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Models 345, 346, 349, 355To the Instal ler
10. For Bag-in-Box syrup delivery system, connect
thetwospareCO
2
lines from t he secondary
regulator to each “Gas I n” fitting on the pumps.
Set secondary regulator pressure to 60 P SI
(4.1 BAR) depending on the length of syrup line
run to the unit.
Important: Ensure that the Bag-in-Box switch is
enabled.
11. The CO
2
regulator assembly (primary regulator)
inside the freezer s hould be s et at 60 PSI (4.1
BAR). The secondary regulator, located inside
the freezer just behind the primary regulator,
canbeadjustedfrom20to25PSI.(Thefactory
recommendation is 20 PSI.) Increasing the
pressure from 20 PSI will increase the overrun.
You should always stay within the 20 to 25 PSI
range as the gauge reflects the pressure in the
hopper and barrel. The setting will be
determined by the desired overrun and the
syrup used.
12. The CO
2
low pressure switch requires at least
74 PSI before the freezer will start. It is set to
cut out at 60 PSI and in at 74 PSI.
13. The pressure relief valve on the hopper cover i s
set to relieve at 30 PSI in case of excess
pressure in the hopper.
14. There are check v alves in the CO
2
, syrup, and
water lines to prevent any back flow of soda
water, product, or CO
2
.
15. The CO
2
solenoids which supply CO
2
to the
hoppers are wired to provide CO
2
in all control
settings ex cept “ DEFROST” and “OFF”.