York International ZQ Series Installation Manual
  1. Manuals
  2. Brands
  3. York International Manuals
  4. Air Conditioner
  5. ZQ Series
  6. Installation manual

York International ZQ Series Installation Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

INSTALLATION MANUAL ZQ SERIES
3 - 5 ton 60 Hertz R-410A
York International Corporation, 5005
5943355-UIM-A-1020
York Drive, Norman, OK 73069
2020-10-01
Johnson Controls Ducted Systems

Advertisement

Table of Contents
loading

Related Manuals for York International ZQ Series

Summary of Contents for York International ZQ Series

  • Page 1 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A York International Corporation, 5005 5943355-UIM-A-1020 York Drive, Norman, OK 73069 2020-10-01 Johnson Controls Ducted Systems...
  • Page 2 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 3: Table Of Contents

    Power interruptions..........73 Gas Connection..........40 Flame present with Gas off........73 Combustion Air and Flue Exhaust....41 Welded gas valve relay response......73 Options/Accessories..........42 Start-Up (Cooling)............74 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 4 Adjustment Of Temperature Rise........ 78 Burners/Orifices Inspection/Servicing......79 Start up for Units Equipped for FER......80 Direct Drive..............80 Troubleshooting..............81 Charging Tables............. 84 Control Board Navigation Components......86 Start-Up Sheet..............87 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 5: General

    This product must be installed in strict compliance with the installation instructions and any applicable local, state and national codes including, but not limited to building, electrical, and mechanical codes. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 6: Inspection

    Vertical Flow Dry Bulb Economizer Field writing. Installed Horizontal Flow Dry Bulb Economizer Field Installed Renewal Parts Contact your local Ducted Systems parts distribution center for authorized replacement parts. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 7: Approvals

    This product must be installed in strict compliance with the enclosed installation instructions and any applicable local, state, and national codes including, but not limited to, building, electrical, and mechanical codes. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 8: Nomenclature

    Nomenclature INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 9: Installation

    Change tap on transformer for 208-3-60 operation. See the unit wiring diagram. Remove the two screws that hold the brackets in the forklift slots on the side of the unit. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 10 Figure 5 for the sensor relocation. down) to the working position (right side up). Then slide the flex tube over the stub and tighten, see Figure 7. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 11: Limitations

    Edition east side of building. • Gas-Fired Central Furnace Standard, ANSI Suitable for mounting on roof curb. Z21.47a. - Latest Edition INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 12: Clearances

    Refer to Table 4 for clearances required for combustible construction, servicing, and proper unit operation.  WARNING Do not permit overhanging structures or shrubs to obstruct condenser air discharge outlet, combustion air inlet or vent outlets. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 13: Zq04-06 Unit Weights

    Hail Guard Kit Small Short Factory Installed Hail Guard Kit Small Tall Factory Installed Flue Extension Kit (1FE0414) Flue Extension Kit (1FE0415) Curb Rigid 14 in. Small Footprint Curb Rigid 24 in. Small Footprint INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 14 Figure 11: ZQ04-05 Unit Dimensions INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 15 Figure 12: ZQ06 Unit Dimensions INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 16: Ductwork

    They should NOT be sized 1TB0403 - Thru the base electrical and gas to match the dimensions of the duct connections on the unit. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 17: Duct Covers

    Install Note: Shown with duct connection cover panel condensate drain line from the 3/4 in. NPT female as shipped. connection on the unit to an open drain. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 18: Compressors

    Rating Plate and R-410A compressor lubricants are known to cause Table 1. long term damage to some synthetic roofing materials. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 19: Thermostat Wiring

    The above water-proofing conditions will also apply when installing a field supplied disconnect switch. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 20: Typical Field Power And Control Wiring

    Typical Field Power and Control Wiring Typical Power Wiring Figure 18: Everyday Thermostat Control (ETC) typical power wiring INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 21 Figure 19: Typical Smart Equipment™ Control Wiring INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 22: Electrical Data

    11625 38.5 57.6 58.9 None 12.6 13.1 10646 14.6 460-3-60 11146 11.5 13.8 22.3 22.9 11446 16.8 26.6 None 575-3-60 11058 14.9 15.4 11458 13.8 13.3 20.4 20.9 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 23 Non-fused Disconnect, Verify on the unit nameplate that the disconnect is properly sized for the application. Units with field installed electric heat kits may exceed the factory installed disconnect amperage rating. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 24: Zq04 To 06 Standard Static Indoor Blower - With Powered Convenience Outlet

    None 14.8 15.3 10646 16.7 17.3 460-3-60 11146 11.5 13.8 24.9 25.6 11446 16.8 28.7 29.3 None 11.4 11.8 575-3-60 11058 17.1 17.6 11458 13.8 13.3 22.6 23.1 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 25 Non-fused Disconnect, Verify on the unit nameplate that the disconnect is properly sized for the application. Units with field installed electric heat kits may exceed the factory installed disconnect amperage rating. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 26: Zq04 To 06 Medium Static Indoor Blower - Without Powered Convenience Outlet

    111 55.9 None 11.2 11.7 10646 12.3 12.9 460-3-60 11146 11.5 13.8 20.5 21.1 11446 16.8 24.3 24.9 None 575-3-60 11058 13.6 14.1 11458 13.8 13.3 19.1 19.6 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 27 Non-fused Disconnect, Verify on the unit nameplate that the disconnect is properly sized for the application. Units with field installed electric heat kits may exceed the factory installed disconnect amperage rating. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 28: Zq04 To 06 Medium Static Indoor Blower - With Powered Convenience Outlet

    None 13.4 13.9 10646 14.9 15.6 460-3-60 11146 11.5 13.8 23.2 23.8 11446 16.8 26.9 27.6 None 10.3 10.7 575-3-60 11058 15.8 16.3 11458 13.8 13.3 21.3 21.8 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 29 Non-fused Disconnect, Verify on the unit nameplate that the disconnect is properly sized for the application. Units with field installed electric heat kits may exceed the factory installed disconnect amperage rating. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 30: Zq04 To 06 High Static Indoor Blower - Without Powered Convenience Outlet

    Non-fused Disconnect, Verify on the unit nameplate that the disconnect is properly sized for the application. Units with field installed electric heat kits may exceed the factory installed disconnect amperage rating. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 31 Non-fused Disconnect, Verify on the unit nameplate that the disconnect is properly sized for the application. Units with field installed electric heat kits may exceed the factory installed disconnect amperage rating. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 32: Zq04 To 06 High Static Indoor Blower - With Powered Convenience Outlet

    Non-fused Disconnect, Verify on the unit nameplate that the disconnect is properly sized for the application. Units with field installed electric heat kits may exceed the factory installed disconnect amperage rating. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 33 Non-fused Disconnect, Verify on the unit nameplate that the disconnect is properly sized for the application. Units with field installed electric heat kits may exceed the factory installed disconnect amperage rating. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 34: Physical Data

    Unit Capacity Steps (%) Face area (Sq. Ft.) 16.3 16.3 Rows CONDENSER COIL DATA Fins per inch Tube diameter (in./MM) .63/16 .63/16 Circuitry Type 2-pass Microchannel 2-pass Microchannel INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 35 2 - (16 x 25 x 2) 2 - (16 x 25 x 2) FILTERS Quantity - Size 2 in. Throwaway, Standard, MERV 4 (Minimum Efficiency Reporting Value) INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 36 Unit Capacity Steps (%) Face area (Sq. Ft.) 16.3 16.3 Rows CONDENSER COIL DATA Fins per inch Tube diameter (in./MM) .63/16 .63/16 Circuitry Type 2-pass Microchannel 2-pass Microchannel INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 37 2 - (16 x 25 x 2) 2 - (16 x 25 x 2) FILTERS Quantity - Size 2 in. Throwaway, Standard, MERV 4 (Minimum Efficiency Reporting Value) INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 38 Unit Capacity Steps (%) Face area (Sq. Ft.) 21.1 21.1 Rows CONDENSER COIL DATA Fins per inch Tube diameter (in./MM) .71/18 .71/18 Circuitry Type 2-pass Microchannel 2-pass Microchannel INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 39 4 - (16 x 16 x 2) 4 - (16 x 16 x 2) FILTERS Quantity - Size 2 in. Throwaway, Standard, MERV 4 (Minimum Efficiency Reporting Value) INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 40: Optional Gas Heat

    1 in. 1 1/4 in. 1050 flexible gas appliance connector, always use a new listed connector. Do not use a connector which has previously serviced another gas appliance. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 41: Combustion Air And Flue Exhaust

    See Figure 21 for location of hood within the unit and Figure 22 for installation of the hood. If necessary, a flue exhaust extension may be installed at the point of installation. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 42: Options/Accessories

    Economizer accessories include complete instructions for installation. There are two Economizer options. Each is specific to footprint and unit voltage: Vertical Flow application with barometric relief standard. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 43: Blower Rotation

    Note: Check all three phase motors and compressors for proper rotation after making a change. If it is necessary to change 3 phase motor rotation, swap A or L1 and C or L3 only. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 44: Belt Tension

    0.817 0.787 0.758 0.730 0.702 0.676 0.964 0.929 0.897 0.864 0.833 0.802 0.772 0.744 0.716 0.689 0.663 0.946 0.912 0.880 0.848 0.817 0.787 0.758 0.730 0.703 0.676 0.651 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 45 Sea level static pressure = 0.6 / .832 = 0.72 in. Enter the blower table at 1,400 sCFM and static pressure of 0.72 in. The rpm listed will be the same rpm needed at 5,000 ft. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 46: Airflow Performance

    1700 0.18 0.10 0.03 0.03 0.05 0.05 1800 0.22 0.11 0.03 0.03 0.05 0.06 1900 0.25 0.12 0.04 0.04 0.06 0.07 2000 0.28 0.13 0.04 0.04 0.07 0.08 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 47: Zq04-06 Side Duct Application (Belt Drive)

    Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications. Note: See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP. kW = 0.929 x BHP INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 48: Zq04-06 Side Duct Application (Direct Drive)

    1039 1415 1092 1289 1155 1182 4 (MED/HI) 1718 1040 1645 1102 1534 1147 1377 1165 1183 5 (HI) 1955 1146 1780 1156 1587 1168 1407 1175 1186 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 49: Zq04-06 Bottom Duct Application (Belt Drive)

    Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications. Note: See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP. kW = 0.929 x BHP INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 50: Zq04-06 Bottom Duct Application (Direct Drive)

    1898 1809 1735 1641 1035 1549 1088 4 (MED/HI) 2072 1991 1917 1029 1836 1079 1702 1122 5 (HI) 2228 2151 1031 2072 1077 1945 1109 1731 1131 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 51: Rpm Selection

    1.15 56HZ 1.9 - 2.9 1VL34 AK46 06 (5) Med. 1725 0.80 1.15 1.9 - 2.9 1VL34 AK46 H. Static 1725 0.81 1.15 2.8 - 3.8 1VL44 AK46 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 52: Supply Air Drive Adjustment

    Verify proper sheave alignment; tighten blower pulley the new motor sheave, and motor sheave set screws after these adjustments. Re-checking set screws and belt tension after 10-12 hrs. run time is recommended. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 53 The pressure drop through the economizer is greater for 100% outdoor air than for 100% return air. If the resistance of the return air duct is less than 0.25 IWG, the unit will deliver less CFM during full economizer operation. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 54: Everyday Thermostat Control (Etc)

    Thermostat Connection Alarm Indication (24VAC Rectified) Thermostat Connection 24VAC Connection Thermostat Connection No Connection Thermostat Connection 24VAC Common ConnectionLimit For Internal Use Only No Connection (For Future Use) INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 55 VFD will run at 67% speed. When Y2 is energized, FAN2 output 2 will energize and the VFD will run at 100% (but only if C1 is “on”). INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 56 ETC, 24VAC will be applied to FAN1 output, and 6VDC will be applied to VFD output to produce 50% fan speed. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 57: Smart Equipment™ Unit Control Board

    SD-24 and R 24 VAC common for thermostat power INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 58 Input required for operation of 2-compressor units, not active for 1-compressor units; 3.625 EC2+ input from 10KΩ @ 77°F, Type III negative temperature VDC reading EC2+ to EC2– with open circuit. Used in suction line temperature safety. coefficient thermistor INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 59 Not effective for one stage compressor UCBs. If demand is present and permissions 24 VAC hot output for compressor 2 allow compressor 2 operation; output with compressor cooling, comfort ventilation cooling or heat pump heating demands INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 60 FDD board parameters ENTER Button for display menu acknowledgment and navigation Button for display menu navigation and zeroing of active compressor CANCEL ASCD timer 4-way Joystick for display menu navigation INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 61 Be sure the cable you use fits the modular jack housing. The preassembled cables that are available from Anixter (Part No. CBL-NETWORKxxx) use 24 gauge wire. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 62: Operation

    26°F and the anti- Otherwise, the unit operates until the minimum short cycle delay (ASCD) must have elapsed. run has been completed. Upon the compressor INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 63 UCB will de-energize the compressor, initiate the actuator position exceeds the exhaust fan set point ASCD, and stop the condenser fan. on the economizer control. When the power exhaust INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 64 An Anti- operated throughout the cycle. The 5-minute off Short Cycle Delay (ASCD) is utilized to prevent period is necessary to defrost the indoor coil. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 65: Electric Heating Sequence Of Operations

    UCB will energize the blower correct. Too high of a setting will result in longer motor. heat cycles and a greater temperature swing in the conditioned space. Reducing the value below the INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 66: Gas Heating Sequence Of Operations

    2 of the S3 connector on the (UCB) unit control board to P2-4 on the ignition control board. Cut the wire 1/2 in. from the S3 mate-n-lock INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 67 22. No Alarms in Memory 2 pulses 2 pulses 23. Normal Idle Slow Heartbeat 24. Factory Test Mode Rapid Flash Rapid Flash INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 68 C; at least 0.25 volts higher than –) SA BUS communication circuit to the UCB. Through the unit wiring harness, may continue on to the 4-stage board and/or fault detection & diagnostics board INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 69 Connects through circuit trace to 24V~ IN pin COM station sensor 24V~ 24 VAC hot supplied for the building pressure sensor Connects through circuit trace to 24V~ IN pin HOT INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 70: Indoor Air Quality Aq

    If 24 V is not received on the MV terminal within 6 minutes, an alarm appears and the fan output energizes immediately and remains On until the alarm clears. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 71 LIMIT input 3 times in 1 hour, an alarm appears and the FAN output is energized. The heating H1 and H2 outputs are de-energized until the alarm is cleared. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 72: Gas Heat Ignition Control Board Function

    If low pressure switch opens, the control de- trial. The control de-energizes the spark when flame energizes the gas valve and begins pressure switch is sensed and enters a flame stabilization period. proving mode. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 73: Post Purge

    If the limit switch recloses in this hard lockout condition, the inducer will run a post purge and then shutoff. The control shall remain INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 74: Start-Up (Cooling)

    First stage compressors will energize after the built-in time delay (five minutes). Post Start Check List Verify proper system pressures. Measure the temperature drop across the evaporator coil. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 75: Start-Up (Gas Heat)

    After the entire control circuit has been energized and the heating section is operating, make the following checks: Check for gas leaks in the unit piping as well as the supply piping. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 76: Checking Gas Heat Input

    Measure the time needed for one revolution of the hand on the lowest increment dial on the meter. A typical gas meter has a 1/2 or a 1 cubic foot test dial. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 77: Manifold Gas Pressure Adjustment

    Turn off all power to the unit. stage heat. Using the outlet pressure port on the gas valve, connect a manometer to monitor the manifold pressure. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 78: Adjustment Of Temperature Rise

    Physical data. After the temperature rise has been determined, the CFM can be calculated as follows: INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 79: Burners/Orifices Inspection/Servicing

    National Standard of Canada, Natural Gas supports. Burners are now accessible for and Propane Installation Code, CSA B149.1. inspection and/or replacement. Figure 30: 3 Thru 5 Ton, 1/2” Single Stage Gas Valve INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 80: Start Up For Units Equipped For Fer

    Note: During installation, the tap chosen for the heating speed must produce a temperature rise that lies within the rise range stated on the rating plate and the physical data tables. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 81: Troubleshooting

    60 minute excessive voltage, RF interference, etc. should be investigated. "watchdog" timer. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 82 Verify wiring for main and auxiliary limit switches is intact. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 83 1 second at the first stage and/or second stage gas valve output (P1-7 pin and/or P1-4 pin) when the gas valve is commanded on by the ignition control INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 84: Charging Tables

    300 Cfm/Ton 75/62 12.2 13.7 10.9 400 Cfm/Ton 80/62 12.4 14.0 11.0 400 Cfm/Ton 80/67 12.5 14.0 11.0 400 Cfm/Ton 80/72 12.5 14.0 10.8 400 Cfm/Ton 75/62 12.3 13.9 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 85 300 Cfm/Ton 75/62 15.8 17.7 14.3 400 Cfm/Ton 80/62 16.2 18.1 14.4 400 Cfm/Ton 80/67 16.2 18.1 14.4 400 Cfm/Ton 80/72 16.3 18.1 14.2 400 Cfm/Ton 75/62 16.1 17.9 INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 86: Control Board Navigation Components

    Smart Equipment™ Quick Start Guide. Note: For more in-depth sequence of operation of the Smart Equipment™ control, refer to the Smart Equipment™ Controls Sequence of Operation Overview LIT-12011950. INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...

  • Page 87: Start-Up Sheet

    Start-Up Sheet INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 88 > INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 89 > INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 90 > INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 91 > INSTALLATION MANUAL ZQ SERIES 3 - 5 ton 60 Hertz R-410A Johnson Controls Ducted Systems...
  • Page 92 Subject to change without notice. Printed in U.S.A. Copyright © 2020 by Johnson Controls. All rights reserved. Supersedes: 5756028-UIM- C-0920 Johnson Controls Ducted Systems...

This manual is also suitable for:

ZqeZqg

Table of Contents