Table of Contents
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Manual Usage & Revisions .................................... 5
General Safety Guidelines ...................................... 5
Product Identification Number ................................ 6
Refrigerant Flow Diagram ....................................... 8
SECTION
1
INSTALLATION
Installation .............................................................. 9
Installation Checklist ....................................... 9
Handling ........................................................... 9
Inspection ......................................................... 9
Location & Clearances .................................... 9
Foundation ..................................................... 10
Ground Level Locations ................................. 10
Rooftop Locations .......................................... 10
Noise Sensitive Locations ............................. 10
Spring Isolators .............................................. 10
Compressor Mounting ................................... 10
Electrical Wiring .................................................... 10
Refrigerant Piping ................................................. 12
Power Supply Wiring ............................................. 18
Control Wiring ........................................................ 21
Electrical Data ....................................................... 24
Operational Limitations ........................................ 30
Physical Data (English) ........................................ 32
Physical Data (Metric) ........................................... 34
Dimensions ........................................................... 36
YCUL0045SC (English) ................................. 36
YCUL0045SC (Metric) .................................... 38
YCUL0061SC (English) ................................. 40
YCUL0061SC (Metric) .................................... 42
YCUL0081SC (English) ................................. 44
YCUL0081SC (Metric) .................................... 46
YCUL0095SC (English) ................................. 48
YCUL0095SC (Metric) .................................... 50
YCUL0121SC (English) ................................. 52
YCUL0121SC (Metric) .................................... 54
YCUL0125SC (English) ................................. 56
YCUL0125SC (Metric) .................................... 58
YCUL0145SC (English) ................................. 60
YCUL0145SC (Metric) .................................... 62
YCUL0161SC (English) ................................. 64
YCUL0161SC (Metric) .................................... 66
YCUL0171SC (English) ................................. 68
YCUL0171SC (Metric) .................................... 70
YCUL0185SC (English) ................................. 72
YCUL0185SC (Metric) .................................... 74
YCUL0211SC (English) ................................. 76
YCUL0211SC (Metric) .................................... 78
2
TABLE OF CONTENTS
SECTION
SECTION
APPENDIX
YCUL0235SC (English) ................................. 80
YCUL0235SC (Metric) .................................... 82
YCUL0255SC (English) ................................. 84
YCUL0255SC (Metric) .................................... 86
YCUL0275SC (English) ................................. 88
YCUL0275SC (Metric) .................................... 90
2
INITIAL START-UP
Pre-Startup Checklist ............................................ 92
Unit Operating Sequence ..................................... 95
3
Introduction ............................................................ 96
Status Key ............................................................ 98
Display / Print Keys ............................................. 103
Entry Keys .......................................................... 110
Setpoints Keys ..................................................... 111
.......................................................... 117
Unit Operation ..................................................... 121
4
CONTROL SERVICE AND
TROUBLESHOOTING
Clearing History Buffers ...................................... 129
Software Version .................................................. 129
Service Mode ....................................................... 129
Control Inputs/Outputs ........................................ 130
Checking Inputs/Outputs .................................... 133
Analog Inputs - Temperature ............................. 133
Analog Inputs - Pressure ................................... 136
Digital Outputs ..................................................... 137
.......................................................... 137
Optional Printer Installation ................................ 138
.......................................................... 138
Troubleshooting .................................................. 139
Maintenance ........................................................ 142
ISN Control .......................................................... 143
5
YCUL0045 - YCUL0095 ..................................... 146
YCUL0121 .......................................................... 150
YCUL0125 - YCUL0185 ..................................... 154
YCUL0211 - YCUL0275 ..................................... 158
1
ISOLATORS
YORK INTERNATIONAL
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