581J
SINGLE PACKAGE ROOFTOP
GAS HEATING/ELECTRIC COOLING UNIT
SIZES 07, 08, 09, 11, 12 WITH PURON
R
(R−410A) REFRIGERANT
Installation Instructions
NOTE: Read the entire instruction manual before starting
the installation
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
2
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Rated Indoor Airflow (cfm)
3
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INSTALLATION
8
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Jobsite Survey
8
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Step 1 − Plan for Unit Location
8
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Roof Mount
9
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Step 2 − Plan for Sequence of Unit Installation
9
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Curb−Mounted Installation
9
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Pad−Mounted Installation
9
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Frame−Mounted Installation
9
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Step 3 − Inspect Unit
9
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Step 4 − Provide Unit Support
9
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Roof Curb Mount
9
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Slab Mount (Horizontal Units Only)
11
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Alternate Unit Support
(In Lieu of Curb or Slab Mount)
11
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Step 5 − Field Fabricate Ductwork
11
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Step 6 − Rig and Place Unit
11
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Positioning on Curb
12
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Step 7 − Convert to Horizontal & Connect Ductwork
12
.
Step 8 − Install Outside Air Hood
13
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Economizer and Two Position Damper Hood
Package Removal and Setup — Factory Option
13
. .
Economizer Hood and Two−Position Hood
13
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Step 9 − Install Flue Hood
14
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Step 10 − Install Gas Piping
14
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Factory−Option Thru−Base Connections
(Gas Connections)
15
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Step 11 − Install External Condensate Trap and Line
17
. .
Step 12 − Make Electrical Connections
17
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Field Power Supply
17
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Units with Factory−Installed
Non−Fused Disconnect
18
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Units without Factory−Installed
Non−Fused Disconnect
19
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All Units
19
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Convenience Outlets
19
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Factory−Option Thru−Base Connections
(Electrical Connections)
21
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Units without Thru−Base Connections
21
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Field Control Wiring
21
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Thermostat
21
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Unit without Thru−Base Connection Kit
21
. . . . . . .
Heat Anticipator Settings
22
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Low Ambient Control (Factory Option)
22
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Variable Frequency Drive (VFD) 2−Speed Indoor Fan
Motor System (Factory Option)
22
. . . . . . . . . . . . . . . . . .
EconoMi$er X − Ultra Low Leak Economizer
(Factory Option)
22
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Perfect Humidity
t
System Control Connections
22
. .
Perfect Humidity System − Space RH Controller
22
. .
RTU Open Controller System
24
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Supply Air Temperature (SAT) Sensor
27
. . . . . . . . .
Outdoor Air Temperature (OAT) Sensor
27
. . . . . . .
EconoMi$er2
28
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Field Connections
28
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Space Temperature (SPT) Sensors
28
. . . . . . . . . . . .
Indoor Air Quality (CO
2
) Sensor
29
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Outdoor Air Quality Sensor
29
. . . . . . . . . . . . . . . . .
Space Humidity Sensor or Humidistat
30
. . . . . . . . .
Smoke Detector/Fire Shutdown (FSD)
31
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Connecting Discrete Inputs
31
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Communication Wiring − Protocols
32
. . . . . . . . . . . .
General
32
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Local Access
33
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RTU Open Controller Troubleshooting
33
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Outdoor Air Enthalpy Control
34
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Differential Enthalpy Control
34
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Return Air Enthalpy Sensor
34
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Smoke Detectors
35
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Step 13 − Adjust Factory−Installed Options
41
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Step 14 − Install Accessories
41
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START−UP CHECKLIST
43
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Содержание 581J series
Страница 4: ...4 C160140 Fig 2 Unit Dimensional Drawing Sizes 07 09 581J ...
Страница 5: ...5 C160141 Fig 2 Unit Dimensional Drawing Sizes 07 09 cont 581J ...
Страница 6: ...6 C13300A Fig 3 Unit Dimensional Drawing Sizes 11 and 12 581J ...
Страница 7: ...7 C13301A Fig 3 Unit Dimensional Drawing Sizes 11 and 12 cont 581J ...
Страница 25: ...25 C160113 Fig 36 Typical RTU Open Controller Wiring Diagram 581J ...
Страница 26: ...26 C160114 Fig 37 Typical RTU Open Controller Wiring Diagram Wiring Diagram with Perfect Humidityt System 581J ...