Junkers CeraclassExcellence ZSC 24-3 MFA User manual

F
ZWC 28-3 MFA ZWC 24-3 MFK EZWC 35-3 MFA
ZSC 24-3 MFKZSC 24-3 MFA
ZWC 24-3 MFA ZWC 24-3 MFK
ZWC 28-3 MFK
CeraclassExcellence
Bosch Thermotechnology nv/sa
TEL: [phone]
2630 ARCSELAAR
Kontichsesteenweg 60
FAX: [phone]
User manual
6 720 660 245 (2015/06 BL-FR)
German version available on request
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1. General safety instructions
Failure to follow these instructions may result in material
damage, bodily injury or fatal accidents.
This instruction manual is intended for the user operating
the heating installation. The instructions in all notices must
be followed.
ÿ Observe the safety and warning instructions.
ÿ Read the instructions for use (device, regulation, etc.)
before use and keep them.
Any other use is not intended. Any resulting damage is
excluded from the warranty.
The product must only be used for the production of
heating water and domestic hot water in closed hot water
loop systems intended for private use.
6 720 660 245 (2015/06 BL-FR)
Intended use
2
Instructions for users
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Danger to life due to poisoning by combustion
products Leaking combustion products can lead to
fatal accidents. In the event of damaged or leaky flue
pipes or in the event of the smell of combustion
products, respect the following rules of conduct.
3
Behavior if you smell gas There is a
risk of explosion if gas leaks. If you smell gas, observe
the following rules of conduct!
- Do not smoke, do not use lighters or matches.
ÿ Switch off the heat generator.
- Do not operate any electrical switch, do not
ÿ Open doors and windows.
disconnect from connector.
- Do not telephone or ring the doorbell.
ÿ If necessary, warn all inhabitants and leave the
ÿ Close the gas supply on the main shut-off valve or on the gas meter.
building.
ÿ Warn all residents and leave the building.
ÿ Open doors and windows.
ÿ Prevent access of third parties to the building.
ÿ Prevent access of third parties to the building.
ÿ Inform an installer or an authorized after-sales service.
ÿ Have defects rectified immediately.
ÿ Avoid the formation of flames or sparks:
ÿ Call the fire department, police and gas supplier from a telephone outside
the building!
6 720 660 245 (2015/06 BL-FR)
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Alterations and repairs Improper
alterations to the heat generator or other parts of
the heating installation can lead to personal injury
and/or property damage.
Inspection and
maintenance Inadequate or lack of cleaning,
inspection or maintenance can cause property damage
and/or bodily injury, or even danger of death.
4
ÿ Remedy any faults immediately.
ÿ Never block the outlets of the safety valves! Heating installations with
domestic hot water tank: during heating up, water may leak through
the safety valve of the domestic hot water tank.
annual inspection and personalized maintenance with an authorized
technician.
ÿ Have this work carried out exclusively by an approved
professional.
ÿ Have the heating installation inspected once a year by an authorized
professional and have the necessary maintenance and cleaning work
carried out.
ÿ Never remove the casing of the heat generator.
ÿ Have the heat generator cleaned at least once every two years.
ÿ Do not make any modifications to the heat generator or other parts of
the heating system.
ÿ Have this work carried out exclusively by an approved
professional.
ÿ We recommend concluding a contract
6 720 660 245 (2015/06 BL-FR)
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Open operation (type B)
5
Conversion
Combustion air/ambient air The
air in the installation room must be free of flammable
or aggressive chemical substances.
ÿ Do not block or reduce ventilation openings on doors,
windows and walls.
- in case of structural alterations (e.g. replacement of
doors and windows)
Conversion to another type of gas can only be carried
out by the JUNKERS after-sales service
The installation room must be sufficiently ventilated when
the appliance draws combustion air from the room.
agreement with a specialist:
ÿ Do not use or store corrosion-activating substances
(thinners, glues, chlorinated detergents, etc.) near the
appliance.
ÿ Ensure compliance with ventilation requirements by
ÿ Do not use or store easily flammable or explosive
materials (paper, gasoline, thinners, paints, etc.) near
the device.
- in the event of retrofitting of appliances with air
exhaust to the outside (eg exhaust fans, kitchen
fans or air conditioners).
6 720 660 245 (2015/06 BL-FR)
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Safety of electrical appliances for household
and similar uses To avoid risks from electrical
appliances, the following requirements apply
in accordance with standard EN 60335-1:
and user maintenance shall not be carried
out by children without supervision”.
“If the electrical power cord of the device
is damaged, it must be replaced by the
manufacturer, its after-sales service or a person
with similar qualifications to avoid any danger”.
"This device can be used by children aged 8
and over and by people with reduced physical,
sensory or mental abilities or without experience
or knowledge, if they are properly supervised. )s
or if instructions relating to the use of the
appliance in complete safety have been given to
them and if the risks involved have been
apprehended. Children should not play with the
device. Cleaning
6 720 660 245 (2015/06 BL-FR) 6
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2. Information about the device
3. Opening the door
Product data relating to energy consumption can be found
in the technical and installation instructions intended for
professionals.
ÿ Push the mark (3 points) to open the door.
Fig. 1
6 720 660 245 (2015/06 BL-FR)
2.1 Energy consumption product data
7
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4. Operating elements
6 720 660 245 (2015/06 BL-FR) 8
Fig. 2
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15 safety valve (heating circuit) 27 automatic
air vent 61 reset button
135 main switch 136 flow
temperature regulator 295 identification
sticker 310 hot water temperature regulator
317 display 363 control lamp for burner
operation 365 chimney sweep button 366
service button 367 for ZWC: ECO button for ZSC: no
function 476 holiday button 800 control lamp for
burner operation
8.1 manometer
6 720 660 245 (2015/06 BL-FR) 9
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5. Commissioning
Fig. 3
openfirm
6 720 660 245 (2015/06 BL-FR) 10
Open the gas tap (only for natural gas boilers)
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6 720 660 245 (2015/06 BL-FR)
Open the heating and sanitary stops
11
open
Fig. 4
sanitary stop 1/2''
firm open
firm
heating stops 3/4''
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6 720 660 245 (2015/06 BL-FR)
Heating circuit water pressure check
12
The pressure gauge needle should be between 1 and 1.5 bar. (if
higher pressure is required, your installer will let you know)
Fig. 5
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6 720 660 245 (2015/06 BL-FR) 13
Heating water filling
Attention: The boiler can be damaged.
ÿ Before filling, fill the pipe with water.
This prevents any penetration of air into the installation.
ÿ Close the taps and remove the filler pipe.
ÿ Open the fill/drain valve.
ÿ Mount the hose on the filling and draining tap and connect
it to a water tap.
ÿ Fill only when the boiler is cold.
ÿ Slowly open the cold water tap and fill
ÿ The maximum pressure of 3 bar at the highest heating
water temperature must not be exceeded (the safety valve
opens).
The filling is different for each heating installation. Have your
installer show and explain the filling.
l’installation.
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6 720 660 245 (2015/06 BL-FR)
6. Use This user
guide only concerns the boiler.
14
The following heating regulators can be used: ÿ room
thermostats, ÿ any remote controls.
Always consult the regulation manuals.
Depending on the controller used, some functions differ in
their use.
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6 720 660 245 (2015/06 BL-FR)
Switch off
6.1 Switch on/off
To light up
15
ÿ Press the main switch.
The blue light comes on and the display shows the flow temperature.
ÿ Press the main switch to switch on the device
Fig. 6
off. The indicator goes off.
ÿ Pay attention to the frost protection (see paragraph 5.7) when shutting down
the boiler for an extended period.
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6 720 660 245 (2015/06 BL-FR)
- low temperature heating: p. ex. position 5
When the burner is on, the indicator lights up green.
16
6.2 Switching on the heating
up to 88°C: max position
ÿ Turn the flow thermostat
of the heating system: to adjust the temperature
(about 74°C)
- Heating system for flow temperatures
The flow temperature can be set between 40 and 88°C.
Fig. 7
,
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17
about 65°C
3
position
1
5
6
max
4
starting temperature
about 74°C
about 49°C
about 40°C
about 84°C
about 58°C
2
about 88°C
6 720 660 245 (2015/06 BL-FR)
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6 720 660 245 (2015/06 BL-FR)
6.3 Temperature setting
18
Consult the regulation manuals.
ÿ you can heat economically and save
Fig. 8
Here you will find how:
ÿ the room thermostats must be adjusted,
energy.
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6 720 660 245 (2015/06 BL-FR)
6.4 ZSC boilers with tank:
hot water temperature setting
19
The Eco key has no function.
Warning: risk of burns!
ÿ Adjust the tank temperature with the boiler temperature
knob. The display shows the flow temperature. At a flaskwith thermometer, the temperature is
displayed on the flask
same.
Fig. 9
ÿ In normal operation, do not choose a temperature
higher than 60°C.
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20
about 60°C
about 40°C
about 56°C
min - 1
6 - max
about 52°C
and
hot water temperature
about 49°C
2
3
4
temperature dial
about 45°C
6 720 660 245 (2015/06 BL-FR)
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