Geco GH11MA Operating Instructions Manual
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Geco GH11MA Operating Instructions Manual

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OPERATING INSTRUCTIONS
FOR THE CONTROLLER
GH11MA
TO CONTROL
VENTILATORS
CENTRAL HEATING BOILERS
FOR FINE DUST AND COAL
Version 01
SERVICE MANUAL
We strongly request that you study the instructions carefully before connecting and
commissioning of each of our devices. In case of any doubt, please contact us between 8.00 a.m.
and 4.00 p.m.

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Summary of Contents for Geco GH11MA

  • Page 1 OPERATING INSTRUCTIONS FOR THE CONTROLLER GH11MA TO CONTROL VENTILATORS CENTRAL HEATING BOILERS FOR FINE DUST AND COAL Version 01 SERVICE MANUAL We strongly request that you study the instructions carefully before connecting and commissioning of each of our devices. In case of any doubt, please contact us between 8.00 a.m.

  • Page 2: Table Of Contents

    KEYBOARD AND FUNCTION KEYS..................... 3 2. GENERAL CHARACTERISTICS......................4 3. DANE TECHNICZNE .......................... 5 4. ELECTRICAL INSTALLATION AND CONNECTION RULES ..............6 5. QUICK START ........................... 6 6. OBSŁUGA GH11MA .......................... 8 6.1........................8 EATING SYSTEM OPERATED 6.2.

  • Page 3: Introduction

    10.3 ) ................... 17 FUNCTION REACTIVATION MANUAL DEALING WITH CONTROLLER DAMAGE ..................19 CONNECTION OF APPLIANCES TO THE GH11MA CONTROLLER............. 21 INFORMATION ON THE MARKING AND COLLECTION OF WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT ............................22 SERVICE MODE ........................... 23 INTRODUCTION 1.1.

  • Page 4: General Characteristics

    DOWNWARDS GENERAL CHARACTERISTICS. The GH11MA controller is made using microprocessor technology with automatic surface mounting. The controller controls the process of preparation of usable hot water (DHW circuit) and enables operation of the main heating circuit (CH circuit). The control parameters can be adjusted to the current operating conditions and the type of boiler.

  • Page 5: Dane Techniczne

    SERVICE MANUAL GH11MA PAGE 5 THE CONTROLLER SHOULD BE ALWAYS DISCONNECTED FROM THE MAIN SUPPLY DURING A STORM DANE TECHNICZNE Supply voltage 230V +10% -15% Resistance Resistance characteristics of NTC characteristics of Working temperature od +5°C do +40°C sensors PT1000 sensors Temp.

  • Page 6: Electrical Installation And Connection Rules

    ANY REPAIRS CAN ONLY BE CARRIED OUT WITH THE POWER SUPPLY DISCONNECTED AT THE FUSE QUICK START To start the GH11MA controller, perform the following steps: 1. Connect the unit to the 230V mains supply (insert plug into the socket). ...
  • Page 7 SERVICE MANUAL GH11MA PAGE 7 3. Press the button . The screen will appear: Controller will start automatic operation based on the factory-set parameters. Table 1 - Factory settings Factory Parametr Parameter description Step setting Boiler setpoint temperature ’F03’ ’F04’...

  • Page 8: Obsługa Gh11Ma

    SERVICE MANUAL GH11MA PAGE 8 OBSŁUGA GH11MA 6.1. Heating system operated 6.2.2 CH + DHW circuit INPUTS OUTPUTS T1 – Boiler temp. P2 - fan T3 – DHW temp. P3 – DHW pump T6 – Exhaust gas P4 – CO pump temp.

  • Page 9: Automatic Operation Mode

    SERVICE MANUAL GH11MA PAGE 9 6.2. Automatic operation mode Pressing the button enters the automatic operation mode of the controller (start of firing-up). 6.2.4 Firing up The first stage of automatic operation is FIRING-up, which is signalled by the upper indicator light on the button.

  • Page 10: Manual Operation Mode

    SERVICE MANUAL GH11MA PAGE 10 6.2.6 CO Pump In automatic operation mode, the CH pump switches on if the boiler water temperature is greater than or equal to the value set in service parameter F6 (factory setting is 40 The operation of the CH pump is signalled by the upper indicator light on the button...

  • Page 11: Alarms

    SERVICE MANUAL GH11MA PAGE 11 Dla uzyskania podglądu temperatury CWU/powrotu należy wcisnąć przycisk . Pressing the button again exits the preview. Exit from the preview is also automatic 10s after pressing the button. 6.5 Alarms The controller distinguishes between 7 alarm states. In each of these, the alarm number is displayed and the acoustic alarm output is activated.

  • Page 12: User Settings

    7.4 Anti-Legionella function (u3) The GH11MA controller is equipped with an ANTI-LEGIONELLA function to limit the growth of Legionella pneumophilia bacteria in the hot water system. This function is only available to the user when parameter F00 is set to "2" , "3" or "4" ( p.8.2 p.14).
  • Page 13 Legionellosis. Legionellosis has been officially recognised by the Ministry of Health as an infectious disease. The ANTI-LEGIONELLA function implemented by the GH11MA controller to ensure the creation of a conditions in the domestic hot water system (DHW tank) such that the Legionella bacteria do not find favourable living conditions.

  • Page 14: Operation Of The Hot Water Boiler

    SERVICE MANUAL GH11MA PAGE 14 OPERATION OF THE HOT WATER BOILER The GH11MA controller makes it possible to connect an additional pump to control the heating of domestic hot water (DHW) in the boiler. 8.2 Assembly and connection If you wish to use the domestic hot water (DHW) heating option, carry out the following steps: connect the boiler according to the enclosed diagram ( p.6.1.1 p.8).

  • Page 15: Dhw Priority

    8.4 DHW priority It is possible to set the operation of the DHW pump in priority mode on the GH11MA controller. If you select such a mode of operation of the DHW pump, DHW heating becomes the overriding function in the controller.
  • Page 16 SETTINGS IS INDICATED BY THE LIGHTING OF THE DOT ON THE LAST DISPLAY If a GA01HA room panel is correctly connected to the GH11MA controller, it will be automatically detected by the controller and no further action or settings by the user are required.

  • Page 17: Temperature Limiter (Stb)

    SERVICE MANUAL GH11MA PAGE 17 10. TEMPERATURE LIMITER (STB) The GH11MA controller is equipped with an additional mechanical protection device, independent of the automation, called a safety temperature limiter (STB). 10.2 Mode of operation If the heating water reaches a temperature of 95 C the temperature limiter will operate automatically (activates the STB function) and interrupt the combustion air supply (switches off the fan).
  • Page 18 PUNCTURE OR BREAKAGE OF THE CAPILLARY INDICATES A LEAKAGE OF THE TEMPERATURE LIMITER FILLED WITH LIQUID, WHICH LEADS TO MALFUNCTION OF THE GH11MA CONTROLLER. IF THE DESCRIBED MALFUNCTION IS DETECTED, THE TEMPERATURE LIMITER SHOULD BE DISCONNECTED FROM THE GH11MA CONTROLLER, REMOVED AND REPLACED WITH A NEW UNIT.

  • Page 19: Dealing With Controller Damage

    SERVICE MANUAL GH11MA PAGE 19 11. DEALING WITH CONTROLLER DAMAGE If you notice any malfunctions in the controller, it is advisable to contact the boiler supplier/manufacturer or GECO Ltd. Expert technical advice will be provided there. If a service action to repair the controller is required, the defective controller must be removed from the boiler and the complete controller, including the casing, sent to the address indicated.
  • Page 20 SERVICE MANUAL GH11MA PAGE 20 KROK 3 Remove the housing cover by undermining the latches using flat screwdriver KROK 4 Remove the plug connectors with the connected wires from the sockets, unscrew the earth wires from the PE strip, loosen the wire clamping strip and...

  • Page 21: Connection Of Appliances To The Gh11Ma Controller

    — — AC 230V power supply — AC 230V power supply Connection diagram for devices and sensors to the GH11MA controller. CONNECTION OF ADDITIONAL DEVICES TO THE CONTROLLER THE GH11MA CONTROLLER MAY ONLY BE CONNECTED BY A PERSON QUALIFIED ELECTRICIANS.

  • Page 22: Information On The Marking And Collection Of Waste Electrical And Electronic

    SERVICE MANUAL GH11MA PAGE 22 13. INFORMATION ON THE MARKING AND COLLECTION OF WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT Attention! The symbol on the product or its packaging indicates the separate collection of waste electrical and electronic equipment and electronic equipment. This means that the product should not be disposed of with other household waste.

  • Page 23: Service Mode

    SERVICE MANUAL GH11MA PAGE 23 14. SERVICE MODE Entering the service mode is done as follows: STEP 1 STEP 2 → Press and hold for approx. 2s After entering the service mode, the controller shows the first F00 service parameter...
  • Page 24 Table of service parameters Factory Parameter Parameter description Min Max Step setting Configuration of auxiliary pump 0- No pump. Output 07-08 indicates an alarm condition. 1- Mixing Pump 2- DHW pump. - winter without priority 3- Hot water pump. - winter with priority 4- Hot water pump.
  • Page 25 SERVICE MANUAL GH11MA PAGE 25 P.P.U.H. „Geco” Sp. z o. o. Cholerzyn 376, 32-060 Liszki tel. 012 6369811, 6361290 fax. 012 6362002 http://www.geco.pl e-mail: geco@geco.pl...

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