Johnson Controls J20ZF Manuals

Manuals and User Guides for Johnson Controls J20ZF. We have 1 Johnson Controls J20ZF manual available for free PDF download: Installation Manual

Johnson Controls J20ZF Installation Manual (71 pages)

R-410A, SERIES 20, 15-25 Ton, 60 Hertz

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

Table of Contents
1
General
2
What to Do if You Smell Gas
2
Installation
5
Limitations
5
Fire or Explosion Hazard
5
J15 Thru 25 ZF Unit Limitations
6
J15 Thru 25 ZF Component Location
6
Location
7
Rigging and Handling
7
Weights and Dimensions
8
Unit 4 Point Load Weight
8
Unit 6 Point Load Weight
8
Center of Gravity
8
J15 Thru 25 ZF Unit Accessory Weights
9
Utilities Entry
9
Supply Fan VFD Weights, in Lbs
9
J15 Thru 25 ZF Unit Dimensions Front View
9
J15 Thru 25 ZF Unit Dimensions Rear View
10
J15 Thru 25 ZF Unit Clearances
11
J15 Thru 25 ZF Unit Dimensions Rain Hood
11
Ductwork
12
J15ZF Roof Curb
12
J18 Thru 25 ZF Roof Curb
12
Condensate Drain
13
Compressors
13
Fixed Outdoor Air Damper
13
Filters
14
Power and Control Wiring
14
Control Wire Sizes
15
Heat
15
Typical Field Wiring 24 Volt Thermostat
16
Electrical Data
17
J15 Thru 25 ZF Physical Data
26
Optional Electric Heat
27
Electric Heat Minimum Supply Air
27
Optional Gas Heat
28
Gas Application Data
28
Gas Pipe Sizing - Capacity of Pipe
28
Gas Heat Minimum Supply Air
28
External Supply Connection External Shut-Off
28
Bottom Supply Connection External Shut-Off
28
Fire or Explosion Hazard
29
Options/Accessories
30
Economizer Interface Overview
30
Vent and Combustion Air Hood
30
Economizer LCD and Keypad Layout
31
Single Enthalpy Curve and Boundaries
31
Optional BAS-Ready Economizer Power Exhaust Damper Set Point Adjustment
32
Optional Variable Air Volume (VAV)
32
Single Enthalpy and Dual Enthalpy High Limit Curves
32
BAS-Ready VFD
34
Optional Hot Gas Bypass (HGBP)
35
Belt Adjustment
36
Altitude/Temperature Correction Factors
37
Air Flow Performance - Side Duct Application
39
Air Flow Performance - Bottom Duct Application
42
Air Balance
45
RPM Selection
45
Indoor Blower Specifications
45
Power Exhaust Specifications
45
Pressure Drop Across a Dry Indoor Coil Vs. Supply Air CFM for All Unit Tonnages
46
Operation
47
Cooling Sequence of Operation
47
Occupied Jumper
47
No Outdoor Air Options
48
Cooling Operation Errors
49
Electric Heating Sequence of Operations
50
Electric Heat Operation Errors
51
Gas Heating Sequence of Operations
51
Limit Control Setting
51
Electric Heat Anticipator Setpoint
51
Gas Heating Operation Errors
52
Gas Valve Piping
52
Gas Heat Limit Control Setting
53
Gas Valve and Controls
53
Start-Up (Cooling)
54
Start-Up (Gas Heat)
54
Gas Heat Anticipator Setpoints
54
Checking Gas Heat Input
55
Gas Rate Cubic Feet Per Hour
55
Proper Pilot Flame Adjustment
56
Typical Flame
56
Typical Gas Valve
56
Charging the Unit
57
J15ZF (15 Ton) Charging Chart
57
J18ZF (17.5 Ton) Charging Chart
57
J20ZF (20 Ton) Charging Chart
57
J25ZF (25 Ton) Charging Chart
57
Troubleshooting
58
Pilot Checkout
63
Shutter Adjustment
63
Unit Control Board Flash Codes
64
Unit Control Board
64
Unit Control Board Option Setup
65
Option Byte Setup
65
Heat Delay Setup
65
Optional VAV Control Board Flash Codes
65
Heat Delay
65
VAV Control Board Flash Codes
65
Start-Up & Service Data Instruction
66
Start-Up Sheet
66
Safety Warnings
67
Electrical Data
69
Final Inspection
71
853634-Jim-F-0514
71

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Johnson Controls J20ZF Manuals

Johnson Controls J20ZF Installation Manual (71 pages)

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