Carrier 23XL Specifikace Strana 73
- Strana / 104
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Table 10 — LID Primary and Secondary Messages and Custom Alarm/Alert Messages
with Troubleshooting Guides (cont)
G. COMPRESSOR JUMPSTART AND REFRIGERANT PROTECTION
PRIMARY MESSAGE SECONDARY MESSAGE ALARM MESSAGE/
PRIMARY CAUSE
ADDITIONAL CAUSE/REMEDY
UNAUTHORIZED
OPERATION
UNIT SHOULD BE STOPPED CA P Emergency: Compressor run-
ning without control authorization.
Compressor is running with more than 10%
RLA and control is trying to shut it
down. Throw power off to compressor if
unable to stop. Determine cause before
repowering.
POTENTIAL FREEZE-UP EVAP PRESS/TEMP
TOO LOW
ERT Emergency: Freeze-up
prevention.
Determine cause. If pumping refrigerant
out of machine, stop operation and go over
pumpout procedures.
FAILURE TO STOP DISCONNECT POWER RUN AUX Emergency: DISCON-
NECT POWER.
Starter and run and start contacts are en-
ergized while control tried to shut down.
Disconnect power to starter.
LOSS OF
COMMUNICATION
WITH STARTER Loss of Communication with Starter:
Check machine.
Check wiring from PSIO to SMM. Check
SMM module troubleshooting procedures.
STARTER CONTACT
FAULT
ABNORMAL 1CR OR
RUN AUX
CR AUX Starter Contact Fault: Check
1CR/1M aux. contacts.
Starter run and start contacts energized
while machine was off. Disconnect power.
POTENTIAL FREEZE-UP COND PRESS/TEMP TOO LOW CRT Emergency: Freeze-up
prevention.
The condenser pressure transducer is read-
ing a pressure that could freeze the water
in the condenser tubes. Check for con-
denser refrigerant leaks, bad transduc-
ers, or transferred refrigerant. Place unit
in Pumpdown mode to eliminate ALARM
if vessel is evacuated.
H. NORMAL RUN WITH RESET, TEMPERATURE, OR DEMAND
PRIMARY MESSAGE SECONDARY MESSAGE PROBABLE CAUSE/REMEDY
RUNNING — RESET ACTIVE 4-20MA SIGNAL
Reset program active based upon CONFIG table set-up.RUNNING — RESET ACTIVE REMOTE SENSOR CONTROL
RUNNING — RESET ACTIVE CHW TEMP DIFFERENCE
RUNNING — TEMP CONTROL LEAVING CHILLED WATER Default method of temperature control.
RUNNING — TEMP CONTROL ENTERING CHILLED WATER ECW control activated on CONFIG table.
RUNNING — TEMP CONTROL TEMPERATURE RAMP LOADING Ramp loading in effect. Use Service1 table to modify.
RUNNING — DEMAND LIMITED BY DEMAND RAMP LOADING Ramp loading in effect. Use Service1 table to modify.
RUNNING — DEMAND LIMITED BY LOCAL DEMAND SETPOINT Demand limit set point is , actual demand.
RUNNING — DEMAND LIMITED BY 4-20MA SIGNAL
Demand limit is active based on CONFIG table set-up.RUNNING — DEMAND LIMITED BY CCN SIGNAL
RUNNING — DEMAND LIMITED BY LOADSHED/REDLINE
RUNNING — TEMP CONTROL HOT GAS BYPASS
Hot Gas Bypass is energized. See surge prevention in the
control section.
RUNNING — DEMAND LIMITED BY LOCAL SIGNAL Active demand limit manually overridden or Status01 table.
RUNNING — TEMP CONTROL ICE BUILD Machine in Ice Build temperature control.
73
- Instructions 1
- CONTENTS 2
- CONTENTS (cont) 3
- FRONT VIEW 5
- REAR VIEW 5
- STARTING EQUIPMENT 11
- CONTROLS 13
- Controls Definitions 13
- Fig. 20 — 23XL Menu Structure 19
- PIC System Functions 22
- Table 3 — LID Screens 24
- LEAD/LAG CONFIGURATION SCREEN 26
- Table 3 — LID Screens (cont) 26
- Flow Switch (Field Supplied) 30
- Fig. 24 and 25) — 32
- Lead/Lag Control 33
- Ice Build Control 34
- START-UP/SHUTDOWN/ 37
- RECYCLE SEQUENCE (Fig. 28) 37
- Local Start-Up — 37
- (Frame 1 and 2 Machines) 44
- (Frame 4 Machines) 45
- Inspect Wiring 49
- Check Starter 49
- NOTE: Adjustments: 51
- 60 seconds 51
- Compressor — 55
- INITIAL START-UP 56
- Preparation — 56
- Check Rotation 56
- PUMPOUT AND REFRIGERANT 61
- TRANSFER PROCEDURES 61
- LEGEND FOR TABLE 10, A - N 70
- D. PRE-START FAILURES 71
- E. NORMAL OR AUTO.-RESTART 71
- F. START-UP FAILURES 72
- L. MACHINE ALERTS 76
- Control Modules 80
- Notes on Module Operation 80
- FLT — Fault LED 84
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