Carlyle 06ZCE1H3AA06013, Инструкция по применению

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VI PISTON CONTROL
Compressor models 06ZC, 06ZF, 06ZJ are specifically designed
for VFD application ONLY and do not incorporate a slide valve
for capacity control. To optimize compressor efficiency, the com-
pressor is equipped with a Vi piston valve to optimize the com-
pression process, see Fig. 10. The PCM controller will control the
Vi piston automatically based on the compressor’s suction and dis-
charge pressure ratio.
Fig. 10 — Vi Piston Valve Location
PCM CONFIGURATION SETUP
These compressor models will be capacity controlled with an ex-
ternal VFD drive. Therefore the PCM module will be required for
compressor protection and Vi control only. Configuration can be
accessed through the controller setup menu, see Fig. 11.
Configure PCM per the following three options (Fig. 12):
1. Vi Piston and Compressor Protection.
2. Vi Piston only.
3. Compressor protection only
Fig. 11 — Controller Setup Menu
Fig. 12 — PCM Configuration Menu
COMPRESSOR PROTECTION
Motor and discharge temperature control for a screw compressor
is critical. Excessive motor and discharge gas temperatures can
cause premature compressor failure; therefore control of these
temperatures is very important. The PCM monitors these tem-
peratures through the use of the factory-installed 5K thermistor in
the motor windings and a field-installed 5K thermistor in the com-
pressor discharge temperature thermo-well. When the thermistors
indicate an overheated condition, the PCM will perform the
following:
• Energize a liquid injection valve, sending cool liquid into
the motor compartment.
• Trip the compressor off.
Motor Temperature (Tm) will have the following functions.
• Control a motor cooling valve to provide liquid injection to
the motor compartment.
• Turn the compressor off on an overheated motor tempera-
ture condition.
• See Table 6: Motor and Discharge Temperature Control
Points.
Discharge Temperature (Td) will have the following functions.
• Turn the compressor off on a high discharge temperature
condition.
• See Table 6: Motor and Discharge Temperature Control
Points.
LED FAULT INDICATION
The PCM will provide an LED alarm output signal to the
System Controller when a compressor fault condition arises.
See Table 7.
The Vi piston valve is solenoid controlled
and the following coil voltages can be
applied...24vac, 120vac, 240vac.
BAC
view
ALARM
C a r l y l e C o m p r e s s o r S o f t w a r e v 2 . 0 C a r l y l e C o m p r e s s o r S o f t w a r e v 2 . 0
C o m p S t a t u s : O n R u n E n a b l e : O f f
C o m p S t a t u s : O n R u n E n a b l e : O f f
[ C o n t r o l l e r S e t u p ] [ C o n t r o l l e r S e t u p ]
S u c t i o n P r e s s u r e : 4 9 . 7 p s i g S u c t i o n P r e s s u r e : 4 9 . 7 p s i g
BAC
view
ALARM
- - - - - - - - - - - C o n t r o l l e r S e t u p - - - - - - - - - - - - - - - - - - - - - - C o n t r o l l e r S e t u p - - - - - - - - - - -
C o n t r o l : [ V i P i s t o n w / C o m p P r o t e c t ] C o n t r o l : [ V i P i s t o n w / C o m p P r o t e c t ]
C o n t r o l V a r i a b l e : S u c t i o n P r e s s
C o n t r o l V a r i a b l e : S u c t i o n P r e s s
[ H o m e ] [ B A C n e t ] [ S t p t s ] [ H o m e ] [ B A C n e t ] [ S t p t s ]
Table 6 — Motor and Discharge Temperature Control Points
ALC CONTROLLER INJECTION ON (°F) INJECTION OFF (°F)
SHUTDOWN
COMPRESSOR (°F)
MANUALLY RESET
COMPRESSOR (°F)
TIME DELAY
REQUIRED BEFORE
MANUAL RESET
(seconds)
Discharge
Temperature (Td)
NA NA Td > 225 Td < 175
3
0
Motor Cooling
Temperature (Tm)
Tm > 240 Tm < 225 Tm > 270 Tm < 225 30