Viessmann GS1, Service Instructions Manual

Page: 11 / 36

11
Initial start−up, inspection and maintenance
Further details regarding the individual steps
(cont.)
Checking flue gas values
¨ Safety instruction
Measure the CO value before and after any work on gas appliances, to
prevent any health hazards and to ensure perfect system condition.
Determine the flue gas values and
record them in the service report.
Checking ionisation current
¨ Safety instruction
Switch OFF the system ON/OFF switch at the control unit before connecting
the test equipment.
F
Burner control unit
1. For testing, insert test lead no.1
into TestomatikGas and secure.
2. Pull ionisation lead
A
off
ionisation electrode
B
.
3. Push plug−in adaptor
C
into
ionisation lead
A
.
4. Push test cable plug
D
into
plug−in adaptor
C
.
5. Push adaptor cable
E
onto
ionisation electrode
B
.
6. Push adaptor cable
E
onto the
test cable socket
D
.
7. Start up the boiler.
The ionisation current must be at
least 1.5
m
A when operating the
ignition burner and at min. 5
m
A
when operating the main burner.
8. Record the actual value in the
service report.
5692413GB
D C A
B
E
F
o