CleaverBrooks Master Panel 8, Руководство по эксплуатации

Страница: 18 / 60

Section 2 — Operation Master Panel 8
2-8 Part No. 750-375
“High Limit” setting are from the “Low Limit” to 95% of the
maximum temperature.
Steam System : Valid entries for the “Low Limit” are from 5 PSI
(0.3 Bar) to the “High Limit” setting. Valid entries for “High
Limit” setting are from the “Low Limit” to 90% of the maximum
pressure.
Remote Set Point Range — sets the range of the remote 4-20 mA
signal when using remote set point. <Minimum> sets the set point
corresponding to a 4 mA signal and <Maximum> the set point
corresponding to a 20 mA signal.
Set Point Ramp Rate — limits the rate of change of the remote set
point signal.
Boiler ID — Shows the boiler name as entered on the Configuration
screen.
Boiler Seq.
New — Allows the selection of a new firing sequence for the
boilers. To select the appropriate sequence: press the button
corresponding to the specific boiler. The numeric keypad will
appear. Select one of the following numbers:
(1 = Lead Boiler, 2 = Lag Boiler 1, 3 = Lag Boiler 2, 4 = Lag
Boiler 3, etc.).
Make a selection for each boiler (duplicate numbers are not
allowed)). When finished, press the
<Enter New Order>
button. If the order is valid, the numbers in the existing column
will change. If the order is invalid, an “Invalid Order” message
is displayed.
Current — Displays the existing firing sequence.
Auto Rotation Days — With auto rotation selection “On” boiler firing
sequence will rotate automatically. When auto rotation time expires,
each boiler sequence number will be shifted to the left by one. Valid
entry is from 1 to 60 days.
(Example: Sequence before rotation – 12345678; Sequence after
rotation – 81234567. Auto rotation timer is reset every time
sequence is changed.)
Auto Rotation On/Off — “On” enables auto sequence rotation.
Units — This button toggles between English and Metric units of
measure.
Low Steam Pressure (Water Temp.) Alarm — This push button is
used to set the alarm activation point for low steam pressure (water
temperature).
Changing Parameter Values
In order to change a value, Press the <Change> button. The numeric
keypad display will appear. Select desired number. Press <enter>
key and then push the button corresponding to the number to be
changed. If the entry is invalid, the display will show “Out of Range”.