Zehnder Rittling ComfoAir Q 350 Manual Download

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Cooling

Fresh Air

Clean Air

Heating

Ventilation system Zehnder ComfoAir Q
Manual for the service engineer

ComfoAir Q TR

ComfoAir Q ST

Summary of Contents for ComfoAir Q 350

Page 1: ...Cooling Fresh Air Clean Air Heating Ventilation system Zehnder ComfoAir Q Manual for the service engineer ComfoAir Q TR ComfoAir Q ST ...

Page 2: ...king Installation procedures Available operating devices Available ancillaries Information found on the identification plate Suffix Meaning ComfoAir Product family name Q Product type name 350 Maximum air volume of 350 m3 h 450 Maximum air volume of 450 m3 h 600 Maximum air volume of 600 m3 h SI Country code of the unit R The unit has been set with the supply and extract air on the right side as d...

Page 3: ...o navigate through the unit menu 19 4 5 Access the installer settings 19 4 6 Menu structure 20 4 7 COMMISSIONING menu 22 4 8 MAIN BOARD SETTINGS menu 24 4 8 1 VENTILATION PRESETS menu 24 4 8 2 VENTILATION CONTROLS menu 24 4 8 3 FILTER SETTINGS menu 24 4 8 4 ALTITUDE menu 24 4 8 5 FIRE PLACE PRESENT menu 24 4 8 6 UNBALANCE menu 25 4 8 7 HEAT EXCHANGER TYPE menu 25 4 8 8 DIRECT FAN CONTROL menu 25 4...

Page 4: ...s 32 6 2 How to remove ancillaries 32 6 3 Malfunction alerts on the display of the unit1 33 6 3 How to gain access to the ComfoNet connectors on the unit 34 6 4 How to gain access to the main board 34 6 5 How to gain access to the main power fuse of the unit 34 6 6 How to gain access to the top section sensor 35 6 7 How to gain access to the mid section sensor 35 6 8 How to remove the modulating b...

Page 5: ...given in this document A modification can cause personal injury or damage the performance of the ventilation system Always disconnect all poles of the power supply of the unit and optional connected ComfoSplitter before you start working on the ventilation system The unit can cause personal injury when it is open while running Make sure the unit cannot switch back on by accident Often power is nee...

Page 6: ...ection size Ø Inside 160mm Outside 190mm Inside 160mm Outside 190mm Inside 180mm Outside 200mm Condensation drain size Ø Tube version 32mm Thread version 1 ComfoNet data Maximal power 400mA 12V Maximal non powered devices 4 Cable type 2x unshielded twisted pair stiff solid wires 0 6mm2 max 50m Color code 12V red GND black CAN_H yellow CAN_L white Material specifications Housing Coated Sheet Steel ...

Page 7: ...w casing dB A 1 150 25 16 0 41 0 37 46 34 33 2 200 50 31 0 45 0 57 51 38 37 3 245 50 43 0 47 0 64 54 40 40 4 250 100 59 0 49 0 85 56 42 42 5 300 100 77 0 50 0 92 59 45 45 6 350 100 98 0 51 1 00 63 48 47 7 250 150 74 0 50 1 06 59 44 44 8 250 200 88 0 51 1 27 61 46 46 9 300 200 108 0 52 1 30 63 48 48 10 350 200 131 0 53 1 35 66 50 50 Lw in dB A reference 10ˉ W Casing radiation measured according to ...

Page 8: ...50 37 0 46 0 54 54 43 42 3 300 50 53 0 48 0 64 57 45 44 4 315 50 59 0 49 0 67 57 46 45 5 350 100 89 0 52 0 92 61 48 48 6 400 100 113 0 54 1 01 63 50 50 7 450 100 140 0 55 1 12 66 52 53 8 350 150 106 0 53 1 09 62 49 49 9 350 200 122 0 54 1 26 63 50 50 10 400 200 148 0 55 1 33 65 52 52 11 450 200 177 0 57 1 42 68 54 54 Lw in dB A reference 10ˉ W Casing radiation measured according to ISO 3741 2010 S...

Page 9: ... 420 50 107 0 56 0 92 63 51 51 6 450 100 143 0 57 1 15 65 53 53 7 500 100 176 0 59 1 27 68 55 55 8 600 100 254 0 61 1 53 73 59 60 9 450 150 162 0 58 1 29 66 53 54 10 450 200 180 0 59 1 44 67 54 55 11 500 200 215 0 60 1 55 70 56 57 12 600 200 296 0 61 1 77 75 60 61 Lw in dB A reference 10ˉ W Casing radiation measured according to ISO 3741 2010 Supply noise and extract noise measured according ISO 5...

Page 10: ...filters for air filtering D Display to operate the unit E Cable tray cover for cover and protection of the connected cables F Front cover for an air tight seal G ComfoNet RJ45 connection H Mains power connection and identification plate detailing information on the unit not visible I 2 ComfoNet plug in connections J Main board behind the display cover L Pre heater for frost protection optional sta...

Page 11: ...e supplier for the article codes and prices of all available sets 17 3 4 5 2 13 12 11 14 15 16 18 10 6 8 7 9 Position Part 2 Top section sensor 3 Main board 4 Filter set G4 F7 1x 1x 5 Mid section sensor 6 Fan pressure hoses 7 Drain set 8 Heat exchanger Enthalpy exchanger 9 Fan 10 Modulating bypass actuator 11 Pre heater 12 Filter cap set 2x 13 Display 14 Front cover 15 Power cord 16 Mounting brack...

Page 12: ...g bypass actuator Modulating bypass actuator RD Red M1 Exhaust motor Supply motor GN Green M2 Supply motor Exhaust motor YE Yellow S1 Sensor outdoor air Sensor extract air GY Grey S2 Exhaust air pressure sensor Supply air pressure sensor VT Violet S3 Sensor supply air Sensor exhaust air 17 18 ComfoNet plug in S11 Sensor extract air Sensor outdoor air 19 ComfoNet RJ45 S22 Supply air pressure sensor...

Page 13: ... from frost and water damage Open the semi transparent visor The unit will automatically start up the commissioning wizard Follow the instructions on the display 4 Example ancillaries 5 6 Example report Commission all connected ancillaries as instructed in their manual The commission procedure for the RF ancillaries is different from the older Zehnder units Please help the user by also setting the...

Page 14: ...the unit When the unit has a standard heat exchanger a dry siphon must always be present 4 Left 5 6 Example flow meter When the orientation of the unit is LEFT the location of the filters should be Left side Right side Make sure the arrow on the filters are pointing upwards When opening all valves also open all grilles and close all windows and doors Use a flow meter to set the valves and or grill...

Page 15: ...e are no large metal objects between them b Only one master may be placed in an RF system c The CO2 RF main control acts as master and must be placed in a central location in the dwelling d A CO2 RF upgrade sensor cannot be registered until a master has been registered e An RF Repeater can only be registered using an RFZ or Timer RF Refer to the relevant manuals for the exact procedure 2 Check whe...

Page 16: ...he button 10 min button Timer OFF together for at least 6 sec 5B 8 sec 6 CHANGED SAME 4 CO2 RF main control 1 Press the button for at least 8 sec 2 Set the RF SENSOR PRIORITY menu settings advice AUTO ONLY 3 Set the RF SENSOR FUNCTION menu settings advice FLOW_PROPORTIONAL See the user manual for more details about the settings CO2 RF upgrade sensor Press the button for at least 8 sec using a poin...

Page 17: ...ent visor Press any key on the display 4 2 Overview of the unit display AUTO SHIFT MENU Tu 14 02 A B C E D Position Part A Status indicator LED light On The unit is operating correctly Off The unit has no power or the display is in use Slowly flashing every second Warning Change filters or SERVICE MODE active Rapidly flashing four times a second Error B Universal button The function depends on the...

Page 18: ...n requested the extra airflow segment is blinking Only available in advanced mode O Current airflow volume in m3 h or l s P Current supply fan mode no icon fan is not in operation fan is in operation Q Current outdoor air temperature in C or F Only visible when the supply fan is active R Current supply air temperature C or F Only visible when the supply fan is active S Current extract fan mode no ...

Page 19: ... with all your operating options 1 Select BACK until you reach the main screen 2 Close the semi transparent visor 4 5 Access the installer settings The installer settings menu is password protected to prevent user from altering system critical settings by accident The symbol is displayed in the left top corner of the display when the installer password is active Do not forget to log out as an inst...

Page 20: ...FILTER SETTINGS LOG OUT ALTITUDE 0 10V INPUT 13 FACTORY DEFAULTS RESET FIRE PLACE PRESENT 0 10V INPUT 23 RESET ERRORS UNBALANCE HEAT EXCHANGER TYPE 0 10V INPUT 33 RESET ANALYSIS DIRECT FAN CONTROL 0 10V INPUT 43 PERIPHERALS ERRORS SERVICE MODE 0 10V FUNCTION3 0 10V PRIORITY3 MAIN BOARD SETTINGS 3 This menu is only visible when the accessory is connected to the unit ...

Page 21: ...R FROST PREHEATER3 SEASON DETECTION2 BYPASS RF SETTINGS2 8 COMFOCOOL3 ANALOG INPUT3 SUBSOIL HEAT EXCH 3 COMFOCOOL3 SEASON DETECTION FANS ENERGY INSTALLER DEFAULT2 TASK MENU 1 This menu is only visible when errors occur 2 This menu is only visible when the advanced mode is active 3 This menu is only visible when the accessory is connected to the unit 4 This menu is only visible when an automated co...

Page 22: ...t air connections are to the right side of the unit CONNECTION OF THE CONDENSATION DRAIN Select the location of the installed dry siphon The unit will then check if this is correct The option of no condensation drain is only possible when the unit has an enthalpy exchanger installed FILTERS When the orientation of the unit is changed the unit will ask you to check if the filter positions are corre...

Page 23: ...his setting in the medium airflow test COMMISSIONING AIR FLOW Select the desired airflow in which you would like to commission the valves and or grilles FINE TUNE ALL EXTRACT AND SUPPLY VALVES Use a flow meter to set the valves and or grilles into the correct position Start with the valve or grille farthest from the unit and work back along the air duct to the unit ARE ALL VALVES FINE TUNED The un...

Page 24: ...t of air passing through the filters determines how quickly the filters should be replaced The filters must be replaced at least every 180 days If the unit is running at a high airflow rate then nominal the unit will automatically shorten this time In addition it is also possible to display this notification earlier by increasing the number of filter order days in the FILTER WARNING menu You can c...

Page 25: ...settings by navigating to this menu 4 11 Reset options The unit is equipped with several reset options The following reset options are accessible to the user Menu item Function RESET ERROR Reset all active error messages When the error causing the message is not resolved the error message will come back again over time RESET EXCL SCHEDULE You can find this menu under RESET ALL TASKS When this menu...

Page 26: ...ntenance action which the user should not perform In the user manual you will find all maintenance actions which the user may perform You can find the maintenance procedures of the ancillaries connected to the unit in their relevant manuals You can get a copy of a Zehnder manual from Zehnder If it is necessary to replace a part you can order a service part from Zehnder In the chapter about the ser...

Page 27: ...the chapter procedure for opening the unit Open the semi transparent visor Change the unit to SERVICE MODE Disconnect the power to the unit Remove the 3 screws of the front cover Remove the front cover Remove the heat exchanger Pull the strap of the heat exchanger Do not cut the strap The strap is necessary to pull out the heat exchanger from the unit You can only remove the heat exchanger without...

Page 28: ...he next steps 1 1 2 2 3 Remove the modulating bypass valve as instructed in the chapter How to remove the modulating bypass valve Open the semi transparent visor Change the unit to SERVICE MODE Disconnect the power to the unit Remove the 3 screws of the front cover Remove the front cover Pull the strap of the heat exchanger Pull the clamp located at the back of the valve away from the valve While ...

Page 29: ...pre heater Inspect the pre heater at least once every 4 years 1 2 3 Remove the front cover as instructed the chapter procedure for opening the unit Open the semi transparent visor Change the unit to SERVICE MODE Disconnect the power to the unit Remove the 3 screws of the front cover Remove the front cover Pull the cable tray cover forwards Remove any connected wire from the ComfoConnect connectors...

Page 30: ...ucts Inspect the air ducts at least once every 4 years 1 Example valve Example grille 2 Example air duct 3 Remove the valves and or grilles Zehnder recommends noting down the setting and location before removal Perform the next checks on the air ducts Pollution dirt and grease Air leakage loose joints Resistance bends dents and blocked valves Valves and or grilles Resolve any observed problems Wit...

Page 31: ...maintenance log in the user manual During installation Set the unit to SERVICE MODE to ensure the modulating bypass valves are not blocking the installation of the heat exchanger Tighten all screws manually max 1 5 Nm Place all cables in their guiding channels Place the bottom edge of the front behind the raised edge of the bottom plate This will guarantee an air tight seal after the screws are ti...

Page 32: ...static charges The device will always try to ensure a comfortable and healthy environment by ventilating In case of a malfunction this is not always possible The device will adjust its controls during a malfunction to prevent any further damage to the device with preferably conservation of ventilation In order to ensure a healthy and comfortable living environment for the user errors must be resol...

Page 33: ...he ComfoFond L Q temperature sensor and the unit INIT ERROR 1033 The unit has not been commissioned OPTION_BOX CONNECT ERROR 1067 There is no communication between the option box and the unit PREHEAT ERROR 1037 1038 1059 1081 The preheater has a malfunction PREHEAT_LOCATION ERROR 1035 The preheater is not in the correct location PREHEAT_PRES ERROR 1068 There is no communication between the preheat...

Page 34: ...the semi transparent visor Remove the 3 front cover screws Remove the front cover 4 5 6 Pull the cable tray cover forwards Remove any connected wire from the ComfoConnect connectors Zehnder recommends noting down the used colour code of the wires before removal Remove the 2 display cover screws Open the display cover 6 5 How to gain access to the main power fuse of the unit 1 2 3 Disconnect the po...

Page 35: ...r 1 1 2 2 3 Remove the modulating bypass valve as instructed in the chapter How to remove the modulating bypass valve Open the semi transparent visor Change the unit to SERVICE MODE Disconnect the power to the unit Remove the 3 screws of the front cover Remove the front cover Pull the strap of the heat exchanger Pull the clamp located at the back of the valve away from the valve While holding the ...

Page 36: ...he 3 front cover screws Remove the front cover Pull the cable tray cover forwards Remove any connected wire from the ComfoConnect connectors Remove the 2 display cover screws Open the display cover Pull the pre heater communication and power cable form the main board Pull the pre heater including its cable and grommet from the unit 4 180º 5 6 Rotate the pre heater 180 Slide the pre heater includin...

Page 37: ... Is something wrong with the ComfoCool Q600 option box cable Yes 1 Replace the cable 2 Follow the procedure for ending the maintenance No 1 Get a new ComfoCool Q600 option box 2 Replace the ComfoCool Q600 option box 3 Follow the procedure for ending the maintenance 4 Go to the next question 5 Is the error still present Yes 1 Get the main board service set 2 Replace the main board as instructed in ...

Page 38: ...o be replaced Action 1 Order new filters 2 Replace the filters as instructed in the user manual Malfunction code EXT_PRESSURE_EHA ERROR EXT_PRESSURE_SUP ERROR The system resistance in the extract exhaust outdoor supply airflow is too high When orientation is RIGHT pressure sensor EHA is on the left side When orientation is LEFT pressure sensor EHA is on the right side Question Answer Action 1 Is t...

Page 39: ...ance 4 Reset the errors as instructed in the chapter How to reset errors 5 Go to the next question No 1 Get the main board service set 2 Replace the main board as instructed in its supplied manual 3 Follow the procedure for ending the maintenance 5 Did the error come back Yes 1 Get the main board service set 2 Replace the main board as instructed in its supplied manual 3 Follow the procedure for e...

Page 40: ... in its supplied manual 3 Connect the power to the unit Be aware of the danger for electrical shocks and rotating parts 4 Reset the errors as instructed in the chapter How to reset errors 5 Follow the procedure for ending the maintenance No Follow the procedure for ending the maintenance Malfunction code PREHEAT_LOCATION ERROR The pre heater is not in the correct location When orientation is RIGHT...

Page 41: ... Access the main board as instructed in the chapter How to gain access to the main board 2 Disconnect all sensor connectors from the main board 3 Connect the power to the unit Be aware of the danger for electrical shocks and rotating parts 4 Reset the errors as instructed in the chapter How to reset errors 5 Reconnect one sensor 6 Wait 2 minutes 7 Repeat step 5 and 6 until the unit has an error 8 ...

Page 42: ...nge in the unit 2 When the temperature inside the unit is within the allowed temperature range Inspect the heat exchanger as instructed in the chapter Maintenance of the heat exchanger 3 Reset the errors as instructed in the chapter How to reset errors 4 Go to the next question No Inspect the heat exchanger as instructed in the chapter Maintenance of the heat exchanger 1 Reset the errors as instru...

Page 43: ...ANCE ERROR The airflow balance or unbalance setting cannot be guaranteed This error will reset automatically when the problem is solved Question Action 1 Is there an error message on the unit display Yes 1 Solve the errors as instructed in their relevant troubleshooting table 2 If the error is still present go to the next question No Go to the next question 2 Is there an external unit present whic...

Page 44: ...to reset errors Problem The supply temperature is high in the summer Question Answer Action 1 Is the modulating bypass function set to DISABLE 9 Yes Set the modulating bypass function to AUTO or OPEN 9 No Go to the next question 2 Is the unit in heating season 10 Yes Set the limit RMOT average outside temperature over 5 days heat to the correct value 10 No Decrease the temperature profile 11 Probl...

Page 45: ...aintenance of the condensation drain No Reconnect the condensation drain Problem The ancillary is not working Question Answer Action 1 Does the ancillary have a battery Yes Check the battery and replace it when necessary as instructed in its supplied manual No Go to the next question 2 Is the ancillary commissioned to the unit Yes Go to the next question No Commission the ancillary as instructed i...

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Page 48: ...land GmbH Sales International Almweg 34 77933 Lahr Germany T 49 78 21 586 392 F 49 78 21 586 406 sales international zehndergroup com www international zehnder systems com ZGNL_Manual_10001004869 V0118 EN Subject to change ...

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