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INTRODUCTION
Revision Y05-01Service Manual - WMZ
1. INTRODUCTION
1.1 General
The new WMZ split wall mounted range comprise the ST (cooling only)
and RC (heat pump) models, as follows:
• Cooling Only WMZ 7ST, WMZ 9ST, WMZ 12ST, WMZ 17ST,
WMZ 22ST
• Heat Pump WMZ 7RC, WMZ 9RC, WMZ 12RC, WMZ 17RC,
WMZ 22RC
The indoor WMZ units are available as LED display types only, featuring esthetic
design, compact dimensions, and low noise operation.
1.2 Main Features
• R22 and R407C models
• Microprocessor control.
• Infrared remote control with liquid crystal display.
• Cross flow fan, allowing low noise level operation.
• Indoor coil with treated aluminum fins and coating for improved efficiency.
• Easy access to the interconnecting tubing and wiring connections, so that
removing the front grill or casing is not necessary.
• Refrigerant pipes can be connected to the indoor unit from 6 different optional
directions.
• Automatic treated air sweep.
• Low indoor and outdoor noise levels.
• Easy installation and service.