Carrier XRV Spécifications Page 16
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
16
INTERNATIONAL CHILLER VISUAL CONTROLLER
(ICVC) — The ICVC is the “brain” of the PIC III system. This
module contains all the operating software needed to control
the chiller. The ICVC is mounted to the control panel (Fig. 10)
and is the input center for all local chiller set points, schedules,
configurable functions, and options. The ICVC has a stop
button, an alarm light, four buttons for logic inputs, and a
backlight display. The backlight will automatically turn off
after 15 minutes of non-use. The functions of the four buttons
or “softkeys” are menu driven and are shown on the display
directly above the softkeys.
The viewing angle of the ICVC can be adjusted for opti-
mum viewing. Remove the 2 bolts connecting the control panel
to the brackets attached to the cooler. Place them in one of the
holes to pivot the control panel forward to backward to change
the viewing angle. To change the contrast of the display, access
the adjustment on the back of the ICVC. See Fig. 10.
The ICVC features 4 factory programmed languages:
• English (default)
• Chinese
• Japanese
•Korean
NOTE: Pressing any one of the four softkey buttons will acti-
vate the backlight display without implementing a softkey
function.
The ICVC may be identified by viewing the back of the
plate on which the display is mounted. (Open the control panel
door to view.) Note any of the following distinguishing features
in Table 2.
Table 2 — Identification Features of the ICVC
CHILLER CONTROL MODULE (CCM) — This module is
located in the control panel. The CCM provides the input and
outputs necessary to control the chiller. This module monitors
refrigerant pressure, entering and leaving water temperatures,
and outputs control for the guide vane actuator, oil heaters, and
oil pump. The CCM is the connection point for optional
demand limit, chilled water reset, remote temperature reset,
and motor kilowatt output.
OIL HEATER CONTACTOR (1C) — This contactor is lo-
cated in the power panel (Fig. 11) and operates the heater at
115 v. It is controlled by the PIC III to maintain oil temperature
during chiller shutdown. Refer to the control panel wiring
schematic.
OIL PUMP CONTACTOR (2C) — This contactor is located
in the power panel. It operates all 380 to 480-v oil pumps.
The PIC III energizes the contactor to turn on the oil pump as
necessary.
HOT GAS BYPASS CONTACTOR RELAY (3C)
(Optional) — This relay, located in the power panel, controls
the opening of the hot gas bypass valve. The PIC III energizes
the relay during low load, high lift conditions.
OIL COOLER THERMOSTATIC
EXPANSION VALVE (TXV)
OIL COOLER THERMOSTATIC
EXPANSION VALVE (TXV) BULB
OIL HEATER TERMINAL
BOX
HIGH PRESSURE
SWITCH LOCATION
COMPRESSOR DISCHARGE
TEMPERATURE SENSOR
CABLE
GUIDE VALVE
ACTUATOR CABLE
DIFFUSER PRESSURE
AND DIFFUSER ACTUATOR
CABLE (FRAME 4 & 5
COMPRESSOR ONLY)
OIL RECLAIM
SIGHT GLASS
CABLE FROM
CONTROL PANEL
COMPRESSOR OIL SUMP
TEMPERATURE CABLE
COMPRESSOR OIL SUMP
PRESSURE CABLE
BEARING TEMPERATURE
SENSOR CABLE
COMPRESSOR OIL DISCHARGE
PRESSURE CABLE
MOTOR TEMPERATURE
SENSOR CABLE
Fig. 9 — 19XRV Compressor Controls and Sensor Locations
a19-1606
CONTROLLER
COLOR
OF
PLATE
CEPL No.
(hardware)
SOFTWARE
OTHER
MARKINGS
ICVC Metallic
CEPL
130445-02
CESR
131350-0X
“PIC III”
Marking
on back
of green
circuit
board
- EVERGREEN 1
- 50/60 Hz 1
- CONTENTS 2
- CONTENTS (cont) 3
- INTRODUCTION 4
- CHILLER FAMILIARIZATION 5
- (Fig. 1 and 2) 5
- REAR VIEW 7
- FRONT VIEW 7
- REFRIGERATION CYCLE 8
- MOTOR AND LUBRICATING OIL 8
- COOLING CYCLE 8
- STARTING EQUIPMENT 10
- OPTIONAL 11
- 442A AND 608A VFDs 12
- 900A AND 1200A VFDs 12
- CONTROLS 15
- Definitions 15
- Fig. 10 — Control Panel 17
- Fig. 11 — Power Panel 17
- 55.1 44.1 40.7 20
- 85.0 95.0 98.1 20
- 21.8 132.9 93 20
- Table 4 — ICVC Display Data 27
- 0.1-3.0 SP_HIGH 28
- 0.1-3.0 SP_HIGH 1.0 37
- PIC III System Functions 40
- ECW-10 sec 41
- Error, Gain = 1 41
- Error, Gain = 3 41
- START-UP/SHUTDOWN/ 57
- RECYCLE SEQUENCE (Fig. 27) 57
- Local Start-Up — 57
- Shaft Packing — 60
- LIQUID LINE 63
- Temperature (F) 64
- Temperature (C) 64
- • Surge/ HGBP Deadband = 1 69
- ΔT increase 70
- Delta Tsat 71
- ALARM CONTROL 72
- ALARM ROUTING 72
- LEGEND TO TABLES 16A-16J 91
- E. START-UP IN PROGRESS 92
- F. NORMAL RUN 93
- G. NORMAL RUN WITH OVERRIDES 93
- H. OUT-OF-RANGE SENSOR 94
- J. CHILLER ALERTS 99
- J. CHILLER ALERTS (cont) 100
- Control Modules 107
- Notes on Module Operation 107
- RECTIFIER LED 109
- INVERTER LED 109
- Table 30 — Motor Voltage Code 129
- COMPRESSOR, TRANSMISSION AREA 130
- LOW SPEED SHAFT THRUST DISK 131
- LEGEND FOR FIG. 53-58 133
- SEE NOTE 134
- HOT GAS BYPASS 135
- HOT GAS BYPASS OPTION FOR 136
- NOTE: MOTOR OVERLOAD IS 143
- FACTORY PRE-SET 143
- DO NOT ADJUST 143
- COMBINED I/O 144
- TB1 − LF2 146
- TB3 − LF2 146
- VFD (cont) 147
- LEGEND FOR FIG. 60 148
- NOTES FOR FIG. 60 149
- NOTE 3.6 150
- LEGEND FOR FIG. 61 152
- NOTES FOR FIG. 61 153
- 19XRV CHILLERS 154
- STATUS VPF_STAT 163
- APPENDIX B — LEAD/LAG WIRING 165
- 19XRV Weekly Maintenance Log 168
- 19XRV Maintenance Log 169
- 19XRV Seasonal Shutdown Log 170
- 10's 171
- 1's 171
- — The LEDs indicate if the 175
- Table G — Network Points List 176
- INITIAL START-UP CHECKLIST 179
- No 180
- *If yes, determine cause 180
- DRAWINGS) 180
- 0.1 to 3.0 184
- CCN LOCAL RESET MENU 190
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