1-4
TO THE INSTALLER
Models 345, 346, 349, 355 NPR
To the Installer
1
Refrigerant
CAUTION! This machine contains fluorinated
greenhouse gases (F-Gas) to provide refrigeration using
a hermetically sealed circuit or within foam insulation.
This machine’s type of gas, quantity, Global Warming
Potential (GWP), and CO
2
tonnes equivalent information
is recorded on the machine’s data label. The refrigerant
used is generally considered nontoxic and
nonflammable. However any gas under pressure is
potentially hazardous and must be handled with caution.
NEVER fill any refrigerant cylinder completely with liquid.
Filling the cylinder approximately 80% will allow for
normal expansion.
CAUTION! Use only approved refrigerant
listed on the machine's data label or authorized through a
manufacturer's technical bulletin. The use of any other
refrigerant may expose users and operators to
unexpected safety hazards.
WARNING! Refrigerant liquid sprayed onto the
skin may cause serious damage to tissue. Keep eyes
and skin protected. If refrigerant burns should occur,
flush the area immediately with cold water. If burns are
severe, apply ice packs and contact a physician
immediately.
NOTICE! Taylor reminds technicians to be
aware of and in compliance with local government laws
regarding refrigerant recovery, recycling, and reclaiming
systems. For information regarding applicable local laws,
please contact your local authorized Taylor distributor.
IMPORTANT! Refrigerants and their
associated lubricants may be extremely moisture
absorbent. When opening a refrigeration system, the
maximum time the system is open must not exceed 15
minutes. Cap all open tubing to prevent humid air or
water from being absorbed by the oil.
Syrup System Connections
1. Water pipe connections and fixtures directly
connected to a potable water supply shall be sized,
installed, and maintained according to federal, state,
and local laws.
2. Hook up cold water supply to the freezer to supply
water to the carbonator. A minimum of 21 psi (1.45
bar) of water pressure is required at the low-pressure
switch. The low-pressure switch will cause the entire
freezer to shut down if the water pressure drops
below 7 psi (0.483 bar) for longer than one minute.
3. For Electrical Hookup Specifications:
• One power cord
• Refer to the data label.
• Make sure all control switches on the front panel
are in the OFF position.
• The freezer must be properly grounded.
4. For Models 345 and 346:
This harness has three Nylobrade
®
tubes that feed
through the base pan and exit the rear of the freezer.
Note: For all models, freezing cylinders are
numbered from left to right when facing the machine.
(e.g., left freezing cylinder is #1.)
a. Connect the #1 line to the syrup supply for the #1
freezing cylinder as viewed from the front of the
machine.
b. Connect the #2 line to the syrup supply for the #2
freezing cylinder as viewed from the front of the
machine.
c. Connect the CO
2
line to the CO
2
regulator that is
closest to the CO
2
tank (primary regulator). This
line will supply CO
2
to the freezer.
Figure 1-2
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