Johnson Controls York YKEP Series User Manual

FORM 160.77-O2
ISSUE DATE: 11/15/2011
SECTION 3 - YKEP CONTROL PANEL OPERATION
JOHNSON CONTROLS
33
3
PROGRAMMABLE
Hot Gas Valve
Access Level Required: OPERATOR
Auto / Manual
This key allows auto or manual control of the Hot Gas
Valve. When the Auto/Manual key is grey the control is
set to Auto, and if they key is red the control is Manual.
Open
This key sends an open command to the Hot Gas Valve.
The Hot Gas Valve will open 1% for each depress, hold
for repeat.
Close
This key sends a close command to the Hot Gas Valve.
The Hot Gas Valve will close 1% for each depress,
hold for repeat.
Drive Frequency
Access Level Required: OPERATOR
Auto / Manual
This key allows auto or manual control of the drive
frequency applied to the motor. When the Auto/Manual
key is grey the control is set to Auto, and if they key is
red the control is set to Manual.
Increase
This key sends an increase command to the drive. The
drive frequency will increase 1% for each depress,
hold for repeat.
Decrease
This key sends a decrease command to the drive. The
drive frequency will decrease 1% for each depress,
hold for repeat.
Pri PRV Position
Access Level Required: OPERATOR
Auto / Manual
This key allows auto or manual control of the primary
compressor PRV. When the Auto/Manual key is grey
the control is set to Auto, and if they Auto/Manual key
is red the control is set to manual.
Open
This key sends an open command to the primary com-
pressor PRV. The primary compressor PRV will open
1% for each depress, hold for repeat.
Close
This key sends a close command to the primary com-
pressor PRV. The primary compressor PRV will close
1% for each depress, hold for repeat.
Sec PRV Position
Access Level Required: OPERATOR
Auto / Manual
This key allows auto or manual control of the econo-
mizer compressor PRV. When the Auto/Manual key is
grey the control is set to Auto, and if they key is red the
control is set to manual.
Open
This key sends an open command to the economizer
compressor PRV. The economizer compressor PRV
will open 1% for each depress, hold for repeat.
Close
This key sends a close command to the economizer
compressor PRV. The economizer compressor PRV
will close 1% for each depress, hold for repeat.
NAVIGATION
Previous
Returns the display to the previous screen.
Capacity Controls
Causes an instant navigation to view the Capacity Con-
trols Screen.

Johnson Controls York YKEP Series Specifications

General

Brand	Johnson Controls
Model	York YKEP Series
Category	Chiller
Language	English