User Manuals: Johnson Controls JA4ZT Air Conditioner

Manuals and User Guides for Johnson Controls JA4ZT Air Conditioner. We have 1 Johnson Controls JA4ZT Air Conditioner manual available for free PDF download: Installation Manual

Johnson Controls JA4ZT Installation Manual (66 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
Limitations
6
Compressor Section
6
Location
7
Component Location (JA3ZT Shown)
7
JA3 Thru JA5ZT Unit Limitations
7
Rigging and Handling
8
Unit 4 Point Load Weight
8
Center of Gravity
8
Weights and Dimensions
8
JA3 Thru JA5ZT Physical Dimensions
9
JA3 Thru JA5ZT Unit Accessory Weights
9
JA3 Thru JA5ZT Unit Physical Dimensions
10
JA3 Thru JA5ZT Unit Clearances
10
JA3 Thru JA5ZT Unit Bottom Duct Openings
11
JA3 Thru JA5ZT Unit Electrical Entry
12
JA3 Thru JA5ZT Unit Side Duct Openings
12
Side Duct Dimensions
12
JA3 Thru JA5ZT Unit Left Duct Opening
13
JA3 Thru JA5ZT Roof Curb
13
Left/End Duct Dimensions
13
JA3 Thru JA5ZT Transition Roof Curb
14
JA3 Thru JA5ZT Roof Curb Cutaway
14
Ductwork
15
Side Panels
15
Condensate Drain
15
Side Panels with Hole Plugs
15
Return Downflow Plenum with Panel
15
Discharge Panel in Place
15
Save Side Panels for Economizer Hood Tops
15
Compressors
16
Condensate Drain
16
Filters
17
Power and Control Wiring
17
Field Wiring Disconnect
18
Control Wire Sizes
19
Typical Control Wiring
19
Electrical Data
20
Physical Data
24
Optional Electric Heat
25
Electric Heat Minimum Supply Air
25
Optional Gas Heat
26
Gas Pipe Sizing - Capacity of Pipe
26
Side Entry Gas Piping
26
Bottom Entry Gas Piping
26
Gas Heat Minimum Supply Air
27
Options/Accessories
28
Simplified VFD Wiring
29
Economizer Sequences
30
Dry Bulb Changeover
30
Single Enthalpy Changeover
30
Dual Enthalpy Changeover
30
Auto
30
Free Cooling Operation
30
Power Exhaust
31
Smart Equipment™ Economizer Board Details
32
SE-ECO1001-0 Economizer Controller
32
Supply Air Limitations
35
Altitude/Temperature Correction Factors
36
Belt Adjustment
36
Altitude/Temperature Correction Factors
37
Airflow Performance - Side Duct Application
39
Airflow Performance
39
Airflow Performance - Bottom Duct Application
40
Air Balance
41
Checking Air Quantity
41
RPM Selection
41
Indoor Blower Specifications
41
Power Exhaust Specifications
41
Dry Coil Delta P
42
Motor Sheave Datum Diameters
43
Operation
44
Cooling Operation
44
Additional Static Resistance
44
Cooling Operation Errors
45
Electric Heating Sequence of Operations
46
Electric Heat Operation Errors
46
Gas Heating Sequence of Operations
47
Ignition Control Board
47
Electric Heat Limit Setting
47
Electric Heat Anticipator Setpoints
47
Gas Heating Operation Errors
48
Start-Up (Cooling)
49
Start-Up (Gas Heat)
49
Gas Heat Anticipator Setpoints
49
Checking Gas Heat Input
50
Gas Rate Cubic Feet Per Hour
50
Typical Flame
51
Gas Heat Stages
51
Control Board Navigation Components
52
Typical Two Stage Gas Valve
52
Unit Control Board
52
Smart Equipment™ UCB Details
53
Cable for FC Buses and SA Buses in Order of Preference . 58 31 Ignition Control Flash Codes
58
Charging the Unit
59
JA3ZT Charging Table
59
JA4ZT Charging Table
60
JA5ZT Charging Table
60
Start-Up Sheet
61

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Johnson Controls JA4ZT Installation Manual (66 pages)

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