Exhaust Fan Operation; On/Off Control Based On Outdoor Damper Position; Sequence Of Operation; On/Off Control Based On Building Pressure - York ECO2 YPAL 050 Installation & Operation Manual

Sequence of Operation

When the outdoor temperature is equal to or less than
the "LOW AMBIENT ECONOMIZER SETPOINT" the
Simplicity Elite control will set the minimum position
of the outdoor damper to the programmed "LOW
AMBIENT ECONOMIZER MINIMUM POSITION"
setting.
When the outdoor temperature is 1.0° F or more above
the "LOW AMBIENT ECONOMIZER SETPOINT" the
Simplicity Control will set the minimum position of the
outdoor damper to the programmed "ECONOMIZER
MINIMUM POSITION" setting.

EXHAUST FAN OPERATION

The Simplicity Elite control can be confi gured for the
following types of exhaust fan operation:
•
On/Off Control Based On Outdoor Damper Posi-
tion.
•

On/Off Control Based On Building Pressure.

•
Modulating Damper with Fixed Speed Ex-
haust.
•
Modulating Exhaust with a VFD.
On/Off Control Based on Outdoor Damper Posi-
tion
This exhaust option uses a standard motor without any
type of speed control and a barometric damper.
The following System Parameters must be programmed
through the Simplicity Elite control:
"POWER EXHAUST INSTALLED" – must be turned
on using Parameter 43 under the PROGRAM key
on the Simplicity Elite control board or under the
ECONOMIZER/EXHAUST tab in the Simplicity PC
software package.
" E C O N O M I Z E R D A M P E R P O S I T I O N F O R
EXHAUST FAN TO TURN ON" – must be programmed
using Parameter 48 under the PROGRAM key
on the Simplicity Elite control board or under the
ECONOMIZER/EXHAUST tab in the Simplicity PC
software package.
92
"ECONOMIZER DAMPER POSITION FOR EXHAUST
FAN TO TURN OFF" – must be programmed
using Parameter 49 under the PROGRAM key
on the Simplicity Elite control board or under the
ECONOMIZER/EXHAUST tab in the Simplicity PC
software package.
Sequence of Operation
When the output to the economizer damper is equal
to or greater then the "ECONOMIZER DAMPER
POSITION FOR EXHAUST FAN TO TURN ON" the
Simplicity Elite control closes the output to the exhaust
fan motor. The output is at the "EXH" terminal of the
P13 connector.
When the output to the economizer damper is equal to
or less then the "ECONOMIZER DAMPER POSITION
FOR EXHAUST FAN TO TURN OFF" the Simplicity
Elite control open the output to the exhaust fan motor.
The minimum run time is 10 seconds and the minimum
off time is 60 seconds.
On/Off Control Based on Building Pressure
This exhaust option uses a standard motor without any
type of speed control and a barometric damper.
The following System Parameters must be programmed
through the Simplicity Elite control:
"POWER EXHAUST INSTALLED" – must be turned
on using Parameter 43 under the PROGRAM key
on the Simplicity Elite control board or under the
ECONOMIZER/EXHAUST tab in the Simplicity PC
software package.
" B U I L D I N G S TAT I C P R E S S U R E S E N S O R
INSTALLED" – must be turned on using Parameter 85
under the PROGRAM key on the Simplicity Elite control
board or under the EQUIPMENT INSTALLATION tab
in the Simplicity PC software package.
"BUILDING PRESSURE SETPOINT" must be
programmed using Parameter 31 under the PROGRAM
key on the Simplicity Elite control board or under the
ECONOMIZER/EXHAUST tab in the Simplicity PC
software package.
FORM 100.50-NOM6 (1207)
JOHNSON CONTROLS