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Cornelius
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XAC 1444
Cornelius XAC 1444 User Manual
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Service / T
raining Manual
Revision Date: October 17, 2005
Release Date: November 26, 2001
Publication Number: TP00952
Revision: F
www
.cornelius.com
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By:
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Refrigeration
Service,
Inc.
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X
A
C
,X
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2
Table of Contents
Default Chapter
3
Table of Contents
3
Product Preview
6
Preview Questions
6
Key Things to Know / Do
6
Model and Serial Location
7
Xtreme Ice Machine
7
Serial Number Explanation
7
Specifications
7
General
10
Freight Damage Claims Procedure
10
Technical Specifications
10
Cube Size: 5/8"W X 7/8"H X 7/8"D
10
Ambient Temperature: 50_F/10_C - 100_F/38_C
10
Water Temperature: 50_F/10_C - 90_F/32_C
10
Water Pressure: 20-80 Psi
10
Maximum Fuse Size: See Nameplate
10
Circuit Amp.: See Nameplate
10
Refrigerant Type: R-404A
10
Installation Instructions
11
Location of Equipment
11
Equipment Set-Up
11
Dispenser Installation
12
Plumbing Connections
13
Electrical
13
Installation Check Points
13
Start up and Check out
13
Start up Sequence
13
Preventative Maintenance Sequence
14
Cleaning Procedures
15
Cleaning Procedure if There Is Ice on the Evaporator Plate
15
Prep - Cleaning Procedure
16
Cleaning the Water System and Evaporator
16
Sanitizing the Water System and the Evaporator
17
Operations
18
Unit Selection
18
Normal Operations
18
Start up Sequence (Primary)
19
Secondary Start up
19
Dump Cycle
19
Water Fill Cycle
19
Prechill Cycle (300'S, 500'S, 600'S, 800'S, 1000'S, and 1200'S)
19
Prechill Cycle (1400'S and 1800'S)
20
Freeze Cycle
20
Harvest Cycle
20
Fan Control
20
Adjusting Bridge Thickness
21
Total Ice Capacity
21
Ice Production Check
21
LED Indicators
23
Harvest Mode
24
Harvest Button
25
Manual Harvest
25
Unit Check
25
Clean Cycle
25
Safety (Old Software)
26
Safety Features
26
Flashing Code for Self Diagnostics
26
Flashing Code for Self Diagnostics (1400'S and 1800'S)
26
Water Fill Time out
27
Possible Causes
27
Maximum Freeze Time out
27
Harvest Time out
28
Possible Causes
28
Bin Full Delay
28
Low Condenser Temperature Delay
28
High Condenser Temperature
28
Possible Causes
29
Open Condenser Thermistor
29
Failed Water Temperature
29
Open Water Thermistor
29
Safety (New Software)
30
Safety Features
30
Flashing Code for Self Diagnostics
30
Flashing Code for Self Diagnostics (1400'S and 1800'S)
30
Failed Freeze Time out Shutdown
31
Possible Causes
31
Failed Harvest Shutdown
31
Bin Full Delay
31
Low Condenser Temperature Warning
31
High Condenser Temperature Warning and Shutdown
32
Possible Causes
32
Open Condenser Thermistor Shutdown
32
Water Inlet Warning
32
Failed Water System Shutdown
32
Failed Water Temperature Shutdown
33
Possible Causes
33
Open Water Temperature Thermistor
33
Component Function (Circuit Board, Etc.)
34
Sensors
34
Reset Operation
34
Evaporator Switches
34
Voltage Checks
34
Evaporator Proximity Switch Pins and Condenser Thermistor Pins
34
Stacking Cable
34
Sensor [Thermistor] Diagnosis
34
Condenser Fan Cycling Control
35
Thermostatic Expansion Valves
35
Starving TXV - Product Symptoms
35
Flooding TXV - Product Symptoms
35
Water Regulating Valve
36
Service Stem Valves
36
Moisture Contamination
37
Compressor Contactor
37
Compressor & Starting Component Check-Out Procedure
38
Relay
38
Potential
38
Current
38
Capacitors
38
Compressor
39
Leak Detection
39
System Evacuation & Recharging
40
Self-Contained Products
40
Refrigerant Definitions (Ashrae 3-1990)
41
High Pressure Safety Switch
41
Compressor Run-On
41
Troubleshooting
42
Xtreme Ice - Kits
48
Bin Stat Kit, P/N 630000408
48
Installation Instructions
48
Remote Condensers
52
Installation Instructions
52
Remote Condenser Location
54
Head Pressure Control [Headmaster]
56
Remote System Evacuation/Re-Charge
57
4
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Cornelius XAC 1444 Specifications
General
Condenser
Air-cooled
Ice Type
Cube
Voltage
208-230V
Type
Modular
Production Capacity
1444 lbs/day
Refrigerant
R404A
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