Carrier 040-420 - Manual (Page 10)

Table 4B Capacity Control Steps, 080-110 and Associated Modular Units
UNIT
3 0 G N
LOADING LOADING SEQUENCE B
CONTROL
STEPS Displacement
7
4 3
6 0
1 0 0
Displacement Compressors Compressors
Al
Al
Al
Al
Al
Al
Al
Al
Al
A l *
Al
Al
Al
Al
Al
Al
Al
Al
090 (50 Hz)
Al
Al
tt
Al
Al
Al
Al
Al
*
Al
Al
Al
Al
Al
Al
Bl
Al
Al
Al
Al
Al
Al
Al
Al
090 (50 Hz)
Al
100, 2408,
270B (60 Hz)
Al
270B (60 Hz)
1 0
Al
Al
*Unloaded compressor
unloader, standard.
**Compressor unloader, accessory.
unloaders, both unloaded.
NOTE: These capacity control steps may vary due to lag compressor sequencing
1 0