Chromalox 8003 user manual P22 = Alarm 2 Relay Action

P22 = Alarm 2 Relay Action

This parameter is available only if P10 is different from 0 and P16 is different from OFF.

r= Reverse (relay de-energized in alarm condition) d = Direct (relay energized in alarm condition)

P23 = Automatic Adjustment of "Relative Cooling Gain" OFF = the SMART function does not adjust the "relative cooling gain" parameter

ON = the SMART function adjusts the "relative cooling gain" parameter

P24 = Output Maximum Rate of Change

This parameter allows you to set the output maximum rate of change. P24 is programmable from 1 to 10% per second change of the control output. If blank display, no rate is applied and output changes in steps.

P25 = Protected Parameter Viewing

This parameter is available only if P18 is different from 0. OFF = all protected parameters are not displayed

ON = the parameter values are displayed

P26 = SMART enabled/disabled

0 = SMART function is disabled

1 = SMART function enabling/disabling is NOT protected by the security code

2 = SMART function enabling/disabling is protected by the security code

P27 = Proportional Band Maximum Limit is Adjustable SMART function—This parameter may be programmed from P28 or P29 value to 99.9.

P28 = Proportional Band Minimum Limit is Adjustable SMART function in heating control only—This parameter may be programmed from 1.0% to P27 value.

P29 = Proportional Band Minimum Value is Adjustable SMART function in heating/cooling only—This parameter may be programmed from 1.5% to P27 value.

8 Chromalox 8003 User's Manual