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Summary of Contents for Junkers Ceraclass midi ZS 24-2 DH AE 23
- Page 1 Machine Translated by Google Installation and operation manual Junkers Ceraclass midi ZS 24-2 DH AE 23 ZS 24-2 DH AE 31 ZW 24-2 DH AE 23 ZW 24-2 DH AE 31...
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Page 2: Table Of Contents
Machine Translated by Google content content Gas regulation Safety instructions and symbols Safety instructions Factory settings Service module Explanation of symbols Domestic water heating 7.3.1 Adjustment method by measuring the nozzle pressure 24 7.3.2 Volumetric adjustment method 26 Power plant information 7.4 Heating power 26 EC declaration of conformity for type with approved sample / EC certification 7.4.1 Adjustment method by measuring the nozzle pressure 26... -
Page 3: Safety Instructions And Symbols
Machine Translated by Google Safety instructions and symbols Safety instructions and symbols 1.2 Explanation of symbols 1.1 Safety instructions Warning: The smell of gauze: The text safety instructions appear on a gray B Close the gas supply valve. background and are marked on the side with B The windows open. -
Page 4: Power Plant Information
Machine Translated by Google Power plant information 2 Boiler information 2.1 EC declaration of conformity for type with approved • Flow restrictor set 74, 75, 76, 78, 80 and 83 mm sample / EC certification • Central documentation www.imoca.ro This plant complies with the requirements of European Directives www.revizie-centrala-termica.ro 90/396 / EEC, 92/42 / EEC, 73/23 / EEC, 89/336 / EEC and corresponds to the approval sample described... -
Page 5: Size
Machine Translated by Google Power plant information 2.6 Dimensions Fig. 1 36 The face Control panel Wall mounting bracket FIG. 2 Top view 6 720 608 487... -
Page 6: Functional Diagram Zs
Machine Translated by Google Power plant information 2.7 Functional diagram ZS ... Fig. 3 Ignition electrode Heating system tour Ionization electrode 62 Circulation pump with automatic aerator Burner Ventilator Nozzle 3-way motorized valve Burner gas pressure measuring nozzle Differential pressure switch 7b Gas connection pressure measuring nozzle Flow temperature sensor 19 MAX gas adjusting screw... -
Page 7: Functional Diagram Zw
Machine Translated by Google Power plant information 2.8 Functional diagram ZW ... Fig. 4 Ventilator Ignition electrode Ionization electrode 64 Motorized 3-way valve Burner Differential pressure switch Nozzle Flow Temperature Sensor (NTC) Return Temperature Sensor (NTC) Burner gas pressure measuring nozzle Detector debit Gas connection pressure measuring nozzle Automatic aerator... -
Page 8: Electrical Wiring
Machine Translated by Google Power plant information 2.9 Electrical wiring The control unit activates the ignition system when the gas valve (18) is opened: • At the two ignition electrodes a high voltage spark (2), which ignites the gas-air mixture. •... - Page 9 Machine Translated by Google Power plant information • The room temperature is lower than that set in the room thermostat (TR12). • The boiler is in operation and the room temperature is lower than that set in the thermostat ambient (TRZ12-2 / TR15RF). •...
- Page 10 Machine Translated by Google Power plant information 2.12 Technical data ZS / ZW 24 DH AE unity Power Domestic hot water Rated payload 7,0 - 24,0 Power supplied 8,4 - 26,5 Central heating system 10,0 - 24,0 Rated payload at ÿt = 26 grd. Celsius Power supplied 11,9 - 26,5 Gas connection values...
- Page 11 Machine Translated by Google Power plant information ZS / ZW 24 DH AE unity Minimum working pressure 0,35 l/min 11,8 Water flow (D) for ÿT = 30K, according to EN6251 Overview 700 x 400 x 298 Dimensions (H x W x H) Weight, no packaging Electrical voltage V ca...
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Page 12: Standards
Machine Translated by Google Standards 3 Standards When installing the plant, the following directives and regulations will be observed: • Normative for the design and execution of systems natural gas supply I 6-98 • Norm for the operation of natural gas supply systems I 6 / 1-98 •... -
Page 13: Installing
B Do not use heaters or galvanized pipes. This prevents 4.2 Choosing the location the formation of gases. B If you are installing Junkers room thermostats Provisions regarding the location of the plant (TR 12, TRZ 12-2, TR 15 RF, EU 9 D) and thermostatic B The rules and directives in force will be observed. -
Page 14: Minimum Distances
Machine Translated by Google Installing 4.3 Minimum distances B Check the orientation and position of the stand for fixing to the wall, then tighten all screws. The following conditions will be taken into account when determining the location: B The maximum distances from all surface unevenness (hoses, pipes, wall protrusions, etc.) must be observed. - Page 15 Machine Translated by Google Installing B Remove the plugs from the gas and water connections. B To remove the control panel completely, when it is positioned as in Fig. 10, get up and pull forward. Removing the control panel and jacket For electrical safety reasons, the jacket and control panel are secured against unauthorized removal with two screws.
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Page 16: Installing The Accessory Drawer
Machine Translated by Google Installing B Check all gaskets for proper positioning - finally tighten the Dutch pipe Warning: connection nuts. Rolling diaphragm to be must be chosen according to Connecting flue gas accessories flue gas length (see instructions for flue gas fittings). -
Page 17: Checking The Links
Machine Translated by Google Installing B Ventilate the boiler with the automatic aerator built-in (see Fig. Fig. 18). FIG. 16 Placing the drawer B Secure the drawer to the boiler by placing the levers in position initial. 4.8 Checking the connections Water connections FIG. -
Page 18: Electrical Connections
Machine Translated by Google Electrical connections 5 Electrical connections 5.2 Connecting the heater controller Danger: Danger of electric shock! B Fold down the control panel (see fig. 10). B The power supply to the boiler will be B The junction box opens. always disconnected before interventions on the electrical part (fuses, switch). - Page 19 Machine Translated by Google Electrical connections Room thermostat B Remove the jumper between terminals 1 - 4 (Fig. 19, item 83). B Connect the room thermostat TR 12, TRZ 12-2. Fig. 22 TR 15 RF Fig. 20 TR 12 Fig. 23 EU 9 D Fig.
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Page 20: Zs Models
Fig. 24 There is also the possibility of connecting a regular boiler. For this, ask the Junkers service technicians for the kit adaptation required. The kit consists of an NTC sensor with a cable and a connection plug to the printed circuit board. -
Page 21: Commissioning Before
Machine Translated by Google Putting into service 6 Commissioning Boiler (rear view) Boiler (bottom view) Fig. 25 6.1 Before commissioning 34 LED - (ON) warning light (flashes in case of fault) 42 Digital display Caution: Main switch B Do not use the boiler unless it has Emergency key been filled with water. -
Page 22: Boiler Switching On The Heating System
Machine Translated by Google Putting into service B The radiator valves open. to adjust the flow B Turn the thermostat on temperature to the heating system (between 45 ÿC and 88 B The maintenance valves open. ÿC). B Open the filling valve (38) and fill The digital display now shows this flashing and, slowly the heating system at a pressure between 1 and 2... -
Page 23: Hot Water Boiler Temperature Control (Zs Models
Machine Translated by Google Putting into service 6.5 Adjusting the temperature of the hot The domestic hot water flow is approx. 10 l / min. water boiler (ZS models ..) Setting the controller Water temperature Warning: approx. 40 ° C It rotates counterclockwise risk of scalding! pray... -
Page 24: Gas Regulation
Machine Translated by Google Gas regulation 7 Gas adjustment B Press the emergency key for at least 2 seconds Danger: to save the settings made. The LED and display flash. B The settings described below can only be Other adjustments can be made in service mode. made by a authorized technician. - Page 25 Machine Translated by Google Gas regulation B Loosen the sealing screw (7a) and connect the pressure gauge to the B Close the gas valve, remove the U-shaped pressure gauge and re-screw the sealing screw (7b). measuring nozzle. B Secure the control panel back in place safety screws.
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Page 26: Volumetric Adjustment Method
Machine Translated by Google Gas regulation 7.3.2 Volumetric adjustment method B Check the clockwise adjustment and the respective temperature controller When supplying liquefied air-gas mixtures at counterclockwise, up to the limit, and if necessary they will times of maximum consumption, the adjustment correct. -
Page 27: Volumetric Adjustment Method
Machine Translated by Google Gas regulation B Save the settings (see chapter 7.2). B Check the burner pressure and adjust if it is necessary. Maximum heating power adjustment B Shuts down the boiler to exit service mode. B Turn the temperature knob completely in B Switch off the gas valve, remove without prayer. -
Page 28: Transformation To Another Type Of Gas
Machine Translated by Google Gas regulation B Remove the control panel. B Remove the jacket. Caution: If the desired value is exceeded during the power B Remove the protective cover by releasing the four adjustment, turn the temperature controller to its clamps. -
Page 29: Emptying The Heating System Commissioning After Maintenance
ISCIR authorized technician for the JUNKERS brand in Operation control the thermal field. B Check the operation of all components B Only genuine Junkers spare parts will be used. safety, regulation and control. B Spare parts will be ordered based on the list of Heat exchanger spare parts. -
Page 30: Fault Diagnosis Mode 8.4.1 Eco / Quick- Acting Valve 8.4.2 Summer Operation
Machine Translated by Google Maintenance 8.2 Emptying the heating system On the left, position 01. right, position 21 Domestic water circuit B The service gas valve is closed. plant Parameter display B The hot water consumers supplied by central. ECO Mode/Quick tap adjustment Heating circuit Summer operation... -
Page 31: Differential Pressure Switch
Machine Translated by Google Maintenance Storing settings 8.4.6 Temperature on the return sensor B Turn the thermostat to B Press and hold the emergency key for at least 2 seconds until obtained on the display to record the settings. Digital display instruction "06". -
Page 32: Blower 8.4.15 Ionisation
Machine Translated by Google Maintenance 8.4.12 Gas adapter valve 8.4.18 Pump test B Turn the thermostat to "13". B Turn the thermostat to until obtained on the display until obtained on the display instruction "19". central Adapter valve status information. Depending on the position of the thermostat, perform a pump test. -
Page 33: Malfunctions
Machine Translated by Google malfunctions 9 Faults Installation, maintenance and repairs should only be performed by authorized personnel. In the following table you can find various ways to fix possible faults (solutions marked with * should only be performed by authorized personnel). Possible cause Solution displays... - Page 34 Machine Translated by Google malfunctions Possible cause displays Solution Excess temperature in the primary circuit Pump stopped. Insufficient water flow for Check the temperature hole on current requirements. tur - NTC Check that the combustion chamber and / or heat exchanger are full limestone.
- Page 35 Machine Translated by Google 6 720 608 487...
- Page 36 Machine Translated by Google S.C. Robert Bosch S.R.L. Thermotechnical Department Str. Horia Macelariu Nr. 30 - 34 013937 Bucharest www.bosch-romania.ro...
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Questions and answers
Купил форсунки для котла Юнкерс zw23 для природного газа,так как у меня переделан на жидкими балконный газ.Фосунки двух номиналов 115 и120 ,,могу ошибаться,,14 шт, порядок их установки меня интересует.
The installation order for the injectors of the Junkers Ceraclass midi ZS 24-2 DH AE 23 boiler when converted for liquid gas is not specified in the provided context.
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