Johnson Controls York CTF Series Installation Manual
Johnson Controls York CTF Series Installation Manual

Johnson Controls York CTF Series Installation Manual

Full cased and uncased coils for cooling and heat pumps
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Installation Manual: CTF, CTM, and CTU
Series - Full Cased and Uncased Coils for
Cooling and Heat Pumps
CTF - full-cased upflow or downflow, CTM - full-cased
multi-position, and CTU - uncased upflow or downflow
York International Corporation, 5005 York
6356510-UIM-C-0824
Drive, Norman, OK 73069
Supersedes: 6356510-UIM-B-0524
C
2024-08-01
Johnson Controls Ducted Systems

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  • Page 1 Series - Full Cased and Uncased Coils for Cooling and Heat Pumps CTF - full-cased upflow or downflow, CTM - full-cased multi-position, and CTU - uncased upflow or downflow York International Corporation, 5005 York 6356510-UIM-C-0824 Drive, Norman, OK 73069 Supersedes: 6356510-UIM-B-0524 2024-08-01 Johnson Controls Ducted Systems...
  • Page 2 Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 3: Table Of Contents

    Connecting the refrigerant lines......................45 Brazing the refrigerant lines........................45 Using braze-free refrigerant line connections..................47 Connecting the condensate drain..................... 48 Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 4 Displaying and clearing stored fault codes..................73 Maintaining the unit............................74 Template for drain and refrigerant lines on coil access door..............75 Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 5: About This Manual

    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

    Note indicates something of special interest or importance. Notes can contain any any type of information except safety information. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 7: Safety Requirements

    This unit uses a mildly flammable (A2L) refrigerant. See A2L refrigerant safety considerations to ensure safe installation and operation of this unit. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 8 If applying this coil with an oil furnace, a 6 in. long section of duct is required between leaving-air opening of the furnace and the entering-air end of the coil. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 9: A2L Refrigerant Safety Considerations

    Instruct all maintenance staff and others working in the local area on the nature of work being carried out. Avoid work in confined spaces. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 10: Room Size Requirements

    Table 2: Minimum room area System charge (lb-oz) Minimum room area Minimum total Minimum system airflow (CFM) conditioned area (ft 4-12 5-12 Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 11 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 Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 12: Mechanical Ventilation

    If installing the unit in a residence below the determined total conditioned area from Table 2, then extra mechanical ventilation is required. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 13: Refrigerant Equipment Checks

    Ensure no live electrical components and wiring are exposed while charging, recovering, or purging the system. • Ensure there is continuity of earth bonding. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 14: Detection Of Refrigerant

    Remove refrigerant according to the Removal and evacuations section of the outdoor unit's Installation Manual. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 15: Decommissioning

    For appliances containing flammable refrigerants, ensure that there are labels on the equipment stating that the equipment contains a flammable refrigerant. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 16: Wiring Installation

    Note: The 10-pin mitigation harness is included in the loose parts kit. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 17 TEST jumper from NC to Test. Ensure to return the TEST jumper to NC when testing is complete. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 18 When the system is in standby mode, repeat the test for a W call for heating. When testing is complete, reinstall the front cover on the control box. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 19: Installation Overview

    4. You may not need to perform tasks indicated with a dashed outline, depending on the specific installation. Figure 4: Installation overview Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 20: Preparing For Installation

    Table 7: CTF, CTM, and CTU coil airflow limits CFM limits Coil size Outdoor unit (ton) Minimum Maximum 1 1/2 1 1/2 2 1/2 1125 Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 21: Providing The Required Clearances

    Figure 6: Component location - CTF upflow or downflow full-cased coil Note: The 10-pin mitigation harness is included in the loose parts kit. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 22 Figure 8: Component location with access panel removed - CTF and CTM coils Figure 9: Component location - CTU uncased upflow or downflow coil Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 23: Checking The Unit Dimensions

    17 1/2 16 1/2 16 1/2 CTF36B5CDN1 25 5/8 17 1/2 16 1/2 16 1/2 CTF36C5ADS1 CTF36C5CDS1 CTF36C5CDN1 Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 24 Refer to the Technical Guide for the outdoor unit for the correct refrigeration piping size. Figure 11: Dimensions - CTM full-cased horizontal left or right coil Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 25 • Refer to the Technical Guide for the outdoor unit for the correct refrigeration piping size. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 26 Refer to the Technical Guide for the outdoor unit for the correct refrigeration piping size. • Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 27: Installing The Unit

    Important: Refer to the Technical Guide or Tabular Data Sheet for the outdoor unit to determine the correct TXV kit to use on this product. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 28 The Schrader valve core must not be installed into the suction line TXV equalizer line fitting. Poor system performance or system failure could result. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 29 Cover the bulb completely to insulate it. Figure 14: TXV bulb and equalizer line installation Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 30: Verifying Txv Installation

    □ Is the TXV temperature bulb positioned correctly? □ Is the TXV temperature bulb insulated? □ Is the TXV equalizer line connected? Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 31: Using A Coil Equipped With An Eev: Ctm Coils

    Figure 19 for the wiring diagram. Figure 16: Modulating gas furnace EEV connection Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 32 Figure 17: Variable speed gas furnace EEV connection Figure 18: Variable speed modular blower EEV connection Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 33 Figure 19: Wiring diagram - EEV Figure 20: CTM coil with an EEV installed Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 34: Installing The Coil: Ctf And Ctm Coils

    Figure 21: Duct flanges - CTF and CTM Figure 22: Field-installed duct flanges - coils CTM coils only Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 35 Figure 25: Vertical upflow applications Figure 26: Vertical downflow applications with modular air handlers with modular air handlers Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 36: Repositioning The Transition Angle

    1/4 in. toward the drain plug. Figure 27: CTM horizontal right application Figure 28: CTM horizontal left application with furnace with furnace Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 37: Installing A Horizontal Baffle Plate: Ctm60C*G And Ctm60C*H

    If installing the unit in a horizontal right airflow application, a horizontal baffle plate may be required to eliminate any water blow-off issues. This only applies to the CTM60C*G and CTM60C*H models. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 38 Secure the horizontal baffle plate in place with two screws, one in the front delta plate and one in the rear delta plate. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 39: Installing The Coil: Ctu Coils

    (TXV), and Connecting the refrigerant lines for more detailed instructions on these tasks. These uncased coil installation instructions apply to Johnson Controls Ducted Systems furnace models with a supply air plenum of the size shown in Table 12 based on the cabinet width of the furnace.
  • Page 40 CTU60D5XG 23 1/2 19 1/2 31 1/2 21 1/2 CTU60D5XH 23 1/2 19 1/2 35 1/2 21 1/2 Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 41 Figure Fabricate a coil shelf using a flat piece of metal. See Figure Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 42 14. If a TXV is installed on the coil, attach the TXV sensing bulb to the vapor line. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 43: Critical Coil Projection: Ctu Coils

    Locate the coil assembly in the duct so that a minimum distance is maintained between the top of the coil and the top of the duct. See the CTU coil projection dimensions table. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 44: Performing Necessary Connections

    National Fire Protection Association for Installation of Air Conditioning and Ventilating Systems, NFPA No. 90B. CAUTION Equipment should never be operated without filters. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 45: Connecting The Refrigerant Lines

    Remove the grommets where tubes exit the cabinet to prevent burning them during brazing. In some units, the vapor line grommet may be shipped as a loose part with the unit. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 46 14. Connect the A2L refrigerant sensor wire to the RDS control board mounted on the coil access panel. 15. Ensure that lines are sound isolated by using appropriate hangers or strapping. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 47: Using Braze-Free Refrigerant Line Connections

    11. Attach the coil access panel to the cabinet. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 48: Connecting The Condensate Drain

    If the coil is installed in a draw-through application (modular blower), the installer must trap the primary and secondary drain line. If the secondary drain line is not used, it must be plugged. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 49 Figure 42: Location of coil trapped and plugged drain connections with furnace - CTF and CTM Note: Verify that all drains are tapped or plugged. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 50: Connecting The Wiring

    If the coil is already equipped with a RDS, use the Control wiring diagrams for the connection of room thermostat, indoor air mover, and outdoor section. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 51: Control Wiring Diagrams

    Use the mitigation control A2L output instead of the G output for Y81E, Z8ES, RL18, Y82E, Z8ET, Y91E, Z9ES, RG19, Y92E, and Z9ET gas furnace models. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 52 Use the mitigation control A2L output instead of the G output for Y82V, Z8VT, Y92V, Z9VT, Y9VV, and Z9VV gas furnace models. The HUM input on the furnace control is for variable speed de-humidification operation. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 53 Use the mitigation control A2L output instead of the G output for Y81E, Z8ES, RL18, Y82E, Z8ET, Y91E, Z9ES, RG19, Y92E, and Z9ET gas furnace models. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 54 The mitigation control board has a bank of DIP switches. For use with a JME air handler indoor model, both DIP switches must be in the 0 or off position. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 55 Use the mitigation control A2L output instead of the G output for Y82V, Z8VT, Y92V, Z9VT, Y9VV, and Z9VV gas furnace models. The HUM input on the furnace control is for variable speed de-humidification operation. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 56 Use the mitigation control A2L output instead of the G output for Y81E, Z8ES, RL18, Y82E, Z8ET, Y91E, Z9ES, RG19, Y92E, and Z9ET gas furnace models. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 57 Use the mitigation control A2L output instead of the G output for Y82V, Z8VT, Y92V, Z9VT, Y9VV, and Z9VV gas furnace models. The HUM input on the furnace control is for variable speed de-humidification operation. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 58 DIP switches must be in the 1 or on position. The HUM input on the air handler control is for variable speed de-humidification operation. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 59 The mitigation control board has a bank of DIP switches. For use with a JME air handler indoor model, both DIP switches must be in the 0 or off position. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 60 Use the mitigation control A2L output instead of the G output for Y82V, Z8VT, Y92V, Z9VT, Y9VV, and Z9VV gas furnace models. The HUM input on the furnace control is for variable speed de-humidification operation. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 61 Use the mitigation control A2L output instead of the G output for Y81E, Z8ES, RL18, Y82E, Z8ET, Y91E, Z9ES, RG19, Y92E, and Z9ET gas furnace models. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 62 For single-stage applications, Y1 and Y/Y2 for JME air handler models must be bonded together as shown in Figure Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 63 Use the mitigation control A2L output instead of the G output for Y82V, Z8VT, Y92V, Z9VT, Y9VV, and Z9VV gas furnace models. The HUM input on the furnace control is for variable speed de-humidification operation. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 64 Use the mitigation control A2L output instead of the G output for Y81E, Z8ES, RL18, Y82E, Z8ET, Y91E, Z9ES, RG19, Y92E, and Z9ET gas furnace models. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 65 For single-stage applications, Y1 and Y/Y2 for JME air handler models must be bonded together as shown in Figure Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 66 Use the mitigation control A2L output instead of the G output for Y82V, Z8VT, Y92V, Z9VT, Y9VV, and Z9VV gas furnace models. The HUM input on the furnace control is for variable speed de-humidification operation. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 67: Adjusting The Airflow

    After capturing airflow data and selecting the correct blower speed, seal the holes appropriately to prevent air leakage. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 68 Figure 69: Pressure measurement access points Figure 70: Door mouse holes Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 69 For optimal performance, total system external static pressures of 0.2 in. W.C. to 0.6 in. W.C. are recommended. Applications above 0.6 in. W.C. are not recommended. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 70 For optimal performance, total system external static pressures of 0.2 in. W.C. to 0.6 in. W.C. are recommended. Applications above 0.6 in. W.C. are not recommended. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 71 0.09 0.16 0.24 0.33 0.45 — — — CTU48C5XF 0.02 0.05 0.09 0.13 0.19 0.27 0.34 0.43 — Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 72: Instructing The Homeowner

    Instruct the homeowner that the indoor coil drain pan must be inspected and cleaned regularly to prevent odors and ensure adequate drainage. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 73: Understanding Rds Status Codes And Fault Codes

    Press and hold the push button for more than 5 s to clear the stored fault codes if required. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 74: Maintaining The Unit

    Evap-Green by Nu-Calgon as an alternative to water. Evap-Green is the only pH neutral coil cleaner approved for use when correctly diluted. Note: Rinse coils thoroughly after using Evap-Green for cleaning. Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 75: Template For Drain And Refrigerant Lines On Coil Access Door

    Figure 72: Template for drain and refrigerant lines on coil access door Third-Party Trademarks Notice: For information about third-party trademarks, refer to the relevant company websites.   Installation Manual: CTF, CTM, and CTU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps Johnson Controls Ducted Systems...
  • Page 76 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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