Ramp up %/min, Ramp down %/min, Load start pct – AERCO BMS II BOILER User Manual
Page 47: Load stop pct, Reset defaults, Operation

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.