Daikin D2CND024A1AA, Руководство по обслуживанию

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D2CND0 D2CND0 D2TND0
D2TND0 D2TND024A4AA
Wall-mounted condensing boiler
ESIE17-09 / 2017.11
Servicing manual
3
Table of Contents
Table of Contents
1 GENERAL INFORMATIONS
4
1.1 Symbols on the package ......................................
4
1.2 Safety instructions ...............................................
4
2 APPLIANCE INFORMATIONS
4
2.1 Safety systems of the appliance .........................
4
2.2 Dimensions ...........................................................
5
2.3 Appliance structure and components
................
6
2.4 Technical Specification ........................................
7
2.5 Wiring diagram ......................................................
8
3 MAINTENANCE
9
3.1 Maintenance work to be carried out annually ....
9
3.2 Important notes .....................................................
9
3.3 Spare parts ............................................................
9
3.4 Checking the connections and piping ................
9
3.5 Condensate Trap Cleaning
..................................
9
3.6 Minimum Installation Clearances .......................
10
4 PART REPLACEMENT
10
4.1 Draining the Boiler
.............................................
10
4.1.1 Central Heating Circuit ........................................
10
4.1.2 Domestic Hot Water Circuit ...............................
10
4.2 Opening the Appliance ........................................
11
4.3 Cable Group Removal .........................................
12
4.4 Fan Group Removal
.............................................
14
4.5 Heat Exchanger and Burner Removal ..............
15
4.5.1 Heat Exchanger Cleaning ...................................
17
4.5.2 Burner Cleaning ...................................................
17
4.6 Return Hydroblock( Pump Group) Removal .....
17
4.6.1 3 Way Valve Motor (Stepper Motor) Removal
...
18
4.6.2 Water Pressure Sensor Removal .....................
19
4.6.3 Flow Limiter removal (Only combi models) ....
19
4.7 Flow Hydroblock Replacement ..........................
19
4.7.1 Domestic Hot Water (DHW) NTC Sensor
Removal (Only combi models)
...........................
19
4.8 Syphon Part Removal ..........................................
20
4.9 Plate Heat Exchanger Removal
(Only combi models) ...........................................
20
4.10 Expansion Vessel Removal ................................
21
4.11 PCB Removal
.......................................................
22
4.11.1 Daikin Eye and Push Button Removal ...............
22
4.11.2 Terminal (X1M) Removal .....................................
22
5 INSTALLATION INFORMATIONS
23
5.1 Filling the System With Water ............................
23
5.2 Converting For Use With a Different Type of
Gas ........................................................................
23
5.3 Combining the Boiler With Options ...................
24
6 COMMISSIONING
24
6.1 To fill the condensate trap ..................................
24
6.2 Gas-air ratio: No need to adjust .........................
25
6.3 To check for gas leakage
....................................
25
6.4 To commission the unit .......................................
25
6.4.1 To commission the central heating ....................
25
6.4.2 To commission the central heating
capacity setting ....................................................
25
6.4.3 To commission the domestic hot water
............
25
7 OPERATION
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7.1 User interface .......................................................
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7.1.1 Buttons and Dials
................................................
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7.1.2 LCD screen ...........................................................
26
7.1.3 Status icons .........................................................
26
7.1.4 Daikin Eye .............................................................
26
7.1.5 Stand-by ...............................................................
26
7.1.6 Flame
....................................................................
26
7.1.7 Error ......................................................................
26
7.2 Operating The Appliance ...................................
27
7.2.1 Low Water Temperature Function ......................
27
7.2.2 Electronic Gas Adaptive System Calibration ...
27
7.3 Basic use ..............................................................
27
7.3.1 Home Screen ........................................................
27
7.3.2 Selecting Operation Mode ..................................
27
7.4 Description of the Operation Modes ..................
27
7.4.1 Stand-by Mode .....................................................
27
7.4.2 Summer Mode ......................................................
27
7.4.3 Winter Mode .........................................................
27
7.4.4 Central Heating Only Mode .................................
27
7.4.5 Full Off Mode ........................................................
27
7.5 Changing Temperature Setpoints ......................
28
7.6 Central Heating Operation Modes ......................
28
7.6.1 Boiler Only ............................................................
28
7.6.2 Combination with Daikin opentherm
room thermostat (DOTT) .....................................
28
7.6.3 outdoor sensor
(Weather compensation) ....................................
28
7.6.4 Central Heating (CH) ECO Mode ........................
29
7.7 Domestic hot water operation ............................
29
7.7.1 Domestic Hot Water (DHW) Comfort Mode .......
29
7.8 Boiler Frost Protection .......................................
29
7.9 Error Handling ......................................................
29
7.10 Menu Functions ...................................................
30
7.10.1 Info Menu ..............................................................
30
7.10.2 User settings menu ...........................................
31
7.10.2.1 Detailed Explanations of User Parameters .......
31
7.10.3 Installer Settings Menu .......................................
32
7.10.3.1 Service Parameters (P) .......................................
32
7.10.3.2 Detailed Explanations of Service Parameters ...
32
7.10.3.3 Entering Service Parameters (P) ........................
33
7.10.3.4 Select P00 to reach service parameters (P). .....
33
7.10.4 DHW Solar Function ............................................
34
7.10.4.1 DHW solar function logic ....................................
34
7.10.5 Connecting the Appliance to Underfloor
Heating (UFH) System .........................................
34
7.10.6 Weather Compensation .......................................
34
7.10.6.1 Weather compensation calculation ...................
35
7.10.6.2 Effect of Heating Slope to CH Temperature ......
35
7.10.7 Scot Parameters (C) Safety combustion
technology system ..............................................
35
7.10.7.1 Detailed Explanations of C Parameters .............
35
7.10.7.2 Entering SCOT Parameters .................................
36
7.10.8 Manual SCOT calibration ....................................
37
7.10.9 Error Parameters (E) ............................................
37
7.10.10 Sweeper Mode ......................................................
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8 SAFETY OPERATION FUNCTIONS
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8.1 Low Water Temperature (LWT) Function .........
38
8.2 Temperature Gradient Supervision ...................
38
8.3 Pump Control For By-pass Opeariton ...............
39
8.4 Supervision Flow/Return Temp.
(Delta-T control) ...................................................
39
9 OPTIONAL PARTS
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9.1 Boiler Chip Card (BCC) .......................................
39
9.1.1 Spare Part PCB ....................................................
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9.1.2 BCC installation procedure ................................
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9.1.3 Plugging wrong BCC ...........................................
40
9.1.4 Error during Parameter-transfer .........................
40
9.1.5 Re-installing an already installed BCC ..............
40
10 TROUBLESHOOTING
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