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English
14
1.
Refrigerant piping
2.
Changing upward air flow dipswitch
Change the upward air flow dipswitch (SW2-4) to ON to limit the upward air flow.
1) Remove the front grille.
2) Switch the dipswitch (SW2-4) on the PCB in the electrical equipment box to ON.
CAUTION
Be sure to turn on the upward air flow switch. Failure to do so may cause incomplete cooling/heating and formation of
condensation inside the house.
NOTE:
For
refrigerant piping, Boring a wall hole and installing wall embedded pipe, drain piping, installing indoor unit,
flaring the pipe end, connecting the refrigerant pipe, checking for gas leakage, attaching the connection pipe,
connecting the drain hose, wiring, when connecting to an HA system,
see
Exposed Installation
.
Left bottom piping
Right bottom piping
45
60
75
Hole location
Right/left piping
45
45
75
(Unit: mm)
Switch number
SW2-4
OFF
Set function
Use
Factory setting
Upward air flow limit
Switch to on for
embedded units
ON
OFF
ON
OFF
How to set and use the switch
•
Upward air flow dipswitch
01_EN_3P191292-1E.fm Page 14 Monday, November 10, 2008 6:44 PM
