Strebel S-CB Px 120, Руководство по установке, эксплуатации и техническому обслуживанию

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S-CB Px 120 Manual 68
10.17.2. B
LOCKING CODES
The following graphs describe the blocking codes of the boiler. A blocking code is only a temporary blocking of the
boiler, because of an extraordinary situation. The boiler will continue to operate after stabilisation of this situation.
The display is not blinking, but is lightened up during the blocking period.
The boiler is blocking an action because of an extraordinary situation. This action will be continued after stabilisa-
tion of this situation.
Display message
A n t i c y c l e t i m e
9 9 9 , 5 h r s
Reason: The controller received a new heat demand too quick after the last ended demand.
Display message
F l u e t e m p h i g h
9 9 9 , 5 h r s
Reason: Flue gas temperature has exceeded the limit, as set in the parameters.
Display message
F l o w t e m p h i g h
9 9 9 , 5 h r s
Reason: Flow temperature has exceeded the blocking temperature, as set in the parameters
Display message
F l o w t e m p h i g h
9 9 9 , 5 h r s
Reason: Flow temperature has exceeded the blocking temperature, which is set in the
Display message
R e t u r n t e m p h i g h
9 9 9 , 5 h r s
Reason: Return temperature has exceeded the blocking temperature, which is set in the pa-
rameters, but the return temperature has not exceeded the lock-out value.
Display message T 2 - T 1 h i g h
9 9 9 , 5 h r s
Reason: Temperature difference T2-T1 has exceeded the blocking value as set in the parame-
ters.
Display message
D e a i r a t i o n
9 9 9 , 5 h r s
Reason: The boiler starts its deairation function and after will return to normal operation. This
function can be activated by parameter P4AJ.
Display message d T B l o c k
9 9 9 , 5 h r s
Reason: Temperature difference T2-T1 has exceeded the blocking value and the period, as set
in the parameters P2CQ - P2CV.
Display message
H e a t e x c h a n g a t r i s k
9 9 9 , 5 h r s
Reason: Temperature difference T2-T1 has exceeded the blocking value, as set in the parame-
ters P2CQ - P2CV, more than three times.
Display message
G a s p r e s s u r e l o w
9 9 9 , 5 h r s
Reason: Gas supply pressure is (too) low.