York MILLENNIUM YIA-ST-1A1 - Unit Operation; Local or Remote Mode; Steam or Hot Water Units; Operation Flow Chart

YORK INTERNATIONAL 11
FORM 155.16-O3
UNIT OPERATION
LOCAL OR REMOTE MODE
STEAM OR HOT WATER UNITS
BEGIN
LOCAL
OR REMOTE
START
1
2
➤
➤
➤
➤
LVG
WATER TEMP <
SETPOINT
CYCLING SHUTDOWN-
DISPLAY “DAY-TIME-LVG
WATER TEMP < SETPOINT”
AS STATUS
➤
NO
YES
YES
NO
9
PAGE 43
➤
CYCLING SHUTDOWN-
DISPLAY “DAY-TIME-
STEAM/HOT WATER
VALVE LOADED ABOVE
10%” AS STATUS
STEAM/
HOT WATER
VALVE POS.
> 10%
➤
YES
NO
10
➤
PAGE 43
CLOSE CHILLED WATER
PUMP CONTACTS
TB4-44/45
DISPLAY “COOLING
START SEQUENCE
INITIATED”
➤
➤
A