Inside indoor unit
This set
S602 S601
S403
S21
Option
BRC944A2B
PCB of indoor unit
Note:
Wires indicated by
thick lines are
not provided to the set.
Flap
(in control of wind
directions upward
and downward)
Mounting position of the set
Electrical
component box
Safety Precautions
•
Read these Safety Precautions carefully to ensure correct installation.
This manual classifies precautions into WARNING and CAUTION.
This set is an interface that connects a wired remote controller to a
room air conditioner.
Be sure to follow all the precautions below ; they are all important for
ensuring safety.
WARNING :
Failure to follow WARNING is very likely to result in
such grave consequences as death or serious injury.
CAUTION : Failure to follow CAUTION may result in serious
injury or property damage, and in certain
circumstances, may result in a grave consequence.
WARNING
CAUTION
•
After installation is complete, test the operation of the PCB set to
check for problems, and explain how to use the set to the end-user.
•
Starting and stopping the air conditioner and making mode and temperature
settings in the air conditioner through the wired remote controller (within a
range of 18˚C to 32˚C while in cooling mode, 14˚C to 30˚C while in heating
mode, but no temperature settings while in ventilation mode).
•
Monitoring the operating conditions, occurrence of errors, and contents of
errors of the air conditioner through the wired remote controller.
•
Restoring the operating condition of the air conditioner to the previous
condition at the time of power recovery in case of power failure.
•
Group control (i.e., the control a number of indoor units through a single
remote controller)
•
Monitoring of the following items:
Indoor temperature and operating conditions of thermo, compressor, indoor
fan, electric heater, and humidifier
•
Control of the following items:
Forced thermo OFF, filter sign display and reset, and air-conditioner charge
management
•
Energy-saving reference, low-noise reference, and demand reference
The set does not support the following functions.
Check that the set is provided with the following components.
Component Component
Installation Manual
11
Quantity Quantity
Main component
Mounting Position Wiring
Components
Outline/Features
• Installation should be left to the dealer or another qualified
professional.
Improper installation by yourself may cause malfunction, electrical shock, or fire.
•
Install the set according to the instructions given in this manual.
Incomplete or improper installation may cause malfunction, electrical
shock, or fire.
•
Be sure to use the standard attachments or the genuine parts.
Use of other parts may cause malfunction, electrical shock, or fire.
• Disconnect power to the connected equipment before
starting installation.
Failure to do so may cause malfunction, electrical shock, or fire.
• An earth leakage circuit breaker should be installed.
If the breaker is not installed, electrical shock may occur.
•
Do not install the set in a location where there is danger of
exposure to inflammable gas.
Gas accumulated around the unit at the worst may cause fire.
• To prevent damage due to electrostatic discharge, touch
your hand to a nearby metal object (doorknob, aluminum
sash, etc.) to discharge static electricity from your body
before touching this kit.
Static electricity can damage this kit.
• Lay this cable separately from other power cables to avoid
external electrical noises.
Mounting Procedure
Mounting position
of the set
Electrical
component box