4.14.1 List of phases
Phase
Description
Ph00
Lockout phase
Ph02
Safety phase
Ph10
Closing paused
Ph12
Standby
Ph22
Fan motor (MV) = ON
Safety valve (VS) = ON
Ph24
The burner moves to the pre-purging position
Ph30
Pre-purging time
Ph36
The burner moves to the ignition position
Ph38
Ignition phase (TA) = ON
Ph39
Minimum gas pressure switch test (PGmin.)
Ph40
Fuel valve (V) = ON
Ph42
Ignition (TA) = OFF
4.15
Operator panel operation
The REC37 ... control box is directly connected to the operator
panel (Fig. 9).
The buttons allow you to programme the operation and diagnos-
tics menus.
The burner management system is shown on the LCD display
(Fig. 10). To simplify the diagnostics, the display shows the oper-
ating status, type of problem, and when the problem arose.
Observe the procedures and adjustments
shown below.
All interventions (assembly and installation
operations, assistance, etc.) must be carried
WARNING
out by qualified personnel.
If the display and operator panel are dirty,
clean them with a dry cloth.
Protect the panel from excessive tempera-
tures and liquids.
4.15.1 Description of the symbols on the display
Ignition transformer
Fan motor powered
Pre-heater active
only for light oil burners
Parameter mode active
Info mode active
Service mode active
Closure of servomotors
Opening of servomotors
The brightness of the display can be adjusted from 0 ... 100%
with the parameter 126.
20081760
Technical description of the burner
powered
Heat request
D9000
Phase
Description
Ph44
t44 = interval time 1
Ph60
Operation
Ph62
The burner moves to the switching off position
Ph70
t13 = post-combustion time
Ph72
The burner moves to the post-purging position
Ph74
t8 = post-purging time
Ph78
t3 = post-purging time
Ph80
emptying time (valve leak detection)
Ph81
Atmospheric time test (valve leak control)
Ph82
filling time (valve leak detection)
Ph83
pressure test time (valve leak detection)
Ph90
Standby time due to lack of gas
D9001
V h min s
18
GB
Fig. 9
Valve powered
Flame presence
Lockout
Lock-out lamp
Unit of measurement
Fig. 10