York YPAL 060 User Manual

JOHNSON CONTROLS

FORM 100.50-NOM6 (1207)

•

  The supply air temperature must be above the 

“SUPPLY AIR TEMP ALARM SETPOINT FOR 
COOLING” set point and the following sequence 
of events have occurred:

–  All the stages of cooling must have been on 

for 10 or more minutes.

–  The outdoor air is 20.0° F or more warmer 

then the “SUPPLY AIR TEMP ALARM 
SETPOINT FOR COOLING” set point.

–  The economizer must be open more than 

20%.

•

  If the above criteria is met:

–  The Simplicity Elite control will close the 

outdoor damper for ten minutes.

–  After ten minutes, the Simplicity Elite control 

will read the supply air temperature.

–  If the supply air temperature is below the 

“SUPPLY AIR TEMP ALARM SETPOINT 
FOR COOLING”, the control will keep the 
outdoor damper closed and complete the cool-
ing cycle.

∗

 

The Simplicity Elite control will declare an 
“ECONOMIZER MINIMUM POSITION” 
alarm and fl ash an Alarm Code 40.

–  If the supply air temperature is not below the 

“SUPPLY AIR TEMP ALARM SETPOINT 
FOR COOLING”.

∗

 

The Simplicity Elite control will declare a 
“SUPPLY AIR TEMP ALARM SETPOINT 
FOR COOLING” alarm and flash an 
Alarm Code 38.

–  After the cooling cycle is completed, the Sim-

plicity Elite control sets the outdoor damper 
to its minimum position.

–  In order to reset the above alarms power to 

the unit must be cycled on and off. 

The last fi ve alarms can be view on the Simplicity Elite 
control board as follows.  The sequence below gives the 
alarms from the most recent to the oldest.

Alarm 1 – The most recent alarm can be viewed 
under Parameter 72 using the PROGRAM key on the 
Simplicity Elite control board.

Alarm 2 – The next alarm in sequence can be viewed 
under Parameter 73 using the PROGRAM key on the 
Simplicity Elite control board.

Alarm 3 - The next alarm in sequence can be viewed 
under Parameter 74 using the PROGRAM key on the 
Simplicity Elite control board.

Alarm 4 - The next alarm in sequence can be viewed 
under Parameter 75 using the PROGRAM key on the 
Simplicity Elite control board.

Alarm 5 - The next alarm in sequence can be viewed 
under Parameter 76 using the PROGRAM key on the 
Simplicity Elite control board.

The above alarms can also be viewed using the 
ALARMS tab in the Simplicity PC software program.