Dodge 250 Руководство по установке - Страница 3

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neutral
clutch
or
brake
115 VAC
50-60 Hz
customer
supplied
SPDT or
SPST switch
(SPDT shown)
Figure 3 - Wiring for 1 Unit
Operation
1.
Plug power supply into octal socket.
2.
Turn on power source.
3.
Voltage adjustments are made by removing plug button
on top of power supply case. This will expose a slotted
screwdriver adjustment. Turn the adjustment screw
clockwise to increase voltage, or counterclockwise to
decrease voltage.
4.
With switch in position P1 (or switch closed when
usingSPST) the clutch or brake is energized.
5.
With switch in position P2 (or switch open when usingSPST)
the clutch or brake is de-energized.
6.
If unit fails to operate, refer to the Troubleshooting section.
Maintenance
Fuse location and access
Model 250 has an internal fuse. The fuse can be checked
without removing the power supply cover. First remove the
power supply from the octal socket. An ohmmeter connected
between pins 1 and 4 on the module will read near infinity if the
fuse has burned out. If blown then replace with type 3AG 0.6
amp fuse.
NOTE: Do not use slow-blow type fuse.
To replace the fuse, remove four fasteners holding cover of base
plug. Carefully remove the cover. The fuse is located as shown
in Figure 4. Visually check the fuse. If the fuse is burned out,
remove it, and replace with a new fuse of proper size and type.
Carefully replace the cover and fasteners.
3
5
4
6
octal socket
1
7
8
2
P1
P2
common
Figure 4 - Fuse Location

Troubleshooting

If the unit fails to operate or operates in an improper manner, use
the following procedure to identify and resolve the problem.
1.
Check the power source (115 VAC, 50-60 Hz line voltage).
Is it turned on? Using an AC voltmeter, check the voltage
between terminals 1 and 5. The voltage should be between
110 and 120 VAC.
2.
Check actual wiring against the wiring diagram. Check
to see if voltage adjustment is turned up high enough to
operate clutch or brake.
3.
Check fuse. If the fuse is burned out, replace it with one of
the same type and rating. Review entire troubleshooting
procedure to identify reason for blown fuse.
4.
Disconnect clutch and/or brake from power supply.
5.
Check resistance of clutch and/or brake coils. If coil is
shorted or open it should be replaced.
6.
Check the connections between the power supply and
the clutch and/or brake to be operated. If the connections
are loose or the wires damaged or grounded, correct the
problem.
7.
If the above corrective actions do not restore normal
operation, the power supply should be replaced with a new
one.
Accessory Requirements
The following accessories are required for installation, but are
not supplied with the Model 250 power supply.
1.
Octal socket - DODGE part number 032401.
2.
Switch - One switch (SPST, SPDT, or DPDT depending upon
applications). Switch should be contact type. A minimum of
6A, 120VAC is recommended.
3.
Hook-up wire - as required.
3
Fuse