Atag i28C Technical Guide

Combi boiler central heating mode (CH)
C.H. Demand
Pump On
iC & iS Range Error Code: 140
iR Range Error Code: 141
Pump Check by
Water Pressure - OK
Diverter Valve
CH Position
Gas Valve Start
Sequence
Fan On
612 Fan Error
No Ignition
Boiler Operating
Gas Valve Opens
Spark
Ignition
Flame ON
Flame
Stabilization
5 Seconds
Stabilization
No Flame
Detection
Boiler Will Go
To Low Load
Error code: 501
No flame
detected - Reset
5 Attempts –
Ignition Achieved
NO
NO
NO
YES
YES
YES
5 Attempts 5P1
or 5P2 - Ignition
Achieved
19

Atag i28C Specifications

General

Brand	Atag
Model	i28C
Category	Boiler
Language	English