Adjusting "Water-Cooled" Unit Refrigeration System Variable Water Regulator; Adjusting Beater Motor Current (Either Side); Programming Main Menu Selections Onto The Message Display; Programming ''Defrost'' (Automatic) Settings Into The Unit - Cornelius FCB 3 H.P. POST-MIX DISPENSER Installation & Service Manual

ADJUSTING "WATER-COOLED" UNIT REFRIGERATION SYSTEM VARIABLE WATER
REGULATOR
Water-Cooled Refrigeration System Dispenser.
Water flow rate through the refrigeration cooling coil varies due to pressure change on the high side
of the refrigeration compressor which influences opening and closing of the variable water regula-
tor (see Figure 16). The variable water regulator must be adjusted to maintain 240-psi refrigeration
high-side pressure.
Adjust the variable water regulator (see Figure 16) to maintain 240-psi refrigeration high-side pressure as
instructed in the SERVICE AND MAINTENANCE section.

ADJUSTING BEATER MOTOR CURRENT (EITHER SIDE)

1. Remove four screws securing the upper control box cover, then remove cover for access to the master
circuit board inside the control box.
2. Adjust beaters motors currents as instructed in SERVICE AND MAINTENANCE section.

PROGRAMMING MAIN MENU SELECTIONS ONTO the MESSAGE DISPLAY

The MAIN MENU SELECTIONS (see Table 3) may be brought up on message display as instructed in
SERVICE AND MAINTENANCE section.
Program ''CLOCK'' (TIME OF DAY) into Unit as instructed in SERVICE AND MAINTENANCE section.

PROGRAMMING ''DEFROST'' (AUTOMATIC) SETTINGS INTO the UNIT

The automatic defrost system may be programmed into the Unit to occur up to nine different times during a day
with a minimum of two hours between defrost time settings. Program automatic defrost time settings into the
Unit as instructed in SERVICE AND MAINTENANCE section.

PROGRAMMING ''SLEEP'' (SLEEP TIME) INTO the UNIT

''SLEEP'' (SLEEP TIME) may be programmed into the Unit to occur any time of the day after the Unit automatic
defrost cycle has occurred. The Unit will shut down (go into sleep time) and will not wake up (return to normal
operation) until programmed ''WAKE UP'' (WAKE UP TIME) has occurred. Program ''SLEEP'' (SLEEP TIME)
into the Unit as instructed in SERVICE AND MAINTENANCE section.

PROGRAMMING ''WAKE UP'' (WAKE UP) TIME INTO the UNIT

''WAKE UP'' (WAKE UP TIME) May be programmed into the Unit to occur any time of the day to wake the Unit
up (return to normal operation) after ''sleep time'' has occurred. Program ''WAKE UP'' into the Unit as instructed
in SERVICE AND MAINTENANCE section.

PROGRAMMING POINT OF SALE MESSAGE DISPLAY

Three point of sale display messages are available to choose from and may be programmed into the Unit by
placing No. 1 and No. 2 switches on the DIP SWITCH assembly on the master circuit board in appropriate
positions. Program point of sale display messages into the Unit as instructed in SERVICE AND MAINTENANCE
section.
IMPORTANT NOTICE
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