SGNe Troubleshooting Guide Page 6
Revision 1.0; Davidson, May 2009. ©Ingersoll Rand Proprietary Information
SGNe
Troubleshooting Guide
Danger
Please utilize extreme caution when performing work within the compressor cabinet.
When opening the cabinet: be certain to wear appropriate PPE (Personal Protective Equipment),
follow lock out-tag out procedures, and ensure all safety procedures are followed
.
Units of Measure
The units of measure selections are PSI & Deg F, PSI & Deg C, BAR & Deg C, kPa &
Deg C, and KGCM2 & Deg C.
Whenever the units of measure are changed, the Intellisys will transmit a new
target pressure to the VSD. Along with the target pressure, the Intellisys will also
transmit new minimum and maximum speeds to the VSD. The minimum and
maximum speed is determined from a table, based on the compressor model
and the target pressure.
Compressor Type
The type of compressor will be selected here. The choices are listed below.
Compressor Type and Target Pressure will be used to determine the
compressor’s maximum speed once the speed curves have been generated.
Whenever the compressor type is changed, the Intellisys will transmit new
minimum and maximum speeds to the VSD. The minimum and maximum
speed is determined from a table, based on the compressor model and the
target pressure.
Single Stage 2-Stage, Low Pressure 2-Stage, High Pressure
37 kW/50 HP 1-S 75 kW/100 HP 2-S 90 kW 2-S
45 kW/60 HP 1-S 90 kW 2-S 125 HP 2-S
55 kW/75 HP 1-S 125 HP 2-S 110 kW 2-S
75kW/100HP 1-S 110 kW 2-S 150 HP 2-S
90 kW 1-S 150 HP 2-S 132 kW 2-S
125 HP 1-S 132 kW 2-S 200 HP 2-S
110 kW 1-S 200 HP 2-S 160 kW 2-S
150 HP 1-S 160 kW 2-S
132 kW 1-S 250 HP 2-S
200 HP 1-S 200 kW 2-S
160kW 1-S 300 HP 2-S
250 kW 2-S
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