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WSV6 VERTICAL SERIES - IOM
30 WSV6 Vertical Series – IOM
CONTROLS
SEQUENCE OF OPERATION
START
G = ON STAND BY
FAN = ONANTI-SHORT CYCLE FAULT RETRY BLINK
SYSTEM CHECK
HPS = CLOSED
LPS = CLOSED
T
1
> CO1
CON = OPEN
T
2
> CO1
COMP
STATUS ON
COUNT
< 3
COMP
STATUS ON
FAULT RETRY
COMP OFF
SYSTEM LOCK
ALARM RELAY &
FAULT BLINK CDO
DIP 1.1 TARG T > 5S
COMP ON
COOL MODE
Y = ON
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
FAN MODE
YES
YES
YES
NO
NO
NO
NO
YES
YES
YES YES
NO YESYES
INITIAL CONDITION:
Comp = Off; Fan = Off
AWAY CHIP = NOT INSERT
LEGEND:
Y = Call for Cooling
G = Call for Fan
HPS – High Pressure Switch
LPS – Low Pressure Switch
CO1 – Air-Coil Freeze Sensor
CO2 = Water-Coil Freeze Sensor
CON – Condensate Overflow
Sensor
NO
FIGURE 14 – Sequence of Operations