Clayton Steam Master CSMG-15, User Manual

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Sect06_CSMG_b.fm
6-4
04/22/2019
Steam Master Instruction Manual
6.5.3.1 Steam temperature reading with steam
generator in operation
a. Connect the test meter to the primary el-
ement of the dual element thermocouple
sensor.
b. Record the steam temperature. Remove
the meter leads from the primary element
when temperature is recorded.
c. Connect the test meter to the secondary
element of the dual element thermocou-
ple sensor.
d. Record the steam temperature. Remove
the meter leads from the secondary ele-
ment when done.
e. Record the steam temperature reading
from the separator thermometer.
f. Compare the recorded temperatures with
the reference temperatures in Table 2-1
(Pressure-Temperature Table) in
Section 2. Make a note of the differences
for evaluation in paragraph 6.5.3.3.
6.5.3.2 Steam temperature reading with steam
generator in wet lay-up
NOTE
The machine should be in wet lay-up
for at least two hours following a
burner shut down. The cool-down
time may be reduced by increasing
the FILL rate.
a. Connect the test meter to the primary el-
ement of the dual element thermocouple
sensor.
b. Record the steam temperature. Remove
the meter leads from the primary element
when temperature is recorded.
c. Connect the test meter to the secondary
element of the dual element thermocou-
ple sensor.
d. Record the steam temperature. Remove
the meter leads from the secondary ele-
ment when done.
e. Record the feedwater temperature read-
ing on the thermometer on or near the
feedwater pump.
Alternatively, a feedwater temperature
reading from the thermometer on the hot-
well tank may be used.
6.5.3.3 Evaluate recorded values
a. The results from steps 6.5.3.1b and
6.5.3.1d should fall within 40 degrees of
the recorded steam temperature or the
value obtained from Table 2-1 Pressure/
Temperature Table (in Section 2).
b. The results from steps 6.5.3.2b and
6.5.3.2c should fall within 10 degrees of
the recorded incoming feedwater tem-
perature taken in step 6.5.3.2e.
c. If one of the coil temperature readings,
from either the primary element or the
secondary element, exceed the accepted
temperature range, then the correspond-
ing element wiring or connections are
faulty.
d. If both coil temperature readings, from
either the primary element or the second-
ary element, exceed the accepted tem-
perature range, and they are equal in the
error value, then it is likely that the ther-
mocouple elements are not making suffi-
cient contact with the sleeve that is
inserted in the tube. (See Fig. 2-2 in Sec-
tion 2.)
6.5.4 Check Main Temperature Limit
Controllers (MTLC)
a. Remove on thermocouple lead wire from
the MTLC.
b. Verify that a shutdown occurs and an
alarm is initiated within one minute.
c. Replace the thermocouple lead wire.
d. Repeat steps a, b, and c for other MTLC.