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Quick Reference Guide for Viper FCB and FUB Units

620055004QRG

Page 1

June 8, 2012

Rev. A

Viper FCB/FUB Quick Reference Guide

Electrical Requirements:

215-245 VAC, 60 Hz supply voltage

2-Barrel: NEMAL6-20P Dedicated 20 Amp Circuit Required
3-Barrel: NEMA L6-30P Dedicated 30 Amp Circuit Required
4-Barrel: NEMA L6-30P Dedicated 30 Amp Circuit Required

NOTE:

 If voltage is less than 215 VAC or more than 245 VAC, then a Buck/Boost 

transformer must be installed

Wiring:

All connections and wiring must comply with state and local codes.

Minimum Clearance Requirements:

Condenser air discharge is from the top of the unit. A minimum of 18 inches 
clearance is required.
Cold air intake clearance is 2 inches on the sides of the unit or 2 inches in back.

Water Requirements:

25 psig flowing through 1/2” i.d. water supply line.

2 and 3-Barrels: At a volume of 100 GPH.
4-Barrel: At a volume of 150 GPH.

NOTE:

 If water requirements are less than minimum, then a water booster must 

be installed. If water pressure is greater than 100 psig static, then a water regula-
tor must be installed

CO

2

 Requirements (2 regulators):

1 dedicated regulator set to 75 psig for pump supply located within six feet of 
machine.
1 dedicated regulator set to 70 psig for FUB or 75 psig for FCB.

Syrup Tubing Requirements:

Most syrups use 3/8” inside diameter tubing up to 75 feet. 1/2” inside diameter 
tubing is required for greater distances.
For FUB units, the length of tubing runs must not exceed 100 ft. horizontally and 10 
ft. of vertical lift.

NOTE:

 High viscosity syrups require 1/2” inside diameter tubing for all distances.

Before attempting to install or service this machine,

read this Quick Reference Guide!

For more detail, refer to manuals supplied with the unit.

For Technical Service: 1-800-238-3600 (US); www.cornelius.com (Global)

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