16 | Unit installation
Installer and user reference guide
54
FXDA10~63A2VEB
VRV system air conditioner
4P599621-1A – 2020.10
a Drain outlet for maintenance
b Refrigerant pipes
c Drain pipe connection
1 Push the drain hose as far as possible over the drain pipe connection.
2 Tighten the metal clamp until the screw head is less than 4 mm from the
metal clamp part.
3 Check for water leaks (see "To check for water leaks"[455]).
4 Wind the large sealing pad (= insulation) around the metal clamp and drain
hose, and fix it with tie wraps.
5 Connect the drain piping to the drain hose.
≤4 mm
A-A'
b
a
d
c
3
1
2~61
4
d
A
A'
A
A'
e
5
2
c
ba
a Drain pipe connection (attached to the unit)
b Drain hose (accessory)
c Metal clamp (accessory)
d Large sealing pad (accessory)
e Drain piping (field supply)
NOTICE
▪ Do NOT remove the drain pipe plug. Water might leak out.
▪ Use the drain outlet only to discharge the water before maintenance.
▪ Insert and remove the drain plug gently. Excessive force may deform the drain
socket of the drain pan.
Pull out the plug.
▪ Do NOT wiggle the plug up and down.
Push in the plug.
▪ Set the plug and push it in using a Phillips screwdriver.