Johnson Controls ZST12 Manuals

Manuals and User Guides for Johnson Controls ZST12. We have 1 Johnson Controls ZST12 manual available for free PDF download: Installation Manual

Johnson Controls ZST12 Installation Manual (77 pages)

Brand: Johnson Controls | Category: Air Conditioner | Size: 2 MB

Table of Contents
1
General
2
Installation
5
Preceding Installation
5
Unit Shipping Bracket
5
Condenser Covering
5
Compressor Section
5
Limitations
6
Unit Components
7
Component Location Table
7
ZS Component Location
7
Location
8
Clearances
8
Rigging and Handling
8
ZST06 through T12 Unit Limitations
8
ZST06 through T12 Weights and Dimensions
9
Unit 4 Point Load Weight
9
Unit 6 Point Load Weight
9
Center of Gravity
9
ZST06 through T12 Unit Accessory Weights
10
ZST06 through T10 Unit Physical Dimensions
10
ZST06 through T10 Physical Dimensions
10
ZST12 Unit Physical Dimensions
11
ZST12 Physical Dimensions
11
Gas Inlet and Drain Components
12
ZST06 through T12 Unit Clearances
12
ZST06 through T12 Unit Bottom Duct Openings
13
ZST06 through T12 Unit Electrical Entry
14
ZST06 through T10 Side Duct Dimensions
15
ZST12 Side Duct Dimensions
15
ZST06 through T10 Unit Side Duct Openings
15
ZST12 Unit Side Duct Openings
15
Left/End Duct Dimensions
16
ZST06 through T12 Unit Left Duct Opening
16
Roof Curbs
17
Roof Curb Components
17
ZST06 through T12 Roof Curb
17
ZST06 through T12 Transition Roof Curb
17
Ductwork
18
Side Panels
18
Side Panels with Hole Plugs
18
Return Downflow Plenum with Panel
18
Discharge Panel in Place
18
Condensate Drain
19
Compressors
19
Filters
19
Side Panels for Economizer Hood Tops
19
Power and Control Wiring
20
Field Wiring Disconnect - Cooling Unit with or Without Electric Heat and All Units with a VFD Option
21
Field Wiring Disconnect - Cooling Unit with Gas Heat Without a VFD Option
21
Control Wire Sizes
22
Typical Electronic Thermostat Field Wiring
22
Electrical Data
23
ZST06 through T12 Physical Data
31
Optional Electric Heat
33
Electric Heat Minimum Supply Air
33
Optional Gas Heat
34
Gas Pipe Sizing - Capacity of Pipe
34
Side Entry Gas Piping
34
Bottom Entry Gas Piping
34
Gas Heat Minimum Supply Air
35
Options and Accessories
36
Optional Variable Air Volume
37
Simplified VFD Wiring
38
Optional Hot Gas Bypass (HGBP)
39
Economizer Sequences
39
Dry Bulb Changeover
39
Single Enthalpy Changeover
39
Dual Enthalpy Changeover
39
Auto
39
Free Cooling Operation
39
Power Exhaust
40
Smart Equipment™ Economizer Board
41
SE-ECO1001-0 Economizer Controller
41
Supply Air Limitations
45
Belt Adjustment
45
Altitude/Temperature Correction Factors
46
Airflow Performance
48
Airflow Performance - Side Duct Application
48
Airflow Performance - Bottom Duct Application
50
RPM Selection
51
Air Balance
52
Checking Air Quantity
52
Indoor Blower Specifications
52
Power Exhaust Specifications
52
Dry Coil Delta P
53
Motor Sheave Datum Diameters
54
Operation
55
Cooling Sequence of Operation
55
Additional Static Resistance
55
Cooling Operation Errors
57
Electric Heating Sequence of Operations
58
Electric Heat Operation Errors
58
Gas Heating Sequence of Operations
59
Ignition Control Board
59
Electric Heat Limit Setting 50 In. Cabinet
59
Electric Heat Limit Setting 42 In. Cabinet
59
Electric Heat Anticipator Setpoints
59
Gas Heating Operation Errors
60
Cooling Start-Up
61
Gas Heat Start-Up
61
Gas Heat Limit Control Settings
61
Gas Heat Anticipator Setpoints
61
Checking Gas Heat Input
62
Gas Rate Cubic Feet Per Hour
63
Gas Heat Stages
63
Charging the Unit
64
Navigation Components for the Smart Equipment™ Control Board
64
Typical Flame
64
Typical Gas Valve
64
Smart Equipment™ Unit Control Board
65
Unit Control Board
65
Cable for FC Buses and SA Buses in Order of Preference
71
Ignition Control Flash Codes
71
Start-Up Sheet
72
5566021-Tim-B-1118
77

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