Johnson Controls ZF078 Installation Manual
Johnson Controls ZF078 Installation Manual

Johnson Controls ZF078 Installation Manual

R-410a w/simplicity se 6-1/2 - 12-1/2 ton 60 hertz
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R-410A
ZF SERIES W/SIMPLICITY SE
6-1/2 - 12-1/2 Ton
60 Hertz
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ductwork. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
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 ZF078-150 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 ZF078-150 Unit Accessory Weights . . . . . . . . . . . . . . . . . . . 9
4 ZF078-150 Unit Physical Dimensions . . . . . . . . . . . . . . . . 11
5 ZF078-150 Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . . 11
6 Side Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
9 ZF078-150 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . 31
11 Gas Pipe Sizing - Capacity of Pipe . . . . . . . . . . . . . . . . . . . 32
12 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . . . 33
13 Simplicity SE Economizer Board Details . . . . . . . . . . . . . . 39
14 Supply Air Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
15 Altitude/Temperature Correction Factors . . . . . . . . . . . . . . 44
1 Unit Shipping Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Condenser Covering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Compressor Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
®
4 Predator
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 ZF078-120 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
9 ZF150 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
10 ZF078-150 Unit Bottom Duct Openings . . . . . . . . . . . . . . 12
11 ZF078-150 Unit Electrical Entry . . . . . . . . . . . . . . . . . . . . 13
12 ZF078-120 Unit Side Duct Openings . . . . . . . . . . . . . . . . 13
13 ZF150 Unit Side Duct Openings . . . . . . . . . . . . . . . . . . . . 14
14 ZF078-150 Unit Left Duct Opening . . . . . . . . . . . . . . . . . . 14
15 ZF078-150 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
16 ZF078-150 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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Control Board Navigation Components . . . . . . . . . . . . . . . . . . . 62
Unit Control Board Navigation Examples:. . . . . . . . . . . . . . . 63
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
TABLE OF CONTENTS
18 RPM Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
19 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . . 50
20 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . . . 50
21 Motor Sheave Datum Diameters . . . . . . . . . . . . . . . . . . . . 52
22 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . . . 53
23 Electric Heat Limit Setting 50" Cabinet . . . . . . . . . . . . . . . . 57
24 Electric Heat Limit Setting 42" Cabinet . . . . . . . . . . . . . . . . 57
25 Electric Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . 57
26 Gas Heat Limit Control Settings . . . . . . . . . . . . . . . . . . . . . 59
27 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . . 59
28 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . . . 61
29 Gas Heat Stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
30 Simplicity SE UCB Details . . . . . . . . . . . . . . . . . . . . . . . . . 65
31 Ignition Control Flash Codes . . . . . . . . . . . . . . . . . . . . . . . 70
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 ZF078

  • Page 1: Table Of Contents

    8 ZF078-120 ........
  • Page 2: General

    Be sure to follow all other applicable safety precautions and codes including ANSI Z223.1 or CSA- B149.1- latest edition. Johnson Controls Unitary Products...
  • Page 3 Additional information is available in the following reference forms: • Technical Guide - ZF078-150, 528194 • General Installation - ZF078-150, 1183755 Improper installation may create a condition where the • SSE Control Quick Start Guide 1136326 operation of the product could cause personal injury or •...
  • Page 4 Y = Options 4 & 5 Z = Options 3, 4 & 5 Options 1 = Disconnect 2 = Non-Pwr'd Conv. Outlet 3 = Smoke Detector S.A. 4 = Smoke Detector R.A. 5 = Pwr'd Conv. Outlet Johnson Controls Unitary Products...
  • Page 5: Installation

    230v and 415v power supply respectively. Change Tap on transformer for 208-3-60 or 380-3-50 operation. Figure 1: Unit Shipping Bracket See unit wiring diagram. Turn each bracket toward the ground and the protective plywood covering will drop to the ground. Johnson Controls Unitary Products...
  • Page 6: Limitations

    Side entry power York Sunline™ footprint to Toolless (high-efficiency compressor and control wiring the ZF Series footprints door latch w/crankcase heater) knockouts are also available (field installed accessory) ® Figure 4: Predator Component Location (ZF120 Shown) Johnson Controls Unitary Products...
  • Page 7: Location

    1183755-YIM-A-1014 Table 1: ZF078-150 Unit Limitations Unit Limitations Size Model Unit Voltage Applied Voltage Outdoor DB Temp (Tons) Max (°F) 208/230-3-60 460-3-60 (6.5) 575-3-60 208/230-3-60 460-3-60 (7.5) 575-3-60 208/230-3-60 460-3-60 (8.5) 575-3-60 208/230-3-60 460-3-60 (10) 575-3-60 208/230-3-60 460-3-60 (12.5) 575-3-60...
  • 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) 1012 1007 (8.5) 1065 1060 (10) 1258 1253 (12.5) Johnson Controls Unitary Products...
  • Page 9: Zf078-150 Unit Accessory Weights

    1183755-YIM-A-1014 Table 3: ZF078-150 Unit Accessory Weights Weight (lbs.) Unit Accessory Shipping Operating Economizer Power Exhaust Electric Heat Gas Heat Variable Frequency Drive 1. Weight given is for the maximum heater size available (54KW). 2. Weight given is for the maximum number of tube heat exchangers available (8 tube).
  • Page 10: Zf150

    1183755-YIM-A-1014 45.64 14.92 4X Ø 24.38 14.92 58.09 14.92 29.95 30.11 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 9: ZF150 Johnson Controls Unitary Products...
  • Page 11: Zf078-150 Unit Physical Dimensions

    1183755-YIM-A-1014 Table 4: ZF078-150 Unit Physical Dimensions Dimension (in.) Unit Model Number ZF078 22 1/8 18 3/16 15 3/16 6 3/16 ZF090 22 1/8 18 3/16 15 3/16 6 3/16 ZF102 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16...
  • Page 12: Zf078-150 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: ZF078-150 Unit Bottom Duct Openings Johnson Controls Unitary Products...
  • Page 13: Zf078-150 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: ZF078-120 Unit Side Duct Openings Johnson Controls Unitary Products...
  • Page 14: Side Duct Dimensions

    ZF102 28 1/4 18 1/16 28 1/4 18 1/4 ZF120 28 1/4 18 1/16 28 1/4 18 1/4 ZF150 28 1/4 18 1/16 28 1/4 18 1/4 30-3/8 4-5/16 Figure 14: ZF078-150 Unit Left Duct Opening Johnson Controls Unitary Products...
  • Page 15: Ductwork

    76-5/8 59-1/4 FRONT RIGHT 64-1/4 Figure 16: ZF078-150 Transition Roof Curb Ductwork supply and return air duct connections at the unit should be made with flexible joints to minimize noise. Ductwork should be designed and sized according to the The supply and return air duct systems should be designed for methods in Manual D of the Air Conditioning Contractors of the CFM and static pressure requirements of the job.
  • Page 16: Side Panels

    Plumbing must conform to local codes. Use a sealing compound on male pipe threads. Install condensate drain line from the 3/4 inch NPT female connection on the unit to an open drain. Figure 18: Return Downflow Plenum With Panel Johnson Controls Unitary Products...
  • Page 17: Compressors

    A disconnect must be utilized for these units. Factory installed compressor replacement, repairing refrigerant leaks, replacing disconnects are available. If installing a disconnect (field ® supplied or York International supplied accessory), refer to Figure 4 for the recommended mounting location. 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: Field Wiring Disconnect - Cooling Unit With Gas Heat Without Vfd Option

    1183755-YIM-A-1014 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 Unitary Products...
  • 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 Unitary Products...
  • Page 21: Electrical Data

    1183755-YIM-A-1014 Table 8: Electrical Data ZF078-150 Standard Motor - Without Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ (Tons)
  • Page 22 1183755-YIM-A-1014 ZF078-150 Standard Motor - Without Powered Convenience Outlet (Continued) OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ (Tons) (Amps) Size Pwr Exh...
  • Page 23 1183755-YIM-A-1014 ZF078-150 Hi Static Motor - Without Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ Pwr (Tons) (Amps) Size...
  • Page 24 1183755-YIM-A-1014 ZF078-150 Hi Static Motor - Without Powered Convenience Outlet (Continued) OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ Pwr (Tons) (Amps)
  • Page 25 1183755-YIM-A-1014 ZF078-150 Standard Motor - With Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ Pwr (Tons) (Amps) Size (Amps)
  • Page 26 1183755-YIM-A-1014 ZF078-150 Standard Motor - With Powered Convenience Outlet (Continued) OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ Pwr (Tons) (Amps) Size...
  • Page 27 1183755-YIM-A-1014 ZF078-150 Hi Static Motor - With Powered Convenience Outlet OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ Pwr (Tons) (Amps) Size...
  • Page 28 1183755-YIM-A-1014 ZF078-150 Hi Static Motor - With Powered Convenience Outlet (Continued) OD Fan Supply Max Fuse Compressors Max Fuse Motors Blower Conv Electric Heat Option Breaker (each) Size w/Pwr Breaker (each) Motor Motor Outlet Volt Size w/ Pwr (Tons) (Amps)
  • Page 29: Zf078-150 Physical Data

    1183755-YIM-A-1014 Table 9: ZF078-150 Physical Data Models Component ZF078 ZF090 ZF102 ZF120 ZF150 Nominal Tonnage 12.5 AHRI COOLING PERFORMANCE Gross Capacity @ AHRI A point (Mbh) 81000 90000 104000 126000 156000 AHRI net capacity (Mbh) 78000 88000 100000 120000 150000 11.2...
  • Page 30 1183755-YIM-A-1014 Table 9: ZF078-150 Physical Data (Continued) Models Component ZF078 ZF090 ZF102 ZF120 ZF150 Nominal Tonnage 12.5 CONDENSER FAN DATA Quantity of Fans Fan diameter (Inch) Type Prop Prop Prop Prop Prop Drive type Direct Direct Direct Direct Direct Quantity of motors Motor HP each No.
  • 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

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

    The LINE/DRIVE/TEST switch must be manually supply air duct and convert this pressure measurement to a switched to the LINE (BYPASS) position. If there is a call for the proportional 0-5 VDC electrical output. Pressure-transmitting Johnson Controls Unitary Products...
  • Page 36: Simplified Vfd Wiring

    Once the appropriate relay and capacitor are obtained, install the capacitor across LR terminals '3' & '4' and make the Do not connect AC power to the T1, T2, T3 drive following wiring connections: terminals to prevent damage to the VFD. Johnson Controls Unitary Products...
  • Page 37: Optional Hot Gas Bypass (Hgbp)

    Economizer Setpoint +/- 1°F (default 55°F). Auto. If the thermostat provides an input to Y2 and the parameter Compressors Off in Free Cooling is turned OFF a compressor output energizes. The economizer dampers continue to Johnson Controls Unitary Products...
  • Page 38: Power Exhaust

    Economizer Damper Position For Exhaust Fan On. returns to minimum position. De-energizes exhaust fan when economizer output is below the Economizer Damper Position for Exhaust Fan OFF Johnson Controls Unitary Products...
  • Page 39: Simplicity Se Economizer Board Details

    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 Unitary Products...
  • Page 40 Non-Modulating, Modulating Damper or Variable EX-FAN fan contactor coil/VFD enable relay coil Frequency Fan. Used to turn on/enable the power exhaust fan motor. 24 VAC common/0-10 VDC negative for Connects through circuit trace to 24V~ IN pin COM economizer actuator Johnson Controls Unitary Products...
  • Page 41 10 VDC; Fr Air parameter reports input status (0- station sensor 50000CFM/23595lps). Used for economizer minimum position reset in speed-controlled indoor blower applications. 24 VAC common/0-10 VDC negative for the air Connects through circuit trace to 24V~ IN pin COM monitoring station sensor Johnson Controls Unitary Products...
  • Page 42: Supply Air Limitations

    If the blower or compressors rotate 102 (8.5) 2550 4250 in the wrong direction at start-up, the electrical connection to 120 (10) 3000 5000 the unit is misphased. Change the phasing of the Field Line 150 (12.5) 3750 6250 Johnson Controls Unitary Products...
  • Page 43: Belt Adjustment

    Air density correction factors are shown in Table 15 and Figure 30. Johnson Controls Unitary Products...
  • Page 44: 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 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

    1183755-YIM-A-1014 Airflow Performance Table 16: Airflow Performance - Side Duct Application ZF078 (6.5 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 1.5 HP &...
  • 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

    1183755-YIM-A-1014 Table 17: Airflow Performance - Bottom Duct Application ZF078 (6.5 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 Drive Standard 1.5 HP &...
  • 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. ZF078 0.45 ZF102 ZF090 ZF120 ZF150 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

    Y2 energize the C2 output respectively. compressor outputs stage off. A Y2 input without a Y1 input energizes C1 first and then C2 30 seconds later. Johnson Controls Unitary Products...
  • Page 54 Temp Reset Set point" the SAT will be maintained at +/- 5 voltage control circuit from "R" to "Y2" is completed. The UCB degrees of the "VAV Cooling Supply Air Temp Lower Set point". energizes the first available compressor. If the enthalpy of the Johnson Controls Unitary Products...
  • Page 55: Cooling Operation Errors

    ASCD and the freezestat hours of operation, the UCB will lock-out the associated has closed, the unit will resume operation. compressor. If the other compressor is inactive, the condenser fans will be de-energized. Johnson Controls Unitary Products...
  • Page 56: Electric Heating Sequence Of Operations

    Electric Heat Limit Setting Tables 23 and 24. It resets automatically. The limit switch operates when a high temperature condition, caused by inadequate supply air flow occurs, thus shutting down the heater and energizing the blower. Johnson Controls Unitary Products...
  • Page 57: Gas Heating Sequence Of Operations

    SWITCH OPENS °F elapsed. When the thermostat has been satisfied, heating calls are ZF078, 090 (6.5, 7.5) 208/230 ceased. The GV is immediately closed. The blower is de- energized after the fan off delay for heating has elapsed. The draft motor performs a 30-second post purge.
  • Page 58: Gas Heating Operation Errors

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

    Remove the call for heating by lowering the thermostat setting Post Start Check List lower than the conditioned space temperature. This resets any flash codes. Verify proper system pressures for both circuits. Measure the temperature drop across the evaporator coil. Johnson Controls Unitary Products...
  • Page 60: Start-Up (Gas Heat)

    (greater than 60% input). Repeat the operating pressure drop below 4.5 in for natural gas Steps 1-6. units. If gas pressure is outside these limits, contact the local gas utility or propane supplier for corrective action. 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

    Simplicity® SE control please refer to LIT-12011950 on www.upgnet.com under Product Center \ Equipment Catalog \ Commercial Products \ Zoning Systems and HEAT EXCHANGER TUBE Controls. SUPPLY PIPE BURNER BURNER FLAME (BLUE ONLY) BURNER BRACKET IGNITOR Figure 32: Typical Flame Johnson Controls Unitary Products...
  • Page 63: Simplicity™ Se (Smart Equipment) Firmware Version 3. Basic

    OprOAT 70.5 F 70.5 F 70.5 F ENTER ENTER ENTER CANCEL CANCEL CANCEL JOY + JOY + JOY + C PWR C PWR C PWR Press the “Cancel” button to exit each menu level. Repeatedly pressing Johnson Controls Unitary Products...
  • Page 64 ENTER ““ENTER”” button to save the value. CANCEL JOY + C PWR These few pages provide a simple demonstration how to navigate the menu’s of the Simplicity SE control containing Johnson Controls Unitary Products...
  • Page 65: Simplicity Se 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 Multi Touch gateway 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 Johnson Controls Unitary Products...
  • Page 70: 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 71: 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 72 1034349-UCL-B-0814 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 73 See Notes sensor installed Check economizer setting A Prove economizer open/close through PC or Control Module Reheat Mode Normal or Alternate Not Applicable Humidistat Location _____________________________________________ Note: BAS System Control Reheat through Intellicomfort/VAV Board Unitary Products Group Johnson Controls Unitary Products...
  • Page 74 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 75 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 76: 1183755-Yim-A-1014

    ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ Subject to change without notice. Printed in U.S.A. 1183755-YIM-A-1014 Copyright © 2014 by Johnson Controls, Inc. All rights reserved. Supersedes: 853404-YIM-D-0614 York International Corporation 5005 York Drive Norman, OK 73069...

This manual is also suitable for:

Zf seriesZf090Zf102Zf120Zf150

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