Computer board – American Dryer Corp. AD-100 User Manual
Page 24
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
d.
Remove inlet manifold plug.
e.
Disconnect inlet and outlet unions to defective unit.
f.
Remove attaching hardware to plenum.
g.
Remove heat exchanger.
h.
Disassemble inlet and outlet nipples and uniforms from heat
exchanger and reinstall on new heat exchanger.
i.
Replace by reversing procedure. Make sure steam coils tilt down to the
rear of the dryer.
Use 6% silver solder to repair minor leaks at fittings or U tube joints. Leaks
in walls of tubes should not be repaired, especially on heat exchangers to be
operated at high pressure. Repairs should be made only by qualified technicians.
COMPUTER BOARD:
(Page 9-2, figure 4) This unit is used to control all operating
functions of the dryer. The computer is capable of diagnosing problems. (See
trouble chart)
1. To replace computer board
a.
Remove green ground wire from rear of computer board.
b.
Unplug wiring harness.
c.
Remove flat ribbon connector from keyboard by gently pulling
ribbon from socket mounted on computer board.
d.
Remove four mounting nuts.
e.
Install new board in reverse procedure.
TO REPUCF TF№FRATIIRF SFIKOR:
(Page 9-7, figure 6)
a.
Turn off power.
b.
Gently lift temperature sensor from white nylon socket.
c.
Insert new sensor into socket housing, being certin pin location
of sensor matches socket.
8-12