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R-410A
J**ZJ SERIES W/SMART EQUIPMENT™
6-1/2 - 12-1/2 Ton
60 Hertz
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Side Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power And Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Optional Gas Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Optional Variable Air Volume (VAV) . . . . . . . . . . . . . . . . . . . . 34
Optional Hot Gas Bypass (HGBP) . . . . . . . . . . . . . . . . . . . . . . 36
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Single Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . 36
1 J06 thru 12ZJ Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 J06 thru 12ZJ Unit Accessory Weights . . . . . . . . . . . . . . . . . . 9
4 J06 thru 12ZJ Unit Physical Dimensions . . . . . . . . . . . . . . . . 11
5 J06 thru 12ZJ Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . 11
6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7 Left/End Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
9 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
11 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . 31
12 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . . . . 32
13 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . . . 32
15 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
16 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . . 43
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4
Component Location (J10ZJ Shown) . . . . . . . . . . . . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 J06 thru 10ZJ Physical Dimensions . . . . . . . . . . . . . . . . . . . . 9
9 J12ZJ Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 10
10 J06 thru 12ZJ Unit Bottom Duct Openings . . . . . . . . . . . . . . 12
11 J06 thru 12ZJ Unit Electrical Entry . . . . . . . . . . . . . . . . . . . . 13
12 J06 thru 10ZJ Unit Side Duct Openings . . . . . . . . . . . . . . . . 13
13 J12ZJ Unit Side Duct Openings . . . . . . . . . . . . . . . . . . . . . . 14
14 J06 thru 12ZJ Unit Left/End Duct Opening . . . . . . . . . . . . . . 14
15 J06 thru 12ZJ Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
16 J06 thru 12ZJ Transition Roof Curb . . . . . . . . . . . . . . . . . . . 15
17 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . . . . 16
18 Return Downflow Plenum With Panel . . . . . . . . . . . . . . . . . . 16

TABLE OF CONTENTS

Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Auto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Free Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Airflow Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . 52
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Electric Heating Sequence Of Operations. . . . . . . . . . . . . . . . 55
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 55
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . . . . 56
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 56
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Control Board Navigation Components . . . . . . . . . . . . . . . . . . . . 61
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
LIST OF TABLES
19 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
20 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 49
21 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . . . . . 49
22 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . . . . . 51
23 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . . . . 52
24 Electric Heat Limit Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
25 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 55
26 Gas Heat Limit Control Settings . . . . . . . . . . . . . . . . . . . . . . 57
27 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . . . . 58
28 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . . . . 59
29 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
30 Smart Equipment™ UCB Details . . . . . . . . . . . . . . . . . . . . . 62
32 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . . . . . 67
LIST OF FIGURES
19 Discharge Panel In Place . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
21 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Heat and All Units With VFD Option . . . . . . . . . . . . . . . . . . 18
VFD Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
25 Side Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
26 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
27 Simplified VFD Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
28 SE-ECO1001-0 Economizer Controller . . . . . . . . . . . . . . . . 38
29 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
30 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . . 43
31 Dry Coil Delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
32 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
33 Typical Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
34 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
5565605-JIM-B-1018

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Summary of Contents for Johnson Controls J10ZJ

  • Page 1: Table Of Contents

    21 Condensate Drain ....... . 17 Component Location (J10ZJ Shown) ....6 22 Field Wiring Disconnect - Cooling Unit With/Without Electric 5 Unit 4 Point Load Weight .
  • Page 2: General

    5565605-JIM-B-1018 General Johnson Controls J**ZJ units are single package air conditioners with optional gas heating designed for outdoor Before performing service or maintenance operations on installation on a rooftop or slab and for non-residential use. unit, turn off main power switch to unit. Electrical shock These units can be equipped with factory or field installed could cause personal injury.
  • Page 3 If damage is evident, the extent of the Renewal Parts damage should be noted on the carrier’s freight bill. A separate For authorized replacement parts, call Johnson Controls, Inc. request for inspection by the carrier’s agent should be made in National Source1 Parts Outlet at 1-866-525-9670.
  • Page 4 5565605-JIM-B-1018 Nomenclature ® 6.5-12.5 Ton J**ZJ Johnson Controls Model Number Nomenclature J10 ZJ C A 2 A 1 Product Generation Nominal Cooling Capacity 1 = First Generation 2 = Second Generation J06 = 6.5 Ton J07 = 7.5 Ton J08 = 8.5 Ton Cabinet Options J10 = 10.0 Ton...
  • Page 5: Installation

    In U.S.A.: Remove the condenser coil external protective covering National Electrical Code, ANSI/NFPA No. 70 - Latest prior to operation. Edition National Fuel Gas Code, ANSI Z223.1 - Latest Edition Johnson Controls Ducted Systems...
  • Page 6: Component Location (J10Zj Shown)

    Compressor #1 access Side entry power York Sunline™ footprint to Toolless (high-efficiency compressor and control wiring the ZJ Series footprints door latch w/crankcase heater) knockouts are also available (field installed accessory) Figure 4: Component Location (J10ZJ Shown) Johnson Controls Ducted Systems...
  • Page 7: Location

    If a unit is to be installed on a roof curb other than a JCI varnishes, hydrochloric acid, cements and glues, roof curb, gasketing must be applied to all surfaces that antistatic fabric softeners for clothes dryers, masonry come in contact with the unit underside. acid washing materials. Johnson Controls Ducted Systems...
  • Page 8: Weights And Dimensions

    Table 2: Weights and Dimensions Size Weight (lbs.) Center of Gravity 4 Point Load Location (lbs.) 6 Point Load Location (lbs.) Model (Tons) Shipping Operating 1035 1030 (6.5) 1055 1050 (7.5) 1065 1060 (8.5) 1075 1070 (10) 1285 1280 (12.5) Johnson Controls Ducted Systems...
  • Page 9: J06 Thru 12Zj Unit Accessory Weights

    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 thru 10ZJ Physical Dimensions Johnson Controls Ducted Systems...
  • Page 10: J12Zj Physical Dimensions

    29.03 29.03 14.85 Ø 24.58 TYP. 4 PL. 15.23 See detail A for gas inlet 11 3/8 See detail B for drain location 21 3/16 LEFT 4 3/16 FRONT 27 5/16 Figure 9: J12ZJ Physical Dimensions Johnson Controls Ducted Systems...
  • Page 11: J06 Thru 12Zj Unit Physical Dimensions

    1. Units must be installed outdoors. Over hanging structure or shrubs should not obscure 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 12: J06 Thru 12Zj Unit Bottom Duct Openings

    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 thru 12ZJ Unit Bottom Duct Openings Johnson Controls Ducted Systems...
  • Page 13: J06 Thru 12Zj Unit Electrical Entry

    D o t P l u g s Return Supply Air 2 - 3 1 /3 2 5 - 5 /3 2 3 1 - 1 1 /1 6 Figure 12: J06 thru 10ZJ Unit Side Duct Openings Johnson Controls Ducted Systems...
  • Page 14: Side Duct Dimensions

    28 1/4 18 1/16 28 1/4 18 1/4 J10ZJ 28 1/4 18 1/16 28 1/4 18 1/4 J12ZJ 28 1/4 18 1/16 28 1/4 18 1/4 4-5/16 Figure 14: J06 thru 12ZJ Unit Left/End Duct Opening Johnson Controls Ducted Systems...
  • Page 15: Left/End Duct Dimensions

    50-1/2 COMPRESSOR SECTION FRONT 8 or 14 Figure 15: J06 thru 12ZJ 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 16: J06 thru 12ZJ Transition Roof Curb Johnson Controls Ducted Systems...
  • Page 16: Ductwork

    The side condensate drain is reversible and maybe re-oriented to NOTE: Orientation. Panel is “insulation” side up. the rear of the cabinet to facilitate condensate piping. A condensate drain connection is available through the base pan Johnson Controls Ducted Systems...
  • Page 17: Compressors

    Rating Plate and Table 1. 208/230-3-60 and 380/415-3-50 units control transformers are factory wired for 230v and 415v power supply respectively. Change tap on transformer for 208- 3-60 or 380-3-50 operation. See unit wiring diagram. Johnson Controls Ducted Systems...
  • Page 18: Field Wiring Disconnect - Cooling Unit With/Without Electric Heat And All Units With Vfd Option

    A disconnect must be utilized for these units. Factory installed disconnects are available. If installing a disconnect (field supplied or Johnson Controls supplied accessory), refer to Figure 4 for the recommended mounting location. When connecting electrical power and control wiring to...
  • Page 19: Field Wiring Disconnect - Cooling Unit With Gas Heat Without Vfd Option

    5565605-JIM-B-1018 CONTACTOR 1M FACTORY OR FIELD GROUND SUPPLIED DISCONNECT THREE PHASE POWER SUPPLY Figure 23: Field Wiring Disconnect - Cooling Unit With Gas Heat Without VFD Option Johnson Controls Ducted Systems...
  • Page 20: Control Wire Sizes

    Figure 24: Typical Electronic Thermostat Field Wiring 208/230-3-60 and 380/415-3-50 units control transformers are factory wired for 230v and 415v power supply respectively. Change tap on transformer for 208- 3-60 or 380-3-50 operation. See unit wiring diagram. Johnson Controls Ducted Systems...
  • Page 21: Electrical Data

    69.5 57.7 80.6 87.5 81.8 110.8 117.6 (8.5) None 20.8 10.8 20.8 21.7 31.4 34.1 28.9 40.4 43.1 40.9 55.4 58.1 None 18.6 20.4 18.6 20.4 1.35 17.3 24.6 26.9 23.1 31.9 34.1 32.7 43.9 46.1 Johnson Controls Ducted Systems...
  • Page 22 None 25.8 27.6 18.0 17.3 26.2 28.4 62.0 13.5 24.0 23.1 33.4 35.6 34.0 32.7 45.4 47.6 54.0 52.0 56.5 58.7 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems...
  • Page 23 3.03 43.3 66.1 57.7 84.1 81.8 114.3 121.1 (8.5) None 22.1 24.3 10.8 22.1 24.3 21.7 35.8 28.9 44.8 40.9 59.8 None 19.8 21.6 19.8 21.6 1.35 17.3 26.1 28.4 23.1 33.4 35.6 32.7 45.4 47.6 Johnson Controls Ducted Systems...
  • Page 24 None 27.4 29.2 18.0 17.3 28.2 30.4 62.0 13.5 24.0 23.1 35.4 37.6 34.0 32.7 47.4 49.6 54.0 52.0 58.5 60.7 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems...
  • Page 25 43.3 75.1 57.7 93.1 81.8 123.3 130.1 (8.5) None 25.8 10.8 25.8 21.7 37.6 40.4 28.9 46.6 49.4 40.9 61.6 64.4 None 22.6 24.4 22.6 24.4 1.35 17.3 29.6 31.9 23.1 36.9 39.1 32.7 48.9 51.1 Johnson Controls Ducted Systems...
  • Page 26 None 29.8 31.6 18.0 17.3 31.2 33.4 62.0 13.5 24.0 23.1 38.4 40.6 34.0 32.7 50.4 52.6 54.0 52.0 61.5 63.7 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems...
  • Page 27 78.6 85.5 57.7 96.6 103.5 81.8 126.8 133.6 (8.5) None 27.1 29.3 10.8 27.1 29.3 21.7 39.3 28.9 48.3 40.9 63.3 None 23.8 25.6 23.8 25.6 1.35 17.3 31.1 33.4 23.1 38.4 40.6 32.7 50.4 52.6 Johnson Controls Ducted Systems...
  • Page 28 None 31.4 33.2 18.0 17.3 33.2 35.4 62.0 13.5 24.0 23.1 40.4 42.6 34.0 32.7 52.4 54.6 54.0 52.0 63.5 65.7 1. Minimum Circuit Ampacity. 2. Dual Element, Time Delay Type. 3. HACR type per NEC. Johnson Controls Ducted Systems...
  • Page 29: 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 30 Stage 50% of Full Capacity. 4. J06ZJ through J12ZJ have crankcase heaters standard. 5. 2 In. Throwaway, Standard, MERV (Minimum Efficiency Reporting Value) 3. 6. 2 In. Pleated, Optional, MERV 8. 7. 4 In. Pleated, Optional, MERV 13. Johnson Controls Ducted Systems...
  • Page 31: Optional Electric Heat

    Refer to the Pipe Sizing Table 12. The heating value of the gas may differ with locality. The value should be checked with the local gas utility. Figure 25: Side Entry Gas Piping Johnson Controls Ducted Systems...
  • Page 32: Gas Pipe Sizing - Capacity Of Pipe

    The gas supply should be a separate line and installed in accordance with all safety codes as prescribed under “Limitations”. Johnson Controls Ducted Systems...
  • Page 33: Options/Accessories

    W.C. at the unit under full load. Maintaining proper gas power supply. pressure depends on three main factors: The vaporization rate which depends on the temperature of the liquid and the “wetted surface” area of the container(s). Johnson Controls Ducted Systems...
  • Page 34: Optional Variable Air Volume (Vav)

    (1/4" diameter) must be field supplied and the assembly. Field installed Motorized Outdoor Damper installed from the transducer to both the ductwork and to the accessories include complete instructions for installation. atmosphere. Connect the tubing from the 'HIGH' pressure tap of Johnson Controls Ducted Systems...
  • Page 35 • DRIVE - routes power through the VFD for modulating nuts. After removing the wire nuts, connect the wires to the control of the indoor blower motor. field-installed VFD per the VFD wiring diagram (See Figure 27). Johnson Controls Ducted Systems...
  • Page 36: Optional Hot Gas Bypass (Hgbp)

    • Return and outside air dry bulb and return and outside air outdoor air supply. humidity = dual enthalpy • If either the return or outside air dry bulb sensors are unreliable, free cooling is not available Johnson Controls Ducted Systems...
  • Page 37: Free Cooling Operation

    Economizer Damper Position for Exhaust Fan If the economizer output goes to minimum position and the SAT is less than Economizer Setpoint -1°F, the control starts a 12- minute timer to de-energize a compressor output. Johnson Controls Ducted Systems...
  • Page 38: Smart Equipment™ Economizer Board Details

    Negative of the SA BUS communication Common for SA BUS power and circuit to the UCB. Through the unit wiring harness, may continue communication circuits on to the 4-stage board and/or fault detection & diagnostics board Johnson Controls Ducted Systems...
  • Page 39 24V~ IN Pin connections at right on upper edge of economizer board 24 VAC common connection to power the economizer board. 24 VAC transformer Common referenced to Connects through circuit traces to C/COM terminals and pins cabinet ground distributed on the economizer board. Johnson Controls Ducted Systems...
  • Page 40 Connects through circuit trace to 24V~ IN pin HOT sensor BldgPres parameter reports input status (-.250-.250”/w/-.062- BLDG 0-5 VDC positive input from the Building .062kPa). Used for modulating power exhaust functions when PRES Pressure sensor ExFType selection is Modulating Damper or Variable Frequency Fan. Johnson Controls Ducted Systems...
  • Page 41: Supply Air Limitations

    Change the phasing of the Field Line Connection at the factory or field supplied disconnect to The tension on the belt should be adjusted as shown in Figure 29. obtain proper rotation. (Scroll compressors operate in only one Johnson Controls Ducted Systems...
  • Page 42: Belt Adjustment

    Air density correction factors are shown in Table 16 and Figure 30. Johnson Controls Ducted Systems...
  • Page 43: 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 6,000 CFM at a static pressure of 1.5". Use the unit BHP at 5,000 ft. = 3.2 x .832 = 2.66 Johnson Controls Ducted Systems...
  • Page 44 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn Fully Model (Tons) Sheave Sheave Open Open Open Open Open Open Closed 1.73 1VM50 AK74 1035 1079 1126 2.30 1VM50 AK64 1039 1094 1150 1207 1256 1308 Johnson Controls Ducted Systems...
  • Page 45: 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. Johnson Controls Ducted Systems...
  • Page 46 5565605-JIM-B-1018 J10ZJ (10 Ton) Side Duct Available External Static Pressure - IWG Air Flow (CFM) RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP Field Supplied Drive Standard 2 HP & Drive Hi Static 3 HP &...
  • Page 47: 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 48: Rpm Selection

    5565605-JIM-B-1018 J10ZJ (10 Ton) Bottom Duct Available External Static Pressure - IWG Air Flow (CFM) RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP Field Supplied Standard 2 HP & Drive Hi Static 3 HP &...
  • Page 49: Air Balance

    Re-checking set screws replace the dot plugs. after 10-12 hrs. run time is recommended. Tighten blower pulley and motor sheave set screws after any adjustments. Re-check set screws after 10-12 hrs. run time is recommended. Johnson Controls Ducted Systems...
  • Page 50: Dry Coil Delta P

    Determine the number of turns the variable motor sheave is open. J06ZJ J07ZJ 0.45 J08ZJ J10ZJ J12ZJ 0.35 0.25 0.15 0.05 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 Airflow (CFM) Figure 31: Dry Coil Delta P Johnson Controls Ducted Systems...
  • Page 51: Motor Sheave Datum Diameters

    CFM. Adjustments of the blower speed and belt tension are REQUIRED. Verify proper sheave alignment; tighten blower pulley and motor sheave set screws after these adjustments. Re-checking set screws after 10-12 hrs. run time is recommended. Johnson Controls Ducted Systems...
  • Page 52: Operation

    UCB will close and send 24 volts to the M2 contactor starting supplied power source to prevent over-pressurizing and the first stage compressor and the associated condenser fan. possible damage to the ductwork. Johnson Controls Ducted Systems...
  • Page 53 Upon the final compressor de-energizing, the blower is stopped following the elapse of the fan off delay for cooling. Johnson Controls Ducted Systems...
  • Page 54: Cooling Operation Errors

    During cooling operation, if the Evaporator Low Limit Sensor (EC1, 2) (Located on the Suction Line at the Evaporator Coil.) Johnson Controls Ducted Systems...
  • Page 55: Electric Heating Sequence Of Operations

    If the temperature limit opens three times within one hour, it will heat anticipator setting. lock-on the indoor blower motor. Table 25: Electric Heat Anticipator Setpoints Safety Controls SETTING, AMPS The UCB monitors the temperature limit switch of electric heat units. 0.13 Johnson Controls Ducted Systems...
  • Page 56: Gas Heating Sequence Of Operations

    If this sequence is satisfied, the second main valve counted as a recycle. of the GV is opened. Gas Valve When “W2” is satisfied, the second main valve is closed. The UCB and ICB continuously monitor the GV. Johnson Controls Ducted Systems...
  • Page 57: Gas Heat Limit Control Settings

    Gas Heat Anticipator Setpoints It is important that the anticipator setpoint be correct. Too high of a setting will result in longer heat cycles and a greater temperature swing in the conditioned space. Reducing the Johnson Controls Ducted Systems...
  • Page 58: Start-Up (Cooling)

    Complete the following checks before starting the unit. Open gas heat access panel. Check the type of gas being supplied. Be sure that it is the Turn gas valve clockwise to “OFF” position (See Figure 33). same as listed on the unit nameplate. Johnson Controls Ducted Systems...
  • Page 59: Checking Gas Heat Input

    (60% input) adjustment screw is located adjacent to the “LO” marking on the valve (See Figure 33). Manifold pressure adjustment procedure. Adjust second stage (100% input) pressure first, then adjust first stage (60% input) pressure. Turn off all power to the unit. Johnson Controls Ducted Systems...
  • Page 60: Charging The Unit

    All J**ZJ units use Thermal Expansion Devices. Charge the unit allowable CFM. Below this CFM, the limit will open. to nameplate charge. Burners/Orifices Inspection/Servicing Before checking or changing burners, pilot or orifices, CLOSE MAIN MANUAL SHUT-OFF VALVE AND SHUT OFF ALL POWER TO THE UNIT. Johnson Controls Ducted Systems...
  • Page 61: Control Board Navigation Components

    Equipment™ control, refer to the Smart Equipment™ Local LCD on Unit Control Board. Controls Sequence of Operation Overview LIT- Mobile Access Portal (MAP) Gateway (Portable). 12011950. • Source 1 P/N S1-JC-MAP1810-OP THERMOSTAT WIRED HERE SD-24 Figure 34: Unit Control Board Johnson Controls Ducted Systems...
  • Page 62: Smart Equipment™ Ucb Details

    1/2 second on/off flashing indicates one or more alarm is Red hard lockout, networking error and firmware currently active, 1/10th second on/off flashing indicates a FAULT error indicator networking error (polarity, addressing, etc.) or a firmware error (likely correctable with re-loading from USB flash drive) Johnson Controls Ducted Systems...
  • Page 63 DFS (upper pin) 24 VAC hot return from Dirty Filter Switch during indoor blower operation initiates a notification alarm DFS (lower pin) 24 VAC hot out for Dirty Filter Switch Connects through circuit trace to the R terminal Johnson Controls Ducted Systems...
  • Page 64 Not effective for one stage compressor UCBs. If demand is present and permissions allow compressor 2 operation; output 24 VAC hot output for compressor 2 with compressor cooling, comfort ventilation cooling or heat pump heating demands Johnson Controls Ducted Systems...
  • Page 65 1.5 to 3.5 volts reading to C; at least 0.25 volts lower – Communication for SA BUS devices than +) SA BUS communication circuit to optional economizer board, 4-stage board, fault detection & diagnostics board, netstat and/or Multi Touch gateway Johnson Controls Ducted Systems...
  • Page 66 Green communication board Isolated Power Lit indicates the UCB is supplying power to the communication ISO PWR indicator sub-board 1. When wiring unit and other devices using the SA Bus and FC Bus, see Table 32. Johnson Controls Ducted Systems...
  • Page 67: Cable For Fc Buses And Sa Buses In Order Of Preference . 67 32 Ignition Control Flash Codes

    Energized With W1 Off Second Stage Gas Valve Gas Valve Energized With First Stage Gas Valve Off Gas Flow Gas Pressure Ignition Lockout Gas Valve Flame Sensor STEADY OFF No Power Or Control Failure 24VAC or Control Johnson Controls Ducted Systems...
  • Page 68: Start-Up Sheet

    5565605-JIM-B-1018 Start-Up Sheet Johnson Controls Ducted Systems...
  • Page 69 5565605-JIM-B-1018 Johnson Controls Ducted Systems...
  • Page 70 5565605-JIM-B-1018 Johnson Controls Ducted Systems...
  • Page 71 5565605-JIM-B-1018 Johnson Controls Ducted Systems...
  • Page 72 5565605-JIM-B-1018 Johnson Controls Ducted Systems...
  • Page 73 Subject to change without notice. Printed in U.S.A. 5565605-JIM-B-1018 Copyright © 2018 by Johnson Controls, Inc. All rights reserved. Supersedes: 5565605-JIM-A-1018 York International Corporation 5005 York Drive Norman, OK 73069...

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