Service manual

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INTRODUCTION
Revision Y05-01Service Manual - KN Series
1. INTRODUCTION
1.1 General
The cassette (900X900) split celling mounted range comprise the ST (cooling only) and
RC (heat pump) models, as follows:
• Cooling Only KN24ST, KN30ST , 1PH & 3PH units
• Heat Pump KN24RC, KN30RC, 1PH & 3PH units
1.2 Main Features
The (900X900) Cassette series benefits from the most advanced technological
innovations, namely:
• R410A units
• Microprocessor control.
• Indoor spacial centrifugal fan for low noise opration
• High COP.
• Easy access to interconnecting tubing and wiring connections,
• Integral condensate water pump.
• Automatic treated air sweep.
• Easy installation and service.
1.3 Indoor Unit
The indoor unit is celling mounted, and can be easily fitted to many types of residential
and commercials applications.
It includes:
• Square bended coil with hydrophilic aluminum fins.
• A large diameter centrifugal fan
• Motorized flaps
• Advanced electronic control box assembly.
1.4 Filtration
The Cassette series presents with easily accessible, and re-usable pre-filters (mesh)
1.5 Control
The microprocessor indoor controller, and an infrared remote control, supplied as
standard, provide complete operating function and programming. For further details
please refer to the Operation Manual, Appendix A.
CONTENT