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User Manual - Page 27

For BOILER SEQUENCING CONTROL.

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27
BSC Installation and Operation Manual
MAINTENANCE
The Maintenance menu gives access to sensor and output trimming, Soft-Off, and
Modulation Speed. If BSC had the communication package, then all the Network
Settings will be listed under the Maintenance menu as well.
MAINTENANCE
System Trim +0
Outdoor Trim +0
Output Trim +0.0
Soft-Off Dly 45sec
Mod Speed 0.1min
Network Settings
SYSTEM AND OUTDOOR TRIM
Adjustable from -5F°/-3C° to +5F°/+3C° Default: 0F°/0C°
SELECT: MENU/<Maintenance>/System Trim
SELECT: MENU/<Maintenance>/Outdoor Trim
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calibration. Sometimes it may be desirable to make small adjustments to the displayed
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See Set Point and Default Table on page 22.
---- SYSTEM TRIM ----
+0
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---- OUTDOOR TRIM ----
+0
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STAGE OUTPUT TRIM
Adjustable from -1.0 to +1.0 Default: 0.0
SELECT: MENU/<Maintenance>/Output Trim
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individually to match the actual burner.
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 :KHQVHOHFWLQJ2XWSXW7ULPStage A TrimZLOOVKRZDVWKH¿UVWRSWLRQ%\
clicking on the Stage button, BSC will scroll through the rest of the stages.
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range to make sure the results match your expectation.
--- STAGE A TRIM ---
+0.0
[
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Click the Stage Button
--- STAGE B TRIM ---
+0.0
[
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ALERT
DO NOT use the Output Trim for a Stage unless it is absolutely necessary. Test
burner operation and modulation output matching after adjusting the Output Trim.
SOFT-OFF DELAY
Adjustable from 0 to 60 seconds Default: 45 seconds
SELECT: MENU/<Maintenance>/Soft-Off Delay
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prior to turning it off.
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delay. The Soft-Off will be indicated with the blinking Ignition % for that stage.
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the stage will be released from the Soft-Off delay and resume normal operation.
-- SOFT-OFF DELAY --
45sec
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MODULATION SPEED
Adjustable from 0.1 to 6.0 minutes Default: 0.1 minutes
SELECT: MENU/<Maintenance>/Mod Speed
(Available in Process Mode Only)
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BSC output. This allows BSC set to Process Operating Mode to respond accurately to
system changes. See Operating Mode on page 1.
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Modulation Speed to the longest motor speed.
------ MOD SPEED -----
0.1min
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