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Electrical
The Dexter single/three-phase 208-240VAC 60 Hz (single phase 230VAC 50 Hz) non-heated washing ma-
chines and three phase only 208-240VAC 60 Hz (400VAC 50 Hz) heated 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. A means for disconnection with
a contact separation of at least 1/8” (3 mm) must be provided. The connection should be sheathed in
liquid-tight or approved flexible conduit, or equivalent, with conductors of the proper size and insulation
(50 Hz: The sheath of the supply cord must be at least equivalent to that of a cord complying with IEC 227
or IEC 245). A qualified technician should make such connections in accordance with the wiring diagram.
See specification sheet for minimum recommended wire size.
Individual circuit breakers for each unit are required. Do not use ground-fault (earth-fault) circuit breakers
or ground-fault (earth-fault) circuit interrupter outlets.
To Make Electrical Connections
Disconnect all power to the washer.
Remove the top panel of the washer and locate the power terminal block near the back of the control
compartment.
If power is 208-240V-3PH-60Hz, connect L1, L2, L3 and Ground. If there is a high leg, it must NOT
be connected to L1 or L2. However, failure due to a voltage surge on the high leg is not covered by
equipment warranty. Contact Dexter Laundry with any questions.
If power is 208-240V-1PH-60Hz, connect L1, L2 and Ground (Only Non-Heated Washers may be connected
to 1PH power).
If power is 400V-3PH-50Hz, connect L1, L2, L3, N, and Earth. If there is a high leg, it must NOT be
connected to L1 or L2. However, failure due to a voltage surge on the high leg is not covered by
equipment warranty. Contact Dexter Laundry with any questions. (Only Heated Washers may be
connected to 400V-3PH power).
If power is 230V-1PH-50Hz, connect L1, N and Earth (Only Non-Heated Washers may be connected to 1PH
power).
NOTE:
It is important that the grounding screw next to the power terminal block be connected to a good
external ground.
WARNING
Always disconnect electrical power to the
machine before performing any adjustments
or
service.
Dexter Recommended
Connections
Controller / Injector
Signals
Detergent
1
Bleach
2
Starch
3
Sour/Softener
4
5
6
7
8
9
10
60 HZ CONTROL TRANSFORMER CONNECTIONS
NOTE: transformer must be set at proper tap for proper operation.
The controls transformer is located inside the control trough and steps a range of 208 to 240 volts
down to 115 volts and 24 volts. There are two terminals on the controls transformer for the primary
(incoming) power. Use the terminal marked “208V” for power supplies between 208 and 219 volts. Use
the terminal marked “240V” for power supplies between 220 and 240 volts. Refer to the following for
control transformer connections.
CONTROLS TRANSFORMER
(230V 50 Hz models only)
The controls transformer is located inside the control trough and steps a range of 180 to 255 volts down
to 24 volts. There are two terminals on the controls transformer for the primary (incoming) power. Use
the terminal marked “L1 200V” for power supplies between 180 and 229 volts. Use the terminal marked
“L1 230V” for power supplies between 230 and 255 volts.
50 Hz Control Transformer Connections
22
23
Part # 8533-109-001 12/21
Part # 8533-109-001 12/21
Machine
Mounting
Installation
& Operation
Programming
Trouble-
shooting
Machine
Service
Electrical
Wiring
Parts
Data
50Hz
Parts
Maintenance
Service Elec.
Compnents
Содержание O Series
Страница 16: ...30 Part 8533 109 001 12 21 30 31 Part 8533 109 001 12 21 Notes Section 3 Machine Programming Instructions ...
Страница 22: ...43 Part 8533 109 001 12 21 42 Part 8533 109 001 12 21 Section 4 Trouble Shooting ...
Страница 27: ...52 Part 8533 109 001 12 21 52 53 Part 8533 109 001 12 21 Notes Section 5 Machine Service Procedures ...
Страница 33: ...64 Part 8533 109 001 12 21 65 Part 8533 109 001 12 21 Notes Section 6 Service Electrical Components ...
Страница 36: ...70 Part 8533 109 001 12 21 70 71 Part 8533 109 001 12 21 Notes Section 7 Electrical Wiring Diagrams Schematics ...