solenoid which extends from the side of the cylinder
head. When the solenoid is energized 2 cylinders are
unloaded (operating with no pressure differencial) and
absorbed power decreases. A de-energized solenoid
There are two modes of operation for the unloader:
exept that additional states are present based on the
number of loaded cylinders.
See Figure 3-1 to Figure 3-4.
unloader solenoid) via X2 output.
Defrost specific logic (CNF6 ON and CNF8 OFF) :
the refrigeration system and ambient temperature and
control the unloader to maintain a maximum operating
pressure based on these two values (via a pressure
For each operating mode (high speed engine, low
speed engine, standby) a specific varipower equation
pressure is below the equation value the compressor
will run in 6 cylinders if not it will run in 4 cylinders.
solenoid which extends from the side of the cylinder
head. When the solenoid is energized 2 cylinders are
absorbed power decreases. A de-energized solenoid
There are two modes of operation for the unloader:
temperature control and suction pressure control.
except that additional states are present based on the
number of loaded cylinders.
See Figure 3-1 to Figure 3-4.
unloader solenoid) via X2 output.
control the unloader to maintain a maximum operating
pressure based on these two values (via a pressure
For each operating mode (high speed engine, low
speed engine, standby) a specific varipower equation
exists. These specific varipower equations apply to low
and middle ambient temperature.
, if the suction pressure is below
if not it will run in 2 cylinders.Unloader is energized
during engine or standby motor start.
For high ambient temperatures, the high pressure
discharge pressure is above 27.5 bars and does not
de--energize the unloader until 23 bars is reached.
To Next Page
Loading...
