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English
Indoor Unit Installation
7.
Drain piping
1) Connect the drain hose, as described right.
2) Remove the upper front panel and the air filters.(Refer to removal method on page 4.)
Pour some water into the drain pan to check the water flows smoothly.
3) When drain hose requires extension, obtain an extension hose with an inner
diameter of 16mm.
Be sure to thermally insulate the indoor section of the extension hose.
4) When connecting a rigid polyvinyl chloride pipe
(nominal diameter 13mm) directly to the drain
hose attached to the indoor unit as with
embedded piping work, use any commercially
available drain socket (nominal diameter 13mm)
as a joint.
Wiring diagram parts table
A1P~A3P............... Printed circuit board
BZ .......................... Buzzer
FG.......................... Frame ground
F1U , F 2 U ............ Fuse
H1P, H2P............... Pilot lamp
M1F....................... Fan motor
M1S, M2S, M3S .... Swing motor
M1.......................... Stepping motor
R1T,R2T................. Thermistor
S25~S2 0 0 ............. Connector
S1C........................ Limit switch
S1W....................... Operation switch
X1M ....................... Terminal strip
.......................... Protective earth
CAUTION
Note that operation will restart automatically if the
main power supply is turned off and then back on
again.
HIGH VOLTAGE – be sure to discharge the capacitor
completely before repair work.
Risk of failure or water leakage!
Do not wash the inside of the air conditioner
by yourself.
The drain hose should
be inclined downward.
No trap is permitted.
Do not put the end
of the hose in water.
Indoor unit
drain hose
φ
18
Extension drain hose
Heat insulation tube (field supply)
Drain hose supplied with
the indoor unit
Commercially available
drain socket
(nominal diameter 13mm)
Commercially available
rigid polyvinyl chloride pipe
(nominal diameter 13mm)
φ
18
