Miura MP1-200, Руководство по эксплуатации

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SECTION 4 BREAKDOWN AND COUNTERMEASURES
49
6. When Automatic Rotation Is Not Performed or Automatic Rotation
Does Not Change The Priorities
a) Check if the MI Terminal MT1-2t00 of the boiler No.
(*)
1 is set for automatic rotation
(*)
.
Unless the rotation
(*)
flag is set between 1 and 7, automatic rotation
(*)
will not be performed in
a given period of time. If the rotation
(*)
flag is set to 0 or 9, automatic rotation
(*)
will not be
performed. Check for proper setting.
P. 32
b) Check if the rotation
(*)
flag of the boiler, of which priority
(*)
does not change, is set to 9.
Priority
(*)
is fixed for the boiler of which rotation
(*)
flag is set to 9. Check for proper setting.
P. 32
c) Check if the power supply is turned off at the rotation
(*)
time.
If the Pressure Controller MP1-200 or the MI Terminal MT1-200 is turned off at the rotation
(*)
time, rotation
(*)
will not be performed. Change the rotation
(*)
time or do not turn off the unit.
d) Check if the cumulative combustion time is larger (or smaller) than that of other boilers.
Under the automatic rotation
(*)
, the MI Terminal MT1-200 determines the priorities
(*)
of the
boilers in ascending order of the cumulative combustion time. Check the cumulative
combustion time.
P. 19
7. When the Boilers Do Not Fire According to the Priorities
In the following cases, the actual order of firing boilers is different from the priorities
(*)
.
a) When the same priority is given to multiple boilers.
The boilers are prioritized based on larger boiler numbers
(*)
.
Example: When three boilers are used
Boiler No.
(*)
Priority
(*)
Actual order
1 1 2
2 1 1
3 2 3