York YPAL 060 사용자 설명서

JOHNSON CONTROLS

FORM 100.50-NOM6 (1207)

24

THE SUPPLY FAN BINARY OUTPUT HAS BEEN TURNED ON FOR 90 SECONDS AND THE AIR PROVING SWITCH 

CIRCUIT HAS NOT CLOSED.

25

THE SUPPLY FAN BINARY OUTPUT HAS BEEN TURNED OFF FOR 90 SECONDS AND THE AIR PROVING SWITCH 

CIRCUIT HAS NOT OPENED.

26

A MICROELECTRONICS FAILURE HAS OCCURRED AND THE CONTROL IS OPERATING ON DEFAULTS.

27

A MICROELECTRONICS FAILURE HAS OCCURRED AND THE CONTROL IS DOWN DUE TO A FATAL FAULT.

28

THIS INDICATES THE SUPPLY FAN BINARY OUTPUT IS TURNED ON AND THE SUPPLY FAN OVERLOAD CIRCUIT 

IS OPEN.  THIS HAS TO OCCUR 3 TIMES WITHIN A TWO HOUR WINDOW.

29

THIS INDICATES THE OUTDOOR AIR HUMIDITY SENSOR IS OUT OF RANGE.  WHEN THIS OCCURS, THE UNIT 

CONTROLLER SWITCHES THE ECONOMIZER TYPE TO DRY BULB.

30

THIS INDICATES THE RETURN AIR HUMIDITY SENSOR IS OUT OF RANGE.  WHEN THIS OCCURS, THE UNIT 

CONTROLLER SWITCHES THE ECONOMIZER TYPE TO SINGLE ENTHALPY.

31

THIS INDICATES THE IAQ (CO2) SENSOR IS OUT OF RANGE.  THE UNIT CONTROLLER CHANGES THE 

VENTILATION MODE TO FIXED MINIMUM.

32

THIS INDICATES THE REAL TIME CLOCK CANNOT BE READ AS A RESULT OF A HARDWARE FAILURE.

33

THIS INDICATES THE SPACE TEMPERATURE OFFSET IS GREATER THAN 20 K OHMS.

34

THIS INDICATES THE CV/VAV INPUT IS OUT OF RANGE.  THE UNIT WILL LOCK OUT.

35

THIS INDICATES THE 24-VOLT SUPPLY CIRCUIT HAS DROPPED BELOW THE ALLOWABLE LEVEL.  THE CONTROL 

WILL SHUT DOWN UNTIL THE VOLTAGE RISES ABOVE 19.2 VAC.

36

THIS INDICATES THE UNIT COOLING AND HEATING OPERATION IS SHUT DOWN BECAUSE THE UNIT IS 

OPERATING IN A SMOKE PURGE MODE.

37

THIS INDICATES THE DUCT STATIC PRESSURE HAS EXCEEDED THE PROGRAMMED DUCT STATIC SHUTDOWN 

SETPOINT.

38

THIS INDICATES THE SUPPLY AIR TEMPERATURE HAS EXCEEDED THE PROGRAMMED SUPPLY AIR TEMP 

ALARM SETPOINT FOR COOLING.

39

THIS INDICATES THE SUPPLY AIR TEMPERATURE HAS EXCEEDED THE PROGRAMMED SUPPLY AIR TEMP 

ALARM SETPOINT FOR HEATING.

40

THIS INDICATES AN ECONOMIZER MINIMUM POSITION ALARM.

41

THIS INDICATES THE SPACE TEMPERATURE IS ABOVE THE SPACE TEMP TRENDING ALARM TEMP AND MOVING 

AWAY FROM THE SPACE TEMPERATURE SETPOINT.

42

THIS INDICATES THE DUCT STATIC HAS NOT RISEN QUICKLY ENOUGH IN A VAV UNIT WHEN THE SUPPLY FAN IS 

ENERGIZED.  

43

THIS INDICATES THE HYDRONIC HEAT FREEZE STAT HAS OPENED AND THE OUTDOOR TEMPERATURE IS 

BELOW 45.0° F.