How To Set The Different Addresses; Connecting To The Ha System (Wired Remote Controller, Central Remote Controller Etc.); Pump Down Operation - Daikin FTXZ25NV1B Installation Manual

• Installation method
1) Attach the front grille (bottom).
Make sure that the tabs on both sides are securely
hooked. (See Fig. 8)
2) Attach the service lid and secure it with a screw.
3) Attach the screw cover.
4) Attach the front grilles (left and right) and tighten the
mounting screws (2 screws for the left side, 3 for the
right side).
The front grilles (left and right) are likely to override the
front grille (bottom). Pay due caution when attaching
them. (See Fig. 9)
 How to set the different addresses
• When 2 indoor units are installed in one room, the 2 wireless remote controllers can be set for different addresses.
Change the address setting of one of the two units.
• For details, refer to the operation manual.
 Connecting to the HA system
(Wired remote controller, central remote controller etc.)
1) Remove the front panel, streamer unit, and front grille (right). (3 screws) (Refer to page 17)
2) Remove the electrical wiring box cover. (3 tabs)
3) Insert the HA connection cord into the HA connector "S21" (white).
4) Route the HA connection cord.
5) Reattach the electrical wiring box cover to the original position. (3 tabs)
6) Reattach the front grille (right), streamer unit, and front panel to the original positions.
 Pump down operation
In order to protect the environment, be sure to pump down when relocating or
disposing of the unit.
1) Remove the valve cap from liquid stop valve and gas stop valve.
2) Carry out forced cooling operation.
3) After 5 to 10 minutes, close the liquid stop valve with a hexagonal wrench.
4) After 2 to 3 minutes, close the gas stop valve and stop forced cooling operation.
< Forced cooling operation >
Using the indoor unit ON/OFF switch
Open the front panel and press the indoor unit ON/OFF switch for at least
5 seconds. (The operation will start.)
• Forced cooling operation will stop automatically after about 15 minutes.
To stop the operation, press the indoor unit ON/OFF switch.
CAUTION
After closing the liquid stop valve, close the gas stop valve within 3 minutes, then stop the forced cooling operation.
Electrical wiring box
Electrical wiring box cover
Tabs
Fig. 8
Fig. 9
Good
How to route the HA connection cord
Liquid stop valve
Gas stop valve
After the operation, reattach the valve cap
to the original condition.
Overriding
the front grille
(bottom)
Front grille (bottom)
Wrong
HA connector
"S21" (white)
Hexagonal
wrench
Close
Valve cap
18 18