York YCAL0014E Series, Installation Operation & Maintenance

Page: 101 / 212

JOHNSON CONTROLS
101
FORM 150.62-NM8 (1020)
2
The line under the 0 is the cursor. If the value is wrong,
it may be changed by using the ↑ (UP) and ↓ (DOWN)
arrow keys until correct. Pressing the ENTER/ADV
key will enter the times and then move the cursor to the
minute box. The operation is then repeated if necessary.
This process may be followed until the hour, minutes,
and meridian (AM or PM) of both the START and STOP
points are set. After changing the meridian of the stop
time, pressing the ENTER/ADV key will advance the
schedule to the next day.
Whenever the daily schedule is changed
for Monday, all the other days will
change to the new Monday schedule.
This means if the Monday times are not
applicable for the whole week then the
exceptional days would need to be re -
programmed to the desired schedule.
To page to a specific day press the SCHEDULE/
ADVANCE DAY key. The start and stop time of each
day may be programmed differently using the ↑ (UP)
and ↓ (DOWN) arrow, and ENTER/ADV keys.
After SUN (Sunday) schedule appears on the display a
subsequent press of the SCHEDULE/ADVANCE DAY
key will display the holiday schedule. This is a two part
display. The first reads:
H O L S T A R T = 0 0 : 0 0 A M
S T O P = 0 0 : 0 0 A M
The times may be set using the same procedure as
described above for the days of the week. After
changing the meridian of the stop time, pressing the
ENTER/ADV key will advance the schedule to the
following display:
S _ M T W T F S
H O L I D A Y N O T E D B Y *
The line below the empty space next to the S is the
cursor and will move to the next empty space when the
ENTER/ADV key is pressed. To set the Holiday, the
cursor is moved to the space following the day of the
week of the holiday and the is pressed. An * will appear
in the space signifying that day as a holiday. The * can
be removed by pressing the DOWN arrow key.
The holiday schedule must be programmed weekly
–once the holiday schedule runs, it will revert to the
normal daily schedule.
TABLE 20 – COOLING SETPOINTS, PROGRAMMABLE LIMITS AND DEFAULTS
SETPOINT KEY MODE LOW LIMIT HIGH LIMIT DEFAULT
LEAVING CHILLED LIQUID SETPOINT
WATER COOLING
40.0°F
4.4°C
**70.0°F
21.1°C
44.0°F
6.7°C
GLYCOL COOLING
*10.0°F
-12.2°C **70.0°F
21.1°C
44.0°F
6.7°C
LEAVING CHILLED LIQUID CONTROL RANGE —
1.5°F
0.8°C
2.5°F
1.4°C
2.0°F
1.1°C
RETURNED CHILLED LIQUID SETPOINT
WATER COOLING
40.0°F
4.4°C
70.0°F
21.1°C
44.0°F
6.7°C
GLYCOL COOLING
10.0°F
-12.2°C
70.0°F
21.1°C
44.0°F
6.7°C
RETURN CHILLED LIQUID CONTROL RANGE
— 4.0°F
2.2°C
20.0°F
11.1°C 10.0°F
5.6°C
MAX EMS-PWM REMOTE TEMPERATURE RESET —
2°F
1.1°C
40°F
22.2°C
20°F
11.0°C
*
Refer to Engineering Guide for operation below 30°F (-1.1°C)
. Alternate thermal expansion valves must be used below 30°F (-1.1°C).
* When using glycol, Leaving Chilled Liquid Setpoint should not be set below 20°F (-6.7°C).
** Do not exceed 55°F (12.8°C) setpoint before contacting the nearest Johnson Controls Office for application guidelines.