CONTENTS
Page
SAFETY CONSIDERATIONS
. . . . . . . . . . . . . . . . . 1
INTRODUCTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ABBREVIATIONS AND EXPLANATIONS
. . . . . . 4
CHILLER FAMILIARIZATION
. . . . . . . . . . . . . . . . 5-7
Chiller Information Plate
. . . . . . . . . . . . . . . . . . . . 5
System Components
. . . . . . . . . . . . . . . . . . . . . . . . 5
Cooler
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Condenser
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Motor-Compressor
. . . . . . . . . . . . . . . . . . . . . . . . . . 5
Control Panel
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Factory-Mounted Starter (Optional)
. . . . . . . . . . 7
Storage Vessel (Optional)
. . . . . . . . . . . . . . . . . . . 7
REFRIGERATION CYCLE
. . . . . . . . . . . . . . . . . . . . 7
MOTOR AND LUBRICATING OIL
COOLING CYCLE
. . . . . . . . . . . . . . . . . . . . . . . . 7,8
LUBRICATION CYCLE
. . . . . . . . . . . . . . . . . . . . . . 8
Summary
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Details
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Oil Reclaim System
. . . . . . . . . . . . . . . . . . . . . . . . . 8
• PRIMARY OIL RECOVERY MODE
• SECONDARY OIL RECOVERY METHOD
STARTING EQUIPMENT
. . . . . . . . . . . . . . . . . . . . . 8-10
Unit-Mounted Solid-State Starter
(Optional)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Unit-Mounted Wye-Delta Starter
(Optional)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
CONTROLS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-43
Definitions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
• ANALOG SIGNAL
• DISCRETE SIGNAL
General
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
PIC II System Components
. . . . . . . . . . . . . . . . .
10
• CHILLER VISUAL CONTROLLER (CVC)
• INTEGRATED STARTER MODULE (ISM)
• CHILLER CONTROL MODULE (CCM)
• OIL HEATER CONTACTOR (1C)
• OIL PUMP CONTACTOR (2C)
• HOT GAS BYPASS CONTACTOR RELAY (3C)
(Optional)
• CONTROL TRANSFORMERS (T1, T2)
CVC Operation and Menus
. . . . . . . . . . . . . . . . .
14
• GENERAL
• ALARMS AND ALERTS
• CVC MENU ITEMS
• BASIC CVC OPERATIONS (Using the Softkeys)
• TO VIEW STATUS
• OVERRIDE OPERATIONS
• TIME SCHEDULE OPERATION
• TO VIEW AND CHANGE SET POINTS
• SERVICE OPERATION
PIC II System Functions
. . . . . . . . . . . . . . . . . . .
32
• CAPACITY CONTROL
• ECW CONTROL OPTION
• CONTROL POINT DEADBAND
• DIFFUSER CONTROL
• PROPORTIONAL BANDS AND GAIN
• DEMAND LIMITING
• CHILLER TIMERS
• OCCUPANCY SCHEDULE
Safety Controls
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
33
Shunt Trip (Option)
. . . . . . . . . . . . . . . . . . . . . . . .
35
Default Screen Freeze
. . . . . . . . . . . . . . . . . . . . .
35
Ramp Loading
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35
Capacity Override
. . . . . . . . . . . . . . . . . . . . . . . . .
35
High Discharge Temperature Control
. . . . . . .
35
Oil Sump Temperature Control
. . . . . . . . . . . . .
35
Page
Oil Cooler
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36
Remote Start/Stop Controls
. . . . . . . . . . . . . . . .
36
Spare Safety Inputs
. . . . . . . . . . . . . . . . . . . . . . . .
36
Spare Safety Alarm Contacts
. . . . . . . . . . . . . .
36
Refrigerant Leak Detector
. . . . . . . . . . . . . . . . . . . 36
Condenser Pump Control
. . . . . . . . . . . . . . . . . .
36
Condenser Freeze Prevention
. . . . . . . . . . . . . .
37
Tower Fan Relay Low and High
. . . . . . . . . . . . .
37
Auto. Restart After Power Failure
. . . . . . . . . . .
37
Water/Brine Reset
. . . . . . . . . . . . . . . . . . . . . . . . .
37
• RESET TYPE 1
• RESET TYPE 2
• RESET TYPE 3
Demand Limit Control Option
. . . . . . . . . . . . . . . . 38
Surge Prevention Algorithm
. . . . . . . . . . . . . . . .
38
Surge Protection
. . . . . . . . . . . . . . . . . . . . . . . . . .
39
Lead/Lag Control
. . . . . . . . . . . . . . . . . . . . . . . . . .
39
• COMMON POINT SENSOR INSTALLATION
• CHILLER COMMUNICATION WIRING
• LEAD/LAG OPERATION
• FAULTED CHILLER OPERATION
• LOAD BALANCING
• AUTO. RESTART AFTER POWER FAILURE
Ice Build Control
. . . . . . . . . . . . . . . . . . . . . . . . . .
41
• ICE BUILD INITIATION
• START-UP/RECYCLE OPERATION
• TEMPERATURE CONTROL DURING
ICE BUILD
• TERMINATION OF ICE BUILD
• RETURN TO NON-ICE BUILD OPERATIONS
Attach to Network Device Control
. . . . . . . . . .
42
• ATTACHING TO OTHER CCN MODULES
Service Operation
. . . . . . . . . . . . . . . . . . . . . . . . .
43
• TO ACCESS THE SERVICE SCREENS
• TO LOG OUT OF NETWORK DEVICE
• HOLIDAY SCHEDULING
START-UP/SHUTDOWN/RECYCLE
SEQUENCE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44,45
Local Start-Up
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44
Shutdown Sequence
. . . . . . . . . . . . . . . . . . . . . . .
45
Automatic Soft Stop Amps Threshold
. . . . . . .
45
Chilled Water Recycle Mode
. . . . . . . . . . . . . . . .
45
Safety Shutdown
. . . . . . . . . . . . . . . . . . . . . . . . . .
45
BEFORE INITIAL START-UP
. . . . . . . . . . . . . . . . 46-58
Job Data Required
. . . . . . . . . . . . . . . . . . . . . . . . .
46
Equipment Required
. . . . . . . . . . . . . . . . . . . . . . .
46
Using the Optional Storage Tank
and Pumpout System
. . . . . . . . . . . . . . . . . . . .
46
Remove Shipping Packaging
. . . . . . . . . . . . . . .
46
Open Oil Circuit Valves
. . . . . . . . . . . . . . . . . . . .
46
Tighten All Gasketed Joints and
Guide Vane Shaft Packing
. . . . . . . . . . . . . . . .
46
Check Chiller Tightness
. . . . . . . . . . . . . . . . . . . .
46
Refrigerant Tracer
. . . . . . . . . . . . . . . . . . . . . . . . .
46
Leak Test Chiller
. . . . . . . . . . . . . . . . . . . . . . . . . .
48
Standing Vacuum Test
. . . . . . . . . . . . . . . . . . . . .
48
Chiller Dehydration
. . . . . . . . . . . . . . . . . . . . . . . .
51
Inspect Water Piping
. . . . . . . . . . . . . . . . . . . . . . .
51
Check Optional Pumpout Compressor
Water Piping
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
51
Check Relief Valves
. . . . . . . . . . . . . . . . . . . . . . .
51
Inspect Wiring
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
51
Carrier Comfort Network Interface
. . . . . . . . . .
52
Check Starter
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
52
• MECHANICAL STARTER
• BENSHAW, INC. REDISTART MICRO
SOLID-STATE STARTER
Oil Charge
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
2
Summary of Contents for HERMETIC CENTRIFUGAL LIQUID CHILLERS 19XR
Page 13: ...Fig 10 Control Panel Fig 11 Power Panel 13 ...
Page 47: ...Fig 25 19XR Leak Test Procedures 47 ...
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