9040 Low Voltage Control Unit Kit- Maintenance
Pressure Switch (76580-4XXXX, -
5XXXX, -8XXXX, and -9XXXX)
1.
Disconnect pressure signal input line from
pressure 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 pressure switch
terminals.
4.
Loosen hex nut from fitting and remove
pressure switch and fitting from control unit.
5.
Remove fitting from defective pressure
switch and install on new pressure switch (see
“Parts Identification” of this manual for ordering
information).
6.
Install new pressure switch in control unit by
securing hex nut to fitting.
7.
Attach two (2) wires to the NO (normally
open) and C (common) terminals of the
pressure switch (it does not matter which one
goes where). Do not attach any wires to the NC
terminal for the pressure switch.
8.
Slide chassis in, secure front panel screws,
and plug control unit back in.
9.
Reconnect pressure signal input line to
pressure switch.
LED Display Board
1.
Ensure control unit is unplugged from AC
outlet, loosen front panel screws, and slide
control unit chassis out.
2.
Unplug display board connector 9PL from
main PC board.
3.
Remove two (2) screws that mount display
board to inside of front panel and remove
display board from control unit.
4.
Install new display board (see “Parts
Identification” section of this manual for
information) in control unit.
5.
Reconnect connector 9PL to main PC board.
6.
Slide chassis in, secure front panel screws,
and plug control unit back in.
Kilovolt (kV) or Microamp (
m
A)
Meter
1.
Ensure control unit is unplugged from AC
outlet, loosen front panel screws, and slide
control unit chassis out.
2.
Remove two (2) hex nuts from wiring
terminals and remove wire lugs.
3.
Remove four (4) hex nuts that mount meter
to front panel.
4.
Remove old meter and install new one (see
“Parts Identification” section of this manual for
ordering information).
5.
Reconnect wire lugs to meter (purple wire
goes to + terminal of meter).
6.
Slide chassis in, secure front panel screws,
and plug control unit back in.
CP-11-01
36
Содержание 9040
Страница 2: ...CP 11 01...
Страница 29: ...9040 Low Voltage Control Unit Kit Operation NOTES CP 11 01 26...
Страница 33: ...9040 Low Voltage Control Unit Kit Maintenance NOTES CP 11 01 30...
Страница 36: ...9040 Low Voltage Control Unit Kit Maintenance Figure 11 9040 Cascade Control Unit Block Diagram 33 CP 11 01...
Страница 41: ...9040 Low Voltage Control Unit Kit Maintenance NOTES CP 11 01 38...
Страница 44: ...CP 11 01 40...
Страница 49: ...Models and specifications subject to change without notice 07 11...