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Bryant
581J Unit Dimensional Drawing - Size, Vertical Connections / Economizer
Models:
581J
1
5
40
40
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Troubleshooting
Install
RTU Open System Control Wiring Diagram
Dimension
Power Wiring Connections
Controller Assembly Sensor Module
Unbalanced 3-PhaseSupply Voltage
Heat Anticipator Settings
Supply Air Temperature SAT Sensor
How to
Page 5
Image 5
Vertical Connections / Economizer
Horizontal Connections / Economizer
Fig. 2 - Unit Dimensional Drawing — Size 12
5
581J
C11112
Page 4
Page 6
Page 5
Image 5
Page 4
Page 6
Contents
Installation Instructions
TABLE OF CONTENTS
581J
SINGLE PACKAGE ROOFTOP
UNIT OPERATION AND SAFETY HAZARD
SAFETY CONSIDERATIONS
581J
FIRE, EXPLOSION HAZARD
581J
Fig. 1 - Unit Dimensional Drawing - Sizes
Vertical Connections / Economizer
Horizontal Connections / Economizer
C11111
581J
Vertical Connections / Economizer
Fig. 2 - Unit Dimensional Drawing - Size
581J
C11113
Fig. 2 - Unit Dimensional Drawing - Size 12 cont
581J
Fig. 3 - Service Clearance Dimensional Drawing
INSTALLATION
Table 1 - Operating Weights
Step 1 - Plan for Unit Location
Curb-MountedInstallation
Step 2 - Plan for Sequence of Unit Installation
Pad-MountedInstallation
Frame-MountedInstallation
581J
Fig. 4 - Roof Curb Details - Sizes
ACCESSORY
Fig. 5 - Roof Curb Details - Size
581J
ROOFCURB
Step 6 - Rig and Place Unit
Step 5 - Field Fabricate Ductwork
PROPERTY DAMAGE HAZARD
Fig. 6 - Unit Leveling Tolerances
Step 8 - Install Outside Air Hood
Ductwork when required
Fig. 9 - Typical Access Panel Locations
Step 7 - Convert to Horizontal and Connect
Step 10 - Install Gas Piping
Step 9 - Install Flue Hood
Fig. 13 - Economizer Filter Installation
Economizer Hood and Two-PositionHood
Fig. 15 - Gas Piping Guide
with Accessory Thru-the-CurbService Connections
Table 2 - Natural Gas Supply Line Pressure Ranges
EQUIPMENT DAMAGE HAZARD
Fig. 19 - Gas Piping with Thru-CurbAccessory
Fig. 18 - Gas Piping with Thru-CurbAccessory
Fig. 20 - Gas Piping with Thru-BaseAccessory
Fig. 17 - Gas Line Piping
Fig. 22 - Condensate Drain Pan Side View
FIRE OR EXPLOSION HAZARD
Fig. 21 - Orifice Hole
Fig. 23 - Condensate Drain Piping Details
Fig. 25 - Disconnect Switch and Unit
Field Power Supply
Units with Factory-InstalledDisconnect
Units Without Factory-InstalledDisconnect
Convenience Outlets
Fig. 27 - Weatherproof Cover Installation
ELECTRICAL OPERATION HAZARD
Fig. 26 - Convenience Outlet Location
Field Control Wiring
Fig. 28 - Powered Convenience Outlet Wiring
Units without Thru-BaseConnections
Thermostat
Heat Anticipator Settings
Fig. 30 - Field Control Wiring Raceway
Fig. 29 - Typical Low-VoltageControl Connections
Unit without Thru-BaseConnection Kit
Perfect Humidity - Space RH Controller
Perfect Humidityt Control Connections
To connect a field-suppliedhumidistat
To connect the Edge Programmable Thermidistat
Rc Rh W1 G Y2 C O/W2/B Y1
581J
X C G W2 W1 Y2 Y1 R
SRTN
581J
RTU Open Control System
Fig. 34 - RTU Open Multi-ProtocolControl Board
C11069
Fig. 35 - RTU Open System Control Wiring Diagram
581J
C11070
581J
Outdoor Air Temperature OAT Sensor
Supply Air Temperature SAT Sensor
Table 3 - RTU Open Controller Inputs and Outputs
581J
Space Temperature SPT Sensors
Field Connections
Fig. 38 - T-55Space Temperature Sensor Wiring
Fig. 39 - RTU Open T-55Sensor ConnectionsC08460
Fig. 42 - Space Temperature Sensor Typical Wiring
33ZCSENCO2 - Typical Wiring Diagram
Fig. 43 - Indoor/Outdoor Air Quality CO2 Sensor
33ZCT59SPT Indoor Air Quality CO2 Sensor
Fig. 46 - RTU Open / Outdoor CO2 Sensor
Fig. 45 - Outdoor Air Quality Sensor Cover
33ZCSENCO2 Connections
Smoke Detector/Fire Shutdown FSD
581J
Connecting Discrete Inputs
Fig. 49 - RTU Open SW3 Dip Switch Settings
Communication Wiring - Protocols
Fig. 50 - RTU Open Address Switches
Fig. 51 - Network Wiring
RTU Open Troubleshooting
Local Access
Fig. 52 - BACview6 Handheld Connections
P1 P1
Outdoor Air Enthalpy Control PNO 33CSENTHSW
Fig. 53 - Enthalpy Switch 33CSENTHSW Connections
Table 4 - LEDs
Differential Enthalpy Control
Fig. 55 - Controller Assembly Sensor Module
Wiring
Smoke Detectors
Return Air Enthalpy Sensor
Smoke Detector Locations
See “Completing Installation of Return Air Smoke
Location Return Air without Economizer
Fig. 56 - Smoke Detector Sensor
Fig. 59 - Return Air Sampling Tube Location
Return Air Sampling Tube
Fig. 60 - Return Air Detector Shipping Position
581J
See “Legend and Notes for Table 5” on page
581J
w/ PWRD C.O
581J
581J
Legend and Notes for Table
2.Unbalanced 3-PhaseSupply Voltage
Step 14 - Install Accessories
Step 13 - Adjust Factory-InstalledOptions
Fig. 62 - EconoMi$ert IV Wiring
EconoMi$er IV Occupancy Switch