Carrier 19XR manuals
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When we buy new device such as Carrier 19XR we often through away most of the documentation but the warranty.
Very often issues with Carrier 19XR begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Fan Carrier 19XR is responsible for and what options to choose for expected result.
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Carrier 19XR Installation Instructions
40 pages 878.08 Kb
Installation InstructionsSAFETY CONSIDERATIONS 19XR 50/60 Hz Hermetic Centrifugal Liquid Chillers with HFC-134a
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Carrier 19XR Specifications
140 pages 4.52 Mb
Start-Up, Operation, and Maintenance InstructionsSAFETY CONSIDERATIONS 19XR,XRV Hermetic Centrifugal Liquid Chillers 50/60 Hz With PIC II Controls and HFC-134a2 CONTENTS4 CONTENTS (cont)INTRODUCTION ABBREVIATIONS AND EXPLANATIONS 5 CHILLER FAMILIARIZATION (Fig. 1 and 2) Chiller Information Nameplate System Components Cooler Condenser Motor-Compressor Control Panel 7 Factory-Mounted Starter or Variable Fre- quency Drive (Optional) The starter allows for theStorage Vessel (Optional) There are 2 sizes of REFRIGERATION CYCLE MOTOR AND LUBRICATING OIL COOLING CYCLE 8 VFD COOLING CYCLELUBRICATION CYCLE Summary The oil pump, oil filter, and oil cooler make Details Oil is charged into the lubrication system through Oil Reclaim System The oil reclaim system returns 9 STARTING EQUIPMENTUnit-Mounted Solid-State Starter (Optional) 10 Unit-Mounted Wye-Delta Starter (Optional) Unit-Mounted VFD (Optional) The 19XRV unit CONTROLS Definitions 11 General The 19XR hermetic centrifugal liquid chillerPIC II System Components The chiller control 15 CVC/ICVC Operation and Menus (Fig. 14-20)33 PIC II System Functions34 Safety Controls The PIC II monitors all safety control35 Shunt Trip (Option) The function of the shunt tripDefault Screen Freeze When the chiller is in an 36 Ramp Loading The ramp loading control slows downCapacity Override (Table 4) Capacity overrides can High Discharge Temperature Control If the Oil Sump Temperature Control The oil sump Oil Cooler The oil must be cooled when the compres- Remote Start/Stop Controls A remote device, such Spare Safety Inputs Normally closed (NC) discrete 37 Alarm (Trip) Output Contacts One set of alarmRefrigerant Leak Detector An input is available Kilowatt Output An output is available on the CCM Remote Reset of Alarms A standard feature of the Condenser Pump Control The chiller will moni- 38 Condenser Freeze Prevention This control algo-Evaporator Freeze Protection (ICVC only) A Tower Fan Relay Low and High Low condenser Auto. Restart After Power Failure This option Water/Brine Reset Three types of chilled water or 39 Demand Limit Control Option The demand limitSurge Prevention Algorithm (Fixed Speed Chiller) This is an operator-configurable feature that can 40 Surge Prevention Algorithm with VFD This isSurge Protection (Fixed Speed Chiller) Surge Protection VFD Units The PIC II monitors Lead/Lag Control The lead/lag control system auto- 43 Ice Build Control The ice build control option auto-44 Attach to Network Device Control The Service45 Service Operation An overview of the tables and47 Shutdown Sequence Chiller shutdown begins ifAutomatic Soft Stop Amps Threshold The soft Chilled Water Recycle Mode The chiller may Safety Shutdown A safety shutdown is identical to 48 BEFORE INITIAL START-UP Job Data RequiredEquipment Required Using the Optional Storage Tank and Pump- out System Refer to Chillers with Storage Tanks sec- Remove Shipping Packaging Remove any pack- Open Oil Circuit Valves Check to ensure the oil fil- Tighten All Gasketed Joints and Guide Vane Shaft Packing Gaskets and packing normally relax by Check Chiller Tightness Figure 28 outlines the Refrigerant Tracer Carrier recommends the use of an 50 Leak Test Chiller Due to regulations regarding refrig-Standing Vacuum Test When performing the 53 Chiller Dehydration Dehydration is recommended ifInspect Water Piping Refer to piping diagrams pro- Check Optional Pumpout Compressor Water Piping If the optional pumpout storage tank and/or Check Relief Valves Be sure the relief valves have Inspect Wiring 54 Carrier Comfort Network Interface The CarrierCheck Starter 55 Oil Charge The oil charge for the 19XR compressor de-Power Up the Controls and Check the Oil Heater Ensure that an oil level is visible in the compres- Software Configuration Input the Design Set Points Access the CVC/ Input the Local Occupied Schedule (OCCPC01S) Input Service Configurations The following con- 62 Perform a Control Test Check the safety controls63 Check Optional Pumpout System Controls and Compressor Controls include an on/off switch,High Altitude Locations Because the chiller is ini- Charge Refrigerant into Chiller 64 INITIAL START-UP Preparation Before starting the chiller, verify:65 Dry Run to Test Start-Up SequenceCheck Motor Rotation Check Oil Pressure and Compressor Stop To Prevent Accidental Start-Up A chiller STOP Check Chiller Operating Condition Check to Instruct the Customer Operator Ensure the op- 66 OPERATING INSTRUCTIONS Operator DutiesPrepare the Chiller for Start-Up Follow the steps To Start the Chiller Check the Running System After the compres- To Stop the Chiller After Limited Shutdown No special preparations Preparation for Extended Shutdown The refrig- 67 After Extended Shutdown Ensure the water sys-Cold Weather Operation When the entering con- Manual Guide Vane Operation It is possible to Refrigeration Log A refrigeration log (as shown in PUMPOUT AND REFRIGERANT TRANSFER PROCEDURES Preparation The 19XR may come equipped with an Operating the Optional Pumpout Unit 69 Chillers with Storage Tanks If the chiller has iso-70 Chillers with Isolation Valves71 GENERAL MAINTENANCE Refrigerant Properties The standard refrigerant forAdding Refrigerant Follow the procedures de- Removing Refrigerant If the optional pumpout sys- Adjusting the Refrigerant Charge If the addi- Refrigerant Leak Testing Because HFC-134a is Leak Rate It is recommended by ASHRAE that chillers Test After Service, Repair, or Major Leak If 72 Repair the Leak, Retest, and Apply Standing Vacuum Test After pressurizing the chiller, test forChecking Guide Vane Linkage When the chiller Trim Refrigerant Charge If, to obtain optimal chill- WEEKLY MAINTENANCE Check the Lubrication System Mark the oil lev- 73 SCHEDULED MAINTENANCEService Ontime The CVC/ICVC will display a SER- Inspect the Control Panel Maintenance consists of Check Safety and Operating Controls Monthly Changing Oil Filter Change the oil filter on a Oil Specification If oil is added, it must meet the fol- Oil Changes Carrier recommends changing the oil af- Refrigerant Filter A refrigerant filter/drier, located on Oil Reclaim Filter The oil reclaim system has a 74 Inspect Refrigerant Float System Perform thisInspect Relief Valves and Piping The relief valves Compressor Bearing and Gear Maintenance Inspect the Heat Exchanger Tubes and Flow Devices Water Leaks The refrigerant moisture indicator on the 75 Water Treatment Untreated or improperly treated wa-Inspect the Starting Equipment Before working Check Pressure Transducers Once a year, the Optional Pumpout System Maintenance For Ordering Replacement Chiller Parts When 76 TROUBLESHOOTING GUIDE Overview The PIC II has many features to help the op-Checking Display Messages The first area to Checking Temperature Sensors All temperature Checking Pressure Transducers 77 Control Algorithms Checkout Procedure OneControl Test The Control Test feature can check all the LEGEND TO TABLES 11A-11J 87 Control ModulesNotes on Module Operation 88 Chiller Control Module (CCM) (Fig. 41)Integrated Starter Module (Fig. 42) Replacing Defective Processor Modules Solid-State Starters Troubleshooting information per- 89 INTEGRATED STARTER MODULE
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