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YORK INTERNATIONAL
26
FORM 160.55-O1 (604)
REFRIGERANT LEVEL CONTROL SCREEN
FIG. 9
00303VIP
OVERVIEW
This screen displays a cutaway view of the chiller con-
 dens er, along with the liquid refrigerant level sensor and 
the ß ow control valve. All setpoints relating to the liq uid 
level control are maintained on this screen. Through 
animation, the variable oriÞ ce position is dis played. In 
addition, the refrigerant ß ow control valve (variable 
or i Þ ce)  can  be  man u al ly  op er at ed.
Requires a login ac cess level of 
SERVICE.  Service  Tech ni cians  re fer 
to YORK Service Manual 160.55-M1 
for  operation  in struc tions  and  ex pla -
na tion of all pro gram ma ble setpoints 
and dis played values. 
DISPLAY ONLY
Refrigerant Level Position 
Displays the present position of the liquid level. The 
re frig er ant level is animated in the cutaway view of the 
condenser. When the actual level is 0% to 15%, the level 
is shown about 50% full. When the actual level is 16% 
to 31%, the level is shown about 60% full. When the 
actual lev el is 32% to 47%, the level is shown about 70% 
full. When the actual level is 48% to 63%, the level is 
shown about 80% full. When the actual level is 64% to 
79%, the level is shown as about 90% full. Ac tu al levels 
above 79%, shown as 100% full.   
Refrigerant Level Control Mode 
Indicates whether the liquid level control is under man-
 u al or automatic control.
Raise (LED)
Is ON when the digital output controlling the Level 
Raise contact is on.
Lower (LED)
Is ON when the digital output controlling the Level 
Low er contact is on.
PROGRAMMABLE
[Refrigerant Level] Setpoint 
Service Technicians refer to YORK Service Manual 
160.55-M1.
[Refrigerant Level Control] Period
Service Technicians refer to YORK Service Manual 
160.55-M1.
[Refrigerant Level Control] Proportional 
Limit Open
Service Technicians refer to YORK Service Manual 
160.55-M1.
OptiView Control Center