Emerson SZV22 Manuel D’Utilisation
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 O
PERATION
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.
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.
• 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: