Product manual

3
ComPac 6/09-18
Table of ConTenTs
Chapter 1 ComPac
®
A/C Description & Specications
1.1 General Description .................................................................................................................................5
1.2 Model Identication .................................................................................................................................5
1.3 Serial Number Date Code ........................................................................................................................5
1.4 Ratings and Specications .......................................................................................................................6
1.5 General Operation ....................................................................................................................................9
1.6 Electronic Control Board Mode of Operation ........................................................................................10
1.7 Optional Controls ...................................................................................................................................12
1.8 Electrical Diagrams ................................................................................................................................13
1.9 Economizer Components .......................................................................................................................16
Chapter 2 Installation
2.1 Equipment Inspection .............................................................................................................................18
2.2 Installation Requirements .......................................................................................................................18
2.3 Installation Materials ............................................................................................................................19
2.4 Porting and Duct Work ..........................................................................................................................21
2.5 Fresh Air Hood Installation ...................................................................................................................22
2.6 Bracket Installation ...............................................................................................................................23
2.7 Mounting the Unit .................................................................................................................................23
2.8 Electrical Connections ...........................................................................................................................24
Chapter 3 Start-Up
3.1 Check-Out of Cooling Cycle .................................................................................................................30
3.2 Check-Out of Heating Cycle ..................................................................................................................30
3.3 A/C Testing with LL357D4 ....................................................................................................................31
Chapter 4 Troubleshooting
4.1 Overview ................................................................................................................................................32
4.2 Failure Symptoms Guide ........................................................................................................................32
4.3 Compressor Troubleshooting .................................................................................................................33
4.4 Control Board Diagnosis ........................................................................................................................34
WARNING
• If the information in these instructions are not followed exactly, a re may result
causing property damage, personal injury or loss of life.
• Read all instructions carefully prior to beginning the installation. Do not begin
installation if you do not understand any of the instructions.
• Improper installation, adjustment, alteration, service or maintenance can cause
property damage, personal injury or loss of life.
• Installation and service must be performed by a qualied installer or service agency in
accordance with these instructions and in compliance with all codes and requirements
of authorities having jurisdiction.
INSTALLER: Afx the instructions on the inside of the building adjacent to the
thermostat.
END USER: Retain these instructions for future reference.