only When the display shows Alarm 0 None all alarms have been reset 2 ALARM 19 FILTER Shows from 0 3 active alarms The newest and most critical alarms are shown first The list will be deleted in the event of power outage 3 ALARM LOG Restored after power outage Shows the 16 most recent alarms AL 1 is the newest 4 T3 0 00 T4 0 00 Alarm log data shows data from the time of the alarm When the unit i...

Page 9: ...alarm occurs often please contact service 6 C DEFROST 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 Contact service if reset does not help Note the actual sensor temperatures from the menu Show data to help service 8 C T x SHORT One of the temperature sensors in the unit is short...

Page 10: ...Clean replace filter Reset alarm 21 I SET TIME Occurs in the event of power outage Week timer settings must be checked and set if required Reset alarm 22 I T AIR Target heating of intake air not possible only applies if comfort heater fitted Comfort heater and unit cannot raise the temperature to target Set lower target intake temperature Reset alarm 71 I EXCH DEF Max defrosting time exceeded for ...

Page 11: ...5 sensor in CTS602 panel 3 EKSTERNAL T10 21 C T10 is an external sensor that can be fitted in an extraction fitting in the accommodation zone T10 can be selected as the governing room sensor in the service menu See installation instructions 4 CO 2 566ppm In units with CO 2 sensor CO 2 concentration is shown 5 SOFTWARE 1 2 33 Software version installed on the unit 6 SOFTWARE 2 1 04 Software version...

Page 12: ...be shut down via an external switch 3 TEMP 23 C Required room temperature 5 30 C T15 is the controlling sensor 4 SELECT INLET EXHAUST Time and speed must be set in the same way as described under SELECT EXTEND 5 SELECT EKS OFFS The temperature is added or subtracted to from the set point Choose the afterrunning and displacement of the set point for external room heating Selected in the same way as...

Page 13: ...TEMP 23 C Required room temperature 5 30 C Panel sensor T15 is the controlling sensor 4 SELECT INLET EXHAUST Time and speed must be set in the same way as described under SELECT EXTEND 5 SELECT EXT OFFS The temperature is added or subtracted to from the set point Choose the afterrunning and displacement of the set point for external room heating Selected in the same way as shown under SELECT EXTEN...

Page 14: ...ENTER 16 05 06 FR 12 10 1 WEEK DAY 2 Shown first time only after setting up timer function Monday 1 2 MINUTE 10 Seconds are reset when the minute value is adjusted In the event of power outage the clock will work for at least 24 hours If the time function is lost an alarm will show SET TIME Switch between summer and winter time manually Menu points flashing are shown by 14 ...

Page 15: ...f the standard programmes but with small changes Flashing menu items are designated with Default setting for the 3 weekly programmes Programme 1 is for working families Programme 2 is for stay at home families Programme 3 is for businesses Programme Day of week Function Time Fan speed Temperature C Programme 1 Monday Friday 1 2 3 4 6 00 8 00 15 00 22 00 3 1 3 1 21 21 21 21 Saturday Sunday 1 2 8 00...

Page 16: ...rams can be selected here A week program can be selected as active and customised to the user s requirements 3 SELECT CLEAR All functions in the program selected are set to OFF here The unit will continue in AUTO mode with active week program 4 MO 1 08 00 1 17 C A custom week program can be composed here or the values of another program revised If several functions are coded in at the same time on...

Page 17: ...there is no room heating requirement When there is a room heating requirement the curve temperature is used as in setting HEAT 2 INLET MIN 20 C Minimum limit for supply air temperature Channel heater between 5 and 50 C 3 INLET MAX 40 C Maximum limit for supply air temperature Channel heater between 5 and 50 C 4 CURVE 10 The weather compensation curve can be set between 1 and 10 see illustration 5 ...

Page 18: ...er compensation curve 0 10 20 30 40 50 60 70 80 90 100 20 17 14 11 8 5 2 1 4 7 10 13 16 19 Outdoor temperature C K1 K2 K3 K4 K5 K6 K7 K8 K9 K10 Supply air temperature C The desired heating temperature is set to an outdoor temperature of 20 C and 20 C On the basis of these temperatures the central heating temperature is determined by interpolating between the points for a given outside temperature ...

Page 19: ...y Cooling 2 TEMP SET 5 C TEMP SET 5 C VENTILAT HIGH OFF ENTER ENTER VENTILAT HIGH OFF ENTER COOLING 1 1 TEMP SET 5 C Indicates when refrigeration via compressor operation must be activated in relation to the set room temperature The value can be set to 1 2 3 4 7 10 C and OFF 1 VENTILAT HIGH OFF Here it is possible to chose high ventilation step when cooling The value can be set to 2 3 4 and OFF In...

Page 20: ...g at higher and or lower fan speeds in case of high low air humidity Low fan speeds are only activated in winter operation and at air humidity levels below 30 High speeds are activated by a change from 10 to 5 compared to an average relative air humidity of 40 to 80 over the last 24 hours When the current air humidity decreases to the average relative air humidity 3 high speed operation will end I...

Page 21: ... at high fan speed begins 400 2500 ppm 3 NORMAL 600 ppm Limit for minimum CO 2 concentration before operation at normal fan speed begins 400 2500 ppm This menu is only available if CO 2 sensors have been mounted on the unit CO 2 sensors are optional equipment NOT supplied together with the Comfort range The CO 2 menu contains an option for selecting whether the unit will automatically run at the h...

Page 22: ... heating mode at low outdoor temperature The value can be set to OFF or from 15 C til 15 C 1 WINTER LOW 3 Possibility of low ventilation step at low outdoor temperatures The value can be set to OFF 1 2 3 1 WINTER 0 C Measured outdoor temperature after which it is run with low ventilation The AIR CHANGE menu allows selection of low ventilation level in the event of low outdoor temperatures 22 ...

Page 23: ... for filter change cleaning Supplied with 2 x sheet filters for intake and extract respectively These must be inspected minimum 3 times a year and replaced as required Filters are replaced by removing the front plate and then the filters Switch off the unit before removal Pollen filter is available as an optional extra for fiting in the intake duct Default setting filter alarm triggers at 90 day i...

Page 24: ...ER MAX 24 C Only shown on the panel if a comfort heater is fitted Highest intake temperature in the summer 4 WINTER MAX 14 C Only shown on the panel if a comfort heater is fitted Highest intake temperature in the winter 5 SUMMER 12 C Minimum outdoor temperature for the unit to run according to summer mode temperatures If the outdoor temperature is less than 12 C winter mode will be used After each...

Page 25: ...GUE DANISH LANGUE FRENCH ENTER ENTER LANGUE GERMAN LANGUE ENGLISH ENTER LANGUE NORWEG LANGUE SUOMI ENTER ENTER LANGUE CZECH LANGUE POLISH The LANGUAGE menu allows selection of language for the control panel Menu points flashing are shown by Combi 302 Polar Top English BY NILAN 25 ...

Page 26: ... room bedrooms and office The cold outdoor air is heated up in the heat exchanger by the warm exhaust air Combi 302 Polar Top is supplied as standard with a filter sheet in the outdoor air and extract air ducts If it is wished to filter the outdoor air for pollen an pollen filter can be purchased as an accessory and mounted subsequent 1 Duct connections 2 Electrical connections 3 Extract air filte...

Page 27: ...ature sensors outside the unit T1 Outdoor air T7 Supply air after heating element accessory T2 Supply air inlet T9 På On heating element accessory T4 Extract air after heat exchanger T5 Condenser T6 Evaporator T10 Extract air outlet Combi 302 Polar Top English BY NILAN 27 ...

Page 28: ...ich automatically adjusts to the needs of the family or building By means of the integral humidity sensor the control system calculates the average value for the past 24 hours The average value is consulted when deciding whether to change the air change rate in the event of a fluctuation in the air humidity in the extract air and at the same time it adjusts to the air humidity levels in summer and...

Page 29: ...c airflow so it is important not to rotate them as this will change the setting and unbalance the ventilation system Water trap The water trap may dry out and thus prevent water escaping from the condensate tray as air will blow into the unit Condensate will accumulate in the condensate tray and at some point the water will overflow possibly causing damage to the surface below the unit The water t...

Page 30: ...the unit 4 We recommend vacuuming the filter chambers to remove any dirt 5 Remove the filter mat from the frame 6 Place the new filter mat with the smooth side facing downwards in the frame 7 Secure the mat in the frame and push well into the sides Replace filter in unit with the filter mat upwards 8 Open the SHOW ALARMS menu on the control panel and reset the alarm there 30 ...

Page 31: ...e lower front door 2 with a screwdriver and lift the door out Release the 13 screws in the cover plate 3 with a screwdriver and lift the door out Pull the sensor 4 out of the heat exchanger Carefully pull the heat exchanger 5 out of the unit Place the heat exchanger in a shower compartment and spray it with hot water If necessary wipe down the inside of the unit with a damp cloth Allow the heat ex...

Page 32: ...oof stacks have been fitted to the air intake and outlet check that they are not blocked with birds nests leaves or other dirt which can hamper air passage If instead of roof stacks grilles have been mounted in facades or eaves check that they are not clogged with leaves or dirt Grilles are particularly likely to become clogged Check ventilation ducts It is important for operation of the unit that...

Page 33: ...Product data Declaration of compliance Combi 302 Polar Top English BY NILAN 33 ...

Page 34: ...34 ...

Page 35: ...Combi 302 Polar Top English BY NILAN 35 ...

Page 36: ... 9798361 maurice nilan ie www nilanireland ie Document no B21_Combi_302 Polar Top_GB Nilan A S disclaims all liability for any errors and omissions in printed instructions and for loss damage or injury arising from the published material whether this is due to errors or inappropriate information in the material or other causes Nilan A S reserves the right to make changes to products and instructio...

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