2
AGR 070A through 100A
IOMM AGR-1
Table of Contents
Introduction ....................................... 3
General Description..................................... 3
Inspection .................................................... 3
Installation ......................................... 4
Handling ...................................................... 4
Location....................................................... 5
Service Access and Clearances .................... 5
Vibration Isolators ....................................... 7
Water Piping ................................................ 8
Flow Switch................................................. 9
Water Connections....................................... 9
Refrigerant Charge ...................................... 9
Glycol Solutions ........................................ 10
Evaporator Water Flow/Pressure Drop ...... 12
Physical Data ................................... 13
Electrical Data ................................. 15
Field Wiring............................................... 15
Dimensional Data ............................ 36
AGR Unit Start-Up.......................... 38
Start-Up ..................................................... 39
Shutdown................................................... 39
AGR Unit Operation ....................... 40
Sequence of Operation .............................. 40
Hot Gas Bypass (Optional)........................ 41
Filter Driers ............................................... 41
System Adjustment .................................... 42
Liquid Sightglass and Moisture Indicator.. 42
Refrigerant Charging ................................. 42
Thermostatic Expansion Valve .................. 42
Superheat and Subcooling ......................... 42
Crankcase Heaters...................................... 42
Water Cooler.............................................. 42
UNT Controller Operation ............. 43
General Description ................................... 43
Optional Sensors ........................................ 43
Controller Inputs /Outputs ......................... 45
Additional UNT Controller Features ......... 49
Alarms........................................................ 51
ZONE TERMINAL (optional)................... 52
Zone Terminal Glossary............................. 55
UNT Controller Troubleshooting Chart..... 57
MicroTech Controller Installation
and Operation.................................. 58
General Description ................................... 58
Optional Sensor Packages.......................... 58
Installation ................................................. 58
Sequence of Operation............................... 66
Start-Up and Shutdown.............................. 68
Keypad / Display ....................................... 69
Menu Descriptions..................................... 72
Trouble Analysis for the AGR MicroTech
Controller................................................... 83
Test Procedures.......................................... 86
Unit Maintenance ............................ 93
Preventative Maintenance Schedule .......... 94
Unit Service...................................... 95
Liquid Line Solenoid Valve ....................... 95
Evaporator ................................................. 96
Refrigerant Charging.................................. 96
AGR Troubleshooting Chart ...................... 98
Notes ................................................. 99
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2001 McQuay International
"Illustrations and data cover McQuay International products at the time of publication and we reserve the right to
make changes in design and construction at anytime without notice."
Содержание AGR 070AS
Страница 20: ...20 AGR 070A through 100A IOMM AGR 1 Figure 9 Typical Field Wiring with Global UNT Controller...
Страница 21: ...IOMM AGR 1 AGR 070A through 100A 21 Figure 10 Typical Field Wiring Diagram with MicroTech Controller...
Страница 22: ...22 AGR 070A through 100A IOMM AGR 1 Figure 11 Standard Single Point Connection with FanTrol...
Страница 23: ...IOMM AGR 1 AGR 070A through 100A 23 Figure 12 Standard Single Point Connection with Optional SpeedTrol...
Страница 24: ...24 AGR 070A through 100A IOMM AGR 1 Figure 13 Unit Control Schematic 2 compressor UNT...
Страница 25: ...IOMM AGR 1 AGR 070A through 100A 25 Figure 14 Staging Schematic 2 compressor 4 stage UNT...
Страница 26: ...26 AGR 070A through 100A IOMM AGR 1 Figure 15 Staging Schematic 2 compressor 6 stage UNT...
Страница 27: ...IOMM AGR 1 AGR 070A through 100A 27 Figure 16 MicroTech Controller Schematic...
Страница 28: ...28 AGR 070A through 100A IOMM AGR 1 Figure 17 Unit Control Schematic MicroTech...
Страница 29: ...IOMM AGR 1 AGR 070A through 100A 29 Figure 18 Staging Schematic 4 stage MicroTech...
Страница 30: ...30 AGR 070A through 100A IOMM AGR 1 Figure 19 Staging Schematic 6 stage MicroTech...
Страница 31: ...IOMM AGR 1 AGR 070A through 100A 31 Figure 20 Unit Control Schematic 2 compressor MicroTech...
Страница 32: ...32 AGR 070A through 100A IOMM AGR 1 Figure 21 UNT Instrument Layout See legend on page 34...
Страница 33: ...IOMM AGR 1 AGR 070A through 100A 33 Figure 22 MicroTech Instrument Layout See legend on page 34...
Страница 35: ...IOMM AGR 1 AGR 070A through 100A 35 Figure 25 MicroTech Sensor Layout...
Страница 99: ...IOMM AGR 1 AGR 070A through 100A 99 Notes...
Страница 100: ...Post Office Box 2510 Staunton Virginia 24402 USA 800 432 1342 www mcquay com...
