Appendix A
•
Unloaders
A – 5
MicroVission Controller • Operation and Service Manual • Emerson • 2017VM-16 1.0
* 0 = output OFF
1 = output ON
Table A-13. Type 13 Unloader - Cylinders: 8, 16
Unloading Percentage: 25%, 50%, 75%, 100% *
% Load
Compressor Start Output
Unloader
Output #1
Unloader
Output #2
Unloader
Output #3
Unloader
Output #4
% Unload
0 (OFF)
0
0
0
0
0
100
0 (ON)
1
1
1
1
1
100
25
1
0
1
1
1
75
50
1
0
0
1
1
50
75
1
0
0
0
1
25
100
1
0
0
0
0
0
Table A-14. Type 14 Unloader - Cylinders: 6
Unloading Percentage: 33%, 50%, 66%
Unloading - Single cylinder on Unloader Output #1 *
% Load Compressor Start Output
Unloader
Output #1
(single cylinder)
Unloader
Output #2
(single cylinder)
Unloader
Output #3
(double
cylinder)
Unloader
Output #4
(double
cylinder)
% Unload
0 (OFF)
0
0
0
0
0
100
25
1
1
1
1
1
75
37
1
0
1
1
1
63
50
1
0
0
1
1
50
62
1
0
1
0
1
38
75
1
0
0
0
1
25
87
1
0
1
0
0
13
100
1
0
0
0
0
0
Table A-15. Type 15 Unloader - Cylinders: 8
Unloading Percentage: 13%, 25%, 38%, 50%, 63%, 75%
Unloading - Single cylinder on Unloader Output #1 and Output #2 *
% Load
Compressor Start Output
Unloader
Output #1
(single cylinder)
Unloader
Output #2
(double cylinder)
Unloader
Output #3
(double cylinder)
% Unload
0 (OFF)
0
0
0
0
100
33
1
0
1
1
66
50
1
1
0
1
50
66
1
0
0
1
33
100
1
0
0
0
0
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