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General| Compressor Type | Scroll |
|---|---|
| Phase | 3 |
| Cooling Capacity | 100 tons |
| Refrigerant | R-22 |
| Voltage | 460V |
| Type | Air-cooled |
Describes packaged air-cooled chiller units.
Details remote evaporator air-cooled chiller units.
Explains how to identify units using nameplates.
Explains the model number designation system.
Requirements for unit foundation design and installation.
Specifies required clearances around the unit for installation and service.
Methods to minimize sound and vibration using isolation.
Details on connecting and routing evaporator water piping.
Methods for protecting the unit from freezing.
How to configure systems and size interconnecting piping.
Process for determining appropriate outside diameter for liquid and suction lines.
Procedures for installing refrigerant piping.
Procedures for leak testing and evacuating the system.
Safety warning about hazardous voltage and capacitors.
Details on sizing and selecting power supply wiring.
Procedures for wiring interlocks for proper operation.
Requirements for low voltage wiring to remote devices.
Description of the refrigeration (cooling) cycle.
Explanation of the compressor rotor design and function.
Overview of the oil system operation.
How condenser fans are staged based on operating conditions.
Overview of the Clear Language Display keypad and its functions.
Allows operator to select and view different reports.
Allows adjustment of setpoints and performance of tests.
Describes key operational features of the chiller.
Safety warning about hazardous voltage and capacitors.
Warning about compressor damage from closed valves.
Checking the unit's power supply voltage.
Ensuring correct electrical phase sequence for motor rotation.
Checking and adjusting system superheat.
Checking and adjusting system subcooling.
Procedures for temporarily shutting down and restarting the unit.
Procedure for taking the unit out of service for an extended period.
Weekly maintenance procedures and checks.
Monthly maintenance tasks.
Annual maintenance procedures and inspections.
Procedures for cleaning condenser coils.
Procedures for chemically cleaning the evaporator.
Procedure for checking the oil level in the oil separator.
Procedure for changing the oil filter.
Procedures for isolating refrigerant charge in the high side.
Procedures for isolating refrigerant charge in the low side.
Steps to recharge the unit with refrigerant.
Table listing diagnostic codes, types, and causes.
Step-by-step procedure for checking the pump package.
Step-by-step procedure for starting the pump system.
Table of common pump problems and their possible causes.
Information on specific electrical characteristics of chillers.
