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Signal
No blink
The burner does not start
The burner continues to
repeat the start-up cycle,
without lockout
Ignition with pulsations
Burner does not reach maxi-
mum output
Burner stops with air damper
open
ACCESSORIES
(optional)
• RADIO DISTURBANCE PROTECTION KIT
If the burner is installed in places particularly subject to radio disturbance (emission of signals exceeding 10 V/m) owing to the presence of an
INVERTER, or in applications where the length of the thermostat connections exceeds 20 metres, a protection kit is available as an interface
between the control box and the burner.
BURNER
Code
• KIT FOR MODULATING OPERATION
OUTPUT POWER REGULATOR KIT RWF40
Two components should be ordered:
• the Output power regulator to install on the burner;
• the Probe to install on the heat generator
Parameter to control
Adjustment field
Temperature
- 100...+500°C
0...2.5 bar
Pressure
0...16 bar
• POTENTIOMETER KIT FOR THE INDICATION OF LOAD POSITION
• UV CELL KIT
• KIT INTERFACE ADAPTER RMG TO PC
GAS TRAIN ACCORDING TO REGULATION EN 676
•
Note.
Riello S.p.a. declines all responsibility for the addition of safety devices not provided for herein.
Problem
38 - No electrical power supply . . . . . . . . . . . . . . . . . . . . . . .
39 - A limiter or safety control device is open . . . . . . . . . . . .
40 - Line fuse blocked . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
41 - Defective control box . . . . . . . . . . . . . . . . . . . . . . . . . . .
42 - No gas supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43 - Mains gas pressure insufficient . . . . . . . . . . . . . . . . . . .
44 - Minimum gas pressure switch fails to close. . . . . . . . . .
45 - Servomotor fails to move to min. ignition position . . . . .
46 - The gas pressure in the gas mains lies very close to the
value to which the minimum gas pressure switch has
been set. The sudden drop in pressure after valve open-
ing causes temporary opening of the pressure switch
itself, the valve immediately closes and the burner
comes to a halt. Pressure increases again, the pressure
switch closes again and the ignition cycle is repeated.
And so on
47 - Poorly adjusted head . . . . . . . . . . . . . . . . . . . . . . . . . . .
48 - Ignition electrode incorrectly adjusted . . . . . . . . . . . . . .
49 - Incorrectly adjusted fan air damper: too much air . . . . .
50 - Output during ignition phase is too high. . . . . . . . . . . . .
51 - Remote control device TR fails to close. . . . . . . . . . . . .
52 - Defective control box . . . . . . . . . . . . . . . . . . . . . . . . . . .
53 - Defective servomotor . . . . . . . . . . . . . . . . . . . . . . . . . . .
54 - Defective servomotor . . . . . . . . . . . . . . . . . . . . . . . . . . .
RS 300/P BLU - RS 400/P BLU
3010386
Probe
Type
Code
PT 100
3010110
Output probe
3010213
4...20 mA
3010214
Possible cause
Output power regulator
Type
Code
3010356
RWF40 basic
RWF40 high
3010357
code 3010393
code 3010359
code 3002719
: see page 23.
45
Recommended remedy
Close all switches - Check connections
Adjust or replace
Replace
Replace
Open the manual valves between contactor
and train
Contact your GAS COMPANY
Adjust or replace
Replace
Reduce the minimum gas pressure switch
intervention pressure. Replace the gas filter
cartridge.
Adjust. See page 20
Adjust, see fig. (A) page 20
Adjust
Reduce
Adjust or replace
Replace
Replace
Replace
OUTPUT POWER REGULATOR WITH SIGNAL
4-20 mA, 0-10V
Two components should be ordered:
• the Analogical signal converter;
• the Potentiometer
Analogical Signal
Potentiometer
Converter
Type
Type
Code
ASZ...
3010393
E5202
Code
3010390
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