User manual to the GH11NA controller
Contents
1. HUW PUMP CAN TURNED ON ONLY IF IT IS SELECTED IN SERVICE PARAMETERS gt SECTION 8 2 PAGE 15 6 4 Viewing Temperatures After pressing LO the display shows water temperature at the boiler outlet Viewing temperatures flue gas and HUW return is available in the AUTO and MAINTAIN modes but only if the flue gas sensor or HUW return sensor are properly enabled Press to view the flue gas temperature Press the key again to cancel the view The view is also cancelled after 10s from pressing of the key Press to get a HUW return temperature view Press the key again to cancel the view The view is also cancelled after 10s from pressing of the key August 2014 10 SERVICE MANUAL GHIINA 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 This does not include the AL12 and AL7 alarm condition Alarm conditions All STB activated or fuse blown 2 Boiler water outlet temperature sensor failure AL4 HUW return temperature sensor failure AL7 Flue gas temperature sensor failure AL12 Boiler overheating AL13 Boiler burnout This alarm apear just during viewing flue gas temperature and there is2. INSTRUCTION OF CONTROLLER OPERATION GH11NA EN g GH11NA FOR CONTROLLING CENTRAL HEATING BOILERS WITH AIR BLOW Program version 01 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 SERVICE MANUAL GHIINA TABELE OF CONTENTS INTRODUCTION Ad chi P 3 Ll COBAPHIGSYMB OLS E E E 1 2 KEYBOARD AND FUNCTION KEYS wsad 4 2 GENERAL PEAT URES c 4 gt JECONICZEDATA amar GG E GEO 5 4 ELECTRICAL SYSTEM AND CONNECTION RULEG ccccsccsccscsccsccsccccsscsccsceccnccscescnscsscscescnsescescnsens 6 Eie START OE OW EE 6 5 THE GHIINA OPERATION siivcescsestucescdsctaucccsevcosaciovuscpestvoaccisnvesecesevensiseesescdueisonsctunasteieneyereiaanseccasnees 7 61 OPERATED HEATING SYSTEM crenn E oo vane sas ace eee 7 0 29 AUTOMATIC OPERATION MODE 8 6 3 MANUAL OPERATION MODE asica EW AE GA 10 DA MIEUING TEMPERATURES E 10 5 5 ALARM CONDITIONS a 11 PEE 2e a Ge 11 5 7 BOILER BURNOUT DETECTION 11 USERSETTINGS ceniona ORC 12 Zle BOWER TEMPERATURE SETTING UO A AEG OPO EA AE A
3. This setting is available to the user only if the HUW heating option or return temperature stabilisation are used and the user configured the pump with the FOO service parameter by setting it to the values 01 02 03 04 gt section 7 2 page 13 You can modify this setting in a similar way to the described in sections 7 1 7 4 Anti Legionella Function u3 The GH11NA controller is equipment in Anti Legionella function which limit growth Legionella pneumophilia bacterium on HUW installation This function is available for users when value FOO service parameter was adjust on 02 03 or 04 The Legionella bacterium growth in water environment and the best condition is on 38 42 C temperature The Legionella bacterium can cause variety pneumonia disease called Legion fever To activate the ANTI LEGIONELLA function set the U3 setting to 1 When the function is active a blinking letter L is visible on the left part of the display before the displayed temperature value You can turn off the function by modifying the U3 setting to O or by pressing The anti legionella function is also cancelled after a power down The ANTI LEGIONELLA function has higher priority over other functions therefore it is performed by the Controller in the first order superior function When the function is activated the temperature of water in the boiler is increased to 70 C and maintained for a period of 10 minutes August 20
4. controller is provided with an extra mechanical protection independent of automatic systems It is called safety temperature limiter STB 9 1 Operation principle In case heating water reaches the temperature of 95 temperature limiter will start working automatically it will activate the STB function and interrupt fuel supply and air delivery to combustion chamber it will switch off the fan When temperature in the limiter drops by approximately 20 C it will be possible to restart the STB function but only manually 9 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 The controller does not return by itself to automatic operation due to safety reasons Press push button twice to resume the controller operation first pressing of push button will cancel the alarm and switch off the controller second pressing of push button will restart the controller press push button the controller will switch to automatic operation mode August 2014 17 SERVICE MANUAL GHIINA CAPILLARY TUBE PUNCTURE OR BREAKAGE INDICATES THAT TEMPERATURE LIMITER FILLED WITH LIQUID LEAKS WHICH RESULTS IN ABNORMAL OPERATION OF THE GH11NA CONTROLLER IN CASE IF THE ABOVE MENTIONED DEFECT IS FOUND IT WILL NECESSARY TO DISCONNECT TEMPERATURE LIMITER FROM THE GH11RNB CONTROLLER REMOVE IT AND RE
5. no acustic signal 6 6 Power Outage After a power outage the Controller starts to reactivate according to the condition it was in before the power down The Controller waits 1 minute to stabilise the mains power parameters and then restores operation with the previously programmed settings During the waiting period the display shows time in seconds remaining until the end of the period along with indication of its condition before the power outage e blinking A for AUTO mode blinking P for SUSTAIN mode blinking for MANUAL mode 8 Respective indicators AUTO or SUSTAIN WF are blinking along with the letters 6 7 Boiler Burnout Detection 6 7 1 No Fuel If during automatic operation the boiler outlet water temperature remains below the F08 setting for a period of time set in the FO9 setting then the Controller considers the boiler as burned out and enters the AL13 alarm condition August 2014 11 SERVICE MANUAL GHIINA 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 SH and DHW pumps are switched off and the Controller goes into the burnout detection mode The Controller waits for the period of time set in the F10 setting during which it checks whether a rise of 4 C occurs If YES then the burnout detection conditi
6. 14 13 SERVICE MANUAL GHIINA TURNING ON OF THE ANTY LEGIONELLA FUNCTION CAUSES RISE OF Y THE TEMPERATURE OF HUW WATER UP TO 70 C EXTRA CAUSION WHEN USING HUW MAY RESULT IN BURNING 8 OPERATING THE HUW BOILER The GH11NA 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 1 connect the boiler according to the enclosed diagram gt section 6 1 1 page 7 2 install the HUW temperature sensor in the HUW storage lt n We recommend mounting HUW temperature sensor in GECO measuring drain You can not mount temperature sensors in measuring drain with water oil 3 connect the HUW temperature sensor to the Controller at the appropriate terminals as shown in Fig 2 4 configure the HUW pump for operation gt section 7 2 page 13 HUW temperature sensor is additional equipment and it s not includes to the standard set controller GH11NA Additional equipment can be delivery according with additional order August 2014 14 SERVICE MANUAL GHIINA 8 2 Configuration of additional pump This procedure allows you to connect an additional pump that can be used as a mixing pump or a Hot Utility Water HUW pump operating with or without higher priority The HUW pump is started when the boiler outlet water temperature is higher than 40 C and h
7. AAA 12 T Eddie 13 7 3 HUW RETURN TEMPERATURE SETTING 02 13 TA ANTI LEGIONELLA FUNCTION U3 13 8 OPERATING THE HUW BOLERO GOA GG ORG AGA Gada 14 8 1 INSTALATION AND CONNECTIONS ssssecccceccssscsccecenseccccecessesssseeessseeeeuseeesessecusessessecusessessecussssssegnssesses 14 8 2 CONFIGURATION OF ADDITIONAL PUMP scosscsscoescsscsscnscessenscevscsceesenscasssnscesceascencsascesseascescsascessesceases 15 Sar AUW PRONT 15 Bd SUMMER MODE sr E EN 15 8 5 ROOM PANEL GAOTHA 16 9 TEMPERATURE LIMITER 918 17 5 5 OPERATION IPR UN GIP 17 cA EE IE Senensi NER ete AA GP em 17 10 PROCEDURE IN THE CASE OF CONTROLLER DAMAGE ccscsscsscsccsccscsccsccscnscsccscescsscscescnscces 18 11 CONNECTION DEVICES TO THE GH11NA CONTROLLER ccscsccsccsccscsccsccscsscsccscescsccsscscescnces 21 12 INFORMATION ON LABELLING AND COLLECTION OF WORN OUT ELECTRICAL AND ELECTRONIC EQUIPMENT GORA 22 EXE NOTES 23 August 2014 SERVICE MANUAL GHIINA 1 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 w
8. HIINA 23 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 gecoQgeco pl
9. PLACE WITH A NEW DEVICE 10 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 Y SENDING A NOT COMPLETE CONTROLLER TO THE SERVICE CAUSES AN AUTOMATIC LOSS OF THE GUARANTEE August 2014 18 SERVICE MANUAL GHIINA PREPARING THE CONTROLLER TO DELIVERY TO THE SERVICE Disconnect a controller from power supply remove plug from power point Remove a front panel by using of flat screwdriver Remove a top part of casing lever snap fasteners by using of flat screwdriver August 2014 19 Remove connectors with connected wires from plugs unscrew ground wires from PE strip loosen strip which is tightening wires and take all wires out of the controller Dismount a controller from boiler by unscrewing four screws in the bottom part of the casing of the controller Install top part of the casing and front panel SERVICE MANUAL GHIINA August 2014 SERVICE MANUAL GHIINA 11 CONNECTION DEVICES TO THE GH11NA CONTROLLER OUTPUTS INPUTS out water temperature sensor 53 54 H U W Return temp s
10. ensor 57 58 ps ereenn emerunt CB E room rae pom w kuw B ave ps eenam m 00 GH11NA OOOOOO limiter Power STB m Ox 12 14 11 4 IT 0 ITI 2U Room panel Boiler HUW Flue gases sensor sensor temperature sensor 0000000000000 0000000000000 Strip connector Rys 1 Diagram of connection outputs and inputs devices and temperature sensor in the GH11NA controller August 2014 21 SERVICE MANUAL GHIINA ANY ADDITIONAL EQUIPMENT MAY BE CONNECTED TO THE GH11NA e CONTROLLER ONLY BY PERSON LICENSED TO PERFORM ELECTRICAL INSTALLATION WORKS 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 It means that this product should not be disposed of with other household wastes Proper disposal of aged and worn out electrical and electronic equipment will help to avoid potentially adverse effects for environment and human health It is the user s responsibility to collect worn out equipment separately and to return it to an authorized disposal company August 2014 22 13 NOTES August 2014 SERVICE MANUAL G
11. hen it is necessary in described instructions to follow the sequence of carried out operations The unit may be damaged or destroyed in case of any error or proceeding in discord with the description Important This symbol indicates information of particular importance Reference This symbol indicates occurrence of additional information in a chapter August 2014 SERVICE MANUAL GHIINA PROGRAMMING AUTO OPERATION 1 2 Keyboard and Function Keys Geco INDICATOR GH11NA Ww C W U MAINTAIN OPERATION INDICATOR ON OFF CH PUMP MANUAL HUW PUMP MANUAL SWITCHING CH AND HUW PUMPS MANUAL SWITCHING SWITCHING UPWARD VALUE DOWNWARD VALUE CHANGE CHANGE PUMPS OPERATION INDICATORS 2 GENERAL FEATURES The GH11NA 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 The Controller includes a system protecting from power outages and other different disturbances The GH11NA Controller is fitted with e inputs 1 Boiler output water temperature measurement NTC sensor 2 HUW boiler water return water temperature measurement NTC sensor 3 Flue gas temperature sensor in chimney PT1000 sensor dig
12. igher than the water in the HUW boiler to prevent cooling of the HUW boiler and the HUW boiler temperature is lower than the temperature set in the U2 setting section 5 Pump operation is indicated by a dot on the display next to the fan symbol If the boiler room is configured as shown in the diagram section 6 1 1 page 7 then the boiler controller has no external alarm output ca but allows to view the HUW boiler temperature by pressing Aby za czy w sterowniku obs ug dodatkowej pompy nale y postepowa nast puj co Set the desired FOO value Display shows Press and Save the 00 no pump operation 01 mixing pump 02 HUW pump winter mode without priority 03 HUW pump winter mode with priority 04 HUW pump summer mode hold for 25 new setting 8 3 HUW Priority The GH11NA 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 To do this set the FOO service setting to the value of 3 8 4 Summer Mode The GH11NA Controller is equipped with a SUMMER MODE option that allows you to turn off the CH pump for the summer season and the boiler operates only to supply the HUW water To do this set the FOO service setting to the value of 4 August 2014 15 SERVICE MANUAL GHIINA 8 5 Room panel 1 GECO The GH11NA cont
13. in Operation Mode The Controller gets into that mode when the boiler temperature reaches the value set by the user in the UO setting This mode of operation is indicated by lighting the lower indicator on oe When set temperature is reached F32 0 the fan will be turned on only for periodical blows The duration of blow is consistent with the value set in parameter F26 and the fan works with maximum speed The air blows take place at the time set in parameter F27 When F32 gt 0 and the outlet water temperature does not exceed the value equal to the UOO F33 the fan works with speed set in F32 parameter The Controller will exit the MAINTAIN mode and return to the AUTO mode if the boiler temperature drops to the value equal to UOO F05 The CH pump operates identically as in the AUTO mode August 2014 SERVICE MANUAL GHIINA 6 3 Manual operation mode Pressing A 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 To do this follow the scheme below and Controller indicates water temperature Lower key indicator lights Upper key indicator lights measured on the up Press the key again to up Press the key again to boiler deactivate the pump and the deactivate the pump and the indicator indicator
14. ital input 4 Input for connection of the room thermostat panel GAO1HA GECO August 2014 SERVICE MANUAL GHIINA It also contains four outputs allowing direct connection of 230 V AC devices fan CH circulation pump HUW pump mixing pump depending on the type of the controlled heating system gt section 6 1 1 p 6 ALWAYS DISCONNECT THE CONTROLLER FROM POWER DURING THUNDERSTORMS 3 TECHNICAL DATA Power supply 230V 10 15 NTC sensor PT1000 sensor Operating temperature resistance resistance 5 C to 40 C gt M range characteristics characteristics m Temp Resistance Temp Resistance Humidity 20 to 80 RH C Q ec Q NTC2 2kQ 000 10 437483 50 Sensors operating NTC 0 C 100 C 20 274710 100 temperature range PT1000 O C 750 C 1573 30 wee Maximum continuous load 30 250 300 350 400 E 3E 500 550 600 650 700 750 August 2014 SERVICE MANUAL GHIINA 4 ELECTRICAL SYSTEM AND CONNECTION RULES 1 The boiler room should be equipped with a 230V 50Hz electrical system according to the applicable regulations 2 The electrical system regardless of its type should be terminated with a connection outlet fitted with a protective terminal Use of an outlet without a protective terminal causes electrical shock hazard 3 Connect the Controller to a separately installed power line protected with a properly selected quic
15. k circuit breaker or a residual current device RCD breaker Do not connect any other devices to this line THE CONTROLLER IS POWERED FROM 230V 50HZ MAINS ANY REPAIRS MAY BE CARRIED OUT ONLY WITH POWER SUPPLY CUT OFF AT THE FUSE 5 QUICK START To quickly start the GH11NA Controller perform the following actions 1 Connect the device to the 230V AC power system put the plug in the power outlet rpm A 1 B a rc rc 0 ol r CWU 24 CWU o 2 Turnthe Controller ON by pressing Screen appears Geco GH11NA sh Ww C W U 1 August 2014 SERVICE MANUAL GHIINA 3 Press A Screen appears IM Geco mf NT GH11NA SEE rd O ES ER C W U LA and the Controller starts automatic operation according to the factory settings Tabele 1 Factory settings chart User R Factory Description parameter setting Boiler preset temperature HUW return set temperature 6 THE GH11NA OPERATION 6 1 Operated Heating System 6 1 1 Central Heating cycle HUW cycle H U W cycle C H cycle INPUTS OUTPUTS container T1 Boiler temp P1 HUW pump T2 HUW temp P2 CH pump T3 Flue gas P3 Fan temp August 2014 SERVICE MANUAL GHIINA 6 1 2 Central Heating cycle mixing pump INPUTS OUTPUTS C H cycle T1 Boiler temp P1 Mixing pump Water container 2 Return te
16. mp P2 CH pump T3 Flue gas P3 Fan temp 6 2 Automatic operation mode By pressing A you can turn on the automatic operation mode the Controller lights the upper indicator on LU 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 uO setting The fan starts with minimal speed gear 1 and increase its speed according to F31 parameter until getting to speed set in U1 parameter Table 1 When flue gas temperature sensor is connected to the controller and it is activated F11 gt 0 after exceeding flue gas temperature set in F42 parameter the fan speed is reduced This reduction is proportionate until the fan stops completely Activation and operation of the fan is indicated by means of a vertical line on the left side of the display in the lower sign segment on the Controller main display screen August 2014 SERVICE MANUAL GHIINA 6 2 2 Pump In the AUTO mode the CH pump starts when the temperature of the boiler water is higher or equal to the value set in the F06 service setting factory setting is 40 C Turning the CH pump on and its operation is indicated by lighting the upper indicator on The Controller turns off the pump when the water temperature drops to the activation temperature minus 4 C If the CH pump start temperature is 40 C then the CH pump stop temperature is 36 C 6 2 3 Mainta
17. on is stopped and the SH and DHW pumps if necessary are started If NOT this means that the furnace is burned out the Controller enters the AL13 alarm condition STOPPING CH PUMP OPERATION IN BURNOUT DETECTION IS INDICATED BY BLINKING THE UPPER INDICATOR on 7 USER SETTINGS 7 1 Bolier Temperature Setting u0 You can change the boiler temperature setting using the following procedure Save the new temperature setting Move to the U1 setting Green LED lights on the key Display shows current temperature setting Set a new desired temperature within range permitted by the boiler manufacturer If during setting the new temperature CE none of the following keys EJ Ell is pressed for 15 5 the new temperature will not saved and the Controller will exit the programming mode August 2014 12 SERVICE MANUAL GHIINA 7 2 Fan speed ul This setting determines the fan rotation speed and thus the amount of air delivered It allows to adjust the fan speed according to the type and quality of the fuel used This setting can be set within the range of 1 10 where 1 denotes minimum speed and 10 maximum speed You can change the setting using the following procedure Green LED lights on Save the new Move to the the key setting y U1 setting Set the desired value Display shows the Move to the U2 UO setting value setting 7 3 HUW Return Temperature Setting u2
18. roller has been fitted for full communication with the GAO1HA room panel manufactured by GECO which allows to control boiler operation comfortably from user s apartment The GAO1HA room panel connected to the GH11NA controller allows e to change boiler preset temperature e change HUW preset temperature e information on all alarms to be displayed in room panel e to view boiler operation state e to view operation states of other units fan fuel central heating pump HUW pump e to view all measured temperature values If the GAO1HA room panel is correctly connected to the GH11NA controller it will be automatically detected by the controller Then user is not required to carry out any additional operations or make any settings In this case the controller will work according to the room panel settings Proceed as follows to connect the GAO1HA room panel to the GH11NA controller Switch off the controller Open the Connect Snap shut Plug in mains cable upper cover in the 230V socket remove to the button of the and switch on the using push controller room panel upper cover controller controller controller using of the using and remove housing push button housing terminals mains cable close the plug from A B C D controller socket Terminal strip in Terminal strip in GECO controller GA01HA 01 panel t 12V DC August 2014 16 SERVICE MANUAL GHIINA 9 TEMPERATURE LIMITER STB The GH11NA
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