30 | Operating the appliance
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9 OPERATING THE APPLIANCE
This manual only applies to the appliances listed on the front cover.
Depending on the control system fitted some function may be different.
The following option control systems can be used:
• EMS externally mounted programmer
9.1 Controls overview
Fig. 35
[1] Main on/off switch
[2] Diagnostic port (Service engineers only)
[3] DHW button
[4] Heating button
[5] Display
[6] Minus button
[7] Plus button
[8] ok button
[9] Back button
[10] Pressure gauge
[11] Service button
[12] Reset button
[13] Summer/Winter mode button
9.2 Screen display
Fig. 36 Display symbols
[1] DHW mode off
[2] DHW mode on
[3] Solar mode (not used on this appliance)
[4] Weather compensation (External sensor required)
[5] Chimney sweep mode
[6] Fault alert
[7] Service mode
[6 + 7] Maintenance mode
[8] Burner on
[9] Temperature units °C
[10] Confirmation
[11] Scroll up or down through the sub menus
[12] Alphanumeric display (e.g. Temperature)
[13] Text display
[14] Heating mode off
[15] Heating mode on
9.3 Appliance on/off switch
Initial switch on
▶ To switch on, use the main appliance on/off switch on the control
panel.
The display lights up and initially shows the appliance temperature.
Fig. 37 Main power switch
For more information refer to the manual of that
controller or programmer.
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6 94 732 8
1113 12
reset
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1
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The condensate trap fill program starts each time the
appliance is turn on. The appliance runs at minimum
output for about 15 minutes to fill the condensate trap.
The symbol . flashes until 15 minutes of burner
operation have been completed.
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2 3 4 876 95
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6 720 619 605-12.1O
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