Emerson SZO22 Air Compressor User Manual


 
17 2008SSD-34 (5/08)
Dual-Compressor Module Operation
Table 4 Typical VFD parameters
Parameter Description
Typical
Value
01 Minimum speed (Hz) 40.0
02 Maximum speed (Hz) 80.0
03 Acceleration rate (s/100 Hz) 1.0
04 Deceleration rate (s/100 Hz) 10.0
05 Speed reference select A1.A2
06 Motor rated current 23
07 Motor rated speed (rpm) 4800
08 Motor rated voltage 367
09 Power factor 0.94
10 Parameter access L2
16 Current input mode 4-20
31 Stopping mode 0
35 Start/stop logic 4
39 Rated frequency (Hz) 80.0
48 Voltage mode select 2
3.0 OPERATION
3.1 Initial Startup - Compressor Module
The following inspections should be made on initial startup—-typically, by the Packager—and after long
periods of storage.
Verify acceptable pre-startup conditions using the checklist in 3.1.1 - Pre-Startup Checklist.
Start the Compressor Module, then perform the checks in 3.1.2 - Post-Startup Checklist.
3.1.1 Pre-Startup Checklist
Perform these checks BEFORE starting the Compressor Module: