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General| Model | YLAA0101 |
|---|---|
| Category | Chiller |
| Refrigerant | R-410A |
| Compressor Type | Scroll |
| Number of Compressors | 1 |
Outlines the detailed procedures required for installing and starting up the chiller.
Illustrates the single-point supply connection options for power wiring.
Specifies operating limitations for temperatures and flows, including notes on glycol and ambient conditions.
Presents physical data for standard efficiency units, including dimensions, weights, and component specifications.
Provides essential electrical data, including unit voltage, MCA, overcurrent protection, and voltage ranges.
Presents elementary wiring diagrams for various unit configurations and electrical components.
Provides wiring diagrams for compressor connections, including motor protectors and solenoids.
Illustrates connection diagrams for various power options like transformers and disconnect switches.
Details the wiring and connections for the micro panel and its associated components.
Steps for charging refrigerant after vacuuming, including specific volumes and procedures.
Detailed steps for commissioning the Variable Frequency Drive (VFD) for the pump.
Instructions for setting the Maximum Over Current Protection (MOCP) on adjustable breakers.
Charts listing proper oil levels for tandem and trio compressor manifold sets.
A comprehensive checklist for installation, covering pre-startup and startup procedures.
Procedures for calculating and adjusting subcooling and suction superheat.
Instructions for performing leak checks on compressors, fittings, and piping.
Details how to use the STATUS key to determine current chiller operating status and messages.
Describes faults that cause compressor or system shutdown, categorized as unit or system safeties.
Explains fault and inhibit codes and provides instructions on how to reset them.
Explains how to retrieve and print system and unit information using the display and print keys.
Guides users on how to enter and navigate Service Mode for viewing and modifying unit parameters.
Details data communication protocols and wiring for connecting to BAS networks.
Describes received and transmitted data values for YorkTalk 2 communication via E-Link Gateway.
Describes the sequence of chiller operation after power application, including compressor and fan staging.
Explains how the control system evaluates cooling demand and regulates temperatures.
Explains how the setpoint and control range regulate chilled liquid temperature.
Explains lead/lag options for equalizing run hours and compressor sequencing within systems.
Details the programmable anti-recycle timer to prevent short cycling and allow compressor heat dissipation.
Explains the timer that prevents simultaneous compressor starts to avoid high starting current.
Explains the load limiting feature to prevent units from exceeding preferred values.
Procedures for manually resetting system lockout faults after three faults occur within 90 minutes.
Guides users on how to enter and navigate Service Mode for viewing and modifying unit parameters.
Explains how to program chiller configuration settings like data logging and refrigerant type.
Details how to view analog and digital inputs from sensors and switches on the microboard.
A guide to diagnosing and resolving common problems with the unit's operation.
Provides guidance on checking compressor oil levels and performing oil analysis.
