York YCAL0317E Series User Manual

YCAL0043E_ - YCAL0377E_
R-22 & HFC-407C
STYLE C
(50 Hz)
Standard, Glycol & Metric Models, Combined
380-415-3-50
MODEL ONLY
INSTALLATION, OPERATION, MAINTENANCE
AIR-COOLED LIQUID CHILLERS
HERMETIC SCROLL
New Release
Form 150.62-NM7 (103)
YCAL0287 – YCAL0377 EPROM
031-02423-001
29224(R)A
YCAL0043 – YCAL0253 EPROM (031-02050-001 MICROBOARD)
031-02049-001
035-19330-000

York YCAL0317E Series Specifications

General

Model	YCAL0317E Series
Category	Chiller
Type	Air-Cooled
Refrigerant	R-410A
Compressor Type	Scroll
Voltage	460V/3/60
Leaving Water Temperature Range	40°F to 65°F

Summary

GENERAL SAFETY GUIDELINES

DANGER

Indicates an imminent hazard resulting in death or serious injury.

WARNING

Indicates a potentially hazardous situation resulting in death or serious injury.

SAFETY SYMBOLS

CAUTION

Identifies a hazard leading to machine/equipment damage or environmental pollution.

SECTION 1 INSTALLATION

OPERATIONAL LIMITATIONS

Defines the limits for safe and efficient unit operation.

DIMENSIONS & CLEARANCES

SECTION 2 UNIT CONTROLS

UNIT OPERATION

Detailed explanation of how the unit operates.

SECTION 3 SERVICE AND TROUBLESHOOTING

MAINTENANCE

Procedures for maintaining the unit.

SECTION 4 WIRING DIAGRAMS

PRODUCT IDENTIFICATION NUMBER (PIN)

OPTIONS MODEL NUMBER

REFRIGERANT FLOW DIAGRAM

INSTALLATION

INSTALLATION CHECK LIST

Key items to check before unit operation.

LOCATION AND CLEARANCES

Requirements for unit placement and surrounding space.

CHILLED WATER PIPING

General

WIRING

Field Wiring

Requirements for field-supplied power and control wiring.

SINGLE-POINT SUPPLY CONNECTION – TERMINAL BLOCK, NON-FUSED DISCONNECT SWITCH OR CIRCUIT BREAKER (0043 - 0253)

MULTIPLE POINT POWER SUPPLY CONNECTION – TERMINAL BLOCK (0117 - 0253)

MULTIPLE POINT POWER SUPPLY CONNECTION – TERMINAL BLOCK, NON-FUSED DISCONNECT SWITCHES OR CIRCUIT BREAKERS (0287 - 0377)

SINGLE-POINT SUPPLY CONNECTION – TERMINAL BLOCK OR NON-FUSED DISCONNECT SWITCH TO INDIVIDUAL SYSTEM CIRCUIT BREAKERS (0287 - 0377)

CONTROL WIRING

ELECTRICAL NOTES AND LEGEND

ELECTRICAL DATA

ELECTRICAL DATA (Continued)

OPERATIONAL LIMITATIONS (ENGLISH)

OPERATIONAL LIMITATIONS (ENGLISH) (Continued)

OPERATIONAL LIMITATIONS (METRIC)

VOLTAGE LIMITATIONS

Absolute voltage limits to prevent compressor damage.

OPERATIONAL LIMITATIONS (METRIC) (Continued)

DIMENSIONS - YCAL0043-YCAL0057 (ENGLISH)

DIMENSIONS - YCAL0073-YCAL0107 (ENGLISH)

DIMENSIONS - YCAL0117-YCAL0173 (ENGLISH)

DIMENSIONS - YCAL0197-YCAL0253 (ENGLISH)

DIMENSIONS - YCAL0287-YCAL0317 (ENGLISH)

DIMENSIONS - YCAL0347 - YCAL0377 (ENGLISH)

DIMENSIONS - YCAL0043-YCAL0057 (SI)

DIMENSIONS - YCAL0073-YCAL0107 (SI)

DIMENSIONS - YCAL0117-YCAL0173 (SI)

DIMENSIONS - YCAL0197-YCAL0253 (SI)

DIMENSIONS - YCAL0287-YCAL0317 (SI)

DIMENSIONS - YCAL0347 - YCAL0377 (SI)

PRE-STARTUP CHECKLIST

Unit Checks

Checks to perform on the unit before initial start.

INITIAL START-UP

CHECKING SUPERHEAT AND SUBCOOLING

LEAK CHECKING

Steps to ensure the system is free of leaks.

UNIT OPERATING SEQUENCE

UNIT CONTROLS

UNIT STATUS

“STATUS” KEY

FLOW SWITCH/REM STOP NO RUN PERMISSIVE

Indicates a condition preventing the unit from running.

SYS SWITCH OFF

SYS 1 DSCH LIMITING / SYS 2 DSCH LIMITING

Message indicating discharge pressure limiting is active.

SYS 1 SUCT LIMITING / SYS 2 SUCT LIMITING

SYS 1 LOAD LIMIT XX% / SYS 2 LOAD LIMIT XX%

Indicates the percentage of load limiting in effect.

FAULT STATUS MESSAGES

The Suction Pressure Cutout

Explanation of the suction pressure cutout safety.

SYS 1 MP / HPCO FAULT / SYS 2 MP / HPCO FAULT

SYS 1 LOW EVAP TEMP / SYS 2 LOW EVAP TEMP

SYS 1 LOW SUPERHEAT / SYS 2 LOW SUPERHEAT

UNIT FAULT: LOW AMBIENT TEMP

UNIT FAULT: 115VAC UNDER VOLTAGE

UNIT FAULT: LOW LIQUID TEMP

Unit Safeties

STATUS KEY MESSAGES

Fault Messages

Categories of fault messages indicating system or unit safeties.

System Safeties

Types of system safety faults causing shutdowns.

Unit Safeties

Types of unit safeties causing overall unit shutdown.

OPER DATA Quick Reference List

UNIT TYPE: LIQUID CHILLER

DISCHARGE PRESSURE CUTOUT = XXXX PSIG

SUCTION PRESSURE CUTOUT = XXXX PSIG

LOW AMBIENT TEMP CUTOUT = XXX.X °F

LEAVING LIQUID TEMP CUTOUT = XXX.X °F

SYS 1 TRIP VOLTS = X.X VOLTS / SYS 2 TRIP VOLTS = X.X VOLTS

UNIT TRIP VOLTS = X.X VOLTS

“SETPOINTS” KEYS

COOLING SETPOINTS

Programming cooling setpoints and their ranges.

RETURN CHILLED LIQUID CONTROL

PROGRAM key

DISCHARGE PRESSURE CUTOUT

SUCTION PRESSURE CUTOUT

LOW AMBIENT TEMP CUTOUT

LEAVING LIQUID TEMP CUTOUT

ANTI-RECYCLE TIMER

SYSTEM TRIP VOLTS

UNIT TRIP VOLTS

SYS 1 SUCT SUPERHEAT SETPOINT / SYS 2 SUCT SUPERHEAT SETPOINT

Option 13 – Unit Type

Option 14 – Refrigerant Type

Option 15 – Expansion Valve Type

CAPACITY CONTROL

LEAVING CHILLED LIQUID CONTROL

Controlling chiller operation based on leaving chilled liquid temperature.

SUCTION PRESSURE LIMIT CONTROLS

Preventing low suction pressure cutouts.

DISCHARGE PRESSURE LIMIT CONTROLS

Preventing high discharge pressure issues.

LEAVING CHILLED LIQUID CONTROL OVERRIDE TO REDUCE CYCLING

ELECTRONIC EXPANSION VALVE (EEV)

General

Overview of the Electronic Expansion Valve.

Program

Safeties

CONDENSER FAN CONTROL (YCAL0043 – YCAL0253 CHILLERS)

Condenser fan operation

Programming condenser fan control via Options key.

CONDENSER FAN CONTROL (YCAL0287 – YCAL0377)

CONDENSER FAN CONTROL - YCAL0043 – YCAL0253

CONDENSER FAN CONTROL - YCAL0043 – YCAL00253 (Continued)

CONDENSER FAN CONTROL (YCAL0287 – YCAL0377 CHILLERS)

CONDENSER FAN CONTROL - YCAL0287 – YCAL0377

Condenser fan control logic for YCAL0287-YCAL0377.

CONDENSER FAN CONTROL - YCAL0347 – YCAL0377

LOAD LIMITING

EMS-PWM REMOTE TEMPERATURE RESET

BAS/EMS TEMPERATURE RESET OPTION

SERVICE AND TROUBLESHOOTING

TROUBLESHOOTING

TROUBLESHOOTING (CONT’D)

“LOW SUCTION PRESSURE” FAULT (CONT’D)

Troubleshooting low suction pressure faults.

“HIGH DISCHARGE PRESSURE” FAULT

Troubleshooting high discharge pressure faults.

“LOW LIQUID TEMP” FAULT

Troubleshooting low liquid temperature faults.

“MP / HPCO” FAULT

COMPRESSOR(S) WON’T START

LACK OF COOLING EFFECT

MAINTENANCE

COMPRESSORS

Maintenance procedures related to compressors.

ELEMENTARY DIAGRAM YCAL0043E_ – YCAL0087E_

FIG. 16 – ELEMENTARY DIAGRAM, CONTROL CIRCUIT – YCAL0043E_ - YCAL0087E_

Control circuit elementary diagram for YCAL0043E_ - YCAL0087E_.

ELEMENTARY DIAGRAM YCAL0043E_ AND YCAL0087E_

FIG. 17 – ELEMENTARY DIAGRAM, POWER CIRCUIT – YCAL0043E_ - YCAL0087E_

Power circuit elementary diagram for YCAL0043E_ - YCAL0087E_.

FIG. 19 – ELEMENTARY DIAGRAM, MIDDLE MARKET – YCAL0043E_ - YCAL0087E_

Middle market elementary diagram for YCAL0043E_ - YCAL0087E_.

CONNECTION DIAGRAM YCAL0043E_ AND YCAL0087E_

FIG. 18 – CONNECTION DIAGRAM, MIDDLE MARKET – YCAL0043E_ - YCAL0087E_

Connection diagram for YCAL0043E_ - YCAL0087E_ models.

ELEMENTARY DIAGRAM YCAL0107E_

FIG. 20 – ELEMENTARY DIAGRAM, MIDDLE MARKET – YCAL00107E_

Middle market control circuit diagram for YCAL00107E_.

FIG. 21 – ELEMENTARY DIAGRAM, POWER CIRCUIT – YCAL0107E_

Power circuit elementary diagram for YCAL0107E_.

CONNECTION DIAGRAM YCAL0107E_

FIG. 22 – CONNECTION DIAGRAM, MIDDLE MARKET – YCAL0107E_

ELEMENTARY DIAGRAM YCAL0117E_ – YCAL0173E_

FIG. 23 – ELEMENTARY DIAGRAM, MIDLLE MARKET – YCAL0117E_ - YCAL0173E_

FIG. 24 – ELEMENTARY DIAGRAM, CONTROL CIRCUIT – YCAL0117E_ - YCAL0173E_

FIG. 25 – ELEMENTARY DIAGRAM, POWER CIRCUIT – YCAL0117E_ - YCAL0173E_

CONNECTION DIAGRAM YCAL0117E_ – YCAL0173E_

FIG. 26 – CONNECTION DIAGRAM, MIDDLE MARKET – YCAL0117E_ - YCAL0173E_

ELEMENTARY DIAGRAM YCAL0197E_ – YCAL0253E_

FIG. 28 – ELEMENTARY DIAGRAM, CONTROL CIRCUIT – YCAL0197E_ - YCAL0253E_

FIG. 29 – ELEMENTARY DIAGRAM, POWER CIRCUIT – YCAL0197E_ - YCAL0253E_

FIG. 31 – ELEMENTARY DIAGRAM, MIDDLE MARKET – YCAL0197E_ - YCAL0253E_

CONNECTION DIAGRAM YCAL0197E_ – YCAL0253E_

FIG. 30 – CONNECTION DIAGRAM, MIDDLE MARKET – YCAL0197E_ - YCAL0253E_

ELEMENTARY DIAGRAM YCAL0287E_ – YCAL0317E_

FIG. 32 – ELEMENTARY DIAGRAM, CONTROL CIRCUIT – YCAL0287E_ - YCAL0317E_

FIG. 33 – ELEMENTARY DIAGRAM, POWER CIRCUIT – YCAL0287E_ - YCAL0317E_

FIG. 35 – ELEMENTARY DIAGRAM, MIDDLE MARKET HIGH PERFORMANCE – YCAL0287E_ - YCAL0317E_

CONNECTION DIAGRAM YCAL0287E_ – YCAL0317E_

FIG. 34 – CONNECTION DIAGRAM, MIDDLE MARKET HIGH PERFORMANCE – YCAL0287E_ - YCAL0317E_

ELEMENTARY DIAGRAM YCAL0347E_ – YCAL0377E_

FIG. 36 – ELEMENTARY DIAGRAM, CONTROL CIRCUIT – YCAL0347E_ - YCAL0377E_

FIG. 37 – ELEMENTARY DIAGRAM, POWER CIRCUIT – YCAL0347E_ - YCAL0377E_

CONNECTION DIAGRAM YCAL0347E_ – YCAL0377E_

FIG. 38 – CONNECTION DIAGRAM, MIDDLE MARKET HIGH PERFORMANCE – YCAL0347E_ - YCAL0377E_