f)
Reconnect lead wires to cycle light terminals.
g)
Replace bottom cover.
h)
Turn hot plate upright and reconnect to power
supply.
To Replace Control Unit
a)
Disconnect hot plate from power supply.
b)
Turn hot plate upside down and remove bottom
cover.
c)
Remove knob on adjusting shaft and loosen set
screw on stop collar.
d)
Remove adjusting shaft and stop collar from
control unit.
e)
Disconnect two white insulated wires from con-
trol unit. (Note placement and connection of
wires.)
f)
Remove two screws from control unit and
remove control unit.
g)
Install new control unit and secure with two
screws.
h)
Reconnect two white insulated wires to control
unit.
i)
Reinsert adjusting shaft and stop collar.
(Recalibration is necessary—refer to recalibra-
tion instructions.)
j)
Replace bottom cover.
k)
Turn hot plate upright and reconnect to power
supply.
13
M
AINTENANCE AND
S
ERVICING
Summary of Contents for HPA2230M
Page 17: ...17 Exploded View ...
Page 18: ...18 Wiring Diagram ...
