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Contents
APPLIANCES COVERED AND SERIAL NUMBER 4
iC & iC ECONOMISER COMBINATION BOILERS
TECHNICAL DATA 5
iS SYSTEM & iR REGULAR BOILERS
TECHNICAL DATA 6
BOILER L AYOUT 7
CONTROL PANEL 8
CONTROLS AND EXPLANATION
OF THE FUNCTIONS 9
HOT WATER TEMPERATURE 9
CENTRAL HEATING TEMPERATURE 9
BOILER INFORMATION 9
RESET BUTTON 10
ANCILLARY FUNCTIONS 10
HOT WATER SUPPLY 11
COMFORT AND ECO 11
CH SYSTEM 11
FROST PROTECTION 11
DANGER OF FROST 11
INSTALLATION FROST PROTECTION 11
BOILER FROST PROTECTION 11
PUMP KICK AND DIVERTER
VALV E KICK 12
BOILER ANTI-CYCLE TIME 12
PUMP OVERRUN 12
SERVICE CHIMNEY SWEEP MODE 12
BOILER DE-AERATION PROGRAM 13
COMBI BOILER 13
SYSTEM BOILER 13
REGULAR BOILER 13
COMMISSIONING FUNCTION 13
YOU HAVE UPGRADED TO ATAG, WE WILL HELP YOU TO GROW AND PROTECT YOUR BUSINESS
WATER PRESSURE SENSOR 14
FLOW SWITCH (REGULAR BOILER) 14
COMBI BOILER CENTRAL HEATING MODE (CH) 15
COMBI BOILER HOT WATER MODE (DHW) 16
COMBI BOILER CH MODE 17
CH CONTROLS 17
COMBI BOILER DHW MODE 17
DHW CONTROLS (COMBINATION BOILERS) 17
SYSTEM & REGULAR BOILER CENTRAL
HEATING MODE 17
CH CONTROLS 17
CHECKING COMBUSTION CO
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18
BOILER PARAMETERS 19
GRADIENT SPEED CH 20
HEATING LINE 20
SUMMER-ECO TEMPERATURE 20
WEATHER COMPENSATOR 21
FLUE LENGTHS 21
ERROR CODES 22
RESISTANCE TABLE SENSORS 23
PCB ELECTRICAL DIAGRAM (LMU) 24
VOLT FREE CONNECTIONS 25
ATAG 3-PORT EXTERNAL DIVERTER
VALVE AND ONE CONTROLLER KIT 26
ROUTINE SERVICING 30
AIR BOX/COVER 30
SIPHON 31
FAN UNIT AND BURNER CASSETTE 31
HEAT EXCHANGER 33
IGNITION ELECTRODE 34
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