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General| Cooling Capacity | 50 tons |
|---|---|
| Refrigerant Type | R-410A |
| Voltage | 208/230 V |
| Phase | 1 |
| Sound Level (Outdoor Unit) | 76 dB |
Discusses the impact of man-made chemicals on the ozone layer.
Emphasizes certified technicians and following refrigerant laws.
Highlights the necessity of proper electrical grounding for safety.
Details the alphanumeric code used to identify unit type, capacity, and options.
Checks to perform upon unit arrival for damage and completeness.
Specifies minimum distances for operation, service, and efficiency.
Details indoor installation requirements for EVP chillers.
Provides dimensional data and weight specifications for units.
Discusses requirements for unit support and anchoring.
Illustrates rigging procedures and provides center-of-gravity information.
Details the installation procedure for neoprene isolators.
Provides installation procedures for spring isolators.
Describes how to level the unit using isolators and shims.
Explains how to remove shipping hardware from compressors.
Details securing and removing shipping braces for manifolded compressors.
Covers wiring for components using 115 VAC power.
Specifies field-provided controller requirements for 'No Controls' units.
Details wiring for EVP chiller remote panel connections.
Wiring instructions for VAV unit control components.
Wiring instructions for EVP chiller unit controls.
Wiring instructions for Constant Volume unit controls.
Describes installation of suction and liquid line filters/driers.
Guidelines for installing moisture indicator sight glass.
Requirements for liquid line isolation solenoid valves.
Recommendations for thermostatic expansion valve selection.
Describes access ports for charging and sub-cooling.
Notes on ball shutoff valve requirements.
Preferred method for coil frost protection.
Guidelines for sizing and routing suction lines for oil return.
Provides data for liquid line tubing sizes.
Placement of vents for air purging during filling.
Installation of gauges for monitoring water pressure.
Placement of shutoff valves for isolation.
Use of pipe unions for disassembly.
Installation of thermometers for monitoring temperatures.
Installation of balancing valves for flow control.
Installation of strainers for debris protection.
Piping requirements for chiller drain.
Installation of flow switch for compressor protection.
Installation of temperature sensor and well.
Installation of freezestat bulb well and sensing bulb.
Procedures for making final water piping connections.
Wiring instructions for 115 VAC control components.
Wiring for supply fan interlock and controls.
Details on EVP flow control and circulating pump interlock wiring.
Wiring requirements for outside air thermostat.
Wiring for hot gas bypass solenoid coils.
Describes control parameters for 'No Controls' units.
Warning about liquid refrigerant entering the suction line.
Ensuring compressor service valves are fully open before start-up.
Steps for preparing EVP chillers for start-up, including filling the water system.
Steps for evacuating refrigeration circuits to remove moisture and air.
Procedure for testing system vacuum and detecting leaks.
Describes the sequence of operation for the VAV W7100A controller.
Procedure to check and correct supply fan rotation.
Describes normal operational sounds of scroll compressors.
Guidelines for replacing scroll compressors and installing filter driers.
Maintenance checks for air handling units, including filters and coils.
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