Carrier 23XL Specifications Page 71
- Page / 104
- Table of contents
- BOOKMARKS
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Table 10 — LID Primary and Secondary Messages and Custom Alarm/Alert Messages
with Troubleshooting Guides (cont)
D. PRE-START FAILURES
PRIMARY MESSAGE SECONDARY MESSAGE ALARM MESSAGE/PRIMARY CAUSE ADDITIONAL CAUSE/REMEDY
PRESTART ALERT STARTS LIMIT EXCEEDED STARTS EXCESSIVE Compressor Starts
(8 in 12 hours)
Depress the reset softkey if additional start
is required.
PRESTART ALERT HIGH MOTOR TEMPERATURE MTRW VALUE exceeded limit of [LIMIT]*.
Check motor temperature.
Check motor cooling line for proper op-
eration. Check for excessive starts within
a short time span.
PRESTART ALERT OIL PRESS./LEVEL SAFETY OILSS check oil level in sump. Check for low oil level. Check oil level switch
operation.
PRESTART ALERT HIGH DISCHARGE TEMP CMPD VALUE exceeded limit of [LIMIT]*.
Check condenser temperature.
Check sensor accuracy.
PRESTART ALERT LOW REFRIGERANT TEMP ERT VALUE exceeded limit of [LIMIT]*.
Check refrigerant temperature.
Check transducer accuracy. Check for low
chilled water/brine supply temperature.
PRESTART ALERT† LOW OIL TEMPERATURE OILT VALUE exceeded limit of [LIMIT]*.
Check oil temperature.
Check oil heater power under oil sump tem-
perature control (see page 29), oil heater
relay.
PRESTART ALERT LOW LINE VOLTAGE V P VALUE exceeded limit of [LIMIT]*.
Check voltage supply.
Check voltage supply. Check voltage trans-
formers. Consult power utility if voltage is
low.
PRESTART ALERT HIGH LINE VOLTAGE V P VALUE exceeded limit of [LIMIT]*.
Check voltage supply.
Same as above.
PRESTART ALERT LOADSHED/RED LINE ACTIVE DEM LIM Redline and/or
Loadshed active.
Check Loadshed function on Config
table is disabled. Send a Cancel Redline
or Cancel Loadshed command. Check
MAXIMUM LOADSHED TIME has elapsed.
PRESTART ALERT HIGH CONDENSER PRESSURE CRP VALUE exceeded limit of [LIMIT]*.
Check condenser water and transducer.
Check for high condenser water tempera-
ture. Check transducer accuracy.
*[LIMIT] is shown on the LID as temperature, pressure, voltage, etc., predefined or selected by the operator as an override or an alert.
†Applicable to Frame 1 and 2 machines only.
E. NORMAL OR AUTO.-RESTART
PRIMARY MESSAGE SECONDARY MESSAGE STATUS
STARTUP IN PROGRESS OCCUPIED MODE Machine starting. Time schedule is occupied.
STARTUP IN PROGRESS REMOTE CONTACT CLOSED Machine starting. Remote contacts are closed.
STARTUP IN PROGRESS START COMMAND IN EFFECT
Machine starting. Chiller START/STOP on Status01 manu-
ally forced to start.
AUTORESTART IN PROGRESS OCCUPIED MODE Machine starting. Time schedule is occupied.
AUTORESTART IN PROGRESS REMOTE CONTACT CLOSED Machine starting. Remote contacts are closed.
AUTORESTART IN PROGRESS START COMMAND IN EFFECT
Machine starting. Chiller START/STOP on Status01 manu-
ally forced to start.
71
- 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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