Air Conditioner 4000 Installation, Operating & Maintenance Manual
AC-4 CS030040 4K Manual Rev D Page 2 of 17
Contents
1 GENERAL SAFETY & WARNING INSTRUCTIONS ....................................................................... 3
2 UNPACKING, HANDLING & INITIAL INSPECTION ..................................................................... 3
3 MODELS COVERED BY THIS MANUAL .......................................................................................... 4
3.1 MODEL IDENTIFICATION ...................................................................................................................... 4
3.2 GENERAL PERFORMANCE DATA ........................................................................................................... 4
4 DIMENSIONS & INSTALLATION ....................................................................................................... 5
4.1 PRODUCT DRAWING ............................................................................................................................ 5
4.2 MOUNTING TEMPLATE ......................................................................................................................... 6
4.3 GASKET INSTALLATION ....................................................................................................................... 7
4.4 INSTALLATION AND CONNECTIONS ...................................................................................................... 7
4.5 UNIT OPERATION ................................................................................................................................. 7
5 USACG-6 INTELLIGENT CONTROLLER OPERATION ................................................................ 8
5.1 USACG-6 CONTROLLER DIAGRAM ..................................................................................................... 8
5.2 MODIFY HEATING SET POINT ................................................................................................................ 8
5.3 MODIFY COOLING SET POINT ............................................................................................................... 9
5.4 CHANGE UNIT OF MEASURE ................................................................................................................. 9
5.5 DEBUGGING THE SYSTEM ..................................................................................................................... 9
5.5.1 Observing the return temperature and fault codes...................................................................... 9
5.5.2 Initiating the “TEST” sequence ................................................................................................ 10
5.5.3 Resetting the controller to factory defaults ............................................................................... 10
6 MAINTENANCE .................................................................................................................................... 11
6.1 PREVENTATIVE MAINTENANCE SCHEDULE........................................................................................ 11
6.2 EVAPORATOR AND CONDENSER COIL CLEANING .............................................................................. 12
6.3 COMPRESSOR & REFRIGERANT SYSTEM ............................................................................................ 12
6.4 BLOWERS ........................................................................................................................................... 12
6.5 FILTERS ............................................................................................................................................. 12
6.6 OVERLOAD TEMPERATURE LIMITING DEVICE ................................................................................... 12
6.7 TROUBLESHOOTING ........................................................................................................................... 13
6.8 WIRING DIAGRAM ............................................................................................................................. 14
6.8.1 CS030040 – Shown with 1200W or 1500W Heater .................................................................. 14
6.9 SPARE PARTS GUIDE .......................................................................................................................... 15
7 WARRANTY .......................................................................................................................................... 16
8 RETURN MATERIAL AUTHORIZATION PROCEDURE ............................................................. 17
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