Benchy
–
Glycol Instruction Manual
Page
6
of
9
Last Updated 14/12/2020 5:29 PM
Filling the Reservoir
The Benchy can be operated with either just water in the reservoir or both water and glycol to
reduce the freezing point of water.
IMPORTANT: If you are only using water in the reservoir and not glycol then do not set the
temperature of the reservoir below 2°C.
Fill the reservoir until the copper cooling coils are submerged with water if the reservoir is set at 2°C
or an appropriate concentration of glycol and water solution if dropping the reservoir below 2°C
according to the table below. The amount of glycol required to be added to the reservoir depends
on the desired set temperature of the reservoir which is dependent on a number of factors including
heat ingress into the entire system, insulation of the glycol lines, ambient temperature, the number
of kegs being cooled and the temperature of the kegs. Use the table below to determine what
percentage of glycol you require.
Glycol Volume %
Freezing Point °C
Specific Gravity at 21°C
0
0.0
1.000
10
-3.3
1.006
20
-7.8
1.015
30
-13.3
1.024
You can measure the glycol percentage using a calibrated refractometer and comparing to the
specific gravity at 21°C in the above table.
We would advise running a 20% glycol solution however, if you do not have a jacketed fermenter or
have the fermenter in a very warm environment you can run it at a higher glycol concentration. The
pumps are not designed to be run with a glycol concentration higher than 30% hence it is not
advised to exceed this glycol concentration. Doing so may damage the pumps.
Dispensing Beverages Through the Benchy
Use the diagrams below to determine how to dispense beverages through the benchy. Please note
that the diagrams below are for demonstration purposes only. You may have a different style
coupler or tap and shank setup to what is shown in the below diagrams. Fittings other than duotight
fittings can be screwed onto the 5/8
”
BSP shanks for the product lines such as:
•
Liquid Ball Lock Post with 5/8
”
Thread (
•
K-lok female to 5/8
”
Female (
•
Duotight 5/8
”
Female to 9.5mm (3/8) Push in (
•
Swivel nut (
) and any of the below barbs:
•
Angle Barb 6mm (
•
Straight barb 6mm (
•
Straight barb 8mm (
•
Straight barb 10mm (
•
Straight barb 13mm (
