20151674
16
GB
Technical description of the burner
Phases key (Fig. 7 on page 14):
Tab. I
4.7.1
Indication of the diagnostic mode
Both the reset button and the indicator lamp are on the control
panel.
There are 2 diagnostic options:
1
Visual diagnostics: Indication of the operating status or diag-
nostics of the cause of the fault
2
Diagnostics: From BCI to AZL2... operating and display unit
Visual diagnostics:
During normal operation, the various operating conditions are
shown in the form of colour codes based on the table shown be-
low (Tab. J).
Indication of the operating status
During start-up, the status indication is based on Tab. J:
Tab. J
Key to layout (Tab. J)
Phase
number
Function
LOC
Switching off phase lockout
OFF
Stand-by, awaiting heat request
oP
Part 1: Load controller request OPEN
Part 2: fan motor modulation speed towards high
flame
Part 3: high flame reached
Part 4: load controller request CLOSED
Part 5: fan motor modulation speed towards low
flame
Part 6: low flame reached
10
Settling time, fan motor standby speed
21
Safety valve ON, air pressure switch in load absence
position
Check that the POC is closed and that the fan motor
speed has been reduced to 0
22
Part 1: fan motor ON
Part 2: specified time air pressure switch
Message (timeout), air pressure switch stabilisation
24
Settling time, fan motor pre-purging speed
30
Part 1: pre-purging time without flame simulation test
Part 2: pre-purging time with flame simulation test
(2.1 seconds)
36
Stabilisation time at ignition speed
38
Spark pre-ignition time
40
Post-ignition time, parameter 257 + 0.3 seconds
42
Flame detection
44
Interval: end of time for safety ignition and load con-
troller reset (modulation start)
72
Settling time speed, fan motor post-purging speed
74
Part 1: the operation is finished, check that the post-
purging has been programmed
Part 2: post-purging time
Only with leak detection control
80
The test space is empty
81
Air pressure test
82
The test space is full
83
Gas pressure test
90
Min pressure switch open--> switching off safely
*1
Test valve, if P241 = 1 after each ON, lockout or
P234 (post-purging time) = 0 seconds
*2
Test valve, if P241 = 1 and P234 (post-purging time)
>0 seconds
The reset button (info button) is the key element
for resetting the burner control and activating/de-
activating the diagnostic functions.
The multi-colour indicator lamp is the key indica-
tor of the visual diagnostics.
Table of colour codes for multi-colour indicator lamp
Status
Colour code
Colour
Standby time,
other waiting modes
OFF
Ignition phase,
controlled ignition
Blink
yellow
Operation,
flame o.k.
Green
Operation,
flame not o.k.
Green
blink
Burner start-up
extraneous light
Green-
Red
Undervoltage
Yellow -
Red
Fault, alarm
Red
Output error code
(see error code
Red
blinking
Diagnostics interface
Red blinking
light
Heat request
Yellow
New program
board
Yellow
Yellow -
Red
nfo
Red
Yellow
Green
LED
...............................
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...............................
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Red
Yellow
Green
........
OFF
Always on
Summary of Contents for RX 150 S/PV
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