Devex X Boiler BD 23, Instruction Manual

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Instruction Manual
6
1. INTRODUCTION ...................................................................................................................................................................................................................................7
2. BOILER DESCRIPTION
......................................................................................................................................................................................................................7
2.1 TECHNICAL SPECIFICATION ...............................................................................................................................................................................................7
2.2 COMPONENTS OF THE BOILER ........................................................................................................................................................................................7
2.1.1 Main units of the boiler ...........................................................................................................................................................................................................9
2.2.2 Technical data ................................................................................................................................................................................................................ 10
2.3 EQUIPMENT PROTECTION ............................................................................................................................................................................................... 10
2.4 OPERATION DESCRIPTION ............................................................................................................................................................................................... 10
2.4.1 Way of heating the water for central heating system ................................................................................................................................... 10
2.4.2 Temperature regulation dependent on external temperature .................................................................................................................. 11
2.4.3 The way of heating the water in system X BOILER cooperating with domestic water tank .......................................................... 11
2.4.4 Operation of the pump with adjustable speed .................................................................................................................................................. 12
3. BOILER INSTALLATION ................................................................................................................................................................................................................. 14
3.1 REQUIREMENTS OF BOILER INSTALLATION ........................................................................................................................................................... 14
3.1.1 The regulations on the water installation, gas and the flue gas system ................................................................................................. 14
3.1.2 Regulations related to the room ............................................................................................................................................................................ 14
3.1.3 Requirements for electrical installation ............................................................................................................................................................. 14
3.2 PRELIMINARY CHECK ACTIVITIES ................................................................................................................................................................................ 15
3.3 MOUNTING THE BOILER ON THE WALL .................................................................................................................................................................... 15
Fig. 3.3.1 Installation dimensions of X BOILER .......................................................................................................................................................... 15
3.4 MOUNTING THE OUTDOOR CASING .......................................................................................................................................................................... 16
3.5 CONNECTION TO THE GAS INSTALLATION ............................................................................................................................................................. 16
3.6 CONNECTION OF THE BOILER TO A WATER SYSTEM OF CENTRAL HEATING ..................................................................................... 18
Fig. 3.6.1 Boiler installation requirements .................................................................................................................................................................... 18
3.6.2 System cleaning and water treatment for the C.H. filling .......................................................................................................................... 19
3.7 CONNECTION OF THE BOILER TO A DOMESTIC HOT WATER SYSTEM .................................................................................................... 19
3.8 CONDENSATE OUTLET ....................................................................................................................................................................................................... 19
3.9 FLUE GAS OUTLET ................................................................................................................................................................................................................. 19
3.9.1 Horizontal outlet of air-flue system through the wall or on the roof ...................................................................................................... 20
3.9.2 Vertical outlet of air-flue gas system through the roof ................................................................................................................................. 21
3.9.3 Reduction of the maximum length of the air-flue system by changing the flow direction ....................................................................... 21
3.10 CONNECTION OF ADDITIONAL DEVICES ................................................................................................................................................................ 21
Fig. 3.10.1 Electrical terminals of controller - a back view ...................................................................................................................................... 21
3.10.2 Connection of a room temperature regulator ............................................................................................................................................. 22
3.10.2.2 Connecting the outside temperature sensor ............................................................................................................................................. 22
4. BOILER ADJUSTMENT AND PRELIMINARY SETTING
.................................................................................................................................................. 22
4.1 INTRODUCTORY REMARKS ............................................................................................................................................................................................. 22
4.2 ADJUSTING THE BOILER TO COMBUST ANOTHER TYPE OF GAS ................................................................................................................ 22
4.3 BOILER ADJUSTMENT ......................................................................................................................................................................................................... 23
4.3.1 Gas flow regulation in the boiler (without using the flue gas analyser) ................................................................................................. 23
4.3.2 Adjustment of the boiler with a gas analyser .................................................................................................................................................... 24
4.4 FAN CHARACTERISTICS ..................................................................................................................................................................................................... 24
Fig. 4.4.1 Characteristics of the fan-type NG40M ..................................................................................................................................................... 24
5. START UP AND OPERATION OF THE X BOILER
............................................................................................................................................................... 24
5.1 INITIAL START UP OF THE X BOILER ............................................................................................................................................................................ 24
5.2 OPERATION OF THE X BOILER ........................................................................................................................................................................................ 24
5.3 OPERATING MODES OF THE CONTROLLER ............................................................................................................................................................ 26
5.4 BOILER ADJUSTMENT ......................................................................................................................................................................................................... 26
5.4.1 Signalisation of the start of heating in CH or DHW system ....................................................................................................................... 27
5.4.2 Signalisation of anti-freezing function operation in STAND BY mode ................................................................................................... 27
5.4.3 Displaying the water pressure in CH Installation ........................................................................................................................................... 27
5.4.4 Displaying parameters ............................................................................................................................................................................................... 27
5.4.5 DHW heating blockade indicator for one-function boilers ........................................................................................................................ 27
5.4.6 Support the venting of heating system ............................................................................................................................................................... 27
5.5 CHANGING THE CH OR DHW TEMPERATURE SETTINGS ................................................................................................................................. 27
5.5.1 Temperature settings in CH circuit ........................................................................................................................................................................ 27
5.5.2 Temperature settings in DHW circuit ................................................................................................................................................................... 28
5.6 CONTROLLER CONFIGURATION - BOILER PARAMETERS SETTING ........................................................................................................... 28
5.6.1 Programming Mode entering .................................................................................................................................................................................. 30
5.7 PAUSE IN BOILER OPERATION ........................................................................................................................................................................................ 30
5.8 DIAGNOSIS ................................................................................................................................................................................................................................ 30
5.8.1 Signalisation of error codes during the emergency procedures implementation ........................................................................................ 30
5.8.2 Signalisation of error codes in emergency situations without locking ................................................................................................... 30
5.8.3 Signalisation of emergency switching off with locking ................................................................................................................................. 30
5.8.4 Error list ........................................................................................................................................................................................................................... 30
6. MAINTENANCE, INSPECTIONS, CHECKING OF THE OPERATION
......................................................................................................................... 32
6.1 INSPECTION AND MAINTENANCE ............................................................................................................................................................................... 32
6.1.1 Maintenance of the combustion chamber, burner, electrode .................................................................................................................... 32
6.1.2 Cleaning the condensate siphon ............................................................................................................................................................................ 32
6.1.3 The pressure in the expansion vessel ................................................................................................................................................................... 33
6.1.4 Maintenance of the flue-water heat exchanger, item 21 ............................................................................................................................. 33
6.1.5 Checking the temperature sensors ....................................................................................................................................................................... 33
6.1.6 Checking the water pump operations .................................................................................................................................................................. 33
6.1.7 Ionisation current measurement ........................................................................................................................................................................... 34
6.2 REPLACING A DAMAGED CONTROL BOARD IN THE CONTROL PANEL ................................................................................................... 34
6.3 THE MAINTENANCE OPERATIONS TO BE PERFORMED BY THE USER ..................................................................................................... 35
6.4 RANGE OF TECHNICAL MAINTENANCE PERFORMED BY SERVICE COMPANY ................................................................................... 36
7. BOILER EQUIPMENT
....................................................................................................................................................................................................................... 36