Phase number
Display Operating state Description of function
TSA1 Safety time constant Flame monitoring with ignition
TSA2 Safety time variable Flame monitoring without ignition
TI Interval time Flame stabilisation
MOD Modulating mode Operating burner
THL2 Subsequent ventilation with last operating fan
speed
Fan continues to run
THL2A Subsequent ventilation with pre-purging fan
speed
Fan continues to run
TNB Burner shut-off delay Permitted burner run-on time
TNN Overrun time Permitted fan run-on time
STV Start prevention No internal or external release exists (e.g. no water pressure,
lack of gas)
SAF Safety switch-off
STOE Fault position The current fault mode is displayed.
For more information, see
Fault code table, page 147
10.3 Standard inspection and maintenance operations
10.3.1 Clean siphon
The condensate siphon should be cleaned every year.
1. Loosen the upper screwed fitting on the siphon.
2. Pull the siphon down and off.
3. Remove the siphon completely from the Paramount together with the
hose.
4. Dismantle the siphon and flush it through with clean water.
5. Installation of the siphon is done in reverse order.
Important
At the same time, the exhaust gas collecting tray should be
checked for soiling and should be cleaned (rinsed) if necessary.
10 Maintenance
142 Paramount five 30 – 115 7703046 - 01 - 23072018
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