X-Series System Automation

X4I

X8I

X12I

Number of Compressors

4

8

12

Compressor Integration

Fixed Speed – On-line/Off-line

X

X

X

IR-VSD 7.5-40 hp Nirvana

X

X

X

IR-VSD 50-300 hp Nirvana

X

X

Other VFD or Variable Capacity Control

X

X

System Pressure

Standard 0-232 psig (Optional up to 1,000 psig)

X

X

X

Programmable Pressure Profiles

3

4

6

System Control Modes

Programmable on Elapsed Time

X

X

X

Programmable on Real Time

X

X

X

EHR (Equal Hours – Run Time)

X

X

X

FIFO (First in – First out)

X

FILO (First in – Last out)

X

X

X

ENER (Energy Control – Auto Sequence Selection)

X

X

Special Control Functionality

System Standby

X

X

X

System Pre-fill

X

X

X

Program Bypass (Immediate Forward)

X

X

X

Power Outage Restart

X

X

X

Controller Failure, Revert to local

X

X

X

Prioritized Compressor Selection

X

X

X

Anti-cycling Control – Rate of Pressure Change

X

X

X

Pressure Balancing Function

X

Zone Control Function

X

Auxiliary Equipment Pre-start Function

X

System Instrumentation Inputs (4-20 mA)

X

Auxiliary Input Contact – Remote Control

Configurable Remote Control Function

1

1

1

Dedicated Control Functions

9

Auxiliary Output Contact – Remote Control

Configurable Remote Control Function

1

1

5

X-Series Network Integration Options

Bolt-on or Competitive VFD Integration

X

X

Remote I/O – System Instrumentation/Control

up to 2

up to 12

Remote Communication – System Modbus Gateway

X

X

System Visualization – Hardware and Software

X

X