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6. REPAIR AND REPLACEMENT
6.1
COMPLETE FRONT PANEL REPLACEMENT
A. Turn key switch OFF.
B. Loosen the two (2) captive screws on control panel and partially pull control panel out of the
control housing.
C. Disconnect the transformer power cord connector inside the control housing.
D. Disconnect wiring harness by grasping the ends of the 16 pin connector on the PCB. Do
NOT
remove by pulling on the wires.
E. Remove control panel from control housing.
F. Replace with new control panel (refer to Section 6.3).
6.2
MAIN CONTROL PCB REPLACEMENT
A. Remove the control panel (refer to Section 6.1).
B. Disconnect the 4-pin mode switch connector and 2-pin transformer connector by grasping the
housing. Do
NOT
try to remove by pulling the wires.
C. Use a straight slot screwdriver to turn the 4 plastic latches 1/4 turn counter clockwise.
CAUTION
PLACE THE BAD PCB IN THE ANTISTATIC SHIPPING BAG. THE CONTROL PCB IS
NOT
FIELD
REPAIRABLE AND MUST BE RETURNED TO LANCER FOR REPAIR. ANY ATTEMPT TO FIELD
REPAIR WILL VOID ANY WARRANTY.
PCBs MUST BE PACKAGED IN PROTECTIVE PLASTIC SHIPPING BAG WHEN HANDLED,
STORED, TRANSPORTED OR SHIPPED. FAILURE TO DO SO MAY CAUSE DAMAGE TO THE
PCB.
D. Lift the control PCB off the stand-offs.
E. Remove the new control PCB from the antistatic plastic bag and install on the four (4) plastic
stand-offs with the alarm positioned between the mode switch and circuit breaker.
F. Turn the plastic latches 1/4 turn clockwise to secure the control board to the control panel.
G. Connect the transformer and mode switch connectors to the control board.
H. Install the control panel (refer to Section 6.3).
6.3
CONTROL PANEL INSTALLATION
A. Partially slide control panel in control housing.
B. Reconnect 16 pin connector to control PCB.
C. Reconnect the transformer power cord connector.
D. Turn key switch
ON
.
E. Adjust
o
Brix as required (refer to Section 1.10).
F. Slide control panel into control housing and tighten both captive screws finger tight.
6.4
TRANSFORMER REPLACEMENT
A. Remove control panel (refer to Section 6.1). Ensure that the unit is unplugged.
B. Disconnect the two (2) 0.250 inch FAST-ONS from the transformer primary (black and white
wires).
C. Disconnect the 2-pin transformer secondary connector (yellow wires) from the control PCB.
D. Remove the two (2) nuts holding the transformer to the bottom plate.
E. Remove the transformer by lifting it off the mounting studs.
F. Install the new transformer in the reverse order.
G. Install the control panel (refer to Section 6.3).
6.5
MODE SWITCH REPLACEMENT
A. Remove the control panel (refer to Section 6.1).
B. Remove the control PCB (refer to Section 6.2).
C. Remove the eight (8) screws securing the transformer and control PCB mounting plate to the
front panel.
D. Record the wire color and terminal position of the mode switch harness to ensure installation will
be correct.
8
Содержание CENTURION II 85-0056
Страница 28: ...11 ILLUSTRATIONS PARTS LISTINGS AND WIRING DIAGRAMS 11 1 CENTURION II FINAL ASSEMBLY 24 ...
Страница 30: ...26 11 2 CENTURION II PUMP REGULATOR ASSEMBLY ...
Страница 32: ...11 3 CENTURION II WATER CONCENTRATE COMPONENT ASSEMBLY 28 ...
Страница 34: ...30 11 4 CENTURION II REFRIGERATION ASSEMBLY ...
Страница 38: ...11 7 CENTURION II WIRING DIAGRAM 34 ...