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System Start-Up
Table 15. Minimum starting Ambient Temperature
Note: Minimum starting ambients in degrees F and is based on the unit operating at minimum step of unloading and 5 mph
Table 16. Compressor Sequence
20
25
30
40
50
60
Note: A, B, C and D indicate which compressor in the unit is operating. (%) indicates the amount of the circuit in operation
94
Unit
With
Size
HGBP
20-60
45°
wind across condenser.
Unit Size
Control Step
1
2
1
2
1
2
1
2
3
4
1
2
3
4
1
2
3
4
during a given step. refer to the compressor location illustration for the unit.
No
With
HGBP
HGBP
40°
10°
Circuit 1
A
50%
A, B
100%
B
40%
A, B
100%
A
50%
A, B
100%
A
50%
A
50%
A
50%
A, B
100%
A
61%
A
61%
A
61%
A, B
100%
A
50%
A
50%
A
50%
A, B
100%
No
HGBP
0°
Circuit 2
C (50%)
C, D (100%)
C, D (100%)
C (61%)
C, D (100%)
C, D (100%)
C (50%)
C, D (100%)
C, D (100%)
SS-SVX09A-EN
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