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A1748AJ2CB
Rheem A1748AJ2CB Manuals
Manuals and User Guides for Rheem A1748AJ2CB. We have
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Rheem A1748AJ2CB manual available for free PDF download: Installation Instructions Manual
Rheem A1748AJ2CB Installation Instructions Manual (52 pages)
AIR COOLED CONDENSING UNITS
Brand:
Rheem
| Category:
Heat Pump
| Size: 12.68 MB
Table of Contents
Table of Contents
2
1 Important Safety Information
3
2 General Information
4
Introduction
4
Agency Performance Audit Testing Notice
4
Importance of a Quality Installation
4
System Sizing and Selection
4
Importance of Proper Indoor/Outdoor Match-Ups
5
Checking Product Received
5
Compressor Break-In Notice
5
3 Unit Specifications
5
Model Number Nomenclature and Available Models
5
Electrical and Physical Data
6
4 Installation
7
Tools & Refrigerant
7
Tools Required for Installing & Servicing R-410A Models
7
Specifications of R-410A
7
Quick Reference Guide for R-410A
7
Choosing a Location
8
Allowable Clearances
8
Operational Issues Related to Unit Location
8
Corrosive Environments
9
Customer Satisfaction Issues
9
Mounting Unit
9
Unit-Mounting Methods
9
High Wind and Seismic Tie-Down Methods
9
Elevating Unit
10
Refrigerant Line Set Selection
10
Replacing Existing Systems
10
Line Set Length and Fitting Losses
10
Liquid Line Selection
11
Suction Line Selection
11
Long Line Length Considerations
14
Determining if Long Line Set Length Requirements Apply
14
Oil Return to Compressor
14
Refrigerant Migration During off Cycle
14
Maximum Liquid Pressure Drop
14
Liquid Line Refrigerant Flashing
14
Compressor Oil Level Adjustment
15
Capacity Losses
15
Line Set Installation
16
Important Tubing Installation Practices
16
Relative Location of Indoor and Outdoor Units
17
Indoor and Outdoor Unit Near same Level
17
Outdoor Unit below Indoor Unit
18
Outdoor Unit above Indoor Unit
19
Tubing Connections
20
Initial Leak Testing
21
Evacuation
21
Final Leak Testing
22
Control Wiring
22
Econet TM Communications
22
Econet TM Control Center or Thermostat Installation
22
Econet TM Communication Wiring Connections
22
Conventional 24VAC Thermostat Control Wiring Connections
23
Power Wiring
24
Grounding
25
5 System Start-Up and Refrigerant Charging
25
System Start-Up Overview
25
Initial Power up and Econet
25
TM Communication Verification
25
Econet TM Control Center Set-Up
25
Initial System Start-Up
25
Indoor Air-Flow Verification
26
Refrigerant Charging
26
Measurement Device Set-Up
27
Preliminary Charging by Weight
27
Preliminary Charging by Pressures
27
Final Charging by Liquid Subcooling
28
R-410A Temperature Pressure Chart
28
Completing Installation
28
6 Sequence of Operation
29
Cooling Mode
29
On-Demand Cooling Dehumidification
29
7 Components & Controls
29
Compressor
29
Compressor/Fan Motor Capacitor
29
Compressor Contactor
29
Compressor Crankcase Heater
29
Econet TM 2-Stage Outdoor Control (TSODC)
30
TSODC Features and Connections
30
Overview of TSODC Operation
31
Control Board Replacement
32
High and Low Pressure Controls
32
Outdoor Ambient Temperature Thermistor
33
Outdoor Fan Blade
33
Outdoor Fan Motor
33
8 Active Compressor Protection
33
9 Accessories
34
Low Ambient Kit
34
Hard Start Kit
34
Crankcase Heater
34
Compressor Sound Enclosure
34
10 Diagnostics and Troubleshooting
35
Test and Fault Recall Mode
35
Test Mode
35
Fault Recall Mode
35
Clearing Fault History
35
Status and Diagnostic Codes
36
Electrical Checks Flowchart
39
Cooling Mechanical Checks Flowchart
40
Checking Temperature Sensors
41
General Troubleshooting Guide
42
Service Analyzer Charts
43
Troubleshooting Tips
48
11 Outdoor Unit Maintenance
49
Outdoor Coil Cleaning
49
Cabinet Cleaning and Care
49
Motor Lubrication
49
Replacement Parts
49
12 Wiring Diagrams
50
2, 4 and 5 Ton Models - ECM Fan Motor
50
Ton Model - PSC Fan Motor
51
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