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Model 220To the Instal ler
120806
Air Cooled Units
DO NOT obs truct air intake and discharge openings:
Air cooled units require a minimum of 3” (76 mm) of
clearance around all sides of the freezer and 7- 1/2”
(191 mm) on the bottom to allow for adequate air flow
across the condenser(s). Install the deflector provided
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 compressor.
Water Connections
(Water Cooled Units Only)
An adequate cold water supply must be provided with
a hand shut-off valve. On the underside rear of the
base pan, two 3/8” I.P.S. water connections for inlet
and outlet have been provided for easy hook- up. One
half inch inside diameter water lines should be
connected to the machine. (Flexible lines are
recommended, if local codes permit.) Depending on
local w ater 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. DO
NOT install a hand shut- off 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, throughthe outlet fitting to an
opentrapdrain.
A back flow prevention device is required
on the incoming water connection side. Please
refer to the applicable National, State, and local codes
for determining the proper c onfiguration.
Electrical Connections
In the United States, this equipment is intended to be
installed in accordance with the National Electrical
Code(NEC), ANSI/NFPA70-1987. The purpose of the
NEC code is the practical safeguardingof 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,
equipment should be installed in accordance with the
existing local codes. Please contact your local
authorities.
FOLLOW YOUR LOCAL ELECTRICAL CODES!
Each unit requires one power supply for each data
label on the unit. Check the data label(s) onthe freezer
for branch circuit overcurrent protection or fuse, circuit
ampacity, and other electrical specifications. Refer to
the wiring diagram provided inside of the control box
for proper power connections.
CAUTION: THIS EQUIPMENT MUST BE
PROPERLY GROUNDED! FAILURE TO DO SO
CAN RESULT IN SEVERE PERSONAL I NJURY
FROM ELECTRICAL SHOCK!
This unit is provided with an equipotential
grounding lug that is to be properly attached to the rear
of theframe bythe authorized installer . Theinstallation
location is marked by the equipotential bonding
symbol (5021 of IEC 60417-1) on both the removable
panel and the equipm ent’ s frame.