Operation / Technical Manual
NORM-O-TEMP, Model 111Z
Page 60 of 81
6-14.
Replacement of the Power Supply Board
A.
Obtain a replacement power supply board.
B.
Disconnect power cord and remove top of the unit as described in Section 6-1.1.
C.
Unplug the pump wires, the heater wires and the AC power wires from the
power supply board. Note wire positions for reinstallation. Also unplug the 9-
pin connector.
D.
Remove the six screws and discard the old power supply board.
E.
Install the new power supply board in its place using the same screws removed
in step D.
F.
Reinstall all of the wires removed in step C.
G.
Secure the top of the unit as described in Section 6-1.2.
H.
Perform Electrical Safety Checks described in Section 6-16. Perform both
Ground Integrity (Section 6-16.1) and Leakage Current (Section 6-16.2).
CAUTION
•
Working with electronic boards, plugs, and cables requires delicate handling. Proper
Electrostatic Discharge (ESD) practices should be followed during replacement of any
electronic board.
Содержание NORM-O-TEP 111Z
Страница 14: ...Operation Technical Manual NORM O TEMP Model 111Z Page 14 of 81 Figure 1 NORM O TEMP unit Front View ...
Страница 16: ...Operation Technical Manual NORM O TEMP Model 111Z Page 16 of 81 Figure 2 NORM O TEMP unit Left Side View ...
Страница 18: ...Operation Technical Manual NORM O TEMP Model 111Z Page 18 of 81 Figure 3 NORM O TEMP unit Rear View ...
Страница 20: ...Operation Technical Manual NORM O TEMP Model 111Z Page 20 of 81 Figure 4 NORM O TEMP unit Right Side View ...
Страница 22: ...Operation Technical Manual NORM O TEMP Model 111Z Page 22 of 81 Figure 5 NORM O TEMP unit Model 111Z Top View ...