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Fondital GIAVA KRB 12, Руководство по установке, использованию и техническому обслуживанию, Страница: 34 / 68

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34

2.7.  

CH circulation pump available head

KRB MODEL 12

KEY
V1 Pump speed I
V2 Pump speed II
V3 Pump speed III

V1

V2

V3

Flow rate (l/h)

0

0

100

200

300

400

500

600

200

400

600

800

1000

Av

ailable head (mbar)

fig. 10

KRB 32

Max. output

Min. output

30% load

Casing heat loss with burner on

%

0.87

5.10

-

Casing heat loss with burner off

%

0.19

Flue system heat loss with burner on

%

2.33

2.00

-

Flue system mass capacity

g/s

15.81

1.87

-

Flue gas temp. – air temp

°C

60

40.5

-

Maximum heat output efficiency rating (60/80°C)

%

96.8

-

-

Maximum heat output efficiency rating (30/50°C)

%

106.2

-

-

Minimum heat output efficiency rating (60/80°C)

%

-

92.9

-

Minimum heat output efficiency rating (30/50°C)

%

-

104.8

-

30% heat output efficiency rating

%

-

-

108.3

Efficiency rating (according to 92/42/EC)

-

NO

x

 emission class

-

6

Table 12 - Combustion specifications, model KRB 32

KRB 28

Max. output

Min. output

30% load

Casing heat loss with burner on

%

1.04

6.13

-

Casing heat loss with burner off

%

0.20

Flue system heat loss with burner on

%

2.26

1.89

-

Flue system mass capacity

g/s

13.93

1.47

-

Flue gas temp. – air temp.

°C

60

45

-

Maximum heat output efficiency rating (60/80°C)

%

96.7

-

-

Maximum heat output efficiency rating (30/50°C)

%

106.0

-

-

Minimum heat output efficiency rating (60/80°C)

%

-

92.0

-

Minimum heat output efficiency rating (30/50°C)

%

-

105.6

-

30% heat output efficiency rating

%

-

-

107.4

Efficiency rating (according to 92/42/EC)

-

NO

x

 emission class

-

6

Table 11 – Combustion specifications, model KRB 28

KRB 24

Max. output

Min. output

30% load

Casing heat loss with burner on

%

0.44

984

-

Casing heat loss with burner off

%

0.21

Flue system heat loss with burner on

%

2.72

2.02

-

Flue system mass capacity

g/s

12.43

1.33

-

Flue gas temp. – air temp

°C

61

33

-

Maximum heat output efficiency rating (60/80°C)

%

96.8

-

-

Maximum heat output efficiency rating (30/50°C)

%

105.6

-

-

Minimum heat output efficiency rating (60/80°C)

%

-

88.1

-

Minimum heat output efficiency rating (30/50°C)

%

-

106.9

-

30% heat output efficiency rating

%

-

-

107.4

Efficiency rating (according to 92/42/EC)

-

NO

x

 emission class

-

6

Table 10 - Combustion specifications, model KRB 24

Содержание GIAVA KRB 12

Страница 1: ...IST 03 C 629 03 INSTALLATION USE AND MAINTENANCE GIAVA KRB 12 24 28 32 EN...

Страница 2: ...uthorised company in full compliance with the prevailing standards the installing company is required by law to issue a declaration of conformity with the current Standards concerning the performed in...

Страница 3: ...them out of the reach of children In the event of failure and or faulty functioning switch off the boiler Do not attempt to make repairs contact qualified technicians Original parts must be used for...

Страница 4: ...on 3 If you do not wish to activate the heating function press the operating mode selection button until it will display the symbol only the DHW function will be enabled 4 If you wish to activate bot...

Страница 5: ...ing data page 32 2 6 General characteristics page 33 2 7 CH circulation pump available head page 34 2 8 Low and high temperature circulation pump available head V versions page 36 2 9 Low and high tem...

Страница 6: ...s page 49 fig 28 KRB wiring diagram page 53 fig 29 KRB V wiring diagram page 55 fig 30 KRB Z wiring diagram page 57 fig 31 Adaptation to other gas types page 60 fig 32 Removing the mixer page 60 fig 3...

Страница 7: ...r temperature setting see paragraphs 1 4 1 5 1 14 2 and parameter setting F Alarm reset and back to the starting page during parameter selection G DHW comfort function enabling and confirm key H Opera...

Страница 8: ...of zone 1 CH programme Edit zone 1 CH programme 12 Current day of the week Edit day of the week 13 Display of zone 2 CH programme Edit zone 2 CH programme 14 Display of water heater programme Edit wa...

Страница 9: ...SUMMER or WINTER mode Water heater enabled DHW function active DHW temperature displayed Boiler switch in WINTER mode or CH ONLY CH function active The flow water temperature is displayed Boiler swit...

Страница 10: ...safety thermostat in mixed zone 2 Flow probe failure in mixed zone 2 Flow probe failure in mixed zone 3 Fan failure Communication failure between peripheral devices zone boards Hydraulic configuratio...

Страница 11: ...C Maximum flow derivative exceeded Maximum return derivative exceeded Flue gas temperature lower than heating return temperature Flue gas maximum threshold exceeded Flue gas maximum derivative exceed...

Страница 12: ...gramming If COMFORT function is enabled icon COMFORT 6 in fig 1 ON press COMFORT button G fig 1 to disable it If COMFORT function is disabled icon COMFORT 6 in fig 1 OFF press COMFORT button to enable...

Страница 13: ...the SUMMER WINTER CH ONLY OFF modes are enabled in sequence At this stage all buttons are enabled When the SUMMER mode is enabled only the DHW production function is active When the CH ONLY mode is en...

Страница 14: ...stored and display standard operation will be restored In the phase in which the icon is flashing only the buttons to adjust the temperature of the DHW are enabled Press the CH and button E fig 1 to...

Страница 15: ...lashing values can be edited by pressing CH and buttons Press ok to confirm the edited value and shift to next parameter press reset to quit the function and go back to starting page Press set to acce...

Страница 16: ...mperature is identified by the symbol while night temperature by the symbol The day temperature is active when bars are on while night temperature is active when bars are off 1 Press set twice to acce...

Страница 17: ...setting mode 2 Press ok to confirm manual programming activation Press reset to go back to the starting page namely to quit the function 1 9 Automatic programme setting The selection of automatic mod...

Страница 18: ...tons to move inside the different times of the day 4 To program other days of the week or to program zone 2 press reset You will go back to the starting page Whatever part of the programme can be quit...

Страница 19: ...ernal probe is installed the flow temperature boiler calculated through the curves on fig 27 will be displayed P33 Displaying of flow temperature set for zone 2 V versions P34 Displaying of flow tempe...

Страница 20: ...conds after no key is touched all the keys but the one around the LCD will be disabled 1 13 Resume boiler function The display shows the failure based on the corresponding error code see paragraph 1 2...

Страница 21: ...on 4 fig 1 and the current CH flow water temperature The burner on symbol 24 fig 1 only shows while the burner is operating The waiting time between one boiler ignition and the following one used to p...

Страница 22: ...ptional Boiler can be connected to a probe measuring the external temperature optional not compulsory supplied by the manufacturer Once the external temperature value is known the boiler will automati...

Страница 23: ...incorrect air flue gas system draught If the air flue gas system malfunctions the boiler shuts down The code E03 flue gas thermostat is displayed flashing on the display Contact a Service Centre or a...

Страница 24: ...fied service engineer to carry out the maintenance The remote control can indicate faults or shut down conditions and can also restore boiler operation after shut down up to a maximum of 3 times in a...

Страница 25: ...emperature zones KRBS 32 Z Condensing boiler with single coil water heater 30 4 kW heat input Version preset for connection to a high temperature zone and two low temperature zones The boilers meet lo...

Страница 26: ...tion function 30 seconds Post circulation function for CH water temperature 78 C 30 seconds Post ventilation function at the end of each operation request the fan continues to operate for 10 seconds S...

Страница 27: ...e KRB C Low temperature CH flow zone 2 versions KRB V and KRB Z D Gas E High temperature CH return zone 1 versions KRB V and KRB Z F Low temperature CH return zone 2 versions KRB V and KRB Z G Low tem...

Страница 28: ...ZONE 2 3 4 F HIGH TEMPERATURE CH RETURN ZONE 1 3 4 E fig 5 1 2 3 4 5 8 9 6 7 LOW TEMPERATURE CH FLOW ZONE 2 3 4 C GAS 1 2 D DHW OUTLET 3 4 I COLD WATER INLET 1 2 L HIGH TEMPERATURE CH FLOW ZONE 1 3 4...

Страница 29: ...10 litre CH expansion vessel 10 CH pump 11 130 litre water heater 12 DHW 6 bar safety valve 13 System discharge cock 14 Zone 1 high temperature pump V and Z versions 15 Zone 2 low temperature pump V...

Страница 30: ...30 fig 8 21 20 Ref no Description 20 CH system filler cock 21 Hydraulic separator...

Страница 31: ...2 Three way motorised deviating valve 12 CH system discharge cocks 3 Automatic gas purging device 13 CH return probe 4 CH system filler cock 14 High temperature zone circulation pump V and Z versions...

Страница 32: ...x min max Methane gas G20 12 0 1 8 11 7 2 1 12 6 1 8 17 5 20 3 05 9 9 3 Propane Gas G31 12 0 1 8 11 7 2 1 12 6 1 8 17 5 37 2 50 10 10 3 Table 4 KRB 12 model adjustment rates KRB 24 Type of gas CH max...

Страница 33: ...D X5D Total boiler weight Kg 165 166 167 168 Methane gas consumption at maximum CH output m3 h 1 27 2 51 2 79 3 22 Propane gas consumption at maximum CH output Kg h 0 93 1 84 2 05 2 36 Maximum CH work...

Страница 34: ...t loss with burner off 0 20 Flue system heat loss with burner on 2 26 1 89 Flue system mass capacity g s 13 93 1 47 Flue gas temp air temp C 60 45 Maximum heat output efficiency rating 60 80 C 96 7 Ma...

Страница 35: ...fig 11 1200 KRB MODEL 28 KEY V1 Pump speed I V2 Pump speed II V3 Pump speed III V1 V2 V3 Flow rate l h 0 0 100 200 300 400 500 600 200 400 600 800 1000 Available head mbar fig 12 KRB MODEL 32 KEY V1...

Страница 36: ...TEMPERATURE CIRCULATION PUMP HEAD 0 0 100 200 300 400 500 Available head mbar Flow rate l h 600 800 1000 200 400 fig 15 V3 V2 V1 KEY V1 Pump speed I V2 Pump speed II V3 Pump speed III 1200 1400 600 7...

Страница 37: ...2 V1 KEY V1 Pump speed I V2 Pump speed II V3 Pump speed III 1200 1400 ZONE 2 LOW TEMPERATURE CIRCULATION PUMP HEAD 0 0 Available head mbar Flow rate l h 600 800 1000 200 400 fig 18 V3 V2 V1 KEY V1 Pum...

Страница 38: ...and position it on the floor taking care not to damage it adjust the supporting feet ensuring that the boiler is stable provide a condensate drain see fig 26 and an outlet for the 3 bar and 6 bar safe...

Страница 39: ...cted or inadequately sized to vent the flue gases correctly into the atmosphere For the air intake flue gas venting systems specific manufacturer approved condensate acid resistant pipes and systems m...

Страница 40: ...er heat exchanger C43 installation type Boiler intended for connection to collective chimney pipe system that includes two ducts air intake and flue gas exhaustion These ducts may be coaxial or split...

Страница 41: ...maximum permissible length The air intake duct is to be tilted down by 1 toward its exit in order to avoid rain water to enter it C33 installation type 12 kW Minimum permissible length of vertical co...

Страница 42: ...discharge pipes is 84 meters combined length of air intake and flue gas discharge pipe length For each additional 1 meter of straight pipe maximum permissible length is to be reduced by 1 meter For e...

Страница 43: ...ble length by 5 5 meters 3 2 5 4 Air intake and flue gas venting via 60 mm split pipes Installation types C43 C53 C83 12 kW 24 kW 28 kW 32 kW Minimum permissible length of air intake pipe is 1 meter M...

Страница 44: ...eter is being edited the broom the H letter indicating Hertz the speed set point value in Hz the fan current speed and the lit flame on symbol if burner is on As soon as the DHW and key is released ag...

Страница 45: ...nts and damage the pump and the heat exchanger see paragraph 3 2 3 CH In the version without zones the CH flow and return pipes must be connected to the boiler through the relevant fittings as shown i...

Страница 46: ...switch is to allow power supply cut off in order to safely perform maintenance and service procedures Power supply to the boiler must be fitted with a residual current circuit breaker having suitable...

Страница 47: ...connections may be inverted Do not connect the remote control to mains electrical power 230 V 50 Hz For complete instructions on how to program the Remote Control refer to the instruction manual incl...

Страница 48: ...d on an outside wall facing NORTH NORTH EAST in a position protected from weather Do not install near a window ventilation openings or sources of heat The external temperature probe automatically modi...

Страница 49: ...lay the curves shift up or down respectively by the same amount With a calculated ambient temperature setting of 20 C for example if you select the curve corresponding to parameter 1 and the outdoor t...

Страница 50: ...W 25 P10 TSP10 CH curves 0 3 1 5 P11 TSP11 Heating thermostat timing 0 10 min 4 P12 TSP12 CH power rising ramp timer 0 10 min 1 P13 TSP13 Timer for CH post circulation freeze protection and flue clean...

Страница 51: ...e 1 02 TA2 zone 2 remote zone 1 03 SA1 zone 1 TA2 zone 2 04 SA1 zone 1 SA2 zone 2 05 remote zone 1 SA2 zone 2 06 zone 1 not managed SA2 zone 2 07 TA1 zone 1 SA2 zone 2 P62 Selection of zone 2 curve 0...

Страница 52: ...of the pump motor put a screwdriver into the hole and manually rotate the circulation pump shaft clockwise once the unblocking operation is completed screw the protective cap back on and check for wa...

Страница 53: ...CN_A ACC1 CN_I CN_M CN_L CN_J CN_D CN_B CN_C JP1 X14 1 2 3 4 P VG MDV V r d b u p k b k b n X4 X3 X5 CN_L CN_I CN_M CN_A CN_E CN_D E SRT Conn_F Conn_E Conn_C Conn_B Conn_A Conn_D CN_J 1 4 SBC X2 N Fn...

Страница 54: ...emote control 0SONDAES01 external probe to be used with 0CREMOTO04 remote control PANEL ELECTRICAL CONNECTIONS 1 2 ambient thermostat contact 2 3 4 ambient thermostat contact 1 or opentherm 5 6 extern...

Страница 55: ...N_I CN_M CN_A CN_E CN_D E SRT Conn_F Conn_E Conn_C Conn_B Conn_A Conn_D CN_J 1 4 SBC X2 N F n a F n c 230V a c N L 1 bk rd bu bu bn ygn A RS485 B RS485 GND 0SCHEZON01 A RS485 B RS485 GND 1 2 3 4 5 9 8...

Страница 56: ...rol PR1 zone 1 circulation pump PR2 zone 2 circulation pump SM mixed zone flow probe TSM mixed zone flow safety thermostat 0SCHEZON01 zone management board PANEL ELECTRICAL CONNECTIONS 1 2 ambient the...

Страница 57: ..._D CN_J 1 4 SBC X2 N F n a F n c 230V a c bk rd bu A RS485 B RS485 GND 0SCHEZON01 A RS485 B RS485 GND 1 2 3 4 15 14 13 12 11 10 5 16 9 8 7 6 1 2 3 4 5 11 10 9 8 7 6 16 15 14 13 12 PR3 MDV PR1 A RS485...

Страница 58: ...pump PR2 zone 2 circulation pump PR3 zone 3 circulation pump SM mixed zone flow probe TSM mixed zone flow safety thermostat 0SCHEZON01 zone management board PANEL ELECTRICAL CONNECTIONS 1 2 ambient t...

Страница 59: ...with the retaining screws Take care not to damage the O rings assembled on plastic body ends fig 33 and to respect the assembling direction fig 34 Refit the reassembled mixer onto the fan with the soc...

Страница 60: ...and set the P0 P4 P5 P6 P7 P8 parameters based on the power and on the gas as specified in tab 14 Set the flue CO2 rate by turning the ratio adjuster B fig 35 and ensure that reading falls within the...

Страница 61: ...9 3 24 kW Propane gas 10 28 kW Methane gas 9 0 9 3 28 kW Propane gas 10 10 3 32 kW Methane gas 9 0 9 3 32 kW Propane gas 10 Table 17 CO2 rates DIAMETER OF NOZZLES DIAPHRAGMS mm Methane gas Propane gas...

Страница 62: ...e mains gas type is correct for the boiler calibration convert the boiler to the available gas when necessary see paragraph 3 6 this operation must only be performed by qualified technical personnel t...

Страница 63: ...the boiler in general check for water leaks and oxidised areas on the boiler s couplings check efficiency of the system safety valves check CH and DHW expansion vessel filling pressure check water hea...

Страница 64: ...uction and eliminate Flue gas thermostat is faulty Replace it E04 CH system water pressure is low The system is leaking Check system Pressure transducer is disconnected Reconnect it Pressure transduce...

Страница 65: ...Replace them Obstructed bypass pipe Remove any obstructions or replace the pipe The bypass valve is not assembled or wrongly assembled Restore bypass valve correct assembling Heat exchanger primary ci...

Страница 66: ...66...

Страница 67: ...67...

Страница 68: ...878 31 Fax 39 0365 878 304 e mail info fondital it www fondital com The manufacturer reserves the right to modify his her products as deemed necessary without altering the basic characteristics of th...

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