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YORK INTERNATIONAL
FORM 150.63-NM1
111
3
“SETPOINTS” KEYS
00069VIP
Programming of the cooling setpoints, daily schedule,
and safeties is accomplished by using the keys located
under the SETPOINTS section.
The three keys involved are labeled COOLING
SETPOINTS, SCHEDULE/ADVANCE DAY, and
PROGRAM.
Following are instructions for programming the respec-
tive setpoints. The same instruction should be used to
view the setpoints with the exception that the setpoint
will not be changed.
COOLING SETPOINTS
The Cooling Setpoint and Range can be programmed
by pressing the COOLING SETPOINTS key. After
pressing the COOLING SETPOINTS key, the Cooling
Mode (Discharge Air Temperature or Suction Pressure
Control) will be displayed for a few seconds, and then
the setpoint entry screen will be displayed.
Following are the four possible messages that can be
displayed after pressing the COOLING SETPOINT key,
indicating the cooling mode:
This message indicates that the cooling setpoint is un-
der LOCAL control. That is, the cooling setpoint is con-
trolling to the locally programmed setpoint. The mes-
sage also indicates that the control point is based on
Discharge Air temperature leaving the evaporator.
This message indicates that the cooling setpoint is un-
der LOCAL control (the cooling setpoint is controlling
to the locally programmed cooling setpoint). However,
L O C A L
D I S C H A R G E
A I R
T E M P
C O N T R O L
L O C A L
S U C T I O N
P R E S S U R E
C O N T R O L
Unit must first be programmed for “Unit Type – Condensing Unit”
under the Option Key to allow programming of appropriate setpoints.
Содержание MILLENNIUM YCUL0016SC
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