
77X INSTALLATION & OPERATION MANUAL
771/772/773/774 MODELS
10
4.9 Supply Connections
The water, syrup, and gas connections can be found at the back of the dispenser. All dispensers will have a bulkhead
label near the bulkhead fittings illustrating which supply line connects to each fitting (
Figure 4.3
). The label will differ in
size and shape based on the dispenser model. Please refer to the “Bulkhead Fittings” table in this section for additional
information on the different connections.
Figure 4.3 Bulkhead Fittings Label Location
* “X” represents the barrel number for SYRUP connections, and the flavor number for FLAV connections.
Bulkhead Fittings
Fitting Label Description
H2O
Water supply connection.
CO2
Carbon dioxide supply connection (for standard configurations).
N2
Nitrogen supply connection (for nitrogen configurations).
MAIN GAS
Connection for gas driving pumps, active charge system, and pneumatic faceplate on
universal gas configurations. Can be compressed air, CO2 or N2.
GAS 1
Connection for gas being injected into product (for multi-flavor dispensers only). Can be
CO2 or N2. Gas 1 supplies barrel 1 on universal gas configurations.
GAS 2
Connection for gas being injected into product (for multi-flavor dispensers only). Can be
CO2 or N2. Gas 2 supplies barrel 2 on universal gas configurations.
SYRUP X*
Base syrup connection. The base flavor syrup in a given barrel.
FLAV X*
Flavor shot connection. The flavor shot that will be mixed with a base syrup (on multi-
flavor dispensers only).
SYRUP 4
SYRUP 3
CO
2
H
2
O
SYRUP 2
SYRUP 1
Artwork for 24-2403-0001_D
LABEL, BULKHEAD DIAGRAM, 774
Created 01/27/17 (Rev D), ECN 17-095
*Contact FBD Engineering Department for digital artwork files of layout with color specifications.
PANTONE BLACK C
BRUSHED SILVER
SYRUP 4
SYRUP 3
CO
2
H
2
O
SYRUP 2
SYRUP 1
Artwork for 24-2403-0001_D
LABEL, BULKHEAD DIAGRAM, 774
Created 01/27/17 (Rev D), ECN 17-095
*Contact FBD Engineering Department for digital artwork files of layout with color specifications.
PANTONE BLACK C
BRUSHED SILVER
SYRUP 4
SYRUP 3
CO
2
H
2
O
SYRUP 2
SYRUP 1
Artwork for 24-2403-0001_D
LABEL, BULKHEAD DIAGRAM, 774
Created 01/27/17 (Rev D), ECN 17-095
*Contact FBD Engineering Department for digital artwork files of layout with color specifications.
PANTONE BLACK C
BRUSHED SILVER
SYRUP 4
SYRUP 3
CO
2
H
2
O
SYRUP 2
SYRUP 1
Artwork for 24-2403-0001_D
LABEL, BULKHEAD DIAGRAM, 774
Created 01/27/17 (Rev D), ECN 17-095
*Contact FBD Engineering Department for digital artwork files of layout with color specifications.
PANTONE BLACK C
BRUSHED SILVER
SYRUP 4
SYRUP 3
CO
2
H
2
O
SYRUP 2
SYRUP 1
Artwork for 24-2403-0001_D
LABEL, BULKHEAD DIAGRAM, 774
Created 01/27/17 (Rev D), ECN 17-095
*Contact FBD Engineering Department for digital artwork files of layout with color specifications.
PANTONE BLACK C
BRUSHED SILVER
SYRUP 4
SYRUP 3
CO
2
H
2
O
SYRUP 2
SYRUP 1
Artwork for 24-2403-0001_D
LABEL, BULKHEAD DIAGRAM, 774
Created 01/27/17 (Rev D), ECN 17-095
*Contact FBD Engineering Department for digital artwork files of layout with color specifications.
PANTONE BLACK C
BRUSHED SILVER
SYRUP 4
SYRUP 3
CO
2
H
2
O
SYRUP 2
SYRUP 1
Artwork for 24-2403-0001_D
LABEL, BULKHEAD DIAGRAM, 774
Created 01/27/17 (Rev D), ECN 17-095
*Contact FBD Engineering Department for digital artwork files of layout with color specifications.
PANTONE BLACK C
BRUSHED SILVER
SYRUP 4
SYRUP 3
CO
2
H
2
O
SYRUP 2
SYRUP 1
Artwork for 24-2403-0001_D
LABEL, BULKHEAD DIAGRAM, 774
Created 01/27/17 (Rev D), ECN 17-095
*Contact FBD Engineering Department for digital artwork files of layout with color specifications.
PANTONE BLACK C
BRUSHED SILVER