Johnson Controls WW-20 Manuals

Manuals and User Guides for Johnson Controls WW-20. We have 1 Johnson Controls WW-20 manual available for free PDF download: Installation Manual

Johnson Controls WW-20 Installation Manual (76 pages)

Johnson Controls

Brand: Johnson Controls | Category: Air Conditioner | Size: 3 MB

Table of Contents
2
General
4
Safety Considerations
4
Inspection
4
Reference
4
Renewal Parts
5
Approvals
5
Product Nomenclature
6
Installation
7
Installation Safety Information
7
Limitations
7
Location
8
Rigging and Handling
9
Clearances
9
Ductwork
9
Center of Gravity
9
Fixed Outdoor Air Intake Damper
10
Condensate Drain
10
Fixed Outdoor Air Damper
10
Compressors
11
Filters
11
Service Access
11
Thermostat
13
Space Sensor
13
Power and Control Wiring
13
Optional Electric Heat
13
Optional Gas Heat
14
Gas Piping
14
Pipe Sizing
14
Gas Connection
15
Shut-Off
15
L.p. Units, Tanks and Piping
16
Vent and Combustion Air Hoods
16
External Supply Connection External
16
Bottom Supply Connection External
16
Optional Economizer/Motorized Damper Rain Hood
17
Optional Power Exhaust/Barometric Relief Damper Rain Hood
17
Optional Economizer and Power Exhaust Damper Set Point Adjustments and Information
17
Minimum Position Adjustment
17
Enthalpy Set Point Adjustment
17
Power Exhaust Damper Setpoint
17
Indoor Air Quality Aq
17
Vent and Combustion Air Hood
17
Optional Bas-Ready Economizer Power Exhaust Damper Set Point Adjustment
18
Optional Variable Air Volume (Vav)
18
Duct Static Pressure Transducer
18
Vav Control Board
18
Factory-Installed Vfd
19
Manual Bypass
19
Bas-Ready Vfd
20
Vfd-Ready' for Customer-Installation
20
Optional Hot Gas Bypass (Hgbp)
20
Enthalpy Setpoint Adjustment
21
Optional Reclaim Coil Piping Connection
22
Four and Six Point Loads
23
Center of Gravity
23
Physical Data
24
Ww Electrical Data W/O Powered Convenience Outlet - Std Drive Motor
25
Ww Electrical Data W/O Powered Convenience Outlet - High Static Drive Motor
27
Ww Electrical Data W/O Powered Convenience Outlet - Low Static Drive
29
Ww Electrical Data W/Powered Convenience Outlet - Std Drive Motor
30
Ww Electrical Data W/Powered Convenience Outlet - High Static Drive Motor
32
Ww Electrical Data W/Powered Convenience Outlet - Low Static Drive
34
Unit Clearances and Rain Hood Dimensions
37
Cfm, Static Pressure, and Power - Altitude and Temperature Corrections
38
Altitude/Temperature Conversion Factor
39
Static Resistances
52
Blower Motor and Drive Data
52
Phasing
54
Checking Supply Air Cfm
54
Air Balance
55
Pressure Drop Across a Dry Indoor Coil Vs Supply Air Cfm for All Unit Tonnages
55
Operation
56
Sequence of Operations Overview
56
Cooling Sequence of Operation
56
Continuous Blower
56
Intermittent Blower
56
Optional Vav Blower Operation
56
No Outdoor Air Options
56
Economizer with Single Enthalpy Sensor
57
Economizer with Dual Enthalpy Sensors
57
Economizer
57
Power Exhaust
57
Economizer with Optional Vav or Intelli-Comfort™ Control
57
Economizer with Optional Vav Blower with Power Exhaust
58
Economizer with Optional Intelli-Comfort™ with Power Exhaust
58
Motorized Outdoor Air Dampers
58
Cooling Operation Errors
58
High-Pressure Limit Switch
58
Low-Pressure Limit Switch
58
Freezestat
58
Low Ambient Cooling
59
Safety Controls
59
Compressor Protection
59
Flash Codes
59
Reset
59
Electric Heating Sequence of Operations
59
Heating Operation Errors
60
Temperature Limit
60
Safety Controls
60
Flash Codes
60
Reset
60
Heat Anticipator Setpoints
60
Limit Control Setting
60
Gas Heating Sequence of Operations
61
Gas Heating Operation Errors
62
Temperature Limit
62
Gas Valve
62
Safety Controls
62
Flash Codes
63
Resets
63
Heat Anticipator Setpoints
63
Start-Up (Cooling)
63
Prestart Check List
63
Operating Instructions
63
Limit Control Setting
63
Post Start Check List
64
Shut down
64
Start-Up (Gas Heat)
64
Pre-Start Check List
64
Operating Instructions
64
To Light Pilot and Main Burners
64
To Shut down
64
Post-Start Check List (Gas)
64
Manifold Gas Pressure Adjustment
65
Pilot Checkout
65
Burner Instructions
65
Burner Air Shutter Adjustment
65
Checking Gas Input
65
Natural Gas
65
Adjustment of Temperature Rise
66
Belt Drive Blower
66
Troubleshooting
66
Cooling Troubleshooting Guide
66
Gas Heat Troubleshooting Guide
71
Shut-Off
72
Unit Control Board Flash Codes
74
Option Byte Setup
75
Heat Delay Setup
75
Unit Control Board
75
Optional Vav Control Board Flash Codes
76
Heat Delay
76
Vav Control Board Flash Codes
76

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