Johnson Controls J ZH Series Installation Manual
Johnson Controls J ZH Series Installation Manual

Johnson Controls J ZH Series Installation Manual

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R-410A
J**ZH 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Optional Variable Air Volume (VAV) . . . . . . . . . . . . . . . . . . . . 35
Optional Hot Gas Bypass (HGBP) . . . . . . . . . . . . . . . . . . . . . . 37
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Single Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
1 J06 thru 12ZH Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 J06 thru 12ZH Unit Accessory Weights . . . . . . . . . . . . . . . . . . 9
4 J06 thru 12ZH Unit Physical Dimensions . . . . . . . . . . . . . . . 10
5 J06 thru 12ZH Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . 11
6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7 Left/End Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10 J06 thru 12ZH Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . 29
11 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . 31
12 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . . . . 32
13 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . . . 33
15 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
16 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . . 44
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Component Location (J10ZH Shown) . . . . . . . . . . . . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 J06 thru 10ZH Physical Dimensions . . . . . . . . . . . . . . . . . . . . 9
9 J12ZH Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 10
10 J06 thru 12ZH Unit Bottom Duct Openings . . . . . . . . . . . . . 12
11 J06 thru 12ZH Unit Electrical Entry . . . . . . . . . . . . . . . . . . . 13
12 J06 thru 10ZH Unit Side Duct Openings . . . . . . . . . . . . . . . 13
13 J12ZH Unit Side Duct Openings . . . . . . . . . . . . . . . . . . . . . . 14
14 J06 thru 12ZH Unit Left Duct Opening . . . . . . . . . . . . . . . . . 14
15 J06 thru 12ZH Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
16 J06 thru 12ZH Transition Roof Curb . . . . . . . . . . . . . . . . . . . 15
17 Side Panels With Hole Plugs . . . . . . . . . . . . . . . . . . . . . . . . 16
18 Return Downflow Plenum With Panel . . . . . . . . . . . . . . . . . . 16

TABLE OF CONTENTS

Auto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Free Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . 53
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Electric Heating Sequence Of Operations. . . . . . . . . . . . . . . . 56
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 56
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . . . . 57
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . . . . 58
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Control Board Navigation Components . . . . . . . . . . . . . . . . . . . . 62
Board Navigation Examples: . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
LIST OF TABLES
19 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
20 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 50
21 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . . . . . 50
22 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . . . . . 52
23 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . . . . 53
24 Electric Heat Limit Setting 50" Cabinet . . . . . . . . . . . . . . . . . 57
25 Electric Heat Limit Setting 42" Cabinet . . . . . . . . . . . . . . . . . 57
26 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 57
27 Gas Heat Limit Control Settings . . . . . . . . . . . . . . . . . . . . . . 59
28 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . . . . 59
29 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . . . . 61
30 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
31 Smart Equipment™ UCB Details . . . . . . . . . . . . . . . . . . . . . 65
33 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . . . . . 71
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
26 Bottom Entry Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
27 Simplified VFD Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
28 SE-ECO1001-0 Economizer Controller . . . . . . . . . . . . . . . . 39
29 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
30 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . . 44
31 Dry Coil Delta P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
32 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
33 Typical Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
34 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

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Summary of Contents for Johnson Controls J ZH Series

  • Page 1: Table Of Contents

    R-410A J**ZH SERIES W/SMART EQUIPMENT™ 6-1/2 - 12-1/2 Ton 60 Hertz TABLE OF CONTENTS General ..........2 Auto .
  • Page 2: General

    5167517-JIM-H-0218 General Johnson Controls Series10 J**ZH 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 A separate Renewal Parts request for inspection by the carrier’s agent should be made in writing. For authorized replacement parts, call Johnson Controls, Inc. National Source1 Parts Outlet at 1-866-523-9670. Approvals Design certified by CSA as follows:...
  • Page 4 5167517-JIM-H-0218 Nomenclature ® 6.5-12.5 Ton ZH Johnson Controls Model Number Nomenclature J10 ZH C A 2 A 1 Product Generation Nominal Cooling Capacity 1 = First Generation J06 = 6.5 Ton J07 = 7.5 Ton Cabinet Options J08 = 8.5 Ton J10 = 10.0 Ton...
  • Page 5: Installation

    In U.S.A.: plywood covering will drop to the ground. National Electrical Code, ANSI/NFPA No. 70 - Latest Remove the condenser coil external protective covering Edition prior to operation. National Fuel Gas Code, ANSI Z223.1 - Latest Edition Johnson Controls Unitary Products...
  • Page 6: Component Location (J10Zh Shown)

    Roof curbs in eight- and board for safe and fourteen-inch heights. efficient operation Compressor #1 access Side entry power Toolless (high-efficiency compressor and control wiring door latch w/crankcase heater) knockouts Figure 4: Component Location (J10ZH Shown) Johnson Controls Unitary Products...
  • Page 7: Location

    If a unit is to be installed on a roof curb other than a varnishes, hydrochloric acid, cements and glues, Johnson Controls roof curb, gasketing must be applied antistatic fabric softeners for clothes dryers, masonry to all surfaces that come in contact with the unit acid washing materials.
  • 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 (6.5) (7.5) 1052 1047 (8.5) 1095 1090 (10) 1285 1280 (12.5) Johnson Controls Unitary Products...
  • Page 9: J06 Thru 12Zh 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 10ZH Physical Dimensions Johnson Controls Unitary Products...
  • Page 10: J06 Thru 12Zh Unit Physical Dimensions

    6 3/16 J08ZH 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 J10ZH 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 J12ZH 50 3/4 119 1/2 30 3/16 24 3/16 17 3/16 6 3/16 Johnson Controls Unitary Products...
  • Page 11: J06 Thru 12Zh Unit Clearances

    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 Unitary Products...
  • Page 12: J06 Thru 12Zh 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 12ZH Unit Bottom Duct Openings Johnson Controls Unitary Products...
  • Page 13: J06 Thru 12Zh 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 10ZH Unit Side Duct Openings Johnson Controls Unitary Products...
  • Page 14: Side Duct Dimensions

    28 1/4 18 1/16 28 1/4 18 1/4 J10ZH 28 1/4 18 1/16 28 1/4 18 1/4 J12ZH 28 1/4 18 1/16 28 1/4 18 1/4 4-5/16 Figure 14: J06 thru 12ZH Unit Left Duct Opening Johnson Controls Unitary Products...
  • Page 15: Left/End Duct Dimensions

    50-1/2 COMPRESSOR SECTION FRONT 8 or 14 Figure 15: J06 thru 12ZH 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 12ZH Transition Roof Curb Johnson Controls Unitary Products...
  • 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 Unitary Products...
  • Page 17: Compressors

    Voltage tolerances which must be maintained at the POE (polyolester) compressor lubricants are known to cause compressor terminals during starting and running conditions are long term damage to some synthetic roofing materials. indicated on the unit Rating Plate and Table 1. Johnson Controls Unitary Products...
  • Page 18: Field Wiring Disconnect - Cooling Unit With/Without Electric Heat And All Units With Vfd Option

    TERMINAL BLOCK TB1 FACTORY OR FIELD GROUND SUPPLIED DISCONNECT THREE PHASE POWER SUPPLY Figure 22: Field Wiring Disconnect - Cooling Unit With/Without Electric Heat and All Units With VFD Option Johnson Controls Unitary Products...
  • Page 19: Control Wire Sizes

    Follow the manufacturer's instructions enclosed with thermostat for general installation procedure. Color-coded, 18 AWG 150 Feet insulated wires should be used to connect the thermostat to the 1.From the unit to the thermostat and back to the unit. Johnson Controls Unitary Products...
  • Page 20: Typical Electronic Thermostat Field Wiring

    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 Unitary Products...
  • Page 21: Electrical Data

    19.7 21.9 10.8 19.7 21.9 44.0 18.0 21.7 31.3 34.1 24.0 28.9 40.3 43.1 34.0 40.9 55.4 58.1 None 15.0 16.8 15.0 16.8 36.0 18.0 17.3 24.7 26.9 24.0 23.1 31.9 34.1 34.0 32.7 43.9 46.1 Johnson Controls Unitary Products...
  • 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 Unitary Products...
  • Page 23 21.0 23.2 10.8 21.0 23.2 44.0 18.0 21.7 32.9 35.7 24.0 28.9 42.0 44.7 34.0 40.9 57.0 59.7 None 16.2 18.0 16.2 18.0 36.0 18.0 17.3 26.2 28.4 24.0 23.1 33.4 35.6 34.0 32.7 45.4 47.6 Johnson Controls Unitary Products...
  • 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 Unitary Products...
  • Page 25 24.7 26.9 10.8 24.7 26.9 44.0 18.0 21.7 37.6 40.3 24.0 28.9 46.6 49.3 34.0 40.9 61.6 64.4 None 19.0 20.8 19.0 21.1 36.0 18.0 17.3 29.7 31.9 24.0 23.1 36.9 39.1 34.0 32.7 48.9 51.1 Johnson Controls Unitary Products...
  • 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 Unitary Products...
  • Page 27 26.0 28.2 10.8 26.0 28.4 44.0 18.0 21.7 39.2 41.9 24.0 28.9 48.2 51.0 34.0 40.9 63.2 66.0 None 20.2 22.0 20.3 22.6 36.0 18.0 17.3 31.2 33.4 24.0 23.1 38.4 40.6 34.0 32.7 50.4 52.6 Johnson Controls Unitary Products...
  • 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 Unitary Products...
  • Page 29: J06 Thru 12Zh Physical Data

    2-pass Microchannel 2-pass Microchannel 2-pass Microchannel 2-pass Microchannel 2-pass Microchannel EVAPORATOR COIL DATA Face area (Sq. Ft.) 10.6 10.6 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 Unitary Products...
  • Page 30 Stage 60% of Full Capacity. 4. J07ZH, J12ZH 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 Unitary Products...
  • Page 31: Optional Electric Heat

    2550 2550 2550 2550 208/230-3-60 3000 3000 3000 3500 460-3-60 3000 3000 3000 3000 (10) 600-3-60 3000 3000 3000 3500 208/230-3-60 3750 3750 3750 4000 460-3-60 3750 3750 3750 3750 (12.5) 600-3-60 3750 3750 3750 3750 Johnson Controls Unitary Products...
  • Page 32: Optional Gas Heat

    NOTE: There may be a local gas utility requirement specifying a minimum diameter for gas piping. All units require a 3/4 inch pipe connection at the entrance fitting. Line should not be sized smaller than the entrance fitting size. Johnson Controls Unitary Products...
  • Page 33: Gas Heat Minimum Supply Air

    Check all joints for leaks with soap solution or other All LP gas equipment must conform to the safety standards of material suitable for the purpose. NEVER USE A FLAME. the National Fire Protection Association. Johnson Controls Unitary Products...
  • Page 34: Options/Accessories

    These heaters mount in the heat compartment with option or a field installed accessory. If factory installed, refer to the heating elements extending into the supply air chamber. All the instructions included with the outdoor air hood to complete Johnson Controls Unitary Products...
  • Page 35: Optional Variable Air Volume (Vav)

    (1/4" diameter) must be field supplied and fan, the indoor blower motor will run at full-speed while in the installed from the transducer to both the ductwork and to the bypass mode. atmosphere. Connect the tubing from the 'HIGH' pressure tap of Johnson Controls Unitary Products...
  • Page 36: Simplified Vfd Wiring

    A terminal block located in the control box is provided for field vary greatly among manufacturers, horsepower ratings and connection of the VFD speed reference signal (2-10 VDC) and voltage requirements. Keep in mind that drive manufacturers to the normally-open, run-permit auxiliary contact. The use of Johnson Controls Unitary Products...
  • Page 37: Optional Hot Gas Bypass (Hgbp)

    If at any time the economizer output drops below 100% the If the outside air temperature rises above the RAT plus 10°F, timer stops and resets when the economizer output returns to free cooling is no longer available. The outside air temperature 100%. Johnson Controls Unitary Products...
  • Page 38: Power Exhaust

    Energizes exhaust fan when economizer output is above Setpoints Economizer Damper Position For Exhaust Fan On. a. Economizer Enable c. De-energizes exhaust fan when economizer output is below the Economizer Damper Position for Exhaust Fan b. Power Exhaust Enable Johnson Controls Unitary Products...
  • Page 39: 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 Unitary Products...
  • Page 40 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 Unitary Products...
  • Page 41 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 Unitary Products...
  • Page 42: Supply Air Limitations

    If the blower or compressors rotate J10 (10) 3000 5000 in the wrong direction at start-up, the electrical connection to J12 (12.5) 3750 6250 the unit is misphased. Change the phasing of the Field Line Johnson Controls Unitary Products...
  • Page 43: Belt Adjustment

    Air density correction factors are shown in Table 16 and Figure 30. Johnson Controls Unitary Products...
  • Page 44: Altitude/Temperature Correction Factors

    Corrected BHP = 4.0 x 0.832 = 3.328 BHP at 5,000 ft. = 3.2 x .832 = 2.66 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 Johnson Controls Unitary Products...
  • Page 45 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 Unitary Products...
  • Page 46: Airflow Performance - Side 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. Johnson Controls Unitary Products...
  • Page 47 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 Unitary Products...
  • Page 48: 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 Unitary Products...
  • Page 49: Rpm Selection

    2.30 1VM50 AK94 (8.5) 3.45 1VM50 AK74 1035 1084 1134 2.30 1VM50 AK84 (10) 3.45 1VM50 AK74 1035 1084 1134 3.45 1VM50 AK74 1035 1084 1134 (12.5) 5.75 1VP56 BK77 1052 1095 1136 1175 1216 1272 Johnson Controls Unitary Products...
  • Page 50: 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 Unitary Products...
  • Page 51: Dry Coil Delta P

    Determine the number of turns the variable motor sheave is open. J06ZH 0.45 J08ZH J07ZH J10ZH J12ZH 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 Unitary Products...
  • Page 52: 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 Unitary Products...
  • Page 53: Operation

    Unit Control Board (UCB) which then determines requested operation is available and if so, which whether the requested operation is available and if so, which components to energize. With a "Y2" call for first stage Johnson Controls Unitary Products...
  • Page 54 If the enthalpy of the outdoor air is below the set point VAV Cooling Supply Air Temp Upper Set point of the enthalpy controller (previously determined), "Y1" (default 60° F) Johnson Controls Unitary Products...
  • Page 55: Cooling Operation Errors

    ASCD, the www.upgnet.com under Product Center \ Equipment UCB will re-energize the halted compressor. Should the UCB detect the evaporator low limit sensor (EC1, 2) falling below 26 Johnson Controls Unitary Products...
  • Page 56: Electric Heating Sequence Of Operations

    Electric Heat Limit down the compressor. The UCB incorporates features to Setting Tables 24 and 25. It resets automatically. The limit Johnson Controls Unitary Products...
  • Page 57: Gas Heating Sequence Of Operations

    SETTING, AMPS “W2,” the ICB conducts a complete first stage ignition sequence. If this sequence is satisfied, the second main valve 0.13 of the GV is opened. When “W2” is satisfied, the second main valve is closed. Johnson Controls Unitary Products...
  • Page 58: Gas Heating Operation Errors

    ICB will not reset. Consequently, the control will respond in the same permit an ignition sequence and the draft motor is energized. If manner as outlined above under “Limit Switch”. Johnson Controls Unitary Products...
  • Page 59: Start-Up (Cooling)

    Check the type of gas being supplied. Be sure that it is the of a setting will result in longer heat cycles and a greater same as listed on the unit nameplate. temperature swing in the conditioned space. Reducing the Johnson Controls Unitary Products...
  • Page 60: Checking Gas Heat Input

    If in doubt, it is better to leave the first stage of the local gas utility or propane supplier for corrective action. furnace slightly over-fired (greater than 60% input). Repeat Steps 1-6. Shut Down Set the thermostat to the lowest temperature setting. Johnson Controls Unitary Products...
  • Page 61: Gas Rate Cubic Feet Per Hour

    . The result of 2nd Stage Input 1st Stage Input 199,000 Btuh is within 5% of the 192,000 Btuh rating of the # of Burner Tubes (100% Btuh) (60% Btuh) furnace. 120,000 72,000 180,000 108,000 240,000 144,000 Johnson Controls Unitary Products...
  • Page 62: Charging The Unit

    Equipment™ control please refer to LIT-12011950 on orifice. www.upgnet.com under Product Center \ Equipment Catalog \ Commercial Products \ Zoning Systems and Controls. HEAT EXCHANGER TUBE SUPPLY PIPE BURNER BURNER FLAME (BLUE ONLY) BURNER BRACKET IGNITOR Figure 32: Typical Flame Johnson Controls Unitary Products...
  • Page 63: Smart Equipment™ Firmware Version 3.3 Basic Unit Control Board Navigation Examples

    To adjust the minimum position percentage move the joystick to the right to increase and to left decrease. Then Press “ENTER”. Toggle Left to Decrease Toggle Right to Increase Econ-MinPos Screen Will Flash ENTER DOWN CANCEL JOY + C PWR Press the “Cancel” button to exit each menu level. Repeatedly pressing Johnson Controls Unitary Products...
  • Page 64 To change the selection move the joystick to the right and choose either “YES” or “NO”. Then Press “ENTER”. Htg-En Screen Will Flash ENTER CANCEL JOY + C PWR These few pages provide a simple demonstration how to navigate the menu’s of the Smart Equipment™ con- Johnson Controls Unitary Products...
  • Page 65: Smart Equipment™ Ucb Details

    SD-24 and R 24 VAC hot return from factory accessory smoke Connects through circuit trace to the R terminal on the upper left SD R detector, condensate overflow and user shutdown of the board relay switching in series Johnson Controls Unitary Products...
  • Page 66 Positive of VDC circuit (3.625 VDC reading to COM with open Space Sensor Offset input from 0 to 20KΩ circuit), 10KΩ/2.5 VDC is 0°F offset, 0Ω/0 VDC is maximum potentiometer above offset and 20KΩ/3.4 VDC is maximum below offset from active space temperature setpoint Johnson Controls Unitary Products...
  • Page 67 “APS stuck closed” notification alarm APS (lower pin) 24 VAC hot out for Air Proving Switch Connects through circuit trace to the R terminal Common for the VFD output Negative of the VDC circuit for the VFD output Johnson Controls Unitary Products...
  • Page 68 Connects through circuit trace to the right LPS1 pin. LPS1 24 VAC hot out for refrigerant circuit 1 Low Connects through circuit trace to the left HSP1 pin (right pin) Pressure Switch Johnson Controls Unitary Products...
  • Page 69 Item Integrated user interface at lower left corner of UCB On-board display, buttons and joystick allow access to UCB, Display On-board, 2-line x 8-character back-lit display economizer, 4-stage and FDD board parameters Button for display menu acknowledgment and ENTER navigation Johnson Controls Unitary Products...
  • Page 70 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 Unitary Products...
  • Page 71: Cable For Fc Buses And Sa Buses In Order Of Preference . 71 33 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 Unitary Products...
  • Page 72: Start-Up Sheet

    EQUIPMENT STARTUP warranty policy and warranty manual found on UPGnet for details. In the event that communication with Johnson Controls/UPG is Use the local LCD or Mobile Access Portal (MAP) Gateway to required regarding technical and/or warranty concerns, all parties complete the start-up.
  • Page 73 1034349-UCL-E-0817 SAFETY WARNINGS The inspections and recording of data outlined in this procedure are required for start-up of Johnson Controls/UPG's packaged Lethal voltages are present during some start-up products. Industry recognized safety standards and practices checks. Extreme caution must be used at all times.
  • Page 74 See Notes sensor installed Check economizer setting (Reference Smart Equipment™ Control Board LCD menu location) Prove economizer open/close through Smart Equipment™ Board Setting Reheat Mode Normal or Alternate Not Applicable Humidity Sensor (2SH0401) _____________________________________________ Unitary Products Group Johnson Controls Unitary Products...
  • Page 75 1. VAV units with heat section - simulate heat call to drive VAV boxes and VFD/IGV to maximum design airflow position. 2. VAV units without heat section - VAV boxes must be set to maximum design airflow position. Unitary Products Group Johnson Controls Unitary Products...
  • Page 76 Manifold Pressure Stage 2 (If Equipped) Stage 3 (If Equipped) Supply gas pressure at full fire Check temperature rise measured at full fire °F 1. Input X Eff. (BTU output) 1.08 X Temp. Rise Unitary Products Group Johnson Controls Unitary Products...
  • Page 77: 5167517-Jim-H-0218

    ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ Subject to change without notice. Printed in U.S.A. 5167517-JIM-H-0218 Copyright © 2018 by Johnson Controls, Inc. All rights reserved. Supersedes: 5167517-JIM-G-0118 York International Corporation 5005 York Drive Norman, OK 73069...

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