2 Indoor Unit
Ceiling Concealed Duct - High Static Type Indoor Unit Installation Manual
TABLE OF CONTENTS
❏ Four type "A" screws
❏ Connecting cable
❏ Pipes: Gas side
Liquid side
(Refer to Product
Data)
❏ Insulation materials
❏ Additional drain pipe
❏ Level gauge
❏ Screw driver
❏ Electric drill
❏ Hole core drill
❏ Flaring tool set
❏ Specified torque wrenches
(different depending on model No.)
❏ Spanner .......Half union
❏ A glass of water
❏ Screw driver
❏ Hexagonal wrench
❏ Gas-leak detector
❏ Vacuum pump
❏ Gauge manifold
❏ Owner's manual
❏ Thermometer
Features ...................................3
Safety Precautions.................4
Installation ...............................7
Selection the best location ....7
Ceiling opening dimension
and hanging bolt location ......8
Indoor Unit Installation...........9
Wiring Connection .................9
Checking the Drainage........10
Indoor Unit Drain Piping ......11
Dip Switch Setting ...............13
Group Control Setting..........14
Model Designation...............18
Airborne Noise Emission.....18
Limiting concentration .........18
How to Set E.S.P? ................19
Installation Requirements
Required Parts Required Tools
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