Viessmann Vitodens 222-F Operating instructions

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We create living spaces for generations to come
Academy
Troubleshooting Fault ‘EE’ and ‘EB’
Technical Training Series

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Vitodens 222-F, B2TB Vitodens 200, B2HA&B Vitocrossal 300, CU3A Vitodens 200, WB2B
Some of
these
procedures
apply to the
W 2 ,
(Previous Vitodens
200 Generation
- 7 Sizes
67 000 – 370 000 TU
Max)
Single Model 12 000 BTU
Maximum Input
Ten Models
Four Models 94 000 to 199 000 BTU
Maximum Input
BB
A

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Fault Information Located in the - Service Instructions Manual -

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Fault Information Located in the - Service Instructions Manual -

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Lambda Pro
Burner Combustion Management
The Lambda calibration point
is used to maintain optimum
combustion throughout the
burner operation.
Lambda Pro Technolog : How it works:
-Controls gas and air independentl
of each other
-Ionization current indicates flame
qualit , not just proof of flame
-Gas and air control constantl
adjusts to changes
-No field adjustments required
Excess Air
Ionization Current
Optimum
Range

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What happens while calibrating?
Lambda Pro Burner Combustion Management
-Burner runs at constant speed, (Approximately 2880 RPM)
-The flame signal is measured and compared to the
factory default range, an internal computing process
calculates then adjusts Fuel/Air ratio
-The calibration process takes about 1 minute
- Calibration is an automatic alignment which occurs at
regular intervals to consider drift and aging of the
ionization electrode
-It adjusts the firing process to the existing gas quality
maintaining a more consistent fuel air ratio, resulting in
more reliable boiler operation

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What happens while calibrating?
Lambda Pro Burner Combustion Management
-There are two kinds of calibration
20% and 100%
-The difference between a 20% calibration to 100%
calibration?
-A 20% calibration is added/compared with past
calibrations to position the base value
-A 100% calibration becomes the new base value
-A 100% calibration can be conducted manually
-20% calibration occurs after every error message,
after every power up and then after every 2nd, 4th,
8th, 16th, 32nd, 64th, 2 6th and 12th burner start.
Then every 12th burner start

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Overview of the areas to troubleshoot for Fault ‘EE’ & ‘E ’
Gas delivery
Heat
Flow,
(EB)
Venting
Combustion
Air
Condensate
Fireside of
heat
exchanger
Burner
Tube
Gas Valve/Burner Assembly
Ignition and Ionization
Electrical/control

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Service Tools Required for Combustion Fault Troubleshooting
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Troubleshooting – Fault ‘EE’ & ‘EB’ – Checking Polarit
Check for voltage, (AC), on
Ionization Cable