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INSTRUCTION OF
CONTROLLER OPERATION
GH11RB
FOR CONTROLLING CENTRAL
HEATING BOILERS WITH
FEEDING SCREW
Program version: 01
USER INSTRUCTIONS

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Summary of Contents for Geco GH11RB

  • Page 1 INSTRUCTION OF CONTROLLER OPERATION GH11RB FOR CONTROLLING CENTRAL HEATING BOILERS WITH FEEDING SCREW Program version: 01 USER INSTRUCTIONS...
  • Page 2 USER INSTRUCTIONS GH11RB PAGE 2 We kindly ask you to carefully study the instructions before connecting and starting each of our devices. In case of any doubts, please contact our company between 8.00 - 16.00. Edition I JULY 2010...
  • Page 3: Table Of Contents

    ROOM THERMOSTAT........................19 TEMPERATURE LIMITER (STB)......................19 11.1. Operation principle........................19 11.2. STB function restart (manual).....................20 PROCEDURE IN THE CASE OF CONTROLLER DAMAGE..............21 CONNECTING DEVICES TO THE GH11RB CONTROLLER..............23 INFORMATION ON LABELING AND COLLECTION OF WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT..........................24 Edition I JULY 2010...
  • Page 4: Introduction

    USER INSTRUCTIONS GH11RB PAGE 4 INTRODUCTION 1.1. Graphic symbols Symbols intended to indicate and at the same time emphasise the importance of text containing information that warns against dangerous situation have the following graphic forms: Warning! This symbol is used when the sequence of operations must be followed in this manual.
  • Page 5: General Features

    – reed switch, 0- input (RS485) for connection of the room control panel GA01HA manufactured by GECO. It also contains four outputs allowing direct connection of 230 V AC devices, i.e.: fan, fuel feeder, SH circulation pump, DHW pump or mixing pump, depending on the type of the controlled heating system(...
  • Page 6: Electrical System And Connection Guidelines

    REPAIRS CAN BE MADE ONLY WHEN THE POWER SUPPLY IS DISCONNECTED AT THE FUSE QUICK START To quickly start the GH11RB Controller, perform the following actions: 1. Connect the device to the 230V AC power system (put the plug in the power outlet). ...
  • Page 7 USER INSTRUCTIONS GH11RB PAGE 7 5. Press . Screen appears: the Controller starts automatic operation according to the factory settings. Table 1 Factory settings table User Factory Description parameter setting Boiler temperature setting Feeder operation duration 15 s Feeder standstill duration...
  • Page 8: Gh11Rb Operation

    USER INSTRUCTIONS GH11RB PAGE 8 GH11RB OPERATION 6.1. Obsługiwany układ grzewczy 6.1.1. Central heating cycle + HUW cycle INPUTS OUTPUTS T1 – Boiler temp. P1 – Fuel feeder T2 – Feeder temp. P2 – Fan T3 – HUW temp. P3 – HUW pump C1 –...
  • Page 9: Automatic Operation Mode

    USER INSTRUCTIONS GH11RB PAGE 9 6.2. Automatic Operation Mode By pressing , you can turn on the automatic operation mode – the Controller lights the upper indicator 6.2.1. Fuel Feeder In the AUTO mode, the fuel feeder operates according to the values set in the user settings U1 – “Feeder operation duration”...
  • Page 10: Manual Operation Mode

    USER INSTRUCTIONS GH11RB PAGE 10 6.3. Manual Operation Mode In this mode, you can manually and independently turn on and off the fuel feeder and the fan. To do this, follow the below scheme: STEP 1 STEP 2 → Controller...
  • Page 11: Viewing Temperatures

    USER INSTRUCTIONS GH11RB PAGE 11 6.4. Viewing Temperatures After pressing , the display shows water temperature at the boiler outlet. Viewing temperatures: DHW/return and feeder is available in the AUTO and SUSTAIN modes, but only if the DHW/return sensor or feeder are properly enabled.
  • Page 12: Boiler Burnout Detection

    If NOT, this means that the furnace is burned out – the Controller enters the AL13 alarm condition. 6.8. Maximum Feeder Temperature Detection The GH11RB Controller is equipped with an additional option of protecting from temperature rise in the fuel feeder above the permissible value to prevent backfires into the fuel feeder.
  • Page 13: User Settings

    USER INSTRUCTIONS GH11RB PAGE 13 USER SETTINGS 7.1. Boiler Temperature Setting (U0) You can change the boiler temperature setting using the following procedure: STEP 1 STEP 2 STEP 3 → → Green LED lights on the Set a new desired Save the new key.
  • Page 14: Sustain Period (U3)

    7.6. Anti-Legionella Function (U6) The GH11RB controller is equipped with the ANTI-LEGIONELLA function, aimed at limiting the growth of Legionella pneumophilia bacteria in the domestic hot water system.
  • Page 15: Operating The Dhw Boiler

    USER INSTRUCTIONS GH11RB PAGE 15 OPERATING THE DHW BOILER The GH11RB Controller allows connection of an additional pump to control the Domestic Hot Water (DHW) in the boiler. 8.1. Installation and Connections If you want to use the option of heating domestic hot water (DHW), perform the following steps: connect the boiler according to the attached diagram ( ...
  • Page 16: Configuration Of Additional Pump

    8.3. Priorytet CWU In the GH11RB controller, it is possible to set the operation of the DHW pump in the priority mode. If such a mode of operation of the HUW pump is selected, heating of domestic hot water becomes a superior function in the controller.
  • Page 17: Room Panel

    THE ROOM PANEL IS INFORMED BY THE LIGHTING OF A DOT ON THE LAST DISPLAY If the GA01HA room panel is properly connected to the GH11RB controller, it will be automatically detected by the controller and it does not require any additional actions or settings by the user.
  • Page 18: Room Thermostat

    USER INSTRUCTIONS GH11RB PAGE 18 10. ROOM THERMOSTAT The controller is designed to work with a room thermostat. It works with any thermostat that closes its output after reaching the preset temperature in living quarters. IT CANNOT BE A MAINS POWERED THERMOSTAT! Connect the thermostat to terminals 54 - 55 (alternatively with the reed switch).
  • Page 19: Temperature Limiter (Stb)

    USER INSTRUCTIONS GH11RB PAGE 19 11.2. STB function restart (manual) In order to restart the device press push-button “RESET” installed on the left side of the controller housing. Temperature limiter (STB) “Reset” The controller does not return by itself to automatic operation due to safety reasons.
  • Page 20: Procedure In The Case Of Controller Damage

    In a case if have been noticed any irregularities in functioning of controller, user should contact with the supplier / producer or GECO company. Professional technical assistance will be given to him. If service assistance is indispensable (repair of the controller), damaged controller should be dismounted from the boiler and sent as a set (together with casing) on indicated address.
  • Page 21 USER INSTRUCTIONS GH11RB PAGE 21 STEP 3 Remove a top part of casing (lever snap fasteners) by using of flat screwdriver STEP 4 Remove connectors (with connected wires) from plugs, unscrew ground wires from PE strip, loosen strip which is tightening wires and...
  • Page 22: Connecting Devices To The Gh11Rb Controller

    — 230V power supply — 230V power supply Fig.1 Diagram of connecting devices and sensors to the GH11RB controller ANY ADDITIONAL EQUIPMENT MAY BE CONNECTED TO THE GH13RB CONTROLLER ONLY BY PERSON LICENSED TO PERFORM ELECTRICAL INSTALLATION WORKS. Edition I...
  • Page 23: Information On Labeling And Collection Of Waste Electrical And Electronic Equipment

    USER INSTRUCTIONS GH11RB PAGE 23 14. INFORMATION ON LABELING AND COLLECTION OF WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT ATTENTION! The symbol on the product or on its packaging indicates the selective collection of waste electrical equipment and electronic. This means that this product should not be disposed of with other household waste.
  • Page 24 P.P.U.H. „Geco” Sp. z o.o. Cholerzyn 376, 32-060 Liszki tel. 012/636-98-11, 636-12-90 fax. 012/636-20-02 http://www.geco.pl e-mail: geco@geco.pl...

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