Geco GH07EB User Manual Download

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Heating controller GH07EB

For electrode (ion) boilers

User manual

Attention

We strongly recommend that you familiarise yourself fully with the contents of this

manual before installing and using any of our devices. If you have any questions, please

contact us between 08:00 and 16:00. At the bottom of every page is the date of latest

publication. Please always use the latest version of the instructions, which you can obtain, post

free, upon request.

Summary of Contents for GH07EB

Page 1: ...rself fully with the contents of this manual before installing and using any of our devices If you have any questions please contact us between 08 00 and 16 00 At the bottom of every page is the date of latest publication Please always use the latest version of the instructions which you can obtain post free upon request ...

Page 2: ... OF TEMPERATURE SETTINGS 10 6 3 MANUAL MODE CONNECTED DEVICES 10 6 4 EDIT USER PARAMETERS 11 7 DESCRIPTION OF ADDITIONAL FUNCTIONS 12 7 1 DHW PRIORITY 12 7 2 SUMMER MODE 12 7 3 ANTI LEGIONELLA FUNCTION 12 8 OPERATING SYSTEM INSTALLATIONS 14 8 1 HEATING INSTALLATION NR 1 14 8 2 HEATING INSTALLATION NR 2 15 8 3 HEATING INSTALLATION NR 3 16 9 ALARMS 17 10 TEMPERATURE LIMITER STB 17 11 POWER FAILURE 1...

Page 3: ...t Technology SMT This controller controls the domestic hot water DHW circuit and provides support for the main heating circuit CO Control parameters can be adjusted to match operating conditions and boiler power The controller is equipped with a protection system against power failure and different kinds of interference With a one piece housing the controller can be installed in a safe place The d...

Page 4: ... install the controller wiring and connected devices It is recommended that the work is carried out by a qualified installation engineer The following are the basic requirements for the electrical power supply for this particular controller 1 Repairs maintenance and other work on the system can be carried out only after disconnecting the main power supply 2 The room in which the controller is to b...

Page 5: ...st be connected to separate inputs as described Technological equipment pumps boiler should be connected to the outputs as described in the tables in section 8 System Installation and according to the selected installation Descriptions of input parameters are shown in the following tables Description of controller inputs temperature sensors Temperature sensor Type of input Controller designation W...

Page 6: ... the selected installation is implemented Manual This mode is only used for validating whether individual attached devices are on off so remember to return to automatic mode when testing is complete Alarm an alarm prevents further operation of the system When the fault is corrected the controller returns to the state it was in before the alarm If the alarm is AL12 overheating boiler and the temper...

Page 7: ...roller can at any time be put into standby mode by pressing In standby mode all outputs are disabled and the alarm signal sounds When the controller is put into automatic mode the screen displays the returning to boiler temperature 5 2 Automatic mode In automatic mode the controller initialises the algorithm for the selected heating programme The main screen displays the heating system temperature...

Page 8: ...connected in which case the controller will indicate that such a sensor is required During an alarm all pumps are switched off with the exception of the boiler overheating alarm AL6 When the fault is repaired the controller returns to the mode it was in before The controller will not go to alarm mode when a sensor fault is repaired Any changes to components should be performed while power to the c...

Page 9: ...ameter value The temperature is displayed on the main screen Value is raised by one step The screen displays one of three available temperatures This button is used in manual mode to switch to automatic mode Automatic mode is indicated by an LED The controller algorithm is activated Function button allowing the user to edit controller parameters The display shows the individual parameters for cust...

Page 10: ...other To do so follow the steps below On pressing button the display shows the temperature of the water returning to the boiler It is also possible to see the temperature of the water flowing from the boiler Previewing DHW temperature is possible providing additional hot water pumping is activated Service Parameters p 13 Viewing all temperatures is possible both in automatic and manual modes To sw...

Page 11: ...signated DHW temperature 40 C U8 DHW priority 0 off 1 on 0 U9 Summer mode 0 off 1 on 0 U10 Anti legionella function 0 off 1 on 0 The user can change boiler parameters by following the steps below Exit parameter customisation after changing a setting using the button going through all parameter settings to the main screen Alternatively wait 30 seconds and the controller will return automatically to...

Page 12: ...us legionella pneumophila in domestic hot water Legionella bacteria develop in aqueous environments and the optimum temperature for their growth is from 38 42 C These bacteria also contribute to blockages in hot water systems hot water heaters and tanks Legionella bacteria cause a non specific variant of pneumonia known as Legionnaires disease or legionellosis Legionellosis has been officially rec...

Page 13: ...ature of the water in the boiler is raised to 70 C and this temperature is maintained for ten minutes The controller reports an anti legionella function error if within 240 minutes of the function being activated the temperature in the hot water tank does not reach 70 C The following error message appears on the display Signals anti legionella function error Activating the anti legionella function...

Page 14: ...eters available to the user Parameter Range Factory setting U0 30 F03 85 F04 60 C U1 25 85 50 C Installation nr 1 Assignment of controller outputs Output Connected device 12 13 Electrode boiler O5 O6 CH pump O7 O8 Installation nr 1 Assignment of inputs Input Description 50 51 Temperature sensor water returning to boiler 52 53 Temperature sensor water flowing from boiler Room temperature 54 55 55 5...

Page 15: ...etting U0 30 F03 85 F04 60 C U1 25 85 50 C U7 5 65 40 C U8 0 1 0 U9 0 1 0 U10 0 1 0 Installation nr 2 Assignment of controller outputs Output Connected device 12 13 Electrode boiler O5 O6 CH pump O7 O8 DHW pump Installation nr 2 Assignment of inputs Input Description 50 51 Temperature sensor water returning to boiler 52 53 Temperature sensor water flowing from boiler Room temperature 54 55 DHW tem...

Page 16: ...le to the user Parameter Range Factory setting U0 25 35 35 C U1 25 85 50 C Installation nr 3 Assignment of controller outputs Output Connected device 12 13 Electrode boiler O5 O6 CH pump O7 O8 Installation nr 3 Assignment of inputs Wejście Description 50 51 Temperature sensor water returning to boiler 52 53 Temperature sensor water flowing from boiler Room temperature 54 55 55 56 Room thermostat 5...

Page 17: ...ower supply The use of a limiter is an optional extra When a temperature limiter is not used terminals 15 16 must not be used Return to normal operation occurs when the temperature drops to a value that allows the further work of the heating system Some models of temperature limiters require manual reset before they are ready for operation The controller distinguishes four alarms For each alarm a ...

Page 18: ...ature Changing the temperature of water returning to the boiler Changing the DHW temperature Display of all alarms in text form Overview of boiler operations Overview of operations of connected devices electrode boiler CH pump DHW pump Overview of all temperature measurements If the GH07EB electrode boiler controller is connected to the GA01HC 01 room panel this will be detected automatically by t...

Page 19: ...will close output contacts and lock the boiler The room thermostat can lock the boiler by overriding the driver input that supports the thermostat when the thermostat is active 13 Information regarding the labeling and disposal of waste electrical and electronic equipment Warning This symbol on the product or on its packaging indicates separate collection of waste electrical and electronic equipme...

Page 20: ...P P U H Geco Sp z o o 32 060 Liszki Polska Cholerzyn 376 tel 012 6369811 6361290 fax 012 6362002 http www geco pl ...

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