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Models 340, 341, 342 To the Installer
050307
Section 1 To the Installer
This machine is designed for indoor use only.
DO NOT install the machine in an area where
a water jet could be used to clean or rinse the machine.
Failure to follow this instruction may result in serious
electrical shock.
Water Connections
(Water Cooled Un its Only)
An adequate c old water supply with a hand shut-off
valve must be provided. On the underside of the base
pan, two 3/8” I.P.S. (for single-head units) or two 1/2”
I.P.S. (for double-head units) water connections for
inlet and outlet have been provided for easy hook-up.
1/2” inside diameter water lines should b e connected
to the machine. (Flexible lines are recommended, if
local codes permit.) Depending on local water
conditions, it may be advisable to install a w ater
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
double-head and single-head units. 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 t he
condenser; and third, through the outlet fitting to an
opentrapdrain.
Air Cooled Units
The model 340 air cooled unit requires a minimum of
6” (152 mm) of clearance around both sides of the
freezer. It is recommended to install a skirt to one side
of the unit, and to place the back of the unit against a
wall. The models 341 and 342 air cooled units require
a minimum of 3” (76 mm) of air clearance around all
sides.
Failure to allow adequate clearance can reduce the
refrigeration capacity of the freezer and possibly
cause permanent damage to the compressor.
Electrical Connections
Each freezer requires one power supply for each data
label. Check the data label(s) on the freezer for fuse,
circuit ampacity and electrical specifications. For
proper power connections, refer to the wiring diagram
provided inside of the e lectrical box.
In the United States, this equipment is intended to be
installed in accordance with the National Electrical
Code (NEC), ANSI/NFPA 70--1987. The purpose of
the NEC code is the practical safeguarding of persons
and property from hazards arising from the use of
electricity. This code contains provisions considered
necessary f or safety. Compliance therewith and
proper maintenance will result in an installation
essentially free from hazard!
In all o ther areas of the world, equipm ent should be
installed in accordance with the existing local codes.
Please contact your local authorities.
Stationary appliances which are not equipped with a
power cord and a plug or other device to disconnect
the appliance from the power source m ust have an
all--pole disconnecting device with a contact gap of at
least 3 mm installed in the external installation.
CAUTION: THIS EQUIPMENT MUST BE
PROPERLY GROUNDED! FAILURE TO DO SO
CAN RESULT IN SEVERE PERSONAL INJURY
FROM ELECTRICAL SHOCK!
Beater rotation must be clockwise as viewed looking
into the freezing cylinder.
Note: The following procedures should be performed
by a trained service technician.
To correct rotation on a three-phase unit, interchange
any two incoming power supply lines at the freezer
main terminal block only.
To correct rotation on a single-phase unit, change the
leads inside the beater motor . (Follow the diagram
printedonthemotor.)
Electrical connections are made directly to the
terminal block. The terminal block is p rovided in the
main control box located under the upper left side
panel on counter models or behind the service panel
on console models.