Ruud SA14AZ18AJ1NA Manuals

Manuals and User Guides for Ruud SA14AZ18AJ1NA. We have 1 Ruud SA14AZ18AJ1NA manual available for free PDF download: Installation Instructions Manual

Ruud SA14AZ18AJ1NA Installation Instructions Manual (40 pages)

14.3 SEER2 SERIES CONDENSING UNITS 1.5-2.5 TONS FEATURING INDUSTRY STANDARD R-410A REFRIGERANT

Brand: Ruud | Category: Air Conditioner | Size: 6 MB

Table of Contents
2
Important Safety Information
3
General Information
4
Introduction
4
Importance of Quality Installation
4
System Sizing and Selection
4
Importance of Proper Indoor/Outdoor Match-Ups
5
Checking Product Received
5
Efficiency Testing Notice
5
Compressor Break-In Notice
5
Unit Specifications
6
Model Number Nomenclature
6
Available Models
6
Electrical and Physical Data
6
Table 1: Available Models
6
Table 2: Electrical Data and Physical Data
6
Table 3: Dimensions
7
Installation
8
Tools Required for Installing and Servicing R-410A Models
8
Specifications of R-410A
8
Quick-Reference Guide for R-410A
8
Tools and Refrigerant
8
Allowable Clearances
9
Operational Issues Related to Unit Location
9
Choosing a Location
9
Corrosive Environment
10
Customer Satisfaction Issues
10
Unit Mounting Methods
10
High Wind and Seismic Tie-Down Methods
10
Choosing a Location (Cont.)
10
Mounting Unit
10
Elevating Unit
11
Replacing Existing Systems
12
Line Set Length and Fitting Losses
12
Liquid Line Selection
12
Refrigerant Line Set Selection
12
Table 4: Equivalent Length for Fittings: Ft [M]
12
Table 5A: Refrigerant Line Sizing Chart (English Units)
13
Table 5B: Refrigerant Line Sizing Chart (Metric Units)
13
Suction Line Selection
14
Long Line Set Considerations
14
Determining if Long Line Set Length Requirements Apply
14
Oil Return to Compressor
14
Refrigerant Migration During off Cycle
14
Table 6: Example Table
14
Table 7: Factory Installed Crank Case Heaters
14
Maximum Liquid Pressure Drop
15
Liquid Line Refrigerant Flashing
15
Oil Level Adjustment for Long Line Set Applications
15
Capacity Losses
15
Line Set Installation
15
Important Tubing Installation Practices
15
Relative Location of Indoor and Outdoor Units
16
Indoor and Outdoor Unit Near same Level
16
Line Set Installation (Cont.)
16
Outdoor Unit below Indoor Unit
17
Line Set Installation (Cont.)
17
Outdoor Unit above Indoor Unit
18
Line Set Installation (Cont.)
18
Tubing Connections
19
Line Set Installation (Cont.)
19
Initial Leak Testing
20
Evacuation
20
Final Leak Testing
20
Control Wiring
21
Typical Control Wiring Connections
21
Power Wiring
22
Grounding
22
Typical Control Wiring Connections (Cont.)
22
Table 8: Voltage Ranges
22
System Start-Up & Refrigerant Charging
23
System Start-Up Overview
23
Initial System Power-Up
23
Refrigerant Charging
24
Measurement Device Set-Up
24
Preliminary Charging by Weight
24
Table 9: Altitude Temperature Rise Ranges
24
Preliminary Charging by Pressures
25
Final Charging by Liquid Subcooling
25
R-410A Temperature Pressure Chart
26
Completing Installation
26
Sequence of Operation
26
Table 10: R-410A Temperature Pressure Chart
26
Components & Controls
27
Compressor
27
Fan Motor
27
Outdoor Fan
27
Compressor Contractor
27
Compressor/Fan Motor Capacitor
27
Compressor Crankcase Heat (CCH)
27
High- and Low-Pressure Controls (HPC and LPC)
27
Compressor Hard Start Components
27
Table 11: Maximum System Charge Values
27
Accessories
28
Compressor Time Delay
28
High Pressure Control
28
Low Pressure Control
28
Low Ambient Control
28
Compressor Hard Start Kit
28
Compressor Crankcase Heater
28
Compressor Sound Enclosure
28
Diagnostics & Troubleshooting
29
Cooling Mechanical Checks Flowchart
29
Diagnostics & Troubleshooting
30
General Troubleshooting Guide
30
Table 12: Troubleshooting Guide
30
Diagnostics & Troubleshooting
31
Service Analyzer Charts
31
Table 13: Service Analyzer Chart
31
Troubleshooting Tips
35
Table 14: Cooling Mode Trouble Shooting Tips
35
Outdoor Unit Maintenance
36
Outdoor Coil Cleaning
36
Cabinet Cleaning and Care
36
Motor Lubrication
36
Replacement Parts
36
Wiring Diagrams
37
Installation Notes
38

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