Ransburg 9040 Cascade LV Control Unit 76580 - Manual (Page 36)

CP-97-04.3 3 3 3 3 3 3 3 3 3 3
9040 Cascade Low Voltage Control Unit - Maintenance
3. Press panel retaining clips on top and bottom
of switch 1SW together and push switch out of
panel from the inside.
4. Press new switch (see “Parts Identification”
section of this manual to order) into panel opening
with terminals 1A and 2A to the bottom of the
cabinet.
5. Reconnect the four (4) quick connect terminals
to the new switch as follows:
> It is recommended that the four (4) ON/
OFF switch wires be tagged with their
respective terminal connections to 1SW
before removing.
N O T E N O T E N O T E N O T E N O T E
6. Slide chassis in, secure front panel screws,
and plug control unit backing.
Power Supply 1SUP Power Supply 1SUP Power Supply 1SUP Power Supply 1SUP Power Supply 1SUP
1. Ensure control unit is unplugged from AC outlet,
loosen front panel screws, and slide the control
unit chassis out.
2. Remove the four (4) screws from the
combination analog/triple setpoint board (if
installed) and remove the board from the 1SUP
power supply cover plate.
3. Remove the four (4) screws from the 1SUP
power supply cover plate and remove the plate.
1FU-2 1SW-1
1TB-N 1SW-2
8PL-2 1SW-1A
8PL-1 1SW-2A
From From From From From T T T T To o o o o
4. Remove connectors 8PL and 10PL from power
supply 1SUP.
5. Remove the four (4) cover plate standoffs from
power supply 1SUP and remove the power supply
from the unit.
6. Install new 1SUP power supply (See “Parts
Identfication” section of this manual to order) using
the four (4) cover plate standoffs. Ensure larger
connector (10PL) of power supply 1SUP faces
front of unit as shown in Figure 9.
7. Connect connectors 8PL and 10PL to new
power supply and reinstall cover plate and analog/
triple setpoint board.
8. Slide chassis in, secure front panel screws,
and plug control unit back in.
Flow Switch 1FS Flow Switch 1FS Flow Switch 1FS Flow Switch 1FS Flow Switch 1FS
(76580-1XXXX, -6XXXX, and
(76580-1XXXX, -6XXXX, and (76580-1XXXX, -6XXXX, and (76580-1XXXX, -6XXXX, and (76580-1XXXX, -6XXXX, and
-7XXXX)
-7XXXX) -7XXXX) -7XXXX) -7XXXX)
1. Disconnect air lines from flow switch.
2. Ensure control unit is unplugged from AC outlet,
loosen front panel screws, and slide control unit
chassis out.
3. Remove two (2) wires from flow switch
terminals.
4. Remove hex nuts from flow switch inlet and
outlet.
5. Pull out defective flow switch.
6. Attach two (2) wires to new flow switch (See
“Parts Identification” section of this manual for
ordering information) terminals (it does not matter
which one goes where).
> >> > > Always double-check that the control unit
is unplugged from its AC outlet before
removing the cover plate from power supply
1SUP.
W A R N I N G W A R N I N G W A R N I N G W A R N I N G W A R N I N G
!!!!!
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