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Ramp up %/min, Ramp down %/min, Load start pct – AERCO BMS II BOILER User Manual

Page 47: Load stop pct, Reset defaults, Operation

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OPERATION

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RAMP UP %/MIN

This sets the maximum Percent Level ramp up rate for the BMS II. The Percent Level output will follow
the PID output if it is slower than this rate. The default setting is 20% per minute. Refer to the following
example:

RAMP UP %/MIN.

Time Required To Go

From 0% To 100%

20

5 Minutes

40

2.5 Minutes

50

2 Minutes

NOTE

To turn off the RAMP UP %/MIN function, set the value to zero (0).

RAMP DOWN %/MIN

This sets the maximum Percent Level ramp down rate for the BMS II. The Percent Level output will follow
the PID output if it is slower than this rate. The default setting is 200% per minute. Refer to the following
example:

RAMP DOWN %/MIN.

Time Required To Go

From 100% To 0%

200

30 Seconds

300

20 Seconds

100

1 Minute

NOTE

To turn off the RAMP DOWN %/MIN function, set the value to zero (0).

LOAD START PCT

When the SYS START OPTION is set to TEMP AND LOAD, this parameter determines the percent of
load value at or above which the “load” portion of the parameter is true. This value cannot exceed the
BLR START LEVEL set in the Configuration Menu The default setting is 1%.

LOAD STOP PCT

When the SYS START OPTION is set to TEMP AND LOAD, this parameter determines the percent of
load value at or below which the “load” portion of the parameter is false. This value cannot exceed the
BLR STOP LEVEL set in the Configuration Menu nor the LOAD START PCT. The default is 0%.

RESET DEFAULTS

This option is used to set the BMS II to its factory default values. Make sure that you want to reset all
options before activating.