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YORK INTERNATIONAL
FORM 150.63-NM2
113
3
The low limit, high limit, and default values for the keys
under “SETPOINTS” are listed in Table 13.
SCHEDULE/ADVANCE DAY KEY
The SCHEDULE is a seven day daily schedule that al-
lows one start/stop time per day. The schedule can be
programmed Monday through Sunday with an alternate
holiday schedule available. If no start/stop times are pro-
grammed, the unit will run on demand, providing the unit
is not shut off on a unit or system shutdown. The daily
schedule is considered “not programmed” when the times
in the schedule are all zeros (00:00 AM).
To set the schedule, press the SCHEDULE/ADVANCE
DAY
key. The display will immediately show the follow-
ing display.
The line under the 0 is the cursor. It may be changed by
using the UP and DOWN arrow keys until correct. Press-
ing the ENTER/ADV key will enter the hours 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 me-
ridian 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 reprogrammed to
the desired schedule.
M O N
S T A R T
=
0 0 : 0 0
A M
S T O P
=
0 0 : 0 0
A M
TABLE 13 – COOLING SETPOINTS, PROGRAMMABLE LIMITS AND DEFAULTS
SETPOINT VALUE
LOW LIMIT
HIGH LIMIT
DEFAULT
Discharge Air Temp. Setpoint
45.0 °F
70.0°F
44.0°F
7.2°C
21.1°C
12.7°C
Discharge Air Temp. Range
3.0°F
10.0°F
5.0°F
1.7°C
5.6°C
2.8°C
Suction Pressure Setpoints
60 PSIG
90 PSIG
70 PSIG
4.14 BARS
6.21 BARS
4.83 BARS
Suction Pressure Range
2 PSIG
10 PSIG
3 PSIG
.13 BARS
.69 BARS
.20 BARS
Max EMS - PWM Remote Temp. Reset
2°F
40°F
20°F
1°C
22°C
11°C
To page to a specific day press the SCHEDULE/AD-
VANCE 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:
The times may be set using the same procedure as de-
scribed 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:
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 UP arrow key 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 nor-
mal daily schedule.
H O L
S T A R T
=
0 0 : 0 0
A M
S T O P
=
0 0 : 0 0
A M
S
M
T
W
T
F
S
H O L I D A Y
N O T E D
B Y
*
Содержание MILLENNIUM YCUL0045SC
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