Johnson Controls J ZB Series Installation Manual

Johnson Controls J ZB Series Installation Manual

R-410a w/smart equipment
Table of Contents

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R-410A
J**ZB SERIES W/SMART EQUIPMENT™
6.5 - 12.5 Ton
60 Hertz
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preceding installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Rigging and handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Side panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Condensate drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Power and control wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Optional electric heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Optional gas heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Options and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Economizer sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Power exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Smart Equipment™ economizer board . . . . . . . . . . . . . . . . . . 44
Airflow performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
1 Component location table . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 J06-12ZB unit limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 J06-12ZB standard unit weights . . . . . . . . . . . . . . . . . . . . . . 11
4 J06-12ZB unit accessory weights . . . . . . . . . . . . . . . . . . . . . 11
5 J06-12ZB unit physical dimensions . . . . . . . . . . . . . . . . . . . . 13
6 J06-12ZB unit clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7 J06-10ZB side duct dimensions . . . . . . . . . . . . . . . . . . . . . . 16
8 J12ZB side duct dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 17
9 Left/end duct dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
10 Control wire sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
11 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
12 Physical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
13 Electric heat minimum supply air . . . . . . . . . . . . . . . . . . . . . . 36
14 Gas pipe sizing - capacity of pipe . . . . . . . . . . . . . . . . . . . . . 37
15 Gas heat minimum supply air . . . . . . . . . . . . . . . . . . . . . . . . 37
16 Supply air limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
17 Altitude/temperature correction factors . . . . . . . . . . . . . . . . . 49
18 Airflow performance - side duct application . . . . . . . . . . . . . . 51
20 RPM selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
21 Indoor blower specifications . . . . . . . . . . . . . . . . . . . . . . . . . 56
1 Unit shipping bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Barometric relief hood - shipping location . . . . . . . . . . . . . . . 5
3 Compressor section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4 Component location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
7 Center of gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
8 J06-10ZB physical dimensions . . . . . . . . . . . . . . . . . . . . . . . 12
9 J12ZB physical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 13
10 J06-12ZB unit bottom duct openings . . . . . . . . . . . . . . . . . . 15
11 J06-12ZB unit electrical entry . . . . . . . . . . . . . . . . . . . . . . . . 16
12 J06-12ZB unit left/end duct opening . . . . . . . . . . . . . . . . . . . 17
13 J06-12ZB roof curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
14 J06-12ZB transition roof curb . . . . . . . . . . . . . . . . . . . . . . . . 18
15 Side panels with hole plugs . . . . . . . . . . . . . . . . . . . . . . . . . 19
16 Return down flow plenum with panel . . . . . . . . . . . . . . . . . . 19

Table of contents

Air balance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Checking air quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Cooling operation 2 fan cooling operation . . . . . . . . . . . . . . . . . . 60
Cooling operation 4 fan cooling operation . . . . . . . . . . . . . . . . . . 60
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Electric heating sequence of operations . . . . . . . . . . . . . . . . . 62
Electric heat operation errors . . . . . . . . . . . . . . . . . . . . . . . . 62
Gas heating sequence of operations. . . . . . . . . . . . . . . . . . . . 63
Ignition control board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Gas heating operation errors . . . . . . . . . . . . . . . . . . . . . . . . 63
Cooling start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Gas heat start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Checking gas heat input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Smart Equipment™ unit control board . . . . . . . . . . . . . . . . . . . . . 68
Charging the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Start-up sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
List of tables
22 Power exhaust specifications . . . . . . . . . . . . . . . . . . . . . . . . 56
23 Motor sheave datum diameters . . . . . . . . . . . . . . . . . . . . . . 58
24 Electric Heat Limit Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
25 Electric heat anticipator setpoints . . . . . . . . . . . . . . . . . . . . . 63
26 Gas heat anticipator setpoints . . . . . . . . . . . . . . . . . . . . . . . 64
27 Gas rate cubic feet per hour . . . . . . . . . . . . . . . . . . . . . . . . . 66
28 Gas heat stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
29 Gas heat limit control settings . . . . . . . . . . . . . . . . . . . . . . . . 67
31 Ignition control flash codes . . . . . . . . . . . . . . . . . . . . . . . . . . 74
32 J06ZB charging table - system 1 . . . . . . . . . . . . . . . . . . . . . 75
33 J06ZB charging table - system 2 . . . . . . . . . . . . . . . . . . . . . 75
34 J07ZB charging table - system 2 . . . . . . . . . . . . . . . . . . . . . 76
35 J07ZB charging table - system 1 . . . . . . . . . . . . . . . . . . . . . 76
36 J08ZB charging table - system 1 . . . . . . . . . . . . . . . . . . . . . 77
37 J08ZB charging table - system 2 . . . . . . . . . . . . . . . . . . . . . 77
38 J10ZB charging table - system 1 . . . . . . . . . . . . . . . . . . . . . 78
39 J10ZB charging table - system 2 . . . . . . . . . . . . . . . . . . . . . 78
40 J12ZB charging table - system 1 . . . . . . . . . . . . . . . . . . . . . 79
41 J12ZB charging table - system 2 . . . . . . . . . . . . . . . . . . . . . 79
List of figures
17 Discharge panel in place . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
18 Side panels for economizer hood tops . . . . . . . . . . . . . . . . . 20
19 Condensate drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
20 Field wiring disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
21 Typical control wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
22 Side entry gas piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
23 Bottom entry gas piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
24 Simplified VFD wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
25 SE-ECO1001-0 economizer controller . . . . . . . . . . . . . . . . . 44
26 Belt adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
27 Altitude/temperature correction factors . . . . . . . . . . . . . . . . 49
28 Dry coil delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
29 Typical flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
30 Typical two stage gas valve . . . . . . . . . . . . . . . . . . . . . . . . . 67
31 Unit control board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
5808011-JIM-A-0320

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Summary of Contents for Johnson Controls J ZB Series

  • Page 1: Table Of Contents

    R-410A J**ZB SERIES W/SMART EQUIPMENT™ 6.5 - 12.5 Ton 60 Hertz Table of contents General ..........2 Air balance.
  • Page 2: General

    5808011-JIM-A-0320 General Johnson Controls J06-12ZB units are single package air conditioners with optional gas heating designed for outdoor Before you perform service or maintenance operations installation on a rooftop or slab and for non-residential use. The on the unit, turn off the main power switch to unit.
  • Page 3 Inspection Renewal parts As soon as you receive a unit, you must inspect it for possible Contact your local Johnson Controls parts distribution center for damage during transit. If damage is evident, note the extent of authorized replacement parts. the damage on the carrier’s freight bill. You must make a Approvals separate request for inspection by the carrier’s agent in writing.
  • Page 4 5808011-JIM-A-0320 Nomenclature 6.5 -12.5 Ton Johnson Controls Model Number Nomenclature J06 ZB C A 2 A 1 Nominal Cooling Capacity Product Generation J06 = 6.5 Ton 1 = First Generation J07 = 7.5 Ton J08 = 8.5 Ton Cabinet Options...
  • Page 5: Installation

    (if included) Note: If the unit is used during the construction phase, the Figure 2: Barometric relief hood - shipping location standard limited warranty provisions go into effect when the unit is placed into operation. Johnson Controls Ducted Systems...
  • Page 6: Limitations

    874-SERV for guidance. Additional accessories may be These units must be installed in accordance with the following: needed for stable operation at temperatures below 30°F. In the U.S.A.: National Electrical Code, ANSI/NFPA No. 70 - Latest Edition Johnson Controls Ducted Systems...
  • Page 7: Component Location Table

    20-gauge aluminized steel tubular heat exchanger for long life Second model nameplate inside hinged access panel (stainless steel option) 1. Roof curbs for transitioning from York Sunline™ footprint to the ZB Series footprints are also available (field-installed accessory). Johnson Controls Ducted Systems...
  • Page 8: Location

    7.3, or 7.4 of Gas Installation Codes, CSA-B149.1 (in Canada) - Latest Edition, and/or applicable provisions of the local building codes. Refer to Table 6 for the clearances required for combustible construction, servicing, and proper unit operation. Johnson Controls Ducted Systems...
  • Page 9: Rigging And Handling

    If a unit is installed on a roof curb other than a Johnson cable damage with plywood or another suitable material. Controls roof curb, you must apply gasketing to all surfaces that come in contact with the unit underside. Johnson Controls Ducted Systems...
  • Page 10: 4 Point And 6 Point Load Weight For J12Zb Units

    FRONT Figure 5: 4 point and 6 point load weight for J12ZB units FRONT FRONT LEFT LEFT Figure 6: 4 point and 6 point load weight for J06-10ZB units FRONT LEFT Figure 7: Center of gravity Johnson Controls Ducted Systems...
  • Page 11: J06-12Zb Standard Unit Weights

    Operating Economizer Power exhaust Electric heat Gas heat 1. The weight given is for the maximum heater size available (54KW). 2. The weight given is for the maximum number of tube heat exchangers available (8 tubes). Johnson Controls Ducted Systems...
  • Page 12: J06-10Zb Physical Dimensions

    5808011-JIM-A-0320 29.69 15.25 15.38 59.00 15.38 2X Ø 24.38 SEE DETAIL A FOR GAS INLET 11.38 SEE DETAIL B 59.00 4.19 FOR DRAIN LOCATION LEFT 27.31 21.19 89.00 FRONT Figure 8: J06-10ZB physical dimensions Johnson Controls Ducted Systems...
  • Page 13: J06-12Zb Unit Physical Dimensions

    Table 5: J06-12ZB unit physical dimensions Dimension (in.) Unit model number J06, 07, 08, 10ZB 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 J12ZB 50 3/4 119 1/2 30 3/16 24 3/16 17 3/16 6 3/16 Johnson Controls Ducted Systems...
  • Page 14: J06-12Zb Unit Clearances

    1. Units must be installed outdoors. Make sure that overhanging structures or shrubs do not obscure the condenser air discharge outlet. 2. Units may be installed on combustable floors made from wood or class A, B or C roof covering materials. Johnson Controls Ducted Systems...
  • Page 15: J06-12Zb Unit Bottom Duct Openings

    Bottom condensate drain 14 1/2 25 9/16 Bottom gas supply entry 16 3/8 18 1/16 FRONT Top view Bottom power, control and convenience outlet wiring entry 3X Ø 0.875 Ø 2.469 Figure 10: J06-12ZB unit bottom duct openings Johnson Controls Ducted Systems...
  • Page 16: J06-10Zb Side Duct Dimensions

    2 - 3 1 /3 2 5 - 5 /3 2 3 1 - 1 1 /1 6 Table 7: J06-10ZB side duct dimensions Dimension (in.) Unit model number J06, 07, 08, 10ZB 28 1/4 18 1/16 28 1/4 18 1/4 Johnson Controls Ducted Systems...
  • Page 17: J12Zb Side Duct Dimensions

    28 1/4 18 1/16 28 1/4 18 1/4 4-5/16 Figure 12: J06-12ZB unit left/end duct opening Table 9: Left/end duct dimensions Dimension (in.) Unit model number J06, 07, 08, 10ZB 30.358 22.580 22.330 J12ZB 30.358 22.580 22.330 Johnson Controls Ducted Systems...
  • Page 18: J06-12Zb Roof Curb

    2 TYP. 50-1/2 INSULATED DECK UNDER COMPRESSOR SECTION FRONT 8 or 14 Figure 13: J06-12ZB roof curb 2 TYP 23 4 30-1/2 50-1/2 80-5/8 RETURN SUPPLY 76-5/8 59-1/4 FRONT RIGHT 64-1/4 Figure 14: J06-12ZB transition roof curb Johnson Controls Ducted Systems...
  • Page 19: Ductwork

    NOT insert the screws through the casing. You must economizer or motorized damper may be installed. YOu must insulate and water-proof outdoor ductwork. keep these panels to use them as tops for the economizer rain hoods (see Figure 18). Johnson Controls Ducted Systems...
  • Page 20: Condensate Drain

    • Replacing refrigerant components such as the filter drier, pressure switch, metering device or coil Units are shipped with compressor mountings that are factory- adjusted and ready for operation. Figure 19: Condensate drain Do not loosen the compressor mounting bolts. Johnson Controls Ducted Systems...
  • Page 21: Filters

    208-3-60 operation. See the unit wiring the unit, you must use water-proof connectors so that diagram. water or moisture cannot be drawn into the unit during normal operation. These water-proofing conditions also apply when you install a field-supplied disconnect switch. Johnson Controls Ducted Systems...
  • Page 22: Field Wiring Disconnect

    See Table 11, Electrical data, on page 24 to size or the basepan inside the curb. power wiring, fuses, and the disconnect switch. TERMINAL BLOCK TB1 FACTORY OR FIELD GROUND SUPPLIED DISCONNECT THREE PHASE POWER SUPPLY Figure 20: Field wiring disconnect Johnson Controls Ducted Systems...
  • Page 23: Control Wire Sizes

    Jumper is required for any combination of R, RC, or RH. OCC is an output from the thermostat to indicate the Occupied X is an input to the thermostat to display Error Status conditions. Figure 21: Typical control wiring Johnson Controls Ducted Systems...
  • Page 24: Electrical Data

    81.8 120.9 127.8 (7.5) None 24.7 26.9 10.8 24.7 26.9 460-3-60 21.7 36.4 39.1 28.9 45.4 48.1 40.9 60.4 63.1 None 18.8 20.6 18.8 20.8 575-3-60 1.35 17.3 29.3 31.5 23.1 36.5 38.8 32.7 48.5 50.8 Johnson Controls Ducted Systems...
  • Page 25 129.9 150.9 157.8 (10) None 31.4 33.6 21.7 37.6 40.4 460-3-60 28.9 46.6 49.4 40.9 61.6 64.4 75.5 78.3 None 20.4 22.2 17.3 29.4 31.6 575-3-60 5.1 43.8 1.35 23.1 36.6 38.9 32.7 48.6 50.9 59.8 Johnson Controls Ducted Systems...
  • Page 26 28.9 48.3 40.9 63.3 77.1 79.9 None 26.5 28.3 17.3 30.6 32.9 575-3-60 0.66 23.1 37.9 40.1 32.7 49.9 52.1 63.3 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems...
  • Page 27 81.8 108.4 115.3 (7.5) None 19.7 21.9 10.8 19.7 21.9 460-3-60 21.7 30.1 32.9 28.9 39.1 41.9 40.9 54.1 56.9 None 14.8 16.6 14.8 16.6 575-3-60 1.35 17.3 24.3 26.5 23.1 31.5 33.8 32.7 43.5 45.8 Johnson Controls Ducted Systems...
  • Page 28 117.6 129.9 138.4 145.3 (10) None 26.4 28.6 21.7 31.4 34.1 460-3-60 28.9 40.4 43.1 40.9 55.4 58.1 69.3 None 16.4 18.2 17.3 24.4 26.6 575-3-60 5.1 43.8 1.35 23.1 31.6 33.9 32.7 43.6 45.9 54.8 Johnson Controls Ducted Systems...
  • Page 29 28.9 44.8 40.9 59.8 70.9 73.6 None 22.5 24.3 17.3 25.6 27.9 575-3-60 0.66 23.1 32.9 35.1 32.7 44.9 47.1 58.3 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems...
  • Page 30 66.1 57.7 84.1 81.8 114.3 121.1 (8.5) None 25.3 27.5 10.8 25.3 27.5 460-3-60 21.7 35.8 28.9 44.8 40.9 59.8 None 16.6 18.4 16.6 18.4 575-3-60 1.35 17.3 25.6 27.9 23.1 32.9 35.1 32.7 44.9 47.1 Johnson Controls Ducted Systems...
  • Page 31 47.1 40.9 59.4 62.1 73.3 None 24.5 26.3 17.3 28.1 30.4 575-3-60 0.66 23.1 35.4 37.6 32.7 47.4 49.6 58.5 60.8 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems...
  • Page 32 57.7 96.6 103.5 81.8 126.8 133.6 (8.5) None 30.3 32.5 10.8 30.3 32.5 460-3-60 21.7 39.3 28.9 48.3 40.9 63.3 None 20.6 22.4 20.6 22.4 575-3-60 1.35 17.3 30.6 32.9 23.1 37.9 40.1 32.7 49.9 52.1 Johnson Controls Ducted Systems...
  • Page 33 Electric heat multipliers Voltage kW capacity multipliers Nominal Applied 0.75 0.92 0.92 0.92 1. Electric heaters are rated at nominal voltage. Use this table to determine the electric heat capacity for heaters applied at lower voltages. Johnson Controls Ducted Systems...
  • Page 34: Physical Data

    2-pass Microchannel 2-pass Microchannel 2-pass Microchannel 2-pass Microchannel 2-pass Microchannel EVAPORATOR COIL DATA Face area (Sq. Ft.) 13.2 13.2 13.2 13.2 13.2 Rows Fins per inch Tube diameter 0.375 0.375 0.375 0.375 0.375 Circuitry Type Intertwined Intertwined Intertwined Intertwined Intertwined Refrigerant control Johnson Controls Ducted Systems...
  • Page 35 Stage 60% of Full Capacity. 4. J06ZB through J12ZB have crankcase heaters standard. 5. 2 In. Throwaway, Standard, MERV (Minimum Efficiency Reporting Value). 6. 2 In. Pleated, Optional, MERV 8. 7. 4 In. Pleated, Optional, MERV 13. Johnson Controls Ducted Systems...
  • Page 36: Optional Electric Heat

    See Table 14, Gas pipe sizing - capacity of pipe, on page 37. The heating value of the gas may vary by locality. You must check the value with the local gas utility. Figure 22: Side entry gas piping Johnson Controls Ducted Systems...
  • Page 37: Gas Pipe Sizing - Capacity Of Pipe

    • Use wrought iron or steel pipe for all gas lines. Apply pipe are purged of air. dope sparingly to male threads only. • The gas supply must be a separate line and installed in accordance with all safety codes as prescribed under Limitations. Johnson Controls Ducted Systems...
  • Page 38: Options And Accessories

    W.C. at the unit under full load. Maintaining proper gas pressure depends on three main factors: • The vaporization rate which depends on the temperature of the liquid and the wetted surface area of the containers. Johnson Controls Ducted Systems...
  • Page 39 The motorized outdoor damper can be a factory-installed option or a field-installed accessory. If factory installed, refer to the Refer to the enclosed drive material for instructions on instructions included with the outdoor air hood to complete the changing parameter settings. Johnson Controls Ducted Systems...
  • Page 40: Economizer Sequences

    When a drive is selected and installed, refer to the drive manufacturer's recommendations for proper fuse sizing. Johnson Controls Ducted Systems...
  • Page 41 = single enthalpy minimum position. The economizer then modulates to control • If either the operational space temperature or the outdoor the supply air temperature at 50°F. air dry bulb value is unreliable, free cooling is not available. Johnson Controls Ducted Systems...
  • Page 42 100% and the first compressor output energizes. the operating VAV SAT setpoint +1.8F, the staged percent command holds the current value. With a stage 3 cooling demand (Y3 input), a second compressor output energizes. Johnson Controls Ducted Systems...
  • Page 43: Power Exhaust

    De-energizes the exhaust fan when the economizer output is below the economizer damper position for exhaust fan off Johnson Controls Ducted Systems...
  • Page 44: Smart Equipment™ Economizer Board

    24 VAC hot supplied for the supply air humidity 24V~ Connects through circuit trace to 24V~ IN pin HOT sensor 0-10 VDC positive input from the Supply Air SAH parameter reports input status (0-100%H). Unused in Humidity sensor current control revision. Johnson Controls Ducted Systems...
  • Page 45 USB flash drive) Lit/flickering indicates UCB-to-economizer board SA bus Green UCB SA bus communication SA BUS SA BUS communication is currently active, off indicates the economizer transmission indicator board is awaiting SA bus communication Johnson Controls Ducted Systems...
  • Page 46 ECON 2-10 VDC output for the Economizer actuator demand ventilation, cooling economizer loading and purge functions 24 VAC common/0-10 VDC negative for Connects through circuit trace to 24V~ IN pin COM economizer actuator Johnson Controls Ducted Systems...
  • Page 47 - part no. 2AQ04700524 there is no call for free cooling, the actuator is proportionately • Optional CO sensor kit - part no. 2AQ04700624 modulated from the 0 to 10 VDC signal, with 0 VDC Johnson Controls Ducted Systems...
  • Page 48: Supply Air Limitations

    Tension new belts at the max. deflection force less power is required than a similar application at sea level. Air recommended for the belt section. density correction factors are shown in Table 17 and Figure 27. Re-tighten the belt nuts. Johnson Controls Ducted Systems...
  • Page 49: Altitude/Temperature Correction Factors

    This value must be corrected for elevation. Example 2: A system, located at 5,000 feet of elevation, is to deliver 1,400 CFM at a static pressure of 1.5 in. Use the unit BHP at 5,000 ft. = 0.7 x .832 = 0.58 Johnson Controls Ducted Systems...
  • Page 50 4 turns 3 turns 2 turns 1 turn Fully Model Max BHP (tons) sheave sheave open open open open open open closed 1.73 1VL40 AK61 1029 1089 2.30 1VP56 AK74 1035 1084 1134 1183 1232 1281 Johnson Controls Ducted Systems...
  • Page 51: Airflow Performance

    1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications. 2. See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP. 3. kW = BHP x 0.932. 4. Field Supplied Drive. Johnson Controls Ducted Systems...
  • Page 52 1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications. 2. See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP. 3. kW = BHP x 0.932. Johnson Controls Ducted Systems...
  • Page 53 1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications. 2. See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP. 3. kW = BHP x 0.932. Johnson Controls Ducted Systems...
  • Page 54: Airflow Performance - Bottom Duct Application

    1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications. 2. See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP. 3. kW = BHP x 0.932. 4. Field Supplied Drive. Johnson Controls Ducted Systems...
  • Page 55: Rpm Selection

    AK74 1035 1084 1134 Std. 2.30 1VM50 AK84 (10) H. Static 3.45 1VM50 AK74 1035 1084 1134 Std. 3.45 1VM50 AK74 1035 1084 1134 (12.5) H. Static 5.75 1VP56 BK77 1052 1095 1136 1175 1216 1272 Johnson Controls Ducted Systems...
  • Page 56: Indoor Blower Specifications

    Note: You must insert the tubes and hold them in a position moisture on an evaporator coil can vary greatly, measuring perpendicular to the air flow so that velocity pressure the pressure drop across a wet coil under field conditions does not affect the static pressure readings. Johnson Controls Ducted Systems...
  • Page 57: Dry Coil Delta P

    To adjust measured CFM to required CFM, see Supply air drive adjustment on page 58. J06ZB J07ZB 0.45 J08ZB J10ZB J12ZB 0.35 0.25 0.15 0.05 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 Airflow (CFM) Figure 28: Dry coil delta P Johnson Controls Ducted Systems...
  • Page 58: Motor Sheave Datum Diameters

    CFM. You must adjust the blower speed and belt tension. Verify proper sheave alignment. Tighten the blower pulley and motor sheave set screws after these adjustments. Re-check the set screws after 10-12 hours of run time. Johnson Controls Ducted Systems...
  • Page 59 3. 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. Johnson Controls Ducted Systems...
  • Page 60: Operation

    If the outdoor air enthalpy is above the setpoint, Y1 energizes relay. This starts compressor #2 and also energizes cond. the compressor and condenser fan motor only. fan #3 and cond. fan #4 on. The UCB energizes the VFD- Johnson Controls Ducted Systems...
  • Page 61: Cooling Operation Errors

    If the call for cooling is still present at the end of cooling is still present at the conclusion of the ASCD, the UCB the ASCD and the evaporator temperature sensor (EC1) re-energizes the halted compressor. temperature is above 26°F, the unit resumes operation. Johnson Controls Ducted Systems...
  • Page 62: Electric Heating Sequence Of Operations

    See Table 25 for the required electric heat anticipator setting. This limit is monitored regardless of unit operation status, that is, the limit is monitored at all times. Johnson Controls Ducted Systems...
  • Page 63: Gas Heating Sequence Of Operations

    If the unit fails after three ignition attempts, the furnace is locked indoor blower. When voltage is no longer sensed at the GV, the out for one hour. The furnace is monitored during this one-hour period for unsafe conditions. Johnson Controls Ducted Systems...
  • Page 64: Cooling Start-Up

    Internal microprocessor failure Set the room thermostat setting lower than the room If the ICB detects an internal failure, it ceases all outputs, temperature. ignores inputs, and displays the proper flash code for control Johnson Controls Ducted Systems...
  • Page 65: Gas Heat Start-Up

    A fire Wait for the initial second stage period to complete and or explosion may result causing property damage, verify that the unit is in first stage. personal injury, or loss of life. Johnson Controls Ducted Systems...
  • Page 66: Gas Rate Cubic Feet Per Hour

    240,000 144,000 area, contact your gas company for this information. By actual measurement, it takes 46 seconds for the hand on a 1 cubic foot dial to make a revolution with a 80,000 BTU/h furnace running. Johnson Controls Ducted Systems...
  • Page 67: Navigation Components For The Smart Equipment™ Control Board

    Equipment™ control, refer to the Smart Equipment™ orifices and replace them if required. Controls Sequence of Operation Overview LIT- To service the burners, remove the heat shield on top of 12011950. the manifold supports. Inspect the burners and replace them if required. Johnson Controls Ducted Systems...
  • Page 68: Smart Equipment™ Unit Control Board

    24 VAC hot out for smoke detector, condensate overflow and/ accessories for unit shutdown are wired between thermostat or user shutdown relay switching in series connection strip SD-24 and R 24 VAC common for thermostat power Johnson Controls Ducted Systems...
  • Page 69 #1 refrigerant circuit Evaporator Coil temperature Input required for operation; 3.625 VDC reading EC1+ to EC1– with open EC1+ sensor input from 10KΩ @ 77°F, Type III negative circuit. Used in suction line temperature safety. temperature coefficient thermistor Johnson Controls Ducted Systems...
  • Page 70 Output relay circuitry is isolated from other UCB components 24 VAC hot for H1, H2, CN-FAN, AUX HGR, 24V FOR OUTPUTS and the 24 VAC hot source may be from a second FAN C1 and C2 output relay contact switching transformer in the unit Johnson Controls Ducted Systems...
  • Page 71 Three HPS2 trips in a two hour period cause a “High Pressure (left pin) Pressure Switch Switch 1 Lockout” and C2 output is then prevented until alarm reset. Connects through circuit trace to the right LPS2 pin. Johnson Controls Ducted Systems...
  • Page 72 On-board, 2-line x 8-character back-lit display economizer, 4-stage and FDD board parameters ENTER Button for display menu acknowledgment and navigation Button for display menu navigation and zeroing of active CANCEL compressor ASCD timer 4-way Joystick for display menu navigation Johnson Controls Ducted Systems...
  • Page 73 Green FC bus communication transmission FC BUS currently active, off indicates the UCB is awaiting incoming FC bus indicator communication Green communication board Isolated Power Lit indicates the UCB is supplying power to the communication sub- ISO PWR indicator board Johnson Controls Ducted Systems...
  • Page 74: Cable For Fc Buses And Sa Buses In Order Of Preference

    Energized With W1 Off Second Stage Gas Valve Gas Valve Energized With First Stage Gas Valve Off Ignition Lockout Gas Flow Gas Pressure Gas Valve Flame Sensor No Power Or Control Steady off 24VAC or Control Failure Johnson Controls Ducted Systems...
  • Page 75: Charging The Unit

    Outdoor DB Suction temp. Liquid temp. Delta T Db Indoor Db/Wb pressure pressure 300 Cfm/Ton 80/62 300 Cfm/Ton 79.98/67 300 Cfm/Ton 80/72 300 Cfm/Ton 75/62 400 Cfm/Ton 80/62 400 Cfm/Ton 80.21/67.025 400 Cfm/Ton 80/72 400 Cfm/Ton 75/62 Johnson Controls Ducted Systems...
  • Page 76: J07Zb Charging Table - System 2

    Outdoor DB Suction temp. Liquid temp. Delta T Db Indoor Db/Wb pressure pressure 300 Cfm/Ton 80/62 300 Cfm/Ton 79.89/67.03 300 Cfm/Ton 80/72 300 Cfm/Ton 75/62 400 Cfm/Ton 80/62 400 Cfm/Ton 79.88/67.035 400 Cfm/Ton 80/72 400 Cfm/Ton 75/62 Johnson Controls Ducted Systems...
  • Page 77: J08Zb Charging Table - System 1

    Outdoor DB Suction temp. Liquid temp. Delta T Db Indoor Db/Wb pressure pressure 300 Cfm/Ton 80/62 300 Cfm/Ton 79.82/66.95 300 Cfm/Ton 80/72 300 Cfm/Ton 75/62 400 Cfm/Ton 80/62 400 Cfm/Ton 80.005/66.92 400 Cfm/Ton 80/72 400 Cfm/Ton 75/62 Johnson Controls Ducted Systems...
  • Page 78: J10Zb Charging Table - System 1

    11.5 300 Cfm/Ton 10.5 79.97/67.09 11.7 300 Cfm/Ton 10.6 80/72 11.9 300 Cfm/Ton 10.4 75/62 11.5 400 Cfm/Ton 10.5 80/62 11.6 400 Cfm/Ton 10.5 80/67.005 11.7 400 Cfm/Ton 10.5 80/72 11.7 400 Cfm/Ton 10.4 75/62 11.6 Johnson Controls Ducted Systems...
  • Page 79: J12Zb Charging Table - System 1

    12.7 300 Cfm/Ton 14.3 80/72 15.8 12.6 300 Cfm/Ton 14.0 75/62 15.5 12.7 400 Cfm/Ton 14.2 80/62 15.6 12.8 400 Cfm/Ton 14.2 80.08/67.06 15.7 12.8 400 Cfm/Ton 14.2 80/72 15.7 12.6 400 Cfm/Ton 14.1 75/62 15.6 Johnson Controls Ducted Systems...
  • Page 80: Start-Up Sheet

    5808011-JIM-A-0320 Start-up sheet Johnson Controls Ducted Systems...
  • Page 81 5808011-JIM-A-0320 Johnson Controls Ducted Systems...
  • Page 82 5808011-JIM-A-0320 Johnson Controls Ducted Systems...
  • Page 83 5808011-JIM-A-0320 Johnson Controls Ducted Systems...
  • Page 84 5808011-JIM-A-0320 Johnson Controls Ducted Systems...
  • Page 85 Subject to change without notice. Printed in U.S.A. 5808011-JIM-A-0320 Copyright © 2019 by Johnson Controls, Inc. All rights reserved. Supersedes: Nothing York International Corporation 5005 York Drive Norman, OK 73069...

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