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Valent_IOM_Controls - RJI-Sales.com

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Leaving Coil LL Setpt<br />

Compressors will start to stage off if the coil<br />

temperature drops below this temperature in cooling<br />

mode.<br />

Editable<br />

Range: 30-50°F<br />

Default: 42°F<br />

Optimized Start<br />

This point will be set to true automatically when the<br />

optimized start stop enable is set to OSS Enable. This<br />

point allows users to select whether the unit will<br />

allow optimized start functionality. Optimized start<br />

will optimally calculate the start time based on<br />

historical data including: space temperature, space<br />

setpoint, outside air temperature.<br />

45. true<br />

46. false (default)<br />

Editable<br />

Optimized Stop<br />

This point will be set to true automatically when the<br />

optimized start stop enable is set to OSS Enable. This<br />

point allows users to select whether the unit will<br />

allow optimized stop functionality. Optimized stop<br />

will optimally calculate the stop time based on<br />

historical data including: space temperature, space<br />

setpoint, outside air temperature.<br />

47. true<br />

48. false (default)<br />

Editable<br />

Optimized SS Ena<br />

Allows user to select whether the unit will allow<br />

optimized start stop functionality. Optimized start<br />

stop will optimally calculate the start and stop time<br />

based on historical data including: space temperature,<br />

space setpoint, outside air temperature.<br />

49. Enabled<br />

50. Disabled (default)<br />

Editable<br />

Alarm<br />

1. Critical Alarms Only<br />

Only alarms that shut down the unit will trigger the<br />

alarm output.<br />

• Supply Air Temperature High Alarm<br />

• Supply Air Temperature Low Alarm<br />

• Supply Air Temperature Failed Alarm<br />

• Unit Shutdown Input<br />

• Duct Static High Limit<br />

• Supply Fan Status Alarm<br />

2. Moderate Alarms<br />

All of the alarms above plus these additional alarms<br />

will trigger the alarm output.<br />

• High/Low Press Cutout -A<br />

• High/Low Press Cutout -B<br />

• HP Circuit A Press Cutout<br />

• HP Circuit A Press Cutout<br />

• Exhaust Fan Status Alarm<br />

3. All Alarms<br />

All of the units alarms will trigger the alarm output.<br />

• Rotation Sensor<br />

• Filter Alert<br />

Max Exh VFD Spd<br />

Displays and edits the maximum speed for the<br />

exhaust fan. Depending on the exhaust fan sequence,<br />

the exhaust fan will track the supply fan, the outside<br />

air damper, or to maintain a space static. Regardless<br />

of the sequence the exhaust fan VFD will never be<br />

controlled to a speed of greater than this percentage.<br />

Range: 50-110%<br />

Default: 50%<br />

<strong>Controls</strong> V2 <strong>IOM</strong> 42 May 2011<br />

Part Number 474626

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