Carrier Legacy 548J07 Manuals

Manuals and User Guides for Carrier Legacy 548J07. We have 1 Carrier Legacy 548J07 manual available for free PDF download: Installation Instructions Manual

Carrier Legacy 548J07 Installation Instructions Manual

Carrier Legacy 548J07 Installation Instructions Manual (44 pages)

Single Package Rooftop with Heat Pump with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 7.09 MB

Table of Contents

Table of Contents
1
Safety Considerations
2
General
2
Rated Indoor Airflow (Cfm)
2
Pre-Installation
2
Refrigeration System Components
9
Reversing Valve and Check Valve Position
9
Troubleshooting Refrigerant Pressure Problems and Check
9
Valves
9
Refrigerant System Pressure Access Ports
9
Installation
10
Jobsite Survey
10
Step 1 - Plan for Unit Location
10
Roof Mount
10
Step 2 - Plan for Sequence of Unit Installation
10
Curb-Mounted Installation
10
Pad-Mounted Installation
11
Frame-Mounted Installation
11
Step 3 - Inspect Unit
11
Step 4 - Provide Unit Support
11
Roof Curb Mount
11
Slab Mount (Horizontal Units Only)
11
Alternate Unit Support
11
Slab Mount)
11
Step 5 - Field Fabricate Ductwork
13
For Units with Accessory Electric Heaters
13
Step 6 - Rig and Place Unit
13
Positioning on Curb
14
Step 7 - Convert to Horizontal and Connect Ductwork
14
(When Required)
14
Step 8 - Install Outside Air Hood
15
Economizer and Two-Position Damper Hood
15
Package Removal and Setup - Factory Option
15
Economizer Hood and Two-Position Hood
15
Step 9 - Units with Hinged Panels Only
16
Step 10 - Install External Condensate Trap and Line
16
Step 11 - Make Electrical Connections
17
Field Power Supply
17
Units with Factory-Installed Non-Fused Disconnect
19
Units Without Factory-Installed Non-Fused Disconnect
20
All Units
20
Convenience Outlets
20
Installing Weatherproof Cover
20
Factory-Option Thru-Base Connections
21
Units Without Thru-Base Connections
22
Field Control Wiring
22
Unit Without Thru-Base Connection Kit
23
Heat Anticipator Settings
23
Central Terminal Board
23
Commercial Defrost Control
23
Reversing Valve Control
23
Compressor Control
23
Auxiliary (Electric) Heat Control
24
Defrost
24
Electric Heaters
25
Single Point Boxes and Supplementary Fuses
25
Single Point Boxes Without Fuses
26
Low-Voltage Control Connections
26
Economi$Er® X (Factory Option)
26
System Components
26
Specifications
26
Inputs
27
Outputs
27
Environmental
27
Economizer Module Wiring Details
27
Interface Overview
28
Setup and Configuration
29
Enthalpy Settings
38
Two-Speed Fan Operation
38
Checkout
39
Troubleshooting
39
Rtu Open Control System
40
Smoke Detectors
40
Completing Installation of Return Air Smoke Sensor
40
Additional Application Data
40
Step 12 - Adjust Factory-Installed Options
41
Smoke Detectors
41
Economi$Er IV Occupancy Switch
41
Step 13 - Install Accessories
41
Step 14 - Check Belt Tension
41
Belt Force - Deflection Method
41
Belt Tension Method
42
Start-Up Checklist
43

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