Geco GH10NA User Manual
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Geco GH10NA User Manual

For controlling central heating boilers with air blow. program version: 02a
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MANUAL
FOR CONTROLLER
GH10NA
FOR CONTROLLING CENTRAL
HEATING BOILERS WITH
AIR BLOW
Program version: 02a
USER MANUAL
We request that users carefully study applicable Instructions before connecting and
starting up any of our products.
Should any doubts arise, please contact our Company between 8 a.m. and 4 p.m.
Attention !!! At the bottom of each page you will find last document's update date. Please, always use the
most recent version of the Instructions, which is available free of charge and will be mailed to you if ordered.

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Summary of Contents for Geco GH10NA

  • Page 1 MANUAL FOR CONTROLLER GH10NA FOR CONTROLLING CENTRAL HEATING BOILERS WITH AIR BLOW Program version: 02a USER MANUAL We request that users carefully study applicable Instructions before connecting and starting up any of our products. Should any doubts arise, please contact our Company between 8 a.m. and 4 p.m.

  • Page 2: Table Of Contents

    RIORITY 8.4..........................16 UMMER ROOM THERMOSTAT ........................16 TEMPERATURE LIMITER (STB) ...................... 17 CONNECTION DEVICES TO THE GH10NA CONTROLLER ..............18 INFORMATION ON LABELLING AND COLLECTION OF WORN OUT ELECTRICAL AND ELECTRONIC EQUIPMENT ..........................19 Issue I AUGUST 2017...

  • Page 3: Introduction

    GH10NA USER MANUAL PAGE 3 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 it is necessary in described instructions to follow the sequence of carried out operations.

  • Page 4: Keyboard And Function Keys

    GH10NA USER MANUAL PAGE 4 1.2. Keyboard and Function Keys PROGRAMMING AUTO-OPERATION INDICATOR AUTO MAINTAIN OPERATION INDICATOR ON/OFF FAN MANUAL HUW PUMP MANUAL CH PUMPS MANUAL SWITCHING / SWITCHING / SWITCHING / PUMPS UPWARD VALUE DOWNWARD VALUE OPERATION CHANGE CHANGE...

  • Page 5: General Features

    GH10NA USER MANUAL PAGE 5 GENERAL FEATURES The GH10NA Controller is a microprocessor-based device manufactured using the Surface Mount Technology (SMT). It is designed to control the processes of Hot Utility Water (HUW) heating and the main Central Heating (CH) water circuit. Control parameters can be adjusted to the current operating conditions and boiler type.

  • Page 6: Technical Data

    GH10NA USER MANUAL PAGE 6 TECHNICAL DATA Power supply 230V AC +10% -15% PT1000 sensor NTC sensor resistance resistance Operating temperature characteristics +5°C to +40°C characteristics range Temp. Resistance Temp. Resistance Humidity 20% to 80% RH °C Ω °C Ω...

  • Page 7: Quick Start

    GH10NA USER MANUAL PAGE 7 QUICK START To quickly start the GH10NA Controller, perform the following actions: 1. Touch keyboard calibration. After connecting the controller to the power supply, the controller for about 4 seconds calibrates the touch keyboard. During calibration you can not bring your hands to the sensors, because it would cause incorrect calibration, and consequently malfunction of the keyboard.
  • Page 8 GH10NA USER MANUAL PAGE 8 4. Press . Screen appears: and the Controller starts automatic operation according to the factory settings. Table 1 Factory settings chart Nastawa Parametr Opis parametru Krok fabryczna Boiler preset temperature ’F03’ ’F04’ 1°C 60°C Fan speed HUW/return set temperature 1°C...

  • Page 9: The Gh10Na Operation

    GH10NA USER MANUAL PAGE 9 THE GH10NA OPERATION 6.1. Operated Heating System 6.1.1. Central Heating cycle + HUW cycle INPUTS OUTPUTS T1 – Boiler temp. P1 – HUW pump T2 – HUW temp. P2 – CH pump T3 – Flue gas temp.

  • Page 10: Automatic Operation Mode

    GH10NA USER MANUAL PAGE 10 6.2. Automatic operation mode. By pressing , you can turn on the automatic operation mode – the Controller lights the upper indicator on 6.2.1. Fan In the AUTO mode, the fan runs continuously until the boiler temperature reaches the value set by the user in the U0 setting.

  • Page 11: Manual Operation Mode

    GH10NA USER MANUAL PAGE 11 6.3. Manual Operation Mode Pressing causes the Controller to switch from automatic to manual mode, and immediately deactivates the fan, and the pump. In this mode, you can manually and independently activate and deactivate the HUW pump and the CH pump.

  • Page 12: Alarm Conditions

    GH10NA USER MANUAL PAGE 12 6.5. Alarm Conditions The Controller uses 6 different alarm conditions. In each alarm condition, the Controller displays the alarm number and activates the alarm sound output. In case of several alarm conditions occurring simultaneously, their numbers are displayed in sequence. You can exit an alarm condition only by pressing .

  • Page 13: User Settings

    GH10NA USER MANUAL PAGE 13 6.7.2. Sudden Drop of Outlet Water Temperature If during automatic operation the boiler outlet water temperature drops by 10°C, and during that dropping period the temperature does not rise by 4°C, then the CH and HUW pumps are switched off, and the Controller goes into the burnout detection mode.

  • Page 14: Huw/ Return Temperature Setting (U2)

    7.2. Settings are within the range of 35°C to 65°C. 7.4. Anti-Legionella Function (U3) The GH10NA controller is equipment in Anti-Legionella function which limit growth Legionella pneumophilia bacterium on HUW installation. This function is available for users when value F00 service parameter was adjust on „02”, „03”...

  • Page 15: Operating The Huw Boiler

    GH10NA USER MANUAL PAGE 15 OPERATING THE HUW BOILER The GH10NA Controller allows connection of an additional pump to control the Hot Utility Water (HUW) in the boiler. 8.1. Instalation and Connections To use the Hot Utility Water (HUW) heating option, perform the following actions: connect the boiler according to the enclosed diagram (⇒...

  • Page 16: Huw Priority

    04 – HUW pump summer mode 8.3. HUW Priority The GH10NA Controller allows to set operation of the HUW pump with priority. If you choose this mode of HUW pump operation, the hot utility water heating is a higher priority function in the Controller.

  • Page 17: Temperature Limiter (Stb)

    GH10NA USER MANUAL PAGE 17 10. TEMPERATURE LIMITER (STB) The GH10NA Controller can be equipped with an additional independent temperature limiter STB via terminals 15 and 16. WHEN THE TEMPERATURE LIMITER IS NOT USED, TERMINALS 15 AND 16 SHOULD BE SHORTED.

  • Page 18: Connection Devices To The Gh10Na Controller

    Power Supply 230V — Power Supply 230V Fig. 1 Diagram of connection outputs and inputs devices and temperature sensor in the GH10NA controller. ANY ADDITIONAL EQUIPMENT MAY BE CONNECTED TO THE GH10NA CONTROLLER ONLY BY PERSON LICENSED TO PERFORM ELECTRICAL INSTALLATION WORKS.

  • Page 19: Information On Labelling And Collection Of Worn Out Electrical And Electronic Equipment

    GH10NA USER MANUAL PAGE 19 12. INFORMATION ON LABELLING AND COLLECTION OF WORN OUT ELECTRICAL AND ELECTRONIC EQUIPMENT CAUTION! This symbol placed on the product or its packaging indicates the need for selective collection of worn out electrical and electronic equipment.
  • Page 20 P.P.U.H. „Geco” Sp. z o.o. Cholerzyn 376, 32-060 Liszki, Poland ph. 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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