Air-Cooled Machines; Water Connections; Electrical Connections - Taylor 490 Operator's Manual

TO THE INSTALLER
metric conversions are approximate and vary in size.

Air-Cooled Machines

Do not obstruct air intake and discharge openings.
Air-cooled machines require a minimum of 6 in. (152 mm)
1
of clearance on both sides of the freezer. It is
recommended to place the rear of the machine against
the wall to prevent recirculation of warm air. Failure to
allow adequate clearance can reduce the refrigeration
capacity of the freezer and possibly cause permanent
damage to the compressors.

Water Connections

Water-Cooled Machines Only
An adequate cold water supply must be provided with a
hand shutoff valve. On the underside rear of the base
pan, two 3/8 in. IPS (for single-head machines) or two 
1/2 in. IPS (for double-head machines) water
connections for inlet and outlet have been provided for
easy hookup. Permanently connect the machine using 
1/2 in. (12.7 mm) inside diameter water lines. (Flexible
lines are recommended, if local codes permit.)
Depending on local water conditions, it may be advisable
to install a water strainer to prevent foreign substances
from clogging the automatic water valve. There will be
only one water in and one water out connection for both
single-head and double-head machines. Do not install a
hand shutoff valve on the water out line. Water should
always flow in this order: first, through the automatic
water valve; second, through the condenser; and third,
through the outlet fitting to an open trap drain.
IMPORTANT! A backflow prevention device is
required on the incoming water connection side. Please
see the applicable national, state, and local codes for
determining the proper configuration. Water pressure to
the unit must not exceed 150 psi (1034 kPa).
1-2

Electrical Connections

IMPORTANT! In the United States, this
machine is intended to be installed in accordance with
the National Electrical Code (NEC), ANSI/NFPA 701987.
The purpose of the NEC is the practical safeguarding of
persons and property from hazards arising from the use
of electricity. This code contains provisions considered
necessary for safety.
In all other areas of the world, the machine should be
installed in accordance with the existing local codes.
Please contact your local authorities if you have any
questions.
Each machine requires one power supply for each data
label on the machine. Check the data label(s) on the
machine for branch circuit overcurrent protection or fuse,
circuit ampacity, and other electrical specifications.
See the wiring diagram provided inside the electrical box
for proper power connections.
FOLLOW YOUR LOCAL ELECTRICAL CODES.
WARNING! This machine must be properly
grounded. Failure to do so can result in severe personal
injury from electrical shock.
IMPORTANT! An equipotential grounding lug is
provided with this machine. Some countries require the
grounding lug be properly attached to the rear of the
frame by the authorized installer. The installation location
is marked by the equipotential bonding symbol (5021 of
IEC 60417-1) on both the removable panel and the
machine's frame.
IMPORTANT!
• Stationary machines which are not equipped
Model 490
To the Installer