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11 USING THE DISPLAY ............................................................................................................................... 88
Display icons ...................................................................................................................... 89
De-aeration Sequence ....................................................................................................... 89
Set Actual setpoint/DHW setpoint directly via the Status overview ................................... 91
Entering the menu .............................................................................................................. 91
Protected menu items ........................................................................................................ 92
Language settings .............................................................................................................. 92
Service overdue logging .................................................................................................... 94
Reset the service reminder ................................................................................................ 94
......................................................................................................................................... 95
Circulator start exercise every 24 hours ............................................................................ 95
Frost protection .................................................................................................................. 95
Flue temperature protection ............................................................................................... 95
Appliance selection ............................................................................................................ 96
Flame detection ................................................................................................................. 96
Flame recovery .................................................................................................................. 97
Room thermostat only; CH mode 0 (Default setting) ......................................................... 97
CH with an outdoor temperature reset and thermostat; CH mode 1 ................................. 98
CH with constant circulation system outdoor reset; CH mode 2 ..................................... 100
CH with constant circulation and permanent heat demand; CH mode 3 ......................... 101
Central Heating with analog input control of setpoint; CH mode 4 .................................. 101
CH with analog input control of power output; CH mode 5 .............................................. 102
No Domestic Hot Water; DHW mode 0 ........................................................................... 103
High pressure drop indirect tank DHW mode 1 and 2 (VGH-CH boilers only) ................ 103
DHW Storage with sensor; DHW mode 1 ........................................................................ 103
DHW Storage with thermostat; DHW mode 2.................................................................. 104
Instantaneous water heating with plate heat exchanger; DHW mode 5 .......................... 105
Anti-legionella protection.................................................................................................. 105
12 TEMPERATURE PROTECTION ............................................................................................................. 113
13 ERROR INFORMATION .......................................................................................................................... 113
.................................................................................................................................... 118
14 CASCADING ............................................................................................................................................ 119
Setting the boiler address ................................................................................................ 120
E2prom address selection through e2prom setting ......................................................... 121
Cascade - Heating only (CH) Managing boiler ............................................................... 121
Cascade - Domestic Hot Water Settings ........................................................................ 121
Cascade - DHW priority .................................................................................................. 122
Cascade - Start/stop sequence ....................................................................................... 122
Cascade - Power balance mode ..................................................................................... 122
Next depending to start selection .................................................................................... 123
Cascade Frost protection ................................................................................................. 123
Emergency mode ............................................................................................................. 124
Managing boiler error ....................................................................................................... 124
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E93.1901EN032 Installation and Service Manual SlantFin VGH-CH / CO
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