York ZWT06 Installation Manual
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York ZWT06 Installation Manual

York ZWT06 Installation Manual

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R-410A
ZW 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 ZWT06 thru T12 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 ZWT06 thru T12 Unit Accessory Weights . . . . . . . . . . . . . . . . 9
4 ZWT06 thru T12 Unit Physical Dimensions . . . . . . . . . . . . . . 11
5 ZWT06 thru T12 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 ZW Component Location (ZWT10 Shown) . . . . . . . . . . . . . . . 6
5 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
8 ZWT06 thru T10 Physical Dimensions . . . . . . . . . . . . . . . . . . 9
9 ZWT12 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 10
11 ZWT06 thru T12 Unit Electrical Entry . . . . . . . . . . . . . . . . . . 13
12 ZWT06 thru T10 Unit Side Duct Openings . . . . . . . . . . . . . . 13
13 ZWT12 Unit Side Duct Openings . . . . . . . . . . . . . . . . . . . . . 14
14 ZWT06 thru T12 Unit Left Duct Opening . . . . . . . . . . . . . . . 14
15 ZWT06 thru T12 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . 15
16 ZWT06 thru T12 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 . . . . . . . . . . . . . . . . . . . . 56
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-ECO1001-1 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
5565606-TIM-B-1018

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Summary of Contents for York ZWT06

  • Page 1: Table Of Contents

    30 Altitude/Temperature Correction Factors ....43 15 ZWT06 thru T12 Roof Curb ......15 31 Dry Coil Delta P .

  • Page 2: General

    5565606-TIM-B-1018 General TempMaster ZW units are single package air conditioners with optional gas heating designed for outdoor installation on a Before performing service or maintenance operations on rooftop or slab and for non-residential use. These units can be unit, turn off main power switch to unit. Electrical shock equipped with factory or field installed electric heaters for could cause personal injury.
  • Page 3 Reference Additional information is available in the following reference forms: • Technical Guide - ZWT06 thru T12, 5123247 Improper installation may create a condition where the • General Installation - ZWT06 thru T12, 5565606 operation of the product could cause personal injury or •...
  • Page 4 5565606-TIM-B-1018 Nomenclature 3-12.5 Ton Model Number Nomenclature Z W T10 N 18 A 2 A A C 2 1 B A 8 Product Category Product Generation 7 = Seventh Generation Z = A/C, Single Pkg., R-410A 8 = Eighth Generation Product Identifier Coated Coils W = 12.2 EER...

  • Page 5: Installation

    5565606-TIM-B-1018 Remove the toolless doorknobs and instruction packet Installation prior to installation. Installation Safety Information Condenser Read these instructions before continuing this appliance Coil External installation. This is an outdoor combination heating and cooling Protective unit. The installer must assure that these instructions are made Covering available to the consumer and with instructions to retain them for future reference.

  • Page 6: Zw Component Location (Zwt10 Shown)

    5565606-TIM-B-1018 Gas-Fired Central Furnace Standard, ANSI Z21.47 Latest Size of unit for proposed installation should be based on heat Edition loss/heat gain calculation made according to the methods of Air Conditioning Contractors of America (ACCA). Local building codes, and This furnace is not to be used for temporary heating of buildings Local gas utility requirements or structures under construction.

  • Page 7: Location

    5565606-TIM-B-1018 Table 1: ZWT06 thru T12 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)

  • Page 8: Weights And Dimensions

    5565606-TIM-B-1018 Before lifting, make sure the unit weight is distributed equally on the rigging cables so it will lift evenly. Units may be moved or lifted with a forklift. Slotted openings in the base rails are provided for this purpose. LENGTH OF FORKS MUST BE A MINIMUM OF 60 INCHES.

  • Page 9: Zwt06 Thru T12 Unit Accessory Weights

    5565606-TIM-B-1018 Table 3: ZWT06 thru T12 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: Zwt12 Physical Dimensions

    5565606-TIM-B-1018 28.86 29.66 44.09 15.23 14.85 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: ZWT12 Physical Dimensions Johnson Controls Ducted Systems...

  • Page 11: Zwt06 Thru T12 Unit Physical Dimensions

    5565606-TIM-B-1018 Table 4: ZWT06 thru T12 Unit Physical Dimensions Dimension (in.) Unit Model Number ZWT06 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 ZWT07 50 3/4 30 3/16 24 3/16 17 3/16 6 3/16 ZWT08 50 3/4 30 3/16...

  • Page 12: Zwt06 Thru T12 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: ZWT06 thru T12 Unit Bottom Duct Openings Johnson Controls Ducted Systems...

  • Page 13: Zwt06 Thru T12 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: ZWT06 thru T10 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 ZWT10 28 1/4 18 1/16 28 1/4 18 1/4 ZWT12 28 1/4 18 1/16 28 1/4 18 1/4 4-5/16 Figure 14: ZWT06 thru T12 Unit Left Duct Opening Johnson Controls Ducted Systems...

  • Page 15: Left/End Duct Dimensions

    50-1/2 COMPRESSOR SECTION FRONT 8 or 14 Figure 15: ZWT06 thru T12 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: ZWT06 thru T12 Transition Roof Curb Johnson Controls Ducted Systems...

  • Page 16: Ductwork

    5565606-TIM-B-1018 Ductwork Ductwork should be designed and sized according to the methods in Manual D of the Air Conditioning Contractors of America (ACCA) or as recommended by any other recognized authority such as ASHRAE or SMACNA. A closed return duct system should be used. This will not preclude use of economizers or outdoor fresh air intake.

  • Page 17: Compressors

    5565606-TIM-B-1018 for piping inside the roof curb. Trap the connection per Figure 21. The trap and drain lines should be protected from freezing. Plumbing must conform to local codes. Use a sealing compound on male pipe threads. Install condensate drain line from the 1 Exposure, even if immediately cleaned up, may cause inch NPT female connection on the unit to an open drain.

  • Page 18: Field Wiring Disconnect - Cooling Unit With/Without Electric Heat And All Units With Vfd Option

    5565606-TIM-B-1018 The internal wiring harnesses furnished with this unit are an a separate branch circuit fed directly from the meter panel and integral part of the design certified unit. Field alteration to properly fused. comply with electrical codes should not be required. If any of Refer to Figures 22, 23 and 24 for typical field wiring and to the the wire supplied with the unit must be replaced, replacement appropriate unit wiring diagram mounted inside control doors...

  • Page 19: Field Wiring Disconnect - Cooling Unit With Gas Heat Without Vfd Option

    5565606-TIM-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

    5565606-TIM-B-1018 unit. Refer to Table 8 for control wire sizing and maximum Thermostat Wiring length. The thermostat should be located on an inside wall approximately 56 inch above the floor where it will not be Table 8: Control Wire Sizes subject to drafts, sun exposure or heat from electrical fixtures or appliances.

  • Page 21: Electrical Data

    5565606-TIM-B-1018 Table 9: Electrical Data ZWT06 thru T12 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/ Pwr...
  • Page 22 5565606-TIM-B-1018 ZWT06 thru T12 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/ Pwr (Tons)
  • Page 23 5565606-TIM-B-1018 ZWT06 thru T12 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)
  • Page 24 5565606-TIM-B-1018 ZWT06 thru T12 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...
  • Page 25 5565606-TIM-B-1018 ZWT06 thru T12 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)
  • Page 26 5565606-TIM-B-1018 ZWT06 thru T12 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)
  • Page 27 5565606-TIM-B-1018 ZWT06 thru T12 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)
  • Page 28 5565606-TIM-B-1018 ZWT06 thru T12 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...

  • Page 29: Physical Data

    5565606-TIM-B-1018 Table 10: Physical Data ZWT06 thru T12 Physical Data Models Component ZWT06 ZWT07 ZWT08 ZWT10 ZWT12 Nominal Tonnage 12.5 AHRI COOLING PERFORMANCE Gross Capacity @ AHRI A point (Btu) 76000 88000 99700 124000 154000 AHRI net capacity (Btu) 74000...
  • Page 30 5565606-TIM-B-1018 ZWT06 thru T12 Physical Data (Continued) Models Component ZWT06 ZWT07 ZWT08 ZWT10 ZWT12 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

    5565606-TIM-B-1018 These CSA approved heaters are located within the central Optional Electric Heat compartment of the unit with the heater elements extending in The factory-installed heaters are wired for single point power to the supply air chamber. supply. Power supply need only be brought into the single point Fuses are supplied, where required, by the factory.

  • Page 32: Gas Pipe Sizing - Capacity Of Pipe

    5565606-TIM-B-1018 Table 12: Gas Pipe Sizing - Capacity of Pipe Nominal Iron Pipe Size Length of Pipe (ft.) 3/4 in. 1 in. 1-1/4 in. 1050 OPTIONAL COIL GUARD SHOWN NOTE: Maximum capacity of pipe in cubic feet of gas per hour based upon a pressure drop of 0.3 inch W.C.

  • Page 33: Options/Accessories

    5565606-TIM-B-1018 A 1/8-inch NPT plugged tapping, accessible for test gage The proper pressure regulation. (Two-stage regulation is connection, must be installed immediately upstream of the recommended). gas supply connection to the unit. The pressure drop in the lines between regulators and After the gas connections have been completed, open the between the second stage regulator and the appliance.

  • Page 34: Optional Variable Air Volume (Vav)

    5565606-TIM-B-1018 Smoke Detectors Economizer The Economizer can be a factory installed option or a field installed accessory. If factory installed, refer to the instructions included with the outdoor air hood to complete the assembly. Field installed Economizer accessories include complete The use of duct smoke detectors have specific limitations instructions for installation.
  • Page 35 5565606-TIM-B-1018 the transducer to a static pressure tap (field supplied) in the • LINE (or BYPASS) - routes power directly to the motor supply duct located at a point where constant pressure is which provides full-speed motor operation and complete expected.

  • Page 36: Optional Hot Gas Bypass (Hgbp)

    5565606-TIM-B-1018 The VFD should also be grounded per the manufacturer's Economizer Minimum Position specifications. The economizer minimum position is set during occupied mode when outside air is not suitable for free cooling. The position of the damper is set proportionally between the "Economizer ELEMENTARY DIAGRAM Minimum Position and the Economizer Minimum Position Low 1 DMTR...

  • Page 37: Free Cooling Operation

    5565606-TIM-B-1018 If at any time the economizer output goes above the minimum Free Cooling Operation position the timer stops and resets when the economizer output When the control determines that the outside air is suitable, the returns to minimum position. first stage of cooling will always be free cooling.

  • Page 38: Smart Equipment™ Economizer Board Details

    5565606-TIM-B-1018 Figure 28: SE-ECO1001-1 Economizer Controller Table 14: Smart Equipment™ Economizer Board Details Board Cover Description Function & Comments Label Label Directional orientation: viewed with the center text of the cover label upright ANALOG INPUTS Terminal at left on upper edge of economizer board 24 VAC common/0-10 VDC negative for Connects through circuit trace to 24V~ IN pin COM economizer actuator position feedback...
  • Page 39 5565606-TIM-B-1018 Table 14: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label SA BUS Pin connections at left on upper edge of economizer board EconCtrlr parameter reports UCB-to-economizer board SA bus communication status. Negative of the SA BUS communication Common for SA BUS power and circuit to the UCB.
  • Page 40 5565606-TIM-B-1018 Table 14: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label 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.

  • Page 41: Supply Air Limitations

    5565606-TIM-B-1018 Table 14: Smart Equipment™ Economizer Board Details (Continued) Board Cover Description Function & Comments Label Label 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.

  • Page 42: Belt Adjustment

    5565606-TIM-B-1018 Procedure for adjusting belt tension: 1. Loosen six nuts (top and bottom) A. 2. Adjust by turning (B). 3. Never loosen nuts (C). 4. Use belt tension checker to apply a perpendicular * NEVER LOOSEN force to one belt at the midpoint of the span as shown.

  • Page 43: Altitude/Temperature Correction Factors

    5565606-TIM-B-1018 Table 16: Altitude/Temperature Correction Factors Altitude (Ft.) Temp. 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 1.060 1.022 0.986 0.950 0.916 0.882 0.849 0.818 0.788 0.758 0.729 1.039 1.002 0.966 0.931 0.898 0.864 0.832 0.802 0.772 0.743 0.715 1.019 0.982...
  • Page 44 5565606-TIM-B-1018 Drive Selection Determine side or bottom supply duct Application. Determine desired airflow. Calculate or measure the amount of external static pressure. Using the operating point determined from steps 1, 2 & 3, locate this point on the appropriate supply air blower performance table.

  • Page 45: Airflow Performance

    5565606-TIM-B-1018 Airflow Performance Table 17: Airflow Performance - Side Duct Application ZWT06 (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 Standard 1.5 HP &...
  • Page 46 5565606-TIM-B-1018 ZWT10 (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

    5565606-TIM-B-1018 Table 18: Airflow Performance - Bottom Duct Application ZWT06 (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 Standard 1.5 HP &...

  • Page 48: Rpm Selection

    5565606-TIM-B-1018 ZWT10 (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

    5565606-TIM-B-1018 Table 20: Indoor Blower Specifications Motor Motor Sheave Blower Sheave Size Model Datum Dia. Datum Dia. Belt (Tons) Eff. Frame Bore (in.) Model Bore (in.) Model (in.) (in.) 1-1/2 1725 1.15 2.6 - 3.6 1VL40 AK74 (6.5) 1725 1.15 3.6 - 4.6 1VM50 AK74...

  • Page 50: Dry Coil Delta P

    Failure to properly adjust the total system air quantity measurement, be certain that the air filters are clean. can result in extensive blower damage. Determine the number of turns the variable motor sheave is open. ZWT06 ZWT07 0.45 ZWT08 ZWT10 ZWT12 0.35...

  • Page 51: Motor Sheave Datum Diameters

    5565606-TIM-B-1018 EXAMPLE Supply Air Drive Adjustment A 12.5 ton unit was selected to deliver 4,000 CFM with a 3 HP motor, but the unit is delivering 3,800 CFM. The variable pitch motor sheave is set at 2 turns open. Before making any blower speed changes review the Use the equation to determine the required DD for the new installation for any installation errors, leaks or undesirable motor sheave,...

  • Page 52: Operation

    5565606-TIM-B-1018 Table 23: Additional Static Resistance Electric Heat kW Size Model Cooling Only Economizer 4” Filter (Tons) 1900 0.06 0.02 0.12 0.05 0.06 0.07 0.08 0.10 2100 0.07 0.02 0.13 0.06 0.07 0.08 0.09 0.11 2300 0.08 0.04 0.14 0.07 0.08 0.09 0.10...
  • Page 53 5565606-TIM-B-1018 of cooling continues for 20 minutes, compressor #2 is Optional VAV Start-up and Control energized, provided it has not been locked-out. If there is an initial call for both stages of cooling, the UCB will delay energizing compressor #2 by 30 seconds in order to avoid a power rush.

  • Page 54: Cooling Operation Errors

    5565606-TIM-B-1018 will de-energize the associated compressor, initiate the ASCD, Economizer With Power Exhaust and, if the other compressor is idle, stop the condenser fans. A unit equipped with an economizer (single or dual enthalpy) and a power exhaust operates as specified above with one If the call for cooling is still present at the conclusion of the addition.

  • Page 55: Electric Heating Sequence Of Operations

    HEATER heat section. UNIT (TONS) VOLTAGE SWITCH OPENS °F ZWT06, 07 (6.5, 7.5) For units with VFD and electric heat, the speed of the 208/230 indoor blower motor continues to be controlled by duct ZWT08, T10, T12 static pressure via the Smart Equipment™ control (8.5,10, 12.5)

  • Page 56: Gas Heating Sequence Of Operations

    5565606-TIM-B-1018 At the conclusion of the flame stabilization period, the ICB will Electric Heat Anticipator Setpoints operate the gas heat in high fire for an additional 60 seconds It is important that the anticipator setpoint be correct. Too high (for a total for 120 seconds of high fire operation). After this 60 of a setting will result in longer heat cycles and a greater seconds, the ICB will then use the call for the second stage of temperature swing in the conditioned space.

  • Page 57: Gas Heat Limit Control Settings

    Main Limit Setting °F Size Opt. If “W1” is present, a flame is sensed, but the GV is not (N,S)12 ZWT06 energized, the draft motor is energized until the flame detection (N,S)18 is lost. Normal operation is now allowed. (N,S)12 ZWT07 (N,S)18 The flame detection circuitry continually tests itself.

  • Page 58: Start-Up (Cooling)

    5565606-TIM-B-1018 value below the correct setpoint will give shorter “ON cycles Make sure that the vent outlet and combustion air inlet are and may result in the lowering of the temperature within the free of any debris or obstruction. conditioned space. Refer to Table 27 for the required gas heat Operating Instructions anticipator setting.

  • Page 59: Checking Gas Heat Input

    5565606-TIM-B-1018 Checking Gas Heat Input Table 28: Gas Rate Cubic Feet Per Hour Size of Test Dial Seconds for This unit has two stages of gas heat. The first stage is 60% of One Rev. 1/2 cu. ft. 1 cu. ft. the full fire input and is considered the minimum input for the furnace.

  • Page 60: Charging The Unit

    5565606-TIM-B-1018 If necessary, using a screwdriver, turn the second stage Open the union fitting just upstream of the unit gas valve adjustment screw (adjacent to the “HI” marking on the and downstream from the main manual shut-off valve in valve) clockwise to increase manifold pressure or the gas supply line.

  • Page 61: Control Board Navigation Components

    5565606-TIM-B-1018 MAP Gateway Quick Start Guide P/N 24-10737-16 Control Board Navigation Components MAP Gateway Instruction P/N 24-10737-8 The following components are needed to access the control For more information on the Smart Equipment™ unit control board points in the Smart Equipment™ control. Installation and navigation, refer to the Smart Equipment™...

  • Page 62: Smart Equipment™ Ucb Details

    5565606-TIM-B-1018 Table 30: Smart Equipment™ UCB Details Description Function & Comments Terminal Directional orientation: viewed with silkscreen labels upright Limit, 24 VAC power and shutdown connections from unit wiring harness at left on upper edge of UCB Monitored 24 VAC input through heat section limit If voltage is absent, indicating the heat section is over- LIMIT switch(es)
  • Page 63 5565606-TIM-B-1018 Table 30: Smart Equipment™ UCB Details (Continued) Description Function & Comments 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) Green UCB SA bus communication transmission...
  • Page 64 5565606-TIM-B-1018 Table 30: Smart Equipment™ UCB Details (Continued) Description Function & Comments DFS (lower pin) 24 VAC hot out for Dirty Filter Switch Connects through circuit trace to the R terminal When this optional input is enabled: the air proving switch must close within 30 seconds of initiation of indoor blower operation and not open for greater than 10 seconds during indoor blower APS (upper pin)
  • Page 65 5565606-TIM-B-1018 Table 30: Smart Equipment™ UCB Details (Continued) Description Function & Comments Pin Refrigerant circuit safety switch and indoor blower overload connections at center on lower edge of UCB 24 VAC hot out for refrigerant circuit 1 High HPS1 Connects through circuit trace to the R terminal (right pin) Pressure Switch Input is only considered if C1 output is needed;...
  • Page 66 5565606-TIM-B-1018 Table 30: Smart Equipment™ UCB Details (Continued) Description Function & Comments Also incorporated in the J8 6-pin phone jack connector at the left-center of the board. Positive of the VDC (typically, a fluctuating 1.5 to 3.5 volts reading to C; at least 0.25 volts Communication for SA BUS devices higher than –) SA BUS communication circuit to optional economizer board, 4-stage board, fault detection &...

  • Page 67: Cable For Fc Buses And Sa Buses In Order Of Preference . 67 32 Ignition Control Flash Codes

    5565606-TIM-B-1018 Table 31: Cable for FC Buses and SA Buses in Order of Preference Non-Plenum Applications Plenum Applications Bus and Cable Type Part Number O.D. Part Number O.D. Anixter: Anixter: CBL-22/3-FC-PLN CBL-22/3-FC-PVC 0.138 in. 0.140 in. FC Bus: 22 AWG Stranded, 3-Wire Twisted Shielded Cable Belden: B6501FE Belden®: B5501FE Anixter:...

  • Page 68: Start-Up Sheet

    5565606-TIM-B-1018 Start-Up Sheet Johnson Controls Ducted Systems...
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  • Page 73 Subject to change without notice. Printed in U.S.A. 5565606-TIM-B-1018 Copyright © 2018 by Johnson Controls, Inc. All rights reserved. Supersedes: 5565606-TIM-A-0818 York International Corporation 5005 York Drive Norman, OK 73069...

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