Emerson Copeland EV2 Series User Manual

1 START-UP AND SHUTDOWN SEQUENCE OF THE COMPRESSOR
Table 1 - Start-up Sequence
Stage
Description
Target Speed (rpm)
Ramp Up Rate (rpm/s)
Duration (s)
I
Compressor continues to ramp up
1500 (configurable)
375
4
II
Compressor remains at the
platform speed
1500
-
10
III
Compressor reaches commanded
speed
Commanded
Default = 60
-
Table 2 - Shutdown Sequence
Stage
Description
Target Frequency
(rpm)
Ramp Down Rate
(rpm/s)
I
Compressor Shutdown requested
-
-
II
Compressor gets to minimum
speed
900
Default = 150
III
Compressor Stop
-
-
Figure 1 – Start-up Sequence
Speed
Time
1500-3500 RPM
(Reg.213)
Customer configured
4S
14
S
10S
375RPM/S
60-360RPM/S (Reg.211)
60-360RPM/S (Reg.212)
Ramp Up/Down rate is
Customer configured

Emerson Copeland EV2 Series Specifications

General

Brand	Emerson
Model	Copeland EV2 Series
Category	Controller
Language	English