Carrier 19XR Start-Up, Operation And Maintenance Instructions

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

Carrier 19XR Specifications

General

Brand	Carrier
Model	19XR
Category	Chiller
Language	English