Cornelius DF/ED250PRO Manuel utilisateur

DF/ED250PRO Field Kit Installation Instructions

INSTALLATION INSTRUCTIONS

DF/ED250PRO FIELD KIT (P/N 629087544)

Installation of Low CO2Indicator Light

WARNING:

Disconnect power to the unit before servicing. Follow all lock out/tag out procedures established by the user. Verify all

power is off to the unit before performing any work.

Failure to comply could result in serious injury, death or damage to the equipment.

WARNING:

Water and CO2to the system must be turned off and the system depressurized prior to performing this service.

Failure to comply could result in serious injury, death or damage to the equipment.

1. Remove the upper front panel which is secured to the cabinet by “hooks” that fit into slots on the cabinet

front flange. Lift up on the panel right and left sides to disengage the hooks from the slots and then rotate

the panel downward and forward to remove from the cabinet. Disconnect the (3) electrical harnesses at the

rear of the front panel.

2. Remove the lower front splash panel (2 screws).

3. Locate the CO2 supply line (1/4 beverage tubing) to the carbonator tank located on the right side of the unit

above the coldplate (see Figure 1). Cut this line in an area that will be accessible for future servicing and

install the CO2 pressure switch with the fittings provided in the kit (see Figure 3).

4. Refer to Figure 2 for installing the CO2indicator light on the upper front panel. Remove the lid and straw

holder by loosening (3) screws at the “key-holes” and lifting up to clear the screw heads. Remove the lower

front ice portion control enclosure (4 screws) and disconnect the electrical harnesses as needed for

reworking the enclosure. Locate and drill a 1/2 in. diameter hole in the enclosure as shown in Figure 2 for

the indicator light. Insert the light from the front and “snap” into the mounting hole.

Parts List

Item No. Part Number Description Qty.

1 620313223 CO2 Pressure Switch 1

2 77060500 Tee 1/4MFL 1

3 40502 O-Clamp 2

4 77010400 1/4 Barb Stem 2

5 77045700 1/4 Flare Swivel Nut 2

6 178025100 1/4 Flare Washer 3

7 33666 Indicator Light 24V 1

8 620316401 CO2 Light Harness 1

9 620316402 CO2 Pressure Switch Harness 1

10 620313651 Jumper CO2 Pressure Switch 1

11 32870 Splice 2

12 50705 Cable Tie 8

13 620920638 Label Low CO2 Light 1

14 620919569 Installation Instructions 1

Release Date: October 14, 2010 www.cornelius.com Revision: B

DF/ED250PRO Field Kit Installation Instructions

5. Refer to the wiring detail of Figure 4 to complete the electrical hook-up of the indicator light to the pressure

switch and the 24V beverage transformer power source.

6. Route the electrical wires to the CO2pressure switch behind the beverage panel with the harnesses from

the unit’s electrical control box. Remove the (6) screws securing the beverage panel to the cabinet. The

panel can now be pulled down to provide access for routing the pressure switch wires. Secure the wiring

with the plastic cable ties provided in the kit to avoid “pinching” (cutting) the wire insulation when the panels

are assembled to the cabinet.

7. Connect electrical power to the unit. Before opening the water and CO2supply valves to the beverage sys-

tem, verify that the CO2indicator light is on. The indicator light should go off when the CO2supply valve is

opened.

8. Check for proper operation of the ice portion control system and the beverage system. Refer to the opera-

tion instructional label located on the upper front panel and the owners manual. The unit is now ready for

operation.

Figure 1.

Cut CO2Supply

Line See CO2

Pressure Switch

Install Detail

CO2 Supply Line

To Carbonator Tank

CO2 Inlet Line

To Regulator

Beverage Valve

& Auto/Manual

Harness From

E-Box

Manual Ice

Dispense PB

Switch Cord

Assy From E-Box

DF/ED250PRO Field Kit Installation Instructions

Figure 2.

6.000

1.750

SEE WIRING DETAIL

DRILL .500 ø HOLE

Drill .500 Hole

6.000

See Wiring Detail

1.750

DF/ED250PRO Field Kit Installation Instructions

Figure 3.

CO2 PRESSURE SWITCH DETAIL

TO CARBONATOR

TANK IN

DISPENSER

CO2 SUPPLY LINE

CO2 Supply Line

To Carbonator

Tank in Dispenser

CO2 Supply Line

CO2 Pressure Switch Detail

DF/ED250PRO Field Kit Installation Instructions

Figure 4.

BEVERAGE

XFMR

YELLOW

YELLOW W/

BLACK STRIPE

SPLICE

YELLOW

RED

BLACK

HARNESS

DISCONNECT

HOUSING

FRONT

PANEL

LOW CO

LIGHT

24V

10 9

Beverage

XFMR

Yellow

Splice

Yellow w/

Black Stripe

Yellow

Black

Red

Harness

Disconnect

Housing

Front

Panel

Low CO2

Light 24V

CO2 Pressure

Switch

Low CO2 Indicator Light Wiring Detail

DF/ED250PRO Field Kit Installation Instructions

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