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SiE33-102
Field Wiring
Installation Manual
161
7.6.8
Setting the Cool/Heat Operation
1. Performing cool/heat setting with the remote control connected to the indoor unit.
Keep the cool/heat selector switch (SS1) on the outdoor unit PC board (A1P) at the factory setting
position IN/D UNIT.
2. Performing cool/heat setting with the cool/heat selector.
Connect the cool/heat selector remote control (optional) to the A/B/C terminals and set the cool/heat
selector switch (SS1) on the outdoor unit PC board (A1P) to OUT/D UNIT.
Caution
For low-noise operation, it is necessary to get the optional “External control adaptor for outdoor unit”.
For details, see the installation manual attached to the adaptor or service manual Si33-101.
TO IN/D
UNIT
F1
F2
IN/D
UNIT
OUT/D
UNIT
SS1
C/H
SELECT
F1 F2
F1 F2
F1 F2
Remote control
(V1863)
IN/D
UNIT
OUT/D
UNIT
SS1
C/H
SELECT
A B C
A B C
Cool/Heat selector
(V1864)
Si33-102.book Page 161 Tuesday, June 26, 2001 3:18 PM
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