Engineering Manual

Signal Receiver PAR-SR3LA-E
● To install the signal receiver to the 2 locations other than the standard location, follow the procedure below.
● Installation procedure for the alternative location 1
1. Pass the lead wire of signal receiver through the square hall
located in the corner of grille.
2. Loosen the 2 screws fixing the electrical box cover on the unit,
and slide the cover to open.
3. Route the lead wire of signal receiver (white, 9 poles) from the
electrical box side on the unit, and certainly connect it to CN90
on the indoor controller board.
4. The lead wire of signal receiver must be held together without
slack using the clamp into the electrical box.
5. Follow the reverse procedure of 2 to reinstall the electrical box
cover on the unit.
6. Install the signal receiver to the grille and fix with the screws.
● Installation procedure for the alternative location 2
1. Pass the lead wire of signal receiver through the square hall located
in the corner of grille.
2. Loosen the 2 screws fixing the electrical box cover on the unit,
and slide the cover to open.
3. Route the lead wire of signal receiver (white, 9 poles) from the
electrical box side on the unit, and certainly connect it to CN90 on
the indoor controller board.
4. The lead wire of signal receiver must be held together without slack,
and fixed with the cable band into the electrical box.
5. Follow the reverse procedure of 2 to reinstall the electrical box cover
on the unit.
6. Install the signal receiver to the grille and fix with the screws.
Prohibited location to
install the signal receiver
Drain pipe side of main unit Refrigerant pipe side of main unit
Screws for
the electrical
box cover
Screw
CN90 on indoor
controller board
Electrical box
Clamp
Screw
Screws for
the electrical
box cover
Screw
CN90 on indoor
controller board
Electrical box
Screw
Cable band
Standard location of signal
receiver installation
Alternative location 2 to install
the signal receiver
(The corner with air outlet
identification marks )
Alternative location 1 to install
the signal receiver
(The corner with air outlet
identification marks )
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