10.Open CO2 cylinder and water inlet supply lines shutoff valves. Check for water leaks and tighten any loose connections.

11.Close front access door, then use a flat blade screwdriver to turn lock clockwise to lock the door.

12.Install back panel by reversing the removal procedure.

13.Connect electrical power to Unit.

14.Press both ‘‘AUTO BLEND 1’’ and ‘‘AUTO BLEND 2’’ switches.

15.Press both ‘‘AUTO 1’’ and ‘‘AUTO 2’’ switches to start freeze cylinders beaters and refrigeration system.

REPLENISHING SYRUP SUPPLY

NOTE: Sugar-free diet syrup cannot be used with this Unit.

Although syrup replenishing can be done anytime, syrup supply must be replenished when either ‘‘SYRUP 1’’ or ‘‘SYRUP 2’’ fault messages are displayed on message display indicating either No. 1 or No. 2 syrup system soft drink tank is empty.

NOTE: The following instructions are applicable only when replenishing syrup supply. Refer to SYRUP FLAVOR CHANGE when changing syrup flavors.

1.Remove double liquid check valve assembly from elbow in water pump outlet port. Retain white tapered gasket inside inlet (female) end of double liquid check valve.

2.Press applicable ‘‘OFF 1’’ or ‘‘OFF 2’’ switch to stop applicable freeze cylinder beater and refrigeration sys- tem.

IMPORTANT: The following CO2 and liquid disconnect and connecting procedure for soft drink tank replacement or filling soft drink tank in place must be performed in order as follows:

3.To disconnect soft drink tank from Unit syrup system.

A.Disconnect liquid disconnect from soft drink tank. NOTE - Disconnecting liquid quick disconnect from soft drink tank first prevents syrup from backflowing through Unit syrup flow regulator, which may alter regulator adjustment.

B.Second, disconnect CO2 quick disconnect from soft drink tank.

4.To connect soft drink tank into Unit syrup system.

A.First, connect CO2 quick disconnect to soft drink tank to pressurize tank.

B.Second, connect liquid quick disconnect to soft drink tank.

5.Disconnect inlet (CO2) and outlet (syrup) lines from empty soft drink tank.

6.Check soft drink tank quick disconnects for sticky or restricted operation. Rinse disconnects in warm water.

7.First, pressurize full soft drink tank by connecting CO2 line to tank, then connect Unit syrup inlet line to tank.

8.Press applicable ‘‘FILL 1’’ or ‘‘FILL 2’’ switch to fill applicable No. 1 or No. 2 syrup system syrup float switch with syrup.

9.Press applicable ‘‘AUTO BLEND 1’’ or ‘‘AUTO BLEND 2’’ switch to fill applicable No. 1 or No. 2 system product blender tank with product.

10.Press applicable ‘‘AUTO 1’’ or ‘‘AUTO 2’’ switch to start refrigeration system and beater in applicable No. 1 or No. 2 freeze cylinder.

11.If freeze cylinder is not full of product, repeatedly pull and release faceplate relief valve to slowly bleed CO2 from freeze cylinder and allow product to fill cylinder. Do not relieve freeze cylinder pressure too fast or product will foam excessively in cylinder and lose carbonation.

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Cornelius R-404A REFRIGERANT service manual Replenishing Syrup Supply