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General| Capacity | 10 tons |
|---|---|
| Refrigerant Type | R-410A |
| Phase | 3 |
| Compressor Type | Scroll |
| Type | Air-cooled |
| Cooling Capacity | 120, 000 BTU/h |
| Sound Level | 72 dB |
Lists the YCA series models and their associated EPROMs.
Maps old nomenclature to new nomenclature for various models.
Explains the coding system for unit model numbers.
Explains the coding system for compressor specifications.
States the codes the units are designed in accordance with.
Details minimum and maximum operating parameters for temp and air.
Lists voltage codes and their corresponding voltage limits.
Provides dimensional drawings and specifications for YCAQ10 and YCAR11.
Provides dimensional drawings and specifications for these models.
Explains clearances, connection sizes, and unit dimensions.
Details compressor models, refrigerant charge, and circuit information.
Provides details on condenser fans, cooler dimensions, and water volume.
Lists shipping and operating weights for various models and fin types.
Covers unit handling, inspection for transit damage, and shipping.
Details requirements for ground level and rooftop installations.
Advises on selecting the best location for unit placement.
Explains the function and type of optional spring isolators.
Provides mounting locations and sizes for Mason Industries isolators.
Provides mounting locations and sizes for Vibration Mounting isolators.
Details compressor mounting on isolator pads.
Covers general advice for chilled liquid piping installation.
Outlines wiring requirements for operation and interlocks.
Discusses requirements for multiple chiller installations.
Details controls and operation for single circuit YCAQ10/YCAR11 models.
Provides data on control power supply requirements for various models.
Explains symbols and abbreviations used in the wiring diagram.
Introduces data display selection for single circuit units.
Lists codes for system parameters displayed on the control center.
Lists fault codes and their meanings for system diagnostics.
Describes the Micro Logic Board as the primary controller.
Details optional digital input, combo, and motor current boards.
Explains the function of the relay output board and R.P. relay.
Explains letter codes indicating system status (Blank, A, c, d, E, F, H).
Explains how to interpret the "F" code for system faults.
Details the fault for motor current issues or HP cutout.
Describes the fault for low oil pressure conditions.
Explains the fault for low suction pressure.
Explains the fault for high discharge pressure.
Explains the fault for low leaving water temperature.
Details software safety controls with automatic restart.
Explains the fault for high ambient temperatures.
Describes the fault for low ambient temperatures.
Details remote start/stop via BAS, EMS, or time clock.
Explains how to reset the temperature setpoint remotely.
Provides a simplified start-up sequence for chiller operation.
Explains the function of the manual unit power switch.
Explains Return Water Temperature control and range selection.
Details the optional Leaving Water Temperature control method.
Details RWT control and setpoint selection in metric units.
Provides the metric codes for cooling range selection.
Advises against LWT control for single circuit units due to cycling.
Illustrates a typical loading/unloading example for RWT control.
Illustrates loading/unloading for optional 6, 7, or 8 stages.
Details loading/unloading stages for LWT control based on cooling range.
Details DIP switch settings for standard English EPROM.
Details DIP switch settings for metric EPROM.
Explains how to verify and adjust the low ambient cut-out.
Explains how to verify and adjust the low suction pressure cut-out.
Explains how to verify and adjust the low water temperature cut-out.
Specifies the required jumper positions for relay output boards.
Lists checks to perform before unit start-up.
Covers checks for 3-phase and 115VAC power and crankcase heaters.
Details panel switch settings for start-up, including setpoints and jumpers.
Explains how to check superheat and subcooling for system charge.
Shows fan locations for different model series.
Discusses modifying fan control for extreme conditions.
Explains how compressor capacity is controlled via oil pressure.
Lists recommended daily checks for oil level, pressure, and superheat.
Lists recommended weekly checks, including oil color and refrigerant leaks.
Outlines annual maintenance tasks, including oil change and control checks.
Provides steps for effective troubleshooting and diagnosis.
Lists causes and solutions for no display or "A" code errors.
Details causes and solutions for motor current faults.
Lists causes and solutions for low oil pressure faults.
Lists causes and solutions for low pressure faults.
Details causes and solutions for high discharge pressure faults.
Explains causes and solutions for high ambient temperature faults.
Lists causes and solutions for low ambient temperature faults.
Details causes and solutions for low water temperature shutdown.
Lists causes and solutions for low compressor oil level issues.
Explains causes and solutions for crankcase heater not energizing.
Details causes and solutions for compressor loading issues.
Lists causes and solutions for insufficient cooling effect.
Covers controls and operation for dual circuit YCA models.
Explains how to select and display system parameters.
Lists the codes for parameters shown on the data display.
Provides a list of fault codes and their descriptions.
Explains letter codes indicating system status (Blank, A, c, d, E, F, H).
Explains how to interpret the "F" code for system faults.
Details faults related to motor current or HP cutout for both systems.
Describes faults for low oil pressure in both systems.
Explains faults for low suction pressure in both systems.
Details faults for high discharge pressure in both systems.
Explains faults for low leaving water temperature in both systems.
Details software safety controls with automatic restart.
Explains faults for high ambient temperatures in both systems.
Describes faults for low ambient temperatures in both systems.
Details remote start/stop via BAS, EMS, or time clock for dual units.
Explains remote setpoint reset for standard water duty.
Explains remote setpoint reset for brine/metric duty.
Provides a simplified start-up sequence for dual circuit units.
Explains the function of system 1 and 2 power switches.
Details the selection of system 1 as lead or lag compressor.
Explains Return Water Temperature control and range selection.
Details the optional Leaving Water Temperature control method.
Details RWT control and setpoint selection in metric units.
Provides the metric codes for cooling range selection.
Advises against LWT control for single circuit units due to cycling.
Illustrates a typical loading/unloading example for RWT control.
Illustrates loading/unloading for optional 6, 7, or 8 stages.
Details loading/unloading stages for LWT control based on cooling range.
Details DIP switch settings for standard English EPROM.
Details DIP switch settings for metric EPROM.
Explains how to verify and adjust the low ambient cut-out.
Explains how to verify and adjust the low suction pressure cut-out.
Explains how to verify and adjust the low water temperature cut-out.
Specifies the required jumper positions for relay output boards.
Lists checks to perform before unit start-up.
Shows fan locations for different model series.
Discusses modifying fan control for extreme conditions.
Explains how compressor capacity is controlled via oil pressure.
Lists recommended daily checks for oil level, pressure, and superheat.
Lists recommended weekly checks, including oil color and refrigerant leaks.
Outlines annual maintenance tasks, including oil change and control checks.
Provides steps for effective troubleshooting and diagnosis.
Lists causes and solutions for no display or "A" code errors.
Details causes and solutions for motor current faults.
Lists causes and solutions for low oil pressure faults.
Lists causes and solutions for low pressure faults.
Details causes and solutions for high discharge pressure faults.
Explains causes and solutions for high ambient temperature faults.
Lists causes and solutions for low ambient temperature faults.
Details causes and solutions for low water temperature shutdown.
Lists causes and solutions for low compressor oil level issues.
Explains causes and solutions for crankcase heater not energizing.
Details causes and solutions for compressor loading issues.
Lists causes and solutions for insufficient cooling effect.
Covers EMS/BAS/FAX, remote start/stop, and temp setpoint reset.
Details printer, alarm annunciator, and low ambient accessory options.
Lists limitations for installing the printer option.
Lists required parts and assembly steps for the printer.
Details the wiring connections for the printer.
Explains how to configure the printer switches.
Describes how to get a print-out from the panel or remotely.
Outlines YORK's warranty for the printer option.
Explains how to initiate a print-out remotely using a BAS option.
Describes the purpose of the low ambient accessory.
Explains how the low ambient kit reduces condenser capacity.
Lists the physical changes made to the chiller for the kit.
Details procedure to convert fan control from temp to discharge pressure.
