Riello Control Box Operation - Worcester Greenstar Heatslave 12/18 Instruction Manual

8 716 106 252f 30/3/10 12:56
This operation instruction is provided to assist competent and suitably qualified engineers to
locate and rectify faults. Whilst every effort has been taken to ensure the information given is
correct and complete we cannot guarantee that every eventuality has been covered.
Worcester, Bosch Group cannot be held responsible for costs incurred by persons not deemed
to be competent.
STATUS
Operational Codes
OFF
Initial check time (11 seconds) before pre-purge
Pre-purge (15 seconds)
Safety time (maximum 5 seconds)
Running
Lock-out/Error Codes
False light before ignition
Under voltage or over voltage
lock-out for no flame during safety time
Lock-out for false flame signal /
Lock-out for burner control error
Lock-out for maximum number of restarts
Pump Priming Cycle
Pump priming cycle
Lock-out and Reset
The control box can be reset consecutively a maximum number of 5 times after which the
power supply has to be reset; then the control box can be reset a further 5 times.
Limit of Restarts
If the flame is lost during operation; the burner will restart 3 times. On the 4th restart the
burner will go to lock-out. By resetting the power supply the control box is reset and allows
3 restarts.
Flame Detection
Flame detection minimum current:
Flame loss maximum current:
False flame maximum current (without false light):
50
FAULT FINDING
Page 50
ORANGE Flashing
GREEN Flashing
RED Fast flashing
GREEN, ORANGE, RED
30µA
25µA
19µA
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE 12/18-18/25-25/32
RIELLO
CONTROL BOX OPERATION
CODE ADDITIONAL INFORMATION
OFF
OFF
Only when the solenoid valve is energised with no flame
signal.
GREEN
GREEN, RED
RED, ORANGE
RED
RED Flashing
In the lock-out condition, the oil pump can be primed
for 30 seconds:
1. Press the remote reset button for more than 6 seconds
and then release. The control box lock-out reset will
blink quickly green, orange and red.
2. Re-press the burner reset button and release within
3 seconds and pump priming starts.
8 716 106 252f (03/2010)