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User Instructions for GECO GH21RA controller

 

______________________________________________________________________________ 

Page 41                                                      Edition I 

19.06.2013 

 

 

15.  In case of damage to the controller  

 

If  the  controller  malfunctions,  contact  the  supplier/manufacturer  of  the  boiler,  or  GECO,  for 

technical advice. If the controller needs to be repaired or serviced, remove it completely from the 
boiler and send it along with its housing to the specified address.

 

 
 

 

Sending an incomplete controller for servicing automatically invalidates 

the warranty 

 
 
 

Preparing to send the controller for servicing 

 

Step 1 

 

Disconnect the controller from the power 

supply  

(unplug from the wall socket) 

Step 2 

 

Remove the front panel using a flathead 

screwdriver 

 

Содержание GH21RA

Страница 1: ...BOILER CONTROLLER WITH FEEDER SCREW USER MANUAL 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 a...

Страница 2: ...SETTINGS 19 7 DESCRIPTION OF ADDITIONAL FUNCTIONS 20 7 1 DHW PRIORITY HOT WATER 20 7 2 SUMMER FUNCTION 20 7 3 ANTI LEGIONELLA FUNCTION 21 7 4 GA03HA ROOM PANEL 22 7 5 FUEL FEEDER TEMPERATURE DETECTION...

Страница 3: ...e device supports three temperature sensor inputs digital input for reed relay switch additional output for room panel GA03HA and four outputs for external devices The GH21RA controller is equipped wi...

Страница 4: ...able regulations 3 The controller should be supplied from a dedicated circuit 230VAC 50Hz grid protected by a circuit breaker 4 The controller power cable should have a cross section minimum mechanica...

Страница 5: ...ter in the DHW boiler Return temp NTC 52 53 Fuel feeder NTC 54 55 Description of controller inputs room thermostat GA03HA Type of room thermostat Type of input Controller designation GH21RA dedicated...

Страница 6: ...the type of fuel Maintain the controller enters this mode if the boiler temperature reaches the set point In this mode an individually prepared algorithm is implemented Manual This mode is used only t...

Страница 7: ...automatic mode the display shows the actual temperature of the water in the boiler the set temperature and information about the controller mode 5 2 Automatic mode heating In automatic mode the contr...

Страница 8: ...ited by the user The central heating pump works in the same way as in automatic mode When working in automatic mode maintain text information is shown in the top part of the screen Maintain when the s...

Страница 9: ...ed This applies only to those sensors which do not affect the safe operation of the heating system After repairing the sensor problem or removing the cause of the interference the controller returns t...

Страница 10: ...nu From the alarm and note screen go to Data service The screen shows help for users The screen shows product information and service helpline information Confirm change Enter Menu from the main scree...

Страница 11: ...s the button in any mode you can preview all the major parameters of the controller ie temperature measured by the controller device status and active inactive control functions All information on the...

Страница 12: ...s the position on the screen The current device is shown by the negation of the icon corresponding to the device Current additional functions are shown in the same way System temperature preview is po...

Страница 13: ...URER OR TECHNICIAN 6 5 Manual mode Pressing the button in automatic mode switches the controller to manual mode and immediately stops all devices In this mode the user can manually turn on off the fan...

Страница 14: ...mmer mode optional Feeder stop time Control panel settings 4 Language selection Date and time Anti Legionella optional Maintain time Alarms and notes Boiler operating time Emergency work time Exceedin...

Страница 15: ...will rise This parameter is available for users only when the DHW temp DHW additional mixer pump temp returning option is selected Fan speed This parameter sets the fan speed i e the amount of air su...

Страница 16: ...an 1 3 1 System configuration Allows selection of the heating system operated by the controller with an additional pump or without A description of the system is in section 8 DHW priority Activating t...

Страница 17: ...ible A description of this function is in section 7 6 6 3 Operation history Operation history is where information on all controller malfunctions and custom activities is stored All failures and irreg...

Страница 18: ...user or a service engineer The envelope icon disappears when the alert has been read Boiler operating time The screen shows the operating time in automatic heating and maintain mode The time is measu...

Страница 19: ...en shows the number of times that power to the controller has failed displayed in number of incidences 6 6 4 Control panel settings Settings for the controller which do not effect heating system opera...

Страница 20: ...riority hot water The GH21RA controller can be set to pump hot water as a priority If you select this mode water heating becomes the primary function of the controller with heating CH secondary This i...

Страница 21: ...controller aims to ensure that the hot water tank is not a favourable environment for legionella bacteria To activate the function set the value to yes in the menu Duration and operation of this funct...

Страница 22: ...correctly connected to the controller it will be automatically detected by the controller and does not require any additional steps or settings from the user In this case the controller works accordi...

Страница 23: ...r the duration set in parameter S16 in order to remove lit fuel from the feeder The fan is turned off for the duration of the time set in S16 When the time set in parameter S15 expires the controller...

Страница 24: ...r this means that that fuel has gone out and the controller returns alarm AL13 7 7 Anti Stop function The GH21RA controller includes an anti stop option a security measure which guards against system...

Страница 25: ...by changing the parameters of the system to turn off the standard heating regulation mode Note that the change should be temporary and that the system performs optimally only with standard settings A...

Страница 26: ...for temperature sensors Diagram 1 Summary of user parameters Parameter Range Factory settings Set temperature of boiler 50 85 50 C Feeder working time 2 250 15s Feeder stop time 5 250 45s Maintain tim...

Страница 27: ...r parameters Parameter Range Factory settings Set temperature of boiler 50 85 50 C Feeder working time 2 250 15s Feeder stop time 5 250 45s time 1 250 15min Fan speed 1 10 5 Set temperature of boiler...

Страница 28: ...f user parameters Parameter Range Factory settings Set boiler temperature 50 85 50 C Feeder working time 2 250 15s Feeder stop time 5 250 45s Maintain time 1 250 15min Fan speed 1 10 5 Returning tempe...

Страница 29: ...t is 400C When the CH pumps are operational this is indicated by a CH pump icon in the negated backlit position in system operation preview The controller disables the pumps if the water temperature i...

Страница 30: ...he pump is disabled this is indicated by a DHW pump icon without negated backlight in the system operation preview 9 5 Maintain mode fan and feeder The controller enters this mode if the temperature o...

Страница 31: ...AL12 overheating boiler which the controller automatically exits when the temperature falls below the value set in S17 4 C When the user accepts conditional operations the alarm is swithched off but i...

Страница 32: ...er detects a zero signal from the power supply for two seconds This may be caused by a blown fuse or tripped temperature limiter Button goes to service data and the controller is stopped Alarm 2 Damag...

Страница 33: ...sensor is faulty and stores this as an alarm so the operator must force safe mode again In save mode the controller will continue to operate without the fuel feeder temperature sensor Button continues...

Страница 34: ...not available In safe mode without working returning water sensor the mixer pump is switched off until the sensor is replaced Alarm 9 Fuel feeder not turning damage to reed relay The controller shows...

Страница 35: ...igured with an additional DHW pump and when the Anti legionella function is activated The warning occurs when the temperature in the boiler does not reach 70 C within 120 minutes of activation of the...

Страница 36: ...ding on how it was operating before alarm AL12 was activated Alarm 13 Boiler extinguished The conditions for this alarms operation are checked when service parameter S8 0 or S10 0 A detailed descripti...

Страница 37: ...troller to operate the feeder fan in safe mode the appropriate mode must be chosen from the controller menu for the feeder fan to be connected to the control module In safe mode the feeder must be con...

Страница 38: ...temperature reaches 95C the temperature limiter automatically stops the flow of fuel and air to the combustion chamber the fuel feeder and fan are turned off When the temperature drops to around 200C...

Страница 39: ...c mode it will return to automatic mode according to preset parameters If it was in manual mode it will return to manual mode according to preset parameters If it was in alarm mode it will remain off...

Страница 40: ...anel screen and shows that the function has been disabled in the system operations preview In order to connect the GH21RA controller to the GA03HA room panel Step 1 Step 2 Step 3 Turn off the controll...

Страница 41: ...he boiler or GECO for technical advice If the controller needs to be repaired or serviced remove it completely from the boiler and send it along with its housing to the specified address Sending an in...

Страница 42: ...g cover using a flathead screwdriver Step 4 Disconnect the wires from the terminals remove the cables from the sheaths loosen the cable clamp strip and remove all cables from the outside of the contro...

Страница 43: ...on the product or on its packaging indicates separate collection of waste electrical and electronic equipment This means that the product should not be disposed of with other household waste Proper di...

Страница 44: ...P P U H Geco Sp z o o 32 060 Liszki Poland Cholerzyn 376 tel 012 6369811 6361290 fax 012 6362002 http www geco pl...

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