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Related Manuals for Johnson Controls YH5 Series
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- Page 1 Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series York International Corporation, 5005 6396605-UIM-B-0724 York Drive, Norman, OK 73069 Supersedes: 6396605-UIM-A-0224 2024-07-22 Johnson Controls Ducted Systems...
- Page 2 Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 3: Table Of Contents
Completing the field control wiring connections................35 Control wiring diagrams........................... 37 Using the optional S1-2HU16700124 dehumidification control............. 40 Charging the system............................41 Measuring indoor airflow........................42 Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 4 Cooling operation..........................65 Heating operation..........................65 Emergency heat........................... 65 Pressure switch fault detection and lockout..................66 Third-party trademarks notice........................66 Wiring diagrams............................. 67 Start-up sheet..............................69 Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 5: About The Unit
Certification DS Solutions App Johnson Controls believes in empowering our customers with unit-specific information at all times. Download the Ducted Systems Solutions Mobile App (DS Solutions App), which is available through the App Store for iOS and Google Play for Android. Users can use the DS Solutions App to scan the QR code located on the rating plate that is unique to each unit and provides information specific to the product. -
Page 6: Safety
Important indicates information that is essential to complete a task or may result in damage to the device if not followed. Note indicates something of special interest or importance. Notes can contain any type of information except safety information. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 7: Safety Requirements
R-454B systems operate at higher pressures than R-22 systems. Do not use R-22 service equipment or components on R-454B equipment. Service equipment must be rated for R-454B. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 8: A2L Refrigerant Safety Considerations
If conducting any hot work on the refrigerating equipment or any associated parts, you must have appropriate fire-extinguishing equipment on hand. Have a dry powder or fire extinguisher adjacent to the charging area. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 9: Room Size Requirements
Table 3: Minimum room area System charge (lb-oz) Minimum room area Minimum total Minimum system airflow (CFM) conditioned area (ft 4-12 5-12 6-12 7-12 Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 10 11-8 11-12 12-0 12-4 12-8 12-12 13-0 13-4 13-8 13-12 14-0 14-4 14-8 14-12 15-0 15-4 15-8 15-12 16-0 16-4 16-8 16-12 17-0 Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 11: Mechanical Ventilation
Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 12: Electrical Devices Checks
Remove refrigerant according to the Removal and evacuations section of the outdoor unit's Installation Manual. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 13: Wiring Installation
Note: The 10-pin mitigation harness is included in the loose parts kit. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 14 NC (Normally Closed) to Test. Make sure to return the test jumper to NC once testing is complete. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 15 When the system is in standby mode, repeat the above test for a W call for heating. When testing is complete, re-install the front cover on the contol box. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 16: Installation Overview
Figure 4. You may not need to perform tasks indicated with a dashed outline, depending on the specific installation. Figure 4: Installation overview Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 17: Preparing For Installation
Coastal regions where the equipment is prone to atmospheric corrosion • Near hot springs where the equipment is prone to sulfide gas corrosion • In proximity to high-frequency or wireless equipment Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 18 The outdoor unit can be accessed safely when mounted, for example, for servicing. • The location of the outdoor unit allows you provide adequate support for the base pan. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 19: Inspecting The Unit
Examples of leak detection methods include the bubble method and fluorescent agents. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 20 Install refrigerant pipes and components in locations where they are unlikely to be exposed to corrosive substances, unless the components are made from corrosion-resistant materials or adequately protected against corrosion. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 21: Installing The Outdoor Unit
Install the unit in as level a position as possible while maintaining the clearances shown in Figure 5 Figure Fasten the outdoor unit tightly to prevent noise. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 22 Figure 5: Typical installation clearances Figure 6: Alternative installation clearances Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 23: Mounting The Outdoor Unit On A Wall
Replace the refrigeration piping when replacing an R-22, R-410A, or other refrigerant unit with an R454B unit to reduce cross-contamination of oils and refrigerants. See Table Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 24 After a total of 10 h runtime where the suction-line pressure drop has not exceeded 3 psig, replace the liquid-line drier, and remove the suction-line drier. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 25: Installing The Refrigerant Piping
Use clean hard drawn copper tubing where no appreciable amount of bending around obstruction is necessary. If soft copper must be used, take care to avoid sharp bends which may cause a restriction. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 26 Calibration of liquid line pressure loss or gain Determination of vapor line velocity Elevation limitations TXV connections System charging Traps Crankcase heater Figure 8: Underground installation Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 27: Installing The Liquid Line Filter-Drier
You can avoid serious service problems by taking adequate precautions to ensure an internally clean and dry system. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 28 WARNING Never attempt to repair any brazed connections while the system is under pressure. Personal injury could result. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 29: Installing The Thermostatic Expansion Valve (Txv)
Install the TXV to the distributor assembly with the supplied fittings. Ensure that the PTFE washer is seated in the distributor. Hand tighten and turn an additional quarter turn to seal. Do not over-tighten fittings. See Figure Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 30 Install the TXV equalizer line onto the vapor line by hand tightening the 1/4 in. SAE coupling nut to the equalizer fitting, and applying an additional third turn to seal. See Figure Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 31 Insulate the bulb using thermal insulation provided to protect it from the effect of the surrounding ambient temperature. Cover completely to insulate. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 32: Checking For Refrigerant Leaks
500 microns. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 33: Releasing Refrigerant Into The System
Replace the service valve cap finger tight, then tighten an additional 1/12 turn (1/2 hex flat). Replace the cap to prevent leaks. See for checking and recording system charge. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 34: Connecting The Wiring
Wire size must be sized per NEC requirements. • The complete connection diagram and schematic wiring label is located on the inside surface of the unit service access panel. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 35: Completing The Field Power Wiring Connections
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. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 36 Figure 14: Outdoor unit control box (208/230 V single-phase 18, 24, 36, 48, and 60 models only) Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 37: Control Wiring Diagrams
See JHE air handler Installation Instructions for full details. For single-stage applications, JHE outdoor unit harness connections Y1 IN and Y2 IN must be bonded together as shown. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 38 *W2 input only available on two-stage gas heat models. NOTICE Fossil fuel operation must be controlled by room thermostat. NOTICE Gas furnace heat pump jumper must be set to YES. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 39 Figure 17: Standard ECM air handler and standard multi-stage heat pump - conventional wiring Figure 18: Standard ECM modular air handler and standard multi-stage heat pump - conventional wiring Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 40: Using The Optional S1-2Hu16700124 Dehumidification Control
If a dehumidification control is installed, it is recommended that a minimum air flow of 325 CFM/ton be supplied at all times. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 41: Charging The System
Ensure that the refrigerating system is properly grounded before charging it with refrigerant. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 42: Measuring Indoor Airflow
Calculate the additional charge for the refrigerant piping using the Tabular Data Sheet if the line length is greater than 15 ft (4.6 m) (item 3). Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 43: Charging With Gauges
For all other cooling charging charts and the heating charging charts, see Table Table 44. You can also access these charts in the Service Application Data section at www.simplygettingthejobdone.com. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 44: Subcooling Charging Charts
Note: An asterisk (*) on indoor match names is used in place of the cabinet width, refrigerant type, and metering device characters. Refer to the indoor unit manuals for the details on indoor unit nomenclature. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 45 475 (17) 475 (17) 480 (17) 487 (18) 505 (17) 505 (17) 510 (17) 517 (18) 535 (17) 534 (17) 540 (17) 547 (18) Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 46 457 (5) 456 (5) 462 (5) 468 (4) 484 (4) 483 (5) 489 (5) 495 (5) 512 (4) 510 (5) 516 (5) 522 (5) Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 47 477 (12) 476 (12) 483 (12) 490 (12) 507 (12) 505 (13) 512 (12) 519 (12) 536 (13) 534 (13) 541 (13) 549 (13) Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 48 474 (10) 473 (10) 479 (10) 486 (10) 504 (10) 502 (10) 508 (10) 516 (10) 533 (11) 531 (11) 537 (11) 545 (11) Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 49 460 (9) 459 (9) 466 (9) 473 (10) 488 (9) 486 (9) 493 (9) 500 (10) 515 (9) 513 (9) 521 (9) 528 (10) Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 50 468 (7) 467 (7) 474 (7) 481 (8) 496 (7) 495 (7) 502 (7) 509 (8) 524 (7) 522 (7) 530 (7) 537 (8) Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 51: Heating Charging Charts
(21) (23) (21) (25) (26) (22) (25) (28) (24) (27) (30) (30) (33) (37) (31) (35) (38) (37) (40) (43) — Suction pressure Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 52 Liquid pressure (subcool) (14) (15) (16) (17) (18) (21) (20) (21) (23) (23) (25) (27) (24) (28) (29) (26) (29) (31) (32) (35) (37) Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 53 (32) (32) (35) (35) (35) (50) (52) (53) (34) (36) (37) (34) (36) (39) (17) (17) (17) (37) (38) (39) — Suction pressure Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 54 Liquid pressure (subcool) (29) (30) (31) (33) (34) (35) (34) (35) (36) (34) (36) (38) (30) (32) (35) (30) (31) (33) (32) (33) (35) Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
- Page 55 (32) (33) (34) (35) (37) (35) (36) (38) (35) (37) (39) (32) (34) (36) (32) (33) (35) (32) (32) (33) — Suction pressure Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 56: Starting Up The System
With the fan switch in the AUTO position, a circuit is made from the thermostat cooling contact through the blower relay to provide blower operation. The system cycles with thermostat demand to provide cooling as needed. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 57: Instructing The Owner
The compressor body must not be heated by an open flame or other ignition sources to accelerate this process. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 58: Required Procedures For A2L Systems
Table 45: A2L required procedures Procedure Safely remove refrigerant, following local and Required national codes. Purge circuit with inert gas (oxygen-free Required nitrogen). Evacuate the refrigerant. Required Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 59: Decommissioning
Label the equipment stating that it has been decommissioned and emptied of refrigerant. Date and sign the label. For appliances containing flammable refrigerants, ensure that there are labels on the equipment stating that the equipment contains a flammable refrigerant. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 60: Test Input
6 h PS timer and flashes > 5 the STATUS LED six times (0.1 s ON / 0.1 s OFF) to indicate that the error memory is clear. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 61 Figure 19: Heat pump flow diagram Figure 20: Demand defrost control module Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 62: System Components And Operation
1/3 s on, 1/3 s off flashes, waits 2 s, then energizes the output for three more 1/3 s on, 1/3 s off flashes and repeats. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 63: Demand Defrost
This happens only if the coil sensor temperature conditions allow defrost to occur. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 64: Defrost Curves
When power is applied to the control and after the completion or termination of each defrost cycle, the control starts a 40 min timer. When this timer expires, the Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 65: Defrost Termination
Emergency heat When the thermostat calls for emergency heat operation (W signal without a Y signal), the control energizes the W out terminal immediately. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 66: Pressure Switch Fault Detection And Lockout
When the soft lockout condition is reset, the control stops displaying the fault code and responds to thermostat inputs normally. Third-party trademarks notice Third-Party Trademarks Notice: For information about third-party trademarks, refer to the relevant company websites. Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... -
Page 67: Wiring Diagrams
Wiring diagrams Figure 22: Wiring diagram - single-phase - 208/230V PSC fan motor Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 68 Figure 23: Wiring diagram - single-phase - 208/230V ECM fan motor Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems...
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Page 69: Start-Up Sheet
Start-up sheet Installation Manual: R-454B Outdoor Split-System Single-Phase Heat Pump - YH5 and XH5 Series Johnson Controls Ducted Systems... - Page 70 Subject to change without notice. Published in U.S.A. Copyright © 2024 by Johnson Controls. All rights reserved. Johnson Controls Ducted Systems...
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