York ECO2 YPAL 050 User Manual
Packaged rooftop air conditioning units, Design level f simplicity elite control
This manual is related to the following products:
Table of contents
Document Outline
- Form 100.50-NOM6 (1207)
- BASE MODEL NUMBER
- CHANGEABILITY OF THIS DOCUMENT
- NOMENCLATURE
- TABLE OF CONTENTS
- LIST OF TABLES
- LIST OF FIGURES
- SECTION 1 – INTRODUCTION
- SECTION 2 – INSTALLATION
- APPROVALS
- LIMITATIONS
- UNIT INSPECTION
- LOCATIONS AND CLEARANCES
- RIGGING AND HANDLING
- UNIT WEIGHTS
- PHYSICAL DATA
- GENERAL ARRANGEMENT DRAWING – 050-061 MODELS
- ELECTRICAL DATA
- FILTERS
- CONDENSATE DRAIN
- AIR HOODS FOR ECONOMIZER
- AIR HOODS FOR FIXED OUTSIDE AIR (UNITS WITHOUT ECONOMIZER)
- AIR HOODS FOR EXHAUST AIR
- FIELD WIRING
- COMMUNICATION
- DIRTY FILTER SWITCH
- FIELD CONTROL WIRING CONNECTIONS
- POWER WIRING
- ELECTRICAL SERVICE SIZING
- SINGLE-POINT POWER SUPPLY WIRING
- SINGLE-POINT POWER SUPPLY WIRING WITH NON-FUSED DISCONNECT SWITCH
- DUAL-POINT POWER SUPPLY WIRING
- CONTROLS
- TRANSDUCER PNEUMATIC TUBING
- DUCT SYSTEM
- GAS HEATING
- GAS PIPING
- GAS CONNECTION
- COMBUSTION VENT
- SECTION 3 – START-UP
- SECTION 4 – MAINTENANCE
- SECTION 5 – SEQUENCE OF OPERATION
- UNIT TYPE
- OCCUPIED / UNOCCUPIED MODE
- CONSTANT VOLUME MODE (CV)
- VARIABLE AIR VOLUME (VAV)
- Cooling - Occupied with Thermostat
- Cooling – Unoccupied with Thermostat
- Occupied or Unoccupied Heating with a Thermostat
- Occupied Cooling with Hard Wired or Communicated Space Sensor
- Cooling – Unoccupied with a Hard Wired or Communicated Space Sensor
- Heating – Occupied with a Hard Wired or Communicated Space Sensor
- Heating – Unoccupied with a Hard Wired or Communicated Space Sensor
- Occupied Cooling – Stand Alone
- Cooling – Unoccupied Stand Alone
- Heating – Occupied Stand Alone
- Heating – Unoccupied Stand Alone
- CONDENSER FAN OPERATION
- COOLING COMPRESSOR LOCKOUT SEQUENCE OF OPERATION
- LOW AMBIENT OPERATION
- SUPPLY FAN OPERATION
- ECONOMIZER
- BAS ECONOMIZER OPERATION
- ECONOMIZER LOADING
- COMFORT VENTILATION
- EXCESSIVE SAT (SUPPLY AIR TEMPERATURE) CONTROL
- SPACE SENSOR WITH SET POINT ADJUSTMENT SEQUENCE OF OPERATION
- SPACE SENSOR FAULT OVERRIDE ENABLE SEQUENCE OF OPERATION
- REMOTE CONTROL SEQUENCE OF OPERATION
- REDLINE SEQUENCE OF OPERATION
- LOADSHED SEQUENCE OF OPERATION
- DIRTY FILTER SEQUENCE OF OPERATION
- METRIC OPERATION
- INTELLI-START
- MORNING WARM-UP SEQUENCE OF OPERATION
- HYDRONIC HEAT SEQUENCE OF OPERATION
- HYDRONIC HEAT FREEZE STAT
- VENTILATION
- VENTILATION LOW AMBIENT MINIMUM POSITION RESET SEQUENCE OF OPERATION
- EXHAUST FAN OPERATION
- PRE-OCCUPANCY PURGE
- ENERGY RECOVERY VENTILATOR SEQUENCE OF OPERATION
- LOW VOLTAGE PROTECTION
- OUTDOOR AIR HEATING LOCKOUT
- HOT GAS BYPASS
- SPACE TEMPERATURE ALARM SEQUENCE OF OPERATION
- SAT ALARM FOR HEATING
- SAT ALARM FOR COOLING
- ALARM HISTORY
- SECTION 6 – USER INTERFACE
- SECTION 7 – PARAMETER DESCRIPTIONS AND OPTIONS
- SECTION 8 – SERVICE
- ANALOG INPUT OPERATION
- FAULTS AND LOCKOUTS
- Light Emitting Diode
- Alarm Codes
- Alarm Trouble Shooting
- Refrigerant System Alarm Codes (01, 02, 03, 04, 09, 10, 11, 12)
- Low Pressure Cutout Alarm (09, 10, 11, 12)
- Limit Switch Alarms (13, 14, 15)
- Gas Heating Alarms (16, 17, 18)
- Space Temperature Sensor Alarm (19)
- Supply Air Temperature Sensor Alarm (20)
- Return Air Temperature Sensor Alarm (21)
- Outdoor Air Temperature Sensor Alarm (22)
- Dirty Filter Switch Alarm (23)
- Supply Fan Air Proving Switch (24)
- Supply Fan Air Proving Switch Closed Alarm (25)
- Microelectronics Failure Alarm (26)
- Microelectronics Failure Alarm (27)
- Supply Fan Overload Alarm (28)
- Outdoor Humidity Sensor Alarm (29)
- Return Humidity Sensor Alarm (30)
- IAQ (CO2) Sensor Alarm (31)
- Time Clock Error Alarm (32)
- Space Temperature Offset Alarm (33)
- CV/VAV Input Alarm (34)
- Low Voltage Alarm (35)
- Smoke Purge Mode Alarm (36)
- High Duct Static Pressure Alarm (37)
- Supply Air Temperature Cooling Alarm (38)
- Supply Air Temperature Heating Alarm (39)
- Economizer Minimum Position Alarm (40)
- Space Temperature Trending Alarm (41)
- Duct Static Low Pressure Alarm (42)
- Hot Water Coil Freeze Alarm (43)