Shutdown Test; Post-Purging And Continuous Purging; Intermittent Operation; Setting The Opening Delay Of The 2Nd Stage - Riello RG2D Installation, Use And Maintenance Instructions

7.8.3

Shutdown test

Sequence for shut-down test programming
 Programming allowed in OPERATING mode and in STAND-
BY.
 Press the button for 5 sec.  t < 10 sec.
 The RED LED blinks twice (0.2 sec. ON; 0.2 sec. OFF).
 Release the button.
 The burner will begin a shutdown, followed by a restart.
After shut-down, the burner restarts automatically and the no. of
attempts of recycle are restored.
At the exit of shut-down test page menu there are no blinking led.
7.8.4

Post-purging and continuous purging

The post-purging time can be set for a maximum of 6 minutes,
proceeding as follows:
Programming sequence
 Programming allowed in OPERATING mode and in STAND-
BY.
 Press the button for 10 sec.  t < 15 sec.
 GREEN led blinking 1 time
 Release the button
 GREEN led OFF
 Press the button 1 - 6 times (*) = 1 - 6 minutes
 GREEN led ON and OFF every time press and release
 After 10 sec., the GREEN LED will blink for the number of
times programmed (0.5 sec. ON; 0.5 sec. OFF)
Disabling sequence
 Reset allowed in OPERATING mode and in STAND-BY.
 Press the button for 10 sec.  t < 15 sec.
 GREEN led blinking 1 time
 Release the button
 GREEN led OFF
 Press the button 8 times (*)
 GREEN led ON and OFF every time press and release
 After 10 sec. the GREEN led blinks for 8 times (0.5s ON;
0.5s OFF)
If heat request stops during programming of post-purging
function, the exit menu occurs without saving the setting
value.
If heat request stops during the led blinking occur exit
menu, but the setting value is stored.
7.8.5

Intermittent operation

Sequence for enable/disable
 Programming allowed in OPERATING mode and in STAND-
BY.
 Press the button for 20 sec.  t < 25 sec.
 GREEN led blinking 3 times
 Release the button
 GREEN led OFF
 Press the button 1 time to enable a shut-down every hour (*)
 Press the button 2 times to enable a shut-down every 24
hours (*)
 GREEN led ON and OFF every time press and release
 After 10 sec., the GREEN LED will blink for the number of
times programmed (0.5 sec. ON; 0.5 sec. OFF)
The modification of the parameter setting for Intermittent opera-
tion takes effect:
 after the next heat request by the thermostat (HT)
 after the activation of a switch-off test
Start-up, calibration and operation of the burner
7 times = continuous purging
 after flame disappearance during operation
 after disconnecting and reconnecting the electrical supply
7.8.6

Setting the opening delay of the 2nd stage

The control box allows you to set the opening delay of the 2nd
stage from the 1st stage, see paragraph "Block diagram for en-
tering the menu" on page 32.
Sequence for setting the opening delay of the 2nd stage
 Programming allowed in OPERATING mode and in STAND-
BY.
 Press the button for 25 sec. ≤ t < 30 sec.
 The GREEN led blinks 4 times.
 Release the button.
 GREEN led OFF
 Press the button 1 time to enable a delay of 8 sec (*)
 Press the button 2 times to enable a delay of 20 sec (*)
 Press the button 3 times to enable a delay of 35 sec (*)
 GREEN led ON and OFF every time press and release
 After 10 sec., the GREEN Led will blink for the number of
programmed times (0.5 sec. ON; 0.5 sec. OFF)
7.8.7

Setting a long pre-purging

The control box allows you to set the long pre-purging, see para-
graph "Block diagram for entering the menu" on page 32.
Sequence for setting a long pre-purging
 Programming allowed in OPERATING mode and in STAND-
BY.
 Press the button for 30 sec. ≤ t < 35 sec.
 The GREEN led blinks 5 times.
 Release the button.
 GREEN led OFF
 Press the button 1 time to enable the long pre-purging (*)
 Press the button 2 times to disable the long pre-purging (*)
 GREEN led ON and OFF every time press and release
 After 10 sec., the GREEN LED will blink for the number of
times programmed (0.5 sec. ON; 0.5 sec. OFF)
33 GB
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