Vinotemp WINE-MATE VINO6500SSD - Manual (Page 5)

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High superheat and normal to high subcooling
l.
Low suction pressure and normal head pressure
High superheat and normal subcooling
m. Low suction pressure and high head pressure
High superheat and high subcooling
n. Low suction pressure and high head pressure
High superheat and high subcooling
o. low to normal suction pressure and high head pressure
High to normal superheat and high subcooling
l.
Expansion valve restricted
m. Both evaporator and condenser
restricted
n. Liquid line restricted before
receiver
o. Condenser restricted
7.
Use of the adjustable pressure control (if applicable for pump-down)
Suction pressure setting: Cut out=5 psig; Cut in=25 psig; Differential=20 psig
Head pressure setting: Cut out=230 psig; Cut in=150 psig; Differential=80 psig
It may need to adjust the setting in the field to get the right cycle time.
A. Dual Control
Fig. 7 Single Adjustable Pressure Control