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10

Operating manual atmoCRAFT

4.5 

Settings for heating

4.5.1  Setting the flow temperature (when using a 

controller)

1

Fig. 4.7  Setting the feed temperature when using a controller

To comply with the 

regulations concerning the energy-

saving requirements of heating-technology 
installations and hot water installations (heating 
installation regulations - HeizAnlV)

, your heating 

system must be fitted with a weather-controlled 
controller or a room-temperature controller.
In this case, the following setting must be undertaken:
•  Turn the rotary knob (

1

) for setting the heating feed 

temperature all the way to the right.

The flow temperature is automatically adjusted by the 
controller (for information see its operating manual).

 Note!

Your heating engineer can provide information 
concerning the control system fitted to your 
heating system.

4.5.2  Setting the flow temperature (no controller 

connected)

1

2

Fig. 4.8  Feed temperature setting without heating controller

If there is no external controller, set the flow 
temperature using the knob (

1

) according to the outside 

temperature. We recommend the following settings:
– 

Left position

 (but not all the way) in spring and 

autumn: Outside temperature 10 to 20°C

– 

Mid-position setting

 in reasonably cold weather:

Outside temperature 0 to 10°C

– 

Right position

 in very cold weather:

Outside temperature 0 to –15 °C

When setting the desired temperature, the value is 
shown on the display (

2

) of the DIA-System. After five 

seconds the display returns to standard mode (the 
current heating flow temperature).

Normally you can adjust the knob (

1

) continuously up to a 

feed temperature of 75 °C. However, if higher 
temperatures can be set on your appliance, your engineer 
has made adjustments so that you can operate the 
heating system at higher feed temperatures up to 85 °C.

4 Operation

Summary of Contents for atmoCRAFT VK SERIES

Page 1: ...VK 654 9 1654 9 atmoCRAFT DE AT GB CZ SK HU PL HR SI SCG...

Page 2: ...For the owner VK 654 9 1654 9 Operating manual atmoCRAFT Gas heating boiler GB...

Page 3: ...by exceeding the temperature 13 4 8 5 Faults with the exhaust gas removal 13 4 8 6 Filling unit heating installation 14 4 9 Shut down 14 4 10 Frost protection 15 4 10 1 Frost protection function 15 4...

Page 4: ...4 Data badge The identification plate is included with the burner and should be mounted on the separation wall 2 Safety What to do in an emergency Danger If you smell gas risk of poisoning and explos...

Page 5: ...sufficiently heated Caution Risk of damage If there is a power cut or if the room temperature is set too low in individual rooms it cannot be ruled out that sections of the heating system are damaged...

Page 6: ...en by the heating engineer The desired heating and set back phases e g at night are automatically turned on and off using the integrated time programmes Weather compensators combined with thermostat v...

Page 7: ...0 C also lead to increased lime scale production Energy conscious use of water Energy conscious use of water can reduce your bills considerably For example taking a shower instead of a bath whereas ab...

Page 8: ...nk temperature in normal mode if a storage tank sensor is connected 6 button for moving backwards in the display for adjustment and troubleshooting by the engineer 7 Reset button for resetting certain...

Page 9: ...0 6 5 4 3 bar 1 Fig 4 4 Checking the filling pressure of the heating installation pressure gauge not included Check the filling pressure of the installation using the pressure gauge 1 not included For...

Page 10: ...ng feed temperature Note We recommend a setting of 60 C for economic and hygienic reasons e g Legionella Caution Danger of calcium deposit build up If your water hardness is more than 1 79 mol m3 10 d...

Page 11: ...m fitted to your heating system 4 5 2 Setting the flow temperature no controller connected 1 2 Fig 4 8 Feed temperature setting without heating controller If there is no external controller set the fl...

Page 12: ...tion of your boiler Press the i button 1 to activate the status displays The display 2 then shows the individual status codes e g S 4 for burner operation The table below explains the most important s...

Page 13: ...he heating system see Section 4 8 2 Is there an ignition problem see Section 4 8 3 Hot water operation no problem Heating does not start Is there a requirement for heating from the external controller...

Page 14: ...exceeding the temperature 1 2 Abb 4 14 Releasing after STB switch off Your boiler is equipped with a safety temperature limiter STB which automatically switches off the boiler if the temperature gets...

Page 15: ...However in exceptions the water quality might not be suitable for filling in the heating system heavily corrosive or extremely calciferous water In a case such as this you should please contact your a...

Page 16: ...he frost protection system cannot guarantee flow through the entire heating system 4 10 2 Frost protection by draining Another way to protect the heating system and the appliance from frost is to drai...

Page 17: ...ed as follows to perform the measurements Activate the chimney sweep mode by simultaneously pushing the buttons 6 and 7 on the DIA System The measurements should be taken at the earliest after 2 minut...

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