Hoshizaki KM-901MAH Ice Maker User Manual


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IMPORTANT
This manual should be read carefully before the icemaker is serviced or
maintenance operations are performed. Only qualied service technicians
should install, service, and maintain the icemaker. Read the warnings
contained in this booklet carefully as they give important information regarding
safety. Please retain this booklet for any further reference that may be
necessary.
CONTENTS
Important Safety Information ................................................................................................. 6
I. Specications ..................................................................................................................... 7
A. Icemaker ....................................................................................................................... 7
a. KM-90MAH (air-cooled) Auxiliary Code T-0, U-0 ................................................ 7
b. KM-90MAH (air-cooled) Auxiliary Code U- and Later ....................................... 8
a. KM-90MWH (water-cooled) Auxiliary Code T-0, U-0 .......................................... 9
b. KM-90MWH (water-cooled) Auxiliary Code U- and Later ............................... 0
3a. KM-90MRH (remote air-cooled) Auxiliary Code T-0, U-0 .................................. 
3b. KM-90MRH (remote air-cooled) Auxiliary Code U- and Later ......................... 
4a. KM-90MRH3 (remote air-cooled) Auxiliary Code T-0, U-0 ................................ 3
4b. KM-90MRH (remote air-cooled) Auxiliary Code U- and Later ......................... 4
B. Condenser Unit ........................................................................................................... 5
. URC-9F ................................................................................................................. 5
II. General Information ......................................................................................................... 7
A. Construction ................................................................................................................ 7
. KM-90MAH (air-cooled) ...................................................................................... 7
. KM-90MWH (water-cooled) ................................................................................. 8
3. KM-90MRH/3 (remote air-cooled) ....................................................................... 9
B. Sequence of Operation ............................................................................................... 0
. Sequence Cycles and Shutdown .......................................................................... 0
a) "E" Control Board: Auxiliary Code T-0, U-0 .................................................... 0
b) "G" Control Board: Auxiliary Code U- and Later ............................................ 
. Sequence Flow Chart ............................................................................................ 4
a) "E" Control Board: Auxiliary Code T-0, U-0 ..................................................... 4
b) "G" Control Board: Auxiliary Code U- and Later ............................................ 5
C. Control Board ............................................................................................................. 6
. Control Board Layout ............................................................................................ 7
. Features ................................................................................................................ 9
a) Maximum Water Supply Period - 6 minutes .................................................... 9
b) Harvest Backup Timer and Freeze Timer ........................................................ 9
c) High Temperature Safety ................................................................................. 9
d) Low Water Safety ............................................................................................ 9
e) High Voltage and Low Voltage Cut-outs .......................................................... 9
f) LED Lights and Audible Alarm Safeties ............................................................ 30
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