When Attaching The Drain Pan Heater - Daikin RX09WMVJU9 Installation Manual

Facility Setting
(cooling at low outdoor temperature)
This function is designed for facilities such as equipment or computer rooms. It is never to be used
in a residence or office where people occupy the space.
„ Cutting the jumper 6 (J6) on the circuit board will expand the operation range down to 14°F (–10°C).
Installing an air direction adjustment grille (sold separately) will further extend the operation range to –4°F (–20°C).
In these cases, the unit will stop operating if the outdoor temperature falls below –4°F (–20°C), restarting once the
temperature rises above this level.
1) Remove the top plate of the outdoor unit. (4 screws)
2) Remove the front plate. (5 screws)
3) Cut the jumper (J6) of the PCB inside.
For RXL12
Cut the jumper (J6).
J12
J11
J9
J8
J6
J5

When Attaching the Drain Pan Heater

WARNING
• Make sure to turn the power OFF before performing work.
In high humidity areas or heavy snow areas, it is recommended to attach a drain pan heater to
prevent ice build-up from the bottom frame.
1) Attach the drain pan heater in accordance with the installation manual included with the drain pan heater.
2) Cut the jumper (J9) of the PCB inside.
For RXL12
Cut the jumper (J9).
J12
J11
J9
J8
J6
J5
11
For RX09/12, RXL09
Cut the jumper (J6).
For RX09/12, RXL09
Cut the jumper (J9).
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