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Installation & Operation
All washers must be installed in accordance with all local, state and national building,
electrical, and plumbing codes in effect in the area.
Foundation Requirements
The washer must be securely bolted to a substantial concrete floor, or mounted upon a suitable base
which is in turn securely bolted to a substantial concrete floor. Care must be stressed with all foundation
work to insure a stable unit, eliminating vibration. All installations must be made on sound concrete floors.
See mounting dimensions for each model being installed.
Mounting
A concrete pad or steel base which elevates the machine 4 to 6 inches above the floor level. To provide
easy access to the loading door, it is recommended to allow a minimum of 24" of clearance behind the
rear of the machine for service as is shown. Dexter highly recommends the use of a dry expansion grout
mix.
Proper Machine Grout Installation
Grout should be installed between base (if used) and concrete floor on all side rails and crossmembers. If
using a base you should grout between base top and machine frame and all side rails and crossmembers.
Mounting Holes
See mounting dimensions for the machine model you are installing in previous section. They also show a
typical concrete pad arrangement. It is highly recommended that you use all mounting holes supplied with
each model. Note: Mounting bolts should be checked frequently to insure that they remain tight. The
machine should be checked with a spinning load to be sure there is no unusual vibration or movement
between the machine and the base or floor. Please note: Machine grouting is highly recommended as
grouting insures stability and longevity.
Plumbing
Water supply hoses are furnished with each machine. The threaded connections on the hoses are
standard garden hose type thread. Separate hot and cold water lines with shut off valves or faucets for
inlet hose connections must be provided, maintaining 30 to 120 p.s.i. water flow pressure. Maximum water
temperature is 180 degrees.
Drain
The drain outlet tube at the rear of the machine is 3" in outside diameter on models T-400 & T-600. The
drain outlet tube at the rear of the machine is 2 1/4" outside diameter on a T-300. All Drains are gravity
Drain. Adequate fall must be maintained for proper drainage.
Protective Film
The machine may have protective adhesive film on the front escutcheon area and the front and side
stainless steel panels. The film may be peeled off before putting the machine into service.
Electrical
Dexter single/three-phase 208-240VAC 60 Hz washing machines are intended to be permanently installed
appliances. No power cord is provided. The machine should be connected to an individual branch circuit
not shared by lighting or other equipment. The connection should be sheathed in liquid tight flexible
conduit, or equivalent, with conductors of the proper size and insulation. A qualified technician should
make such connections in accordance with the wiring diagram.
Each unit should be connected to an individual branch circuit not shared by lighting or other equipment.
Conductors of the proper size and insulation (suggested size on the next page) should be used.
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Part # 8533-035-002 4/22
Electrical power connections are made to the small terminal block located in the rear
of the control trough. The terminal block is accessed by opening the top panel of the
machine.
1 Phase
220-240 volts, 60 Hz.
3 wire plus ground
Suggested Minimum Wire Size --12 Ga.
Fusing Requirements
Dual element time delay fuse or equivalent breaker of amperage specified below.
1 Phase
20 amp
3 Phase
15 amp
Always disconnect electrical power to the machine before performing any adjustments
or service work.
Rotation in extract as viewed from front of washer looking towards rear will be
counterclockwise.
Controls Transformer
This transformer is mounted at the back of the control trough and steps a range of 208
to 240 volts down to 115 volts for the controls. There are two terminals on the controls
transformer for incoming power. One terminal is for 208 to 220 volts and the other is for
221 to 240 volts.
Note: All 60 Hz. three phase washers have a controls transformer. Single phase washers
do not require a controls transformer. Always check the incoming voltage_ and use the
appropriate transformer terminal when installing three phase washers.
WARNING
3 Phase
208-240 volts, 60 Hz.
3 wire plus ground
Always disconnect electrical power to the
machine before performing any adjustments
or service.
Part # 8533-035-002 4/22
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