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ISU-689:2016/GB 

15 

 

 

Error 03 description 

 

Heating water has reached 97°C or thermal 

protection of the heat exchanger (BW1) or (BW2) has been activated.

 

 

 

Error 07 description 

 

Flue gas temperature is too high. Back to 

operation after about 10 minutes since the switching off. Check the 
thermal fuse. In case it is damaged - replace for new one. If not - 
check the wiring.

 

Disconnect from the power supply to reset. 

 

Error 13 description 

 

Permissible number of faults reset has been 

exceeded (5 x within 15min). It is necessary to disconnect and turn 
on again the power again in order to remove the error.   

 

Error 15 and 81 description 

 If, during standby the temperature 

difference on the supply temp. sensor (2.15) and return (2.14) is too 
high, an error E15 is displayed. If after 24 hours of error, temperature 
difference is still out of range, an error E81 is displayed. 

 

Error 16 description 

 Each time the burner ignites, the value read by 

the sensor m

ust change by at least ± 0.25°

C. If the sensor did not 

read the change within 2 minutes, an E16 error is displayed.  

 

Error 17 description 

 Within 24h the value of the read temperature 

m

ust change by at least ± 0.25°

C.  

 

Error 18 description 

 In continuous mode, the temperature 

difference on each sensor is measured if there occurs a temperature 
change on any of the sensors above 30K/s, an error E18 is displayed. 
Sensors should be checked; defective one or both at once should be 
replaced. 

 

Error 21 description 

 An internal control has identified an error of 

ADC transducer. Deleting a lockout will be possible if the internal 
tests do not show the error again. Probably, the transducer is 
damaged and the controller should be replaced. 

 

Error 25 description 

 Software in the microprocessor and EEPROM 

memory are not the same. The controller should be replaced.  

 

Error 34 description 

 The supply voltage has dropped below 157V 

(+/- 10V). 

 

Error 37 description 

 It appears when the pressure in system read 

by the pressure sensor (2.8) is less than 0.5 bar. Check whether the 
system pressure is in the range of 1-1.5bar and complete the 
installation (if it is needed). 

 

Error 80 description 

 Each time the boiler is started, the NTC supply 

and return sensor measures the temperature on both sensors at 
short intervals. I

f the return temperature is higher by 3°

C, the time 

180s is measured. If the return temperature remains higher during 
this time, an error E80 is displayed. 

 

Error 94 description 

 The display in the control panel (2.6) has been 

damaged. Replace the display plate. 

 

Error 95 description 

 For boilers connected in series, the 

temperature sensor in the supply collector (CS) is not connected or 
the sensor is damaged (closed/open). In the case of a single boiler, 
the control console does not receive a signal from the NTC supply 
sensor. Check the electrical connections. 

 

Error 96 description 

 When the P14 parameter is set on a value 

other than zero, the controller does not detect the presence of the 
sensor (closed/open). Please check the sensor (ES) connection. If 
there is no sensor, change the value of P14 parameter to 0.  

 

Error 97 description 

 The system of boilers connected in series in 

the cascade system has changed.  

 

The number of connected boilers has changed. 

 

The sequence of boilers connection has been changed. 

 

The last cascade configuration has failed.  
In order to remove the error, re-configure the cascade. 

 

Error 98 description 

 Communication between boilers connected in 

series in the cascade system has been lost. 

 

The sequence of boilers connection has changed. Re-configure the 
cascade. 

 

The control system has been replaced in one of the cascade boilers.  
Re-configure the cascade. 

 

The wiring has been damaged.

 

Check the wires for serial 

connection of boilers. 

 

There are problems with power supply of one of the boiler. Check 
the power supply and fuses in each boiler. 

 

The control console (2.6) has been damaged. Replace the display 
board in the control console (2.6). 

 

Error 99 description 

 The display in the control console (2.6) can not 

communicate with the controller (2.7). Check the wiring. Replace the 
display board or the controller (2.7). 

 

 

5.4.1. Errors history 

 

Activation of History errors mode takes place after using 

[C]

3sec 

button. In this mode we have access to the last 8 faults. After turning 
on this mode, on the screen appears "bu 0" after 3 seconds. Move to 
the index selection screen takes place after 3 seconds or on demand 
with 

[B] 

button. The screen shows number "H i O" indicating the 

index of the last fault, fault indexes take values from 0 to 7. To switch 
between the indexes faults, use 

[E]

 and 

[D] 

buttons. The selected 

index after 1s. is replaced by an error code. Switch between the 
index and the value of the error code can be made using 

[B] 

button.  

 

 

 

 

 
To complete the History errors mode use 

[C]

3sec 

button.  

 

5.5. Antifreeze function 

 

This function starts the pump when the temperature in CH circuit or 

DHW circuit drops below 8°

C. If t

he water temperature drops to 6°C, 

the burner starts and heats the water until the temperature reaches 

15°

C. The burner's power is set at the lowest level. 

 

5.6. Function to prevent blockage of pump and three-way 
valve 

 

Pump and three-way valve are started at least once in 24 hours for 
about 20 seconds to eliminate the risk of blockage due to a long 
inactivity. 

 

5.7. Break in operation of the boiler  

 

 

leave the boiler connected to the electricity mains;  

 

leave the gas valve and water valve of CH opened; 

 

start the Stand-by mode with 

[A+C]

3sek

 buttons. 

 

If the boiler may stay unused for a longer period of time and the 
above protections will be turned off from operation you should: 

 

disconnect the boiler from the electric mains; 

 

drain the water system of the boiler and also CH system if there is 
possibility of freezing; 

 

close the valve on the water and the gas system. 

 

Summary of Contents for ECOCONDENS CRYSTAL 100

Page 1: ...INSTRUCTION MANUAL INSTALLATION OPERATION AND MAINTENANCE Gas fired condensing central heating boilers SYSTEM BOILERS ECOCONDENS CRYSTAL 80 ECOCONDENS CRYSTAL 100...

Page 2: ...lters are not included in a basic boiler equipment An example of connecting a boiler to these systems is presented on fig 3 5 1 All defects caused by lack of filters on central heating or gas supply w...

Page 3: ...nnecting the boilers in the cascade system 10 4 BOILER ADJUSTMENT AND PRELIMINARY SETTING 10 4 1 INTRODUCTORY REMARKS 10 4 2 ADJUSTING THE BOILER TO COMBUST ANOTHER TYPE OF GAS 11 BOILER CAN BE ADJUST...

Page 4: ...esign and technical specifications of the boiler 2 2 1 Main units of the boiler 2 1 Flue gas water heat exchanger 2 2 Temperature limiter of flue gas 2 3 Temperature limiter of air collector 2 4 Ignit...

Page 5: ...parameter P06 If the heating water temperature exceeds 97 C an additional temperature limiter is activated the burner is turned off until the hot water temperature drops below 81 C The system of conti...

Page 6: ...he boiler from the SUMMER function CH only to the WINTER function CH and DHW A 3sec The entrance to the TEST mode B The reset the displayed error B 3sec Preview of the parameters C Turns on or off the...

Page 7: ...This prepared cables connect according to Fig 3 1 3 1 Fig 3 1 3 1 Wire colors L brown N blue PE yellow green If you need to replace the supply wire use a minimum cord of 3 x 0 75 mm2 The boiler supply...

Page 8: ...ing the back and bottom of the boiler Due to the heavy weight 2 people are required Fig 3 3 1 Mounting dimensions Mounting method on hooks Mounting method with hanger Fig 3 3 2 Mounting method Fig 3 3...

Page 9: ...n are not used as grounding the electrical installation Connect the outlet of safety valves to the floor drain to avoid flooding the room where the boiler is installed as a result of protection device...

Page 10: ...a blowing fan 3 The boiler is designed for cooperation with the flue gas air system with a diameter of 100 flue gas and air and in a collective cascade system where the flue gas exhaust from a single...

Page 11: ...he sum of the lengths of the flue gas air system when the elbow is mounted on the flue gas system or the air supply system to the boiler Table 3 8 3 1 Reduce the length of the installation elbows Exam...

Page 12: ...iler connection with PC MASTER and SLAVE communication connectors are not located in the control console casing Connectors appropriately described are located in bulk inside the boiler Fig 3 9 1 1 Des...

Page 13: ...r in tank EP External cascade pump ES Outdoor temperature sensor CS Temperature sensor in supply collector 3W three way valve Boilers cooperating in the cascade system are connected in series by a cab...

Page 14: ...ctrical installation was made in accordance with applicable regulations the correctness of connections between the boiler and the chimney was checked and confirmed by a qualified chimney service 4 3 B...

Page 15: ...mming mode is switched off 4 5 1 Preview of parameters value You can review the parameter values without the need of change To do this use the B 3sec button After starting LOCAL INSTALLATION mode the...

Page 16: ...ow pressure fill the installation with a filling valve mounted on the installation Start the boiler in the TEST service mode the boiler will start the circulation pump and start the ignition Due to la...

Page 17: ...de The symbol W11 shown on the picture will appear on the screen Press B button to activate the boiler 5 4 Diagnosis When the operation of the boiler will be incorrect the display shows the symbol E a...

Page 18: ...ctrical connections Error 96 description When the P14 parameter is set on a value other than zero the controller does not detect the presence of the sensor closed open Please check the sensor ES conne...

Page 19: ...ont cover 1 Loosen the screws K1 2 Pull the cover behind its lower edge to release from the latches 3 Move the cover up Dismantling the side cover 4 Unscrew the screws K2 5 Move the cover up Fig 6 1 1...

Page 20: ...gas 6 1 3 Thermal protection of the heat exchanger The heat exchanger is equipped with thermal protection BW1 and BW2 protecting against improper assembly of the exchanger If the exchanger is mounted...

Page 21: ...ceeding the limits of temperature protection against exceeding the pressure limits check whether vents are present with correct dimensions and operating according to the installed device In this regar...

Page 22: ...ELV Contact Thermal fuse item 2 2 Supply voltage from the controller SELV Activation temperature 115 C Return NTC sensor item 2 14 Supply item 2 15 Supply voltage from the controller SELV 12K 25 C 363...

Page 23: ...e the power level with D and E buttons by 1 use F button to set the min power or G button to set the max power The PWM signal for the cascade pump is selected according to the operation algorithm of b...

Page 24: ...g 7 2 3 2 1 Diagram of connecting boilers for DHW needs in divided configuration with one three way valve Diagram of connecting 4 boilers two of which are intended for heating DHW Each boiler is equip...

Page 25: ...E n v i r o n m e n t a l p r o t e c t i o n Emission of NOx natural gas Class Class NOx 6 Emissions of nitrogen oxides mg KWh 50 The pH of the condensate natural gas 5 Max amount of condensate natu...

Page 26: ...ly H Flue gas temperature limiter RELAY Relay of the pump 5A ALARM Error information connector PWM PWM pump control G1 Protection against heat exchanger overheating 2xF2 5A Fuses in control panel RT T...

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