Introduction
To the owner or user: This service manual is
intended to provide you, and the maintenance or
service technician, with the information needed to
install, start up, clean, maintain and repair this
product.
The SCE275 is an ice machine that produces
cubed ice on a vertical freezing surface. The cubes
fall into the ice storage bin where they break up
into individual cubes.
The SCE275 automatically maintains the level of
ice by turning on when the ice level falls, and
switches off when the bin is full.
This unit is serviceable in place; the ice storage bin
and hood may be removed from the chassis to
allow service access without removing the ice
machine from its installed position. The
refrigeration system uses R-404A as the
refrigerant.
Parts lists and wiring diagrams are located in
the center of this manual.
SCE275
January 2003
Page 1
This manual was printed on recycled paper.
Table of Contents
Specifications ···········································2
For The Installer: Environmental Limitations ···························3
Installation ·············································4
Installation ·············································5
For The Plumber··········································6
Installation ·············································7
Removal of the Cabinet ······································8
Component Location ·······································9
Component Description ······································10
AutoIQ Controller ·········································11
Initial Start Up ···········································12
Notes On Operation ········································13
Adjustments ············································14
How To Operate The AutoIQ Controller ······························15
How The Electronic Cuber Works ·································16
Water System ···········································17
Technicians Only: Freeze Cycle Operational Sequence ·····················18
Technicians Only: Harvest Cycle Operational Sequence ·····················19
Sanitizing and Water System Cleaning ······························20
Sanitizing and Cleaning ······································21
Additional Maintenance ······································22
Additional Maintenance ······································23
Additional Maintenance: Bin Controls ·······························24
Technical Characteristics ·····································25
Service Diagnosis ·········································26
Service Diagnosis ·········································27
Service Diagnosis ·········································28
PTCR ···············································29
Removal and Replacement: AutoIQ Controller ··························30
Removal and Replacement: Water Pump, Water Level Sensor··················31
Removal and Replacement: Inlet Valve & Water Trough ·····················32
Removal and Replacement: Bin Control Set ···························33
Removal and Replacement: Thermistors ·····························34
Water Distributors ·········································35
Refrigeration System Service: R-404A ······························36
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