User Manuals: Johnson Controls ZU-12 Air Conditioner

Manuals and User Guides for Johnson Controls ZU-12 Air Conditioner. We have 1 Johnson Controls ZU-12 Air Conditioner manual available for free PDF download: Instruction Manual

Johnson Controls ZU-12 Instruction Manual (75 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
ZU Component Location
7
Location
8
Clearances
8
Rigging and Handling
8
Through -12 Unit Limitations
8
Weights and Dimensions
9
Unit 4 Point Load Weight
9
Unit 6 Point Load Weight
9
Center of Gravity
9
Through -12 Unit Accessory Weights
10
Through -10 Physical Dimensions
10
Through -12 Unit Physical Dimensions
11
Physical Dimensions
11
Gas Inlet and Drain Components
12
Through -12 Unit Clearances
12
Through -12 Unit Bottom Duct Openings
13
Through -12 Unit Electrical Entry
14
Through -10 Unit Side Duct Openings
14
Side Duct Dimensions
15
Left/End Duct Dimensions
15
Unit Side Duct Openings
15
Through -12 Unit Left/End Duct Opening
15
Roof Curb Components
16
Through -12 Roof Curb
16
Through -12 Transition Roof Curb
16
Ductwork
17
Side Panels
17
Side Panels with Hole Plugs
17
Return Downflow Plenum with Panel
17
Discharge Panel in Place
17
Condensate Drain
18
Compressors
18
Filters
18
Side Panels for Economizer Hood Tops
18
Power and Control Wiring
19
Field Wiring Disconnect - Cooling Unit with or Without Electric Heat and All Units with a VFD Option
20
Field Wiring Disconnect - Cooling Unit with Gas Heat Without a VFD Option
20
Control Wire Sizes
21
Typical Electronic Thermostat Field Wiring
21
Electrical Data
22
Through -12 Physical Data
30
Optional Electric Heat
32
Optional Gas Heat
32
Electric Heat Minimum Supply Air
32
Side Entry Gas Piping
32
Gas Pipe Sizing - Capacity of Pipe
33
Gas Heat Minimum Supply Air
33
Bottom Entry Gas Piping
33
Options and Accessories
34
Optional Variable Air Volume
35
Optional Hot Gas Bypass (HGBP)
37
Economizer Sequences
37
Dry Bulb Changeover
37
Single Enthalpy Changeover
37
Simplified VFD Wiring
37
Dual Enthalpy Changeover
38
Auto
38
Free Cooling Operation
38
Power Exhaust
38
Smart Equipment™ Economizer Board
39
SE-ECO1001-0 Economizer Controller
39
Supply Air Limitations
43
Belt Adjustment
43
Altitude/Temperature Correction Factors
44
Airflow Performance
46
Airflow Performance - Side Duct Application
46
Airflow Performance - Bottom Duct Application
48
RPM Selection
49
Air Balance
50
Checking Air Quantity
50
Indoor Blower Specifications
50
Power Exhaust Specifications
50
Dry Coil Delta P
51
Motor Sheave Datum Diameters
52
Operation
53
Cooling Sequence of Operation
53
Additional Static Resistance
53
Cooling Operation Errors
55
Electric Heating Sequence of Operations
56
Electric Heat Operation Errors
56
Electric Heat Limit Setting 50 In. Cabinet
56
Gas Heating Sequence of Operations
57
Electric Heat Limit Setting 42 In. Cabinet
57
Electric Heat Anticipator Setpoints
57
Gas Heating Operation Errors
58
Cooling Start-Up
59
Gas Heat Start-Up
59
Gas Heat Limit Control Settings
59
Gas Heat Anticipator Setpoints
59
Checking Gas Heat Input
60
Gas Rate Cubic Feet Per Hour
61
Gas Heat Stages
61
Charging the Unit
62
Navigation Components for the Smart Equipment™ Control Board
62
Typical Flame
62
Typical Gas Valve
62
Smart Equipment™ Unit Control Board
63
Unit Control Board
63
Cable for FC Buses and SA Buses in Order of Preference
69
Ignition Control Flash Codes
69
Start-Up Sheet
70
5566216-Bim-B-1118
75

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User Manuals: Johnson Controls ZU-12 Air Conditioner

Johnson Controls ZU-12 Instruction Manual (75 pages)

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