Si39-406
Electric Wiring Work
Installation Manual BS Unit
189
7.6
Initial Setting
After finishing wiring work, set the followings if necessary.
1. COOL/HEAT temperature difference setting switch (Set indoor unit remote controller to
field setting mode.)
• Used to change the temperature difference upon occurence of which to start cooling and
heating in the automatic COOL/HEAT mode.
Settings are made from the remote controller of the indoor unit connected to the BS unit. The
unit must be in
“Field setting mode”
. Make settings as explained in
“Field setting”
(provided with the remote controller).
The first and second code Nos. are set to 1 and 0°F respectively when the unit is shipped for the
factory.
2. Remote controller change over switch (SS1, SS2)
• When using COOL/HEAT selector, turn this switch to the BS side.
When using cool/heat selector, connect to the terminal A, B and C on the EC of the electric parts
box.
Mode No.
First code No.
Second code No.
COOL/HEAT temperature
difference (°F)
12 (22)
4
1
0
2
1.8
3
3.6
4
5.4
5
7.2
6
9.0
7
10.8
8
12.6
SS2
SS1
This setting must be completed
before turning power supply ON.
NOTE:
1
2
1
2
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Page 236: ...375 Park Avenue Suite 3308 New York N Y 10152 info daikinac com www daikinac com...