Daikin VRV REYQ96MTJU Design, Installation & Testing Instruction page 58

Installation
Floor Standing Rig the drain pipe as shown below and take measures against condensate. Improperly
rigged piping could lead to leaks and eventually wet furniture and belongings.
Type
(1) Carry out the drain piping
(FXLQ-M)
Concealed Floor
Standing Type
(FXNQ-M)
Select converging drain pipes whose gauge is suitable for the operating capacity of the unit.
(2) After piping work is finished, check drainage flows smoothly.
(3) Be sure to insulate all indoor pipes
Caution
52
Connect the drain hose (1) using the attached hose and parts, as shown in the right drawing.
Piping process
inside unit
Tilt
If converging multiple drain pipes, install according to the procedure shown below.
Add approximately 1 liter of water slowly from the air outlet and check drainage flow.
Drain piping connections Do not connect the drain piping directly to sewage pipes that smell of
ammonia. The ammonia in the sewage might enter the indoor unit through the drain pipes and
corrode the heat exchanger.
Keep in mind that it will become the cause of getting drain pipe blocked if water collects on drain
pipe.
Drip pan
Metal clamp
(accessory) (2)
Drain hose
(accessory) (1)
2 or more
3/4 drain pipe
Cut to suitable length
(length : in.)
Slope downwards at a gradient
of at least 1/100
Si39-406
General Information