YORK INTERNATIONAL
2
TABLE OF CONTENTS
Manual Usage and Revisions ...................................... 5
Product Identification Number ................................... 6
Refrigerant Flow Diagram .......................................... 8
SECTION
1
INSTALLATION
General ........................................................................ 9
Installation Check List ................................................ 9
Handling ...................................................................... 9
Inspection .................................................................... 9
Location & Clearances ................................................ 9
Foundation ................................................................ 10
Ground Level Locations ........................................... 10
Rooftop Locations ..................................................... 10
Noise Sensitive Locations ......................................... 10
Spring Isolators (Optional) ....................................... 10
Compressor Mounting .............................................. 10
Electrical Wiring ....................................................... 10
Zone Thermostats ...................................................... 11
PWM Input ................................................................ 12
Refrigerant Piping ..................................................... 12
Refrigerant Line Sizing ............................................. 12
Oil Traps ................................................................... 13
Refrigerant Charge .................................................... 13
Filter Driers ............................................................... 13
Refrigerant Piping Reference .................................... 13
Refrigerant Piping Notes .......................................... 18
Power Connection Options ....................................... 19
Multi-Point Power Supply Wiring .......................... 19
Single-Point Power Supply Wiring ........................ 20
Optional Single-Point Power Wiring - Non-Fused
Disconnect Switch or Circuit Breaker .................... 21
Control Wiring .......................................................... 22
Electrical Notes ......................................................... 24
Electrical Data ........................................................... 25
Micropanel Power Supply ...................................... 25
Single-Pont Power (Standard or Optional
Disconnect or Breakers) ......................................... 26
Standard Dual Point Power .................................... 28
Optional Single Point Power
(Models YCUL0046 – YCUL0066) ...................... 30
Optional Single Point Power
(Models YCUL0076 – YCUL0090) ...................... 32
Operational Limitations ............................................ 34
Physical Data (English) ............................................. 36
Physical Data (Metric) .............................................. 38
Dimensions (English) ................................................ 40
Model YCUL0016C ............................................... 40
Model YCUL0026C ............................................... 42
Model YCUL0030C ............................................... 44
Model YCUL0036C ............................................... 46
Model YCUL0040C ............................................... 48
Model YCUL0046C ............................................... 50
Model YCUL0056C ............................................... 52
Model YCUL0060C ............................................... 54
Model YCUL0066C ............................................... 56
Model YCUL0076C ............................................... 58
Model YCUL0080C ............................................... 60
Model YCUL0086C ............................................... 62
Model YCUL0090C ............................................... 64
Dimensions (Metric) ................................................. 66
Model YCUL0016C ............................................... 66
Model YCUL0026C ............................................... 68
Model YCUL0030C ............................................... 70
Model YCUL0036C ............................................... 72
Model YCUL0040C ............................................... 74
Model YCUL0046C ............................................... 76
Model YCUL0056C ............................................... 78
Model YCUL0060C ............................................... 80
Model YCUL0066C ............................................... 82
Model YCUL0076C ............................................... 84
Model YCUL0080C ............................................... 86
Model YCUL0086C ............................................... 88
Model YCUL0090C ............................................... 90
SECTION
2
INITIAL START-UP
Pre-Start Up Checklist .............................................. 92
Checking The System Prior To Initial Start ........... 92
Initial Start-Up ........................................................ 93
Checking Superheat and Subcooling ...................... 93
Leak Checking ........................................................ 94
Unit Operating Sequence .......................................... 95
SECTION
3
UNIT CONTROLS
Status Key ................................................................. 98
Display/Print Keys .................................................. 103
Entry Keys ............................................................... 110
Setpoint Keys .......................................................... 111
Unit Keys ................................................................ 117
Unit Operation ........................................................ 121
SECTION
4
CONTROL SERVICE AND
TROUBLESHOOTING
Clearing History Buffers ......................................... 130
Software Version ..................................................... 130
Service Mode .......................................................... 130
Service Mode - Digital Outputs ............................ 130
Service Mode - Inputs .......................................... 131
Control Inputs and Outputs ..................................... 134
Analog Inputs .......................................................... 134
Temperature .......................................................... 134
Pressure ................................................................. 137
Digital Outputs ........................................................ 138
Keypad .................................................................... 139
Optional Printer Installation ................................... 140
Parts ......................................................................... 140
Assembly & Wiring ................................................ 140
Obtaining A Printout ............................................... 140
Troubleshooting ...................................................... 141
Summary of Contents for MILLENNIUM YCUL0016SC
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