Drain Pan Heater - Daikin FTXM-V Series Service Manual

Field Settings
Reference
For the location of the jumper, refer to page 20.
Caution
 If the outdoor unit is installed where the heat exchanger of the unit is exposed to direct wind,
 Intermittent noises may be produced by the indoor unit due to the outdoor fan turning on and off
 Do not place humidifiers or other items which might raise the humidity in rooms where facility
 Cutting jumper 4 (J4)/activating the facility setting sets the indoor fan tap to the highest position.
Caution
Replace the PCB if you cut a jumper unintentionally.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of them.
4.4

Drain Pan Heater

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.
 09/12 class
1. Attach the drain pan heater in accordance with the installation manual included with the drain
2. Remove the top plate of the outdoor unit. (4 screws)
3. Remove the electrical wiring box cover.
4. Cut the jumper (J9) of the PCB inside.
 18/24 class
1. Attach the drain pan heater in accordance with the installation manual included with the drain
2. Dismount the service lid by removing the 2 screws.
3. Remove the switch cover (1 screw).
4. Turn on SW6-1 on the PCB.
Reference
For the location of the jumper, refer to page 20.
154
provide a windbreak wall.
when using facility settings.
settings are being used. A humidifier might cause dew condensation from the indoor unit outlet
vent.
Notify the user about this.
pan heater.
pan heater.
Remove
the switch
Screw
cover
Turn on switch 1
Part 7 Trial Operation and Field Settings
SiUS042113E
PCB
ON
OFF
1 2
SW6
R7000288