ClimateMaster ACL2120CAZ, Руководство по установке

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TABLE OF CONTENTS
Contents
1.0 Important Safety Information ....................................... 3
2.0 General Information ....................................................... 4
2.1 Introduction ............................................................................. 4
2.2 Importance of a Quality Installation ......................................... 4
2.3 System Sizing and Selection ................................................... 4
2.4 Importance of Proper Indoor/Outdoor Match-Ups .................. 5
2.5 Checking Product Received .................................................... 5
2.6 Efficiency Testing Notice ......................................................... 5
2.7 Compressor Break-In Note ...................................................... 5
3.0 Unit Specifications ........................................................ 6
3.1 Model Number Nomenclature ................................................. 6
3.2 Physical and Electrical Data .................................................... 7
3.3 Unit Features ........................................................................... 10
4.0 Installation ...................................................................... 12
4.1 Tools & Refrigerant .................................................................. 12
4.1.1 Tools Required for Installing & Servicing R-410A Models .. 12
4.1.2 Specifications of R-410A .................................................... 12
4.1.3 Quick Reference Guide for R-410A .................................... 12
4.2 Choosing a Location ................................................................ 13
4.2.1 Allowable Clearances ......................................................... 13
4.2.2 Operational Issues Related to Unit Location ...................... 13
4.2.3 Corrosive Environments ..................................................... 14
4.2.4 Customer Satisfaction Issues ............................................. 14
4.3 Rigging and Mounting Unit ...................................................... 14
4.3.1 Corner Weights Rigging ...................................................... 14
4.3.2 Unit-Mounting Methods ..................................................... 15
4.3.3 High Wind and Seismic Tie-Down Methods ....................... 15
4.4 Refrigerant Line Set Selection ................................................. 16
4.4.1 Replacing Existing Systems ............................................... 16
4.4.2 Line Set Length and Fitting Losses .................................... 16
4.4.3 Liquid Line Selection .......................................................... 16
4.4.4 Suction Line Selection ........................................................ 18
4.4.5 Long Line Length Considerations ....................................... 18
4.4.5.1 Oil Return to Compressor .............................................. 18
4.4.5.2 Refrigerant Migration During Off-Cycle ......................... 18
4.4.5.3 Maximum Liquid Pressure Drop .................................... 18
4.4.5.4 Liquid Line Refrigerant Flashing .................................... 18
4.4.5.5 Compressor Oil Level Adjustment ................................. 19
4.4.5.6 Capacity Losses ............................................................ 19
4.5 Line Set Installation ................................................................. 20
4.5.1 Important Tubing Installation Practices .............................. 20
4.5.2 Relative Location of Indoor and Outdoor Units .................. 21
4.5.2.1 Indoor and Outdoor Unit Near Same Level ................... 21
4.5.2.2 Outdoor Unit Below Indoor Unit .................................... 22
4.5.2.3 Outdoor Unit Above Indoor Unit .................................... 23
4.5.3 Tubing Connections ............................................................ 24
4.6 Initial Leak Testing ................................................................... 25
4.7 Evacuation ............................................................................... 25
4.8 Control Wiring .......................................................................... 26
4.9 Typical Field Wiring Connections ............................................ 26
4.10 Configuring Control Transformer for 208V Applications ........ 27
4.11 Power Wiring ......................................................................... 27
4.12 Grounding .............................................................................. 27
5.0 Refrigerant Charging and System Start-Up ................ 28
5.1 Start-Up Overview ................................................................... 28
5.2 Preliminary Charging by Weight and Final Leak Check .......... 28
5.3 Pre-Start Check ....................................................................... 29
5.4 Initial System Power-Up – Verifying Correct Indoor Blower
Motor and Compressor Rotation ............................................ 30
5.5 Verifying Indoor Air-Flow ......................................................... 30
5.6 Charging .................................................................................. 30
5.7 Charging Charts ...................................................................... 32
5.8 Completing Installation ........................................................... 36
6.0 Sequence of Operation ................................................. 36
6.1 (-)ACL2120 Two-Stage Compressor ...................................... 36
6.2 (-)ACL2150, (-)ACL2180, (-)ACL2240 Tandom Compressor .........
36
7.0 Components & Controls ............................................... 37
7.1 Compressor ............................................................................. 37
7.2 Outdoor Fan Motor ................................................................. 37
7.3 Outdoor Fan ............................................................................ 37
7.4 Compressor Contactor ............................................................ 37
7.5 Compressor Crankcase Heater ............................................... 37
7.6 High and Low Pressure Controls ............................................ 37
7.7 Transformer ............................................................................. 37
7.8 Line Voltage Terminal Block for Field Connections ................. 38
7.9 Transformer ............................................................................. 38
8.0 Accessories ................................................................... 38
8.1 Liquid Line Solenoid ................................................................ 38
8.2 Sight Glass ............................................................................. 38
8.3 Low Ambient Control (Lac) (RXAD-08) .................................... 38
9.0 Diagnostics and Troubleshooting ................................ 39
9.1 Cooling Mechanical Checks Flowchart ................................... 39
9.2 General Troubleshooting Guide ............................................... 40
9.3 Service Analyzer Charts .......................................................... 41
9.4 Troubleshooting Tips ............................................................... 46
10.0 Outdoor Unit Maintenance ......................................... 47
10.1 Outdoor Coil Cleaning ........................................................... 47
10.2 Cabinet Cleaning and Care ................................................... 47
10.3 Motor Lubrication .................................................................. 47
10.4 Replacement Parts ................................................................ 47
11.0 Wiring Diagram ............................................................ 48