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hoxter HOS A Manual

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  • Page 2: Table Of Contents

    · Before you start using the device we would like to invite you to read this manual and follow the instruction inside. · The prerequisite for the proper functioning of HOS is the correct installation and proper functionality of all its subcomponents. 2. Package content HOS A HOS A HOS AW HOS AWU...

  • Page 3: Description Of The Device

    3. Description of the device Electronic combustion control HOS is a device containing some of the following modules or their combination: · Module A – electronic combustion control - chapters related with this module are marked A · Module W – primary water cycle control - chapters related with this module are marked W ·...
  • Page 4 Fig. 2 / HOS connection – Module AW 3.3 Description of the function of underpressure watcher – Module U Module U allows, based on the difference between underpressure values in the flue gas path and pressure in the room, short-term disconnecting of the ventilation systems (kitchen hood, recuperation or other ventilation equipment in the house) from operation.

  • Page 5: Components Description

    · Sensor with connecting cable (length 4 m) · Cable heat resistance: 180 °C · Magnetic counterpart · Metal holder (only compatible with Hoxter products) · M4 x 6 screws to attach the door sensor holder and the magnetic counterpart 4.5 Air inlet flap ·...
  • Page 6 4.8 Sump for heat sensor PT1000 · Heat resistance: 450 °C · Fitting G 1/2“ (M20 x 1,5) · Sump length including fitting: 60 mm · Sump diameter: 8 mm 4.9 Socket switch for circulation pump · Heat resistance: 50 °C ·...

  • Page 7: Installation

    5. Installation The prerequisite for the proper functioning of HOS is the correct installation and proper functionality of all its subcomponents. 5.1 Installation of contactless door sensor If the door sensor was not already mounted on the product, follow these instructions: 1.
  • Page 8 A W U Place the high temperature sensor in the specified input in the product and tighten it (in the case of Hoxter products). If the appliance does not have such an input or it is not possible to install the high temperature sensor in it, put it in the flue gas path.
  • Page 9 4. Mount the heat sensor PT1000 marked red in the top of the accumulation tank. Put the sensor at least 60 mm deep. 5. Mount the heat sensor PT1000 marked white in the bottom of the accumulation tank. Put the sensor at least 60 mm deep. Fig.
  • Page 10 Contact an authorized company with the appropriate certification for electric installations. The total length of cables for switches is max. 30 meters. Fig. 10 / Connection of the switch to the DIN bar for the boiler circuit pump 5.7 Installation of the ventilation device socket switch 1.
  • Page 11 5.8 Installation of the ventilation device DIN rail relay 1. Let the DIN rail relay to be installed by authorized company to your electrical switchboard. 2. Connect the ventilation DIN rail relay and control unit with the cable (socket LA2). 3.
  • Page 12 When installing, make sure the silicone hose is not deformed in any way. Otherwise, the correct function of the device will not be ensured! Fig. 13 / Installation of the buckle on the vertical flue 45 ° Fig. 14 / Installation of the buckle on the horizontal flue 45 °...
  • Page 13 5.11 Description of the connectors and the control unit A W U 1. Connect all installed components with the control unit (see Fig. 15). 2. Components can be plugged in in any order. 3. Connect the control unit (with the provided power adapter) into the 230 V power supply (see Fig. 16). 4.
  • Page 14 MODULE A (+ W) Power adaptor of control unit (24V) Sensor for pairing with wireless display Button for pairing with wireless display and for restart (modules A and W) Green indicates: normal function of modules A and W Orange indicates: door opened indicates: malfunction of module A or W (error number on the display), air supply flap is...

  • Page 15: Set-Up

    6. Set-up 6.1 Wireless display and control unit pairing A W U 1. Make sure all the components are properly connected to the control unit and that the diodes on its back does not indicate any error. In case of any error message, solve the error first. 2.
  • Page 16 6.2 Settings of the control unit parameters – menu SETTINGS A W U 1. Wake up the wireless display from stand-by mode by moving it (take it in your hand). 2. Enter the SETTINGS menu by long pressing (2 s) of the OK button . MODULE A MODULE W MODULE U...
  • Page 17 If the flap closes too early, select positive values to extend the glowing phase. If the flap closes too late, select negative values to shorten the glowing phase 5. Confirm the selected value by pressing OK button. 6. Select and confirm with the OK button to return to the main menu. 6.4 Settings of the circulation pump parameters (MODULE W) 1.
  • Page 18 MODULE U DELTA p · DELTA p setting the pressure difference between the pressure in the flue gas path and the pressure in the room. If the pressure lower than DELTA p is reached for the time period defined by parameter LAV, the air ventilation is temporarily disconnected. If the pressure higher than DELTA p is reached for the time period defined by parameter LAV, the air ventilation is put back into operation.

  • Page 19: Operating

    7. Operating 7.1 Wireless display A W U The wireless display consists of two parts, the upper (information) and the lower (control). Device status is displayed in the upper part of the display. The bottom of the display is touch-sensitive and is used to change the displayed information. To turn the wireless display on, take it in your hands (motion control).
  • Page 20 7.2 Displayed information Circulation pump status Pump status If the symbol is on, the hot water circulation pump is in operation. Basic information menu During standard operation, the display shows the following information. Use the arrow keys to switch the information. 150 °C Temperature in the fire chamber Value of the current temperature in the burning chamber measured by a high temperature sensor.
  • Page 21 The temperature in the burning chamber is monitored because of possibility of accidental combustion of the rest fuel. If accidental combustion occur, the device opens the air supply flap. 5 Pa Pressure difference Shows the current difference between room pressure and flue gas pressure. The purpose is to ensure sufficient supply of the appliance with combustion air and safe exhaust of combustion gas.
  • Page 22 Signal loss Symbol indicates a signal loss between the control unit and the display. Follow “troubleshooting” on the next page. Opened door Informs that the fire chamber door is open. Overheating of the accumulation tank The display informs about overheating of the accumulation tank. The percentage charge of the storage tank has reached the limit value and it is necessary to stop supplying additional fuel.

  • Page 23: Troubleshooting

    8. Troubleshooting Affected Error Cause Solution module code Check the connection of the high temperature sensor. If the E01 - 01 High temperature sensor error connection is correct, replace the sensor with a new one. Restart the control unit (press the SYS button for 3 seconds). Check the connection of the air flap.
  • Page 24 Affected Error Cause Solution module code Restart the U module control unit (press the U restart button MODULE U electronics for 3 seconds). If this does not work, disconnect the control E03 - 05 everheating Error unit from the power supply for 10 seconds. If that doesn‘t work, replace the control unit with a new one.

  • Page 25: Wiring Diagrams Of Hos Versions

    9. Wiring diagrams of HOS versions 9.1 HOS A (Electronic combustion control) without display Description Control unit (incl. switch and cable 3,2 m ) Temperature sensor with ceramic casing (cable lenght 4 m) Contactless door sensor (cable lenght 4 m)
  • Page 26 9.2 HOS A (Electronic combustion control) Description Control unit (incl. switch and cable 3,2 m ) Temperature sensor with ceramic casing (cable lenght 4 m) Contactless door sensor (cable lenght 4 m) Air flap according to set (cable lenght 5 m)
  • Page 27 9.3 HOS AW (Electronic combustion control, Electronic primary water cycle control) Description Control unit (incl. switch and cable 3,2 m) Temperature sensor with ceramic casing (cable lenght 4 m) Contactless door sensor (cable lenght 4 m) Air flap according to set (cable lenght 5 m) Wireless display Heat sensor PT 1000 (cable lenght 8 m) temperature in the exchanger Heat sensor PT 1000 (cable lenght 8 m) accumulation tank top...
  • Page 28 9.4 HOS AWU (Electronic combustion control, Electronic primary water cycle control, Underpressure watcher) Description Control unit (incl. switch and cable 3,2 m ) Temperature sensor with ceramic casing (cable lenght 4 m) Contactless door sensor (cable lenght 4 m) Air flap according to set (cable lenght 5 m) Wireless display Heat sensor PT 1000 (cable lenght 8 m) temperature in the exchanger Heat sensor PT 1000 (cable lenght 8 m) accumulation tank top...
  • Page 29 9.5 HOS AU (Electronic combustion control, Underpressure watcher) Description Control unit (incl. switch and cable 3,2 m ) Temperature sensor with ceramic casing (cable lenght 4 m) Contactless door sensor (cable lenght 4 m) Air flap according to set (cable lenght 5 m) Wireless display Chimney clamp ø150-250 mm including holders for silicone tube (hose lenght 8 m) Socket switch for ventilation device (cable lenght 8 m)
  • Page 30 9.6 HOS U (Underpressure watcher) Description Control unit (incl. switch and cable 3,2 m ) Temperature sensor with ceramic casing (cable lenght 4 m) Wireless display Chimney clamp ø150-250 mm including holders for silicone tube (hose lenght 8 m) Socekt switch fot ventilation device (cable lenght 8 m) Ventilation device Room air pressure EN I 33...

  • Page 31: Warranty

    Date of installation of the device: Company/Stove maker: Address: Telephone: Company Hoxter is not responsible for damages of devices connected to HOS regulation. The prerequisite for the proper functioning of HOS is the correct functioning of all connected subcomponents. 34 I EN...
  • Page 32 HOXTER GmbH Hersbrucker Straße 23 91244 Reichenschwand DEUTSCHLAND Tel.: +49 (0)9151 8659 163 E-mail: info@hoxter.de HOXTER a.s. Jinacovice 512 66434 Jinacovice CZECH REPUBLIC Tel.: +420 518 777 701 E-mail: info@hoxter.eu www.hoxter.de Stand 09/2020 M1000300 Änderungen und Irrtümer vorbehalten.

This manual is also suitable for:

Hos awHos awuHos auHos u

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