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581J*14
SINGLE PACKAGE ROOFTOP, GAS HEATING/ELECTRIC COOLING
WITH PURON
R
(R--410A) REFRIGERANT
SIZE 14
Installation Instructions
NOTE
: Read the entire instruction manual before starting
the installation
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
2
. . . . . . . . . . . . . . . . . . . .
Rated Indoor Airflow (cfm)
3
. . . . . . . . . . . . . . . . . . . . .
INSTALLATION
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jobsite Survey
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 1 -- Plan for Unit Location
6
. . . . . . . . . . . . . . . . . .
Roof Mount
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 2 -- Plan for Sequence of Unit Installation
7
. . . . . .
Curb--Mount Installation
7
. . . . . . . . . . . . . . . . . . . . .
Pad--Mount Installation
7
. . . . . . . . . . . . . . . . . . . . . .
Frame--Mount Installation
7
. . . . . . . . . . . . . . . . . . . .
Step 3 -- Inspect Unit
7
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 4 -- Provide Unit Support
7
. . . . . . . . . . . . . . . . . . .
Roof Curb Mount
7
. . . . . . . . . . . . . . . . . . . . . . . . . .
Slab Mount (Horizontal Units Only)
9
. . . . . . . . . . .
Alternate Unit Support
9
. . . . . . . . . . . . . . . . . . . . . .
Step 5 -- Field Fabricate Ductwork
9
. . . . . . . . . . . . . . . .
Step 6 -- Rig and Place Unit
9
. . . . . . . . . . . . . . . . . . . . .
Positioning on Curb
10
. . . . . . . . . . . . . . . . . . . . . . .
Step 7 -- Convert to Horizontal and Connect Ductwork 11
Step 8 -- Install Outside Air Hood
11
. . . . . . . . . . . . . . .
Economizer Hood Removal and Setup —
Factory Option
11
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Two Position Damper Hood Removal and Setup —
Factory Option
11
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Economizer Hood and Two--Position Hood
12
. . . . .
Step 9 -- Install Flue Hood
13
. . . . . . . . . . . . . . . . . . . . .
Step 10 -- Install Gas Piping
13
. . . . . . . . . . . . . . . . . . . .
Factory--Option Thru--Base Connections
(Gas Connections)
14
. . . . . . . . . . . . . . . . . . . . . . . . .
Step 11 -- Install External Condensate Trap and Line
16
. .
Step 12 -- Make Electrical Connections
16
. . . . . . . . . . .
Field Power Supply
16
. . . . . . . . . . . . . . . . . . . . . . . .
All Units
18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Units without Factory--Installed
Non--Fused Disconnect
18
. . . . . . . . . . . . . . . . . . . . .
Units with Factory--Installed
Non--Fused Disconnect
18
. . . . . . . . . . . . . . . . . . . . .
Convenience Outlets
19
. . . . . . . . . . . . . . . . . . . . . . .
Factory--Option Thru--Base Connections
(Electrical Connections)
21
. . . . . . . . . . . . . . . . . . . .
Units without Thru--Base Connections
21
. . . . . . . . .
Field Control Wiring
21
. . . . . . . . . . . . . . . . . . . . . . .
Thermostat
21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit without Thru--Base Connection Kit
22
. . . . . . .
Heat Anticipator Settings
22
. . . . . . . . . . . . . . . . . . .
Low Ambient Control (Factory Option)
22
. . . . . . . . . . .
Variable Frequency Drive (VFD)
2--Speed Indoor Fan Motor System (Factory Option)
22
.
EconoMi$er X -- Ultra Low Leak Economizer
(Factory Option)
22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Perfect Humidity
t
Control Connections
23
. . . . . . . .
Perfect Humidity -- Space RH Controller
23
. . . . . . .
RTU Open Control System
25
. . . . . . . . . . . . . . . . . . . . .
Supply Air Temperature (SAT) Sensor
28
. . . . . . . . .
Outdoor Air Temperature (OAT) Sensor
29
. . . . . . .
EconoMi$er2
29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Field Connections
29
. . . . . . . . . . . . . . . . . . . . . . . . . .
Space Temperature (SPT) Sensors
29
. . . . . . . . . . . .
Economizer Controls
30
. . . . . . . . . . . . . . . . . . . . . . . .
Indoor Air Quality (CO
2
) Sensor
30
. . . . . . . . . . . . .
Outdoor Air Quality Sensor
31
. . . . . . . . . . . . . . . . .
Space Humidity Sensor or Humidistat
31
. . . . . . . . .
Smoke Detector/Fire Shutdown (FSD)
32
. . . . . . . . .
Connecting Discrete Inputs
32
. . . . . . . . . . . . . . . . . .
Communication Wiring -- Protocols
33
. . . . . . . . . . . .
General
33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Local Access
34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RTU Open Troubleshooting
34
. . . . . . . . . . . . . . . . .
Outdoor Air Enthalpy Control
35
. . . . . . . . . . . . . . . . .
Differential Enthalpy Control
35
. . . . . . . . . . . . . . . .
Return Air Enthalpy Sensor
35
. . . . . . . . . . . . . . . . .
Smoke Detectors
36
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 13 -- Adjust Factory--Installed Options
42
. . . . . . . .
Step 14 -- Install Accessories
42
. . . . . . . . . . . . . . . . . . .
START--UP CHECKLIST
43
. . . . . . . . . . . . . . . . . . . . . . .
Summary of Contents for 581Jx14 series
Page 4: ...4 C11338 Fig 2 Unit Dimensional Drawing 14 Size Unit 581J 14 ...
Page 5: ...5 C11339 Fig 2 Unit Dimensional Drawing 14 Size Unit cont 581J 14 ...
Page 8: ...8 C10772 Fig 4 Roof Curb Details 581J 14 ...
Page 26: ...26 C150061 Fig 47 RTU Open System Control Wiring Diagram 581J 14 ...
Page 27: ...27 C150062 Fig 48 RTU Open System Control Wiring Diagram with Perfect Humidityt 581J 14 ...