Hoshizaki IM-21 Service Manual page 38

b. IM-100LE/WLE, IM-130LE/WLE, IM-130ME/WME, IM-160ME, IM-240ME/WME, IM-
240M2E/WM2E
Note: In some areas where excessively hard water (approx. 250 ppm or more) results in
production of cloudy ice, change the water supply time setting as follows.
Normal setting = 15 sec. with Water Plate closed
Controller Board
C10
C12
C02
C03
Water Pan
OPEN
A MODE
B' MODE
Mode
B' IM-21CLE, IM-25LE, IM-25CLE, IM-30CLE,
IM-45LE, IM-45CLE-25, IM-65LE
B' IM-25WLE, IM-30WLE, IM-45WLE, IM-65WLE
A IM-100LE, IM-130LE, IM-130ME, IM-160ME
A IM-100WLE, IM-130WLE, IM-130WME
IM-240ME, IM-240WME, IM-240M2E, IM-240WM2E
DEFROST PROCESS
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6
ON OFF
1 2 3 4
1 2 3 4
Approx. 15 sec.
Cut the jumper wire JE (marked by arrow) by
a nipper. Water supply time will be 60 sec.
when the Water Plate is closed.
The jumper wire JE for IM-240ME/WME
(except IM-240M2E/WM2E) has already
been cut at factory adjustment.
Model
Water Pan
CLOSED
ON
ON
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
34
FREEZE PROCESS
Approx. 15 sec.
Approx. 60 sec. [240ME/WME]
(90 sec. at start up)