2Model 428To the Installer
080828
Electrical Connections
This equipment is supplied with a 3-wire cord and
grounding type plug, for connection to a single phase,
60 cycle, branch circuit supply. This unit must be
pluggedint o a properly grounded receptacle. The cord
and plug provided are 20 A for 115/60/1, or 15 A for
208-230/60/1; therefore, the wall outlet must also be
20 A for 115/60/1 or 15 A for 208-230/60/1. Check the
data label, located on the side panel for electrical
specifications.
Note: The following procedures should be
performed by a trained service techni cian.
Permanent wiring may be employed, if required by
local codes. Instructions for conversion to permanent
wiring are as follows:
1. Be sur e the freezer is electrically disconnected.
2. Remove t he appropriate panel and locate the
small electrical box at the base of the freezer.
3. Remove t he factory installed cord and strain
relief bushing.
4. Route inc oming permanent wiring through 7/8”
(22 mm) hole in base pan.
5. Connect two power supply leads. Attach ground
(earth) wire to the grounding lug inside the
electrical box.
6. Be sur e unit is properly grounded before
applying power.
In the United States, this equipment is intended to be
installed in accordance with the National Electrical
Code(NEC), A NSI/NFPA70-1987. T hepur pose 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 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 on the freezer
for branch circuit overcurrent protection or fuse, c ircuit
ampacity and other electrical specific ations. Refer to
thewiring diagr am provided inside of the electrical box,
for proper power connections.
CAUTION: THIS EQUIPMENT M UST BE
PROPERLY GROUNDED! FAILURE TO DO SO
CAN RESULT IN SEVERE PERSONAL INJURY
FROM ELECTRICAL SHOCK!
DO NOT operate this freezer with larger f uses
than specified on the unit data label. Failure to follow
this instruction may result in electrocution or dam age
to the machine.
This unit is provided with an equipotential
grounding lug that is to be properly attached to the rear
oft he frame by the authorized installer. The inst allation
location is marked by the equipotential bonding
symbol (5021 of IEC 60417-1) on both the removable
panel and the equipment’s frame.
Stationary appliances which are not equipped
with a power cord and a plug or another device to
disconnect the appliance from the power source must
have an all-pole disconnecting device with a contact
gap of at least 3 mm installed in t he external
installation.