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Summary of Contents for Johnson Controls YC2E
- Page 1 R-410A Outdoor Split-System Air Conditioning York International Corporation, 5005 York 6158110-UIM-A-0122 Drive, Norman, OK 73069 Supersedes: nothing 2022-01-10 Johnson Controls Ducted Systems...
- Page 2 R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems...
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Page 3: Table Of Contents
Optional cold weather charging........16 Electrical connections............16 General information and grounding......16 Field connections power wiring........17 Field connections control wiring........17 Field wiring..............18 Instructing the user............... 19 Maintenance..............19 Wiring diagrams..............20 Start-up sheet.................21 R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... - Page 4 R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems...
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Page 5: General
• The maximum and minimum conditions for operation must be observed to ensure a system that gives maximum performance with minimum service. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 6: Unit Installation
55°F. The kit part number can be found in the list of accessory kits at www.simplygettingthejobdone.com. Provide adequate structural support for the unit. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... - Page 7 Figure 1: Typical installation clearances Figure 2: Alternative installation clearances R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems...
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Page 8: Liquid Line Filter-Drier
Wrap a wet rag around the liquid line base valve and filter drier. Braze the liquid line connections. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 9: Piping Connections
If soft copper must be of vapor line velocity, elevation limitations, TXV used, care must be taken to avoid sharp bends, connections, system charging or traps. which may cause a restriction. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 10: Precautions During Brazing Of Lines
Braze the vapor line to the counterclockwise until the valve stem just touches the indoor coil vapor connection. After the connection chamfered retaining wall. has cooled, slide the grommet back into original position. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 11: Coil Metering Devices
1/4 turn counterclockwise to open. Do not overturn or the valve stem may break or become damaged. See Precautions during brazing of service valve. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 12: Installing A Thermostatic Expansion Valve (Txv)
TXV. Adjust the distributor assembly so the liquid line aligns with the hole in the access panel. See Figure 8. Hand tighten the liquid line and apply an additional 1/4 turn to seal. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 13: Evacuation
0.5 in. W.C. total external static pressure. To determine indoor airflow, complete the following steps: Measure the static pressure with a manometer between the filter and blower. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 14: Charging The System
Complete the following steps to determine the total system charge: Determine the base charge shipped in the outdoor unit by referring to the Tabular Data Sheet included with the outdoor unit. (item 1) R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 15: Subcooling Charging - Txv Indoor
R-410A saturation properties Table 2: R-410A saturation properties Temperature Pressure Temperature Pressure Temperature Pressure Temperature Pressure Temperature Pressure °F psig °F psig °F psig °F psig °F psig 326. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 16: Optional Cold Weather Charging
Use the outdoor unit charging chart. Verify that away feature of the control box. See Figure 11. the outdoor ambient temperature listed on the charging chart is the temperature inside the charging tent. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 17: Field Connections Power Wiring
Figure 11, Figure 12, and Figure 13. electrical codes (NEC) or local city codes. Install the correct size time-delay fuses or circuit breaker, and make the power supply connections. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 18: Field Wiring
Do not place it on an outside wall or where it is exposed to the radiant effect from exposed glass or appliances, drafts from outside doors or supply air grilles. Field wiring Figure 14: Typical field wiring (air handler/electrical heat) (single-phase) R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 19: Instructing The User
The outdoor fan motor is permanently lubricated disposal of this unit. and does not require periodic oiling. • If the coil needs to be cleaned, use clean water to wash dust, dirt, and debris from outdoor coil. R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 20: Wiring Diagrams
Wiring diagrams Figure 16: Wiring diagram - single-phase 14.3 SEER2 R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... -
Page 21: Start-Up Sheet
Start-up sheet Figure 17: Start-up sheet - page 1 R-410A Outdoor Split-System Air Conditioning Johnson Controls Ducted Systems... - Page 22 Figure 18: Start-up sheet - page 2 Subject to change without notice. Published in U.S.A. Copyright © 2022 by Johnson Controls. All rights reserved. Johnson Controls Ducted Systems...
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