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HWE0803A GB
1) Unless otherwise specified, leave the switch to OFF where indicated by "-," which may be set to OFF for a reason.
2) A: Only the switch on either the OC or OS needs to be set for the setting to be effective on both units.
B: The switches on both the OC and OS need to be set to the same setting for the setting to be effective.
C: The setting is effective for the unit on which the setting is made.
3) The noise level is reduced by controlling the compressor frequency and outdoor fan rotation speed
A setting of CN3D is required.(page 23)
Switch Function
Function according to switch setting Switch setting timing
Units that re-
quire switch
setting
Note.2
OFF ON OFF ON OC OS
SW3
1
Test run mode: en-
abled/disabled
SW3-2 disabled SW3-2 enabled Anytime after power on
A-
2
Test run mode: ON/
OFF
Stops all ICs
Sends a test-run
signal to all IC
After power on and when
SW3-1 is on.
A-
3
Defrost start temper-
ature
<P72>
-10°C [14°F]
-5°C [23°F] Anytime after power on
BB
<P96, P120>
-8°C [18°F]
4
Defrost end temper-
ature
<P72>
10°C [50°F]
<P72>
15°C [59°F]
Anytime after power on
(except during defrost op-
eration)
BB
<P96, P120>
7°C [45°F]
<P96, P120>
12°C [54°F]
5- - - - --
6
Temperature unit
setting
Centigrade Fahrenheit Anytime after power on
CC
7
Target condensing
temperature setting
for heating
49°C [120°F] 53°C [127°F] -
A-
8- - - - --
9
Model setting
(To change the ex-
ternal static pressure
setting)
Outdoor standard
static pressure
Outdoor high static
pressure
Before being energized
CC
10
Model setting
(To change the ex-
ternal static pressure
setting)
High static pressure
60Pa
High static pressure
30Pa
Before being energized
CC
SW4
1
Enable/disenable
high sensible opera-
tion
Normal operation
mode
High sensible heat
operation mode
Before being energized
A-
2- - - - --
3
Refrigerant amount
adjustment
Normal operation
mode
Refrigerant amount
adjust mode
Anytime after being ener-
gized (except during ini-
tial startup mode.
Automatically cancelled
90 minutes after com-
pressor startup)
A-
4
Low-noise mode/
step demand switch-
ing
Low-noise mode
(Note 3)
Step demand mode Before being energized
CC
5- - - - --
6
Cumulative com-
pressor operation
time data deletion
Cumulative com-
pressor operation
time data is re-
tained.
Cumulative com-
pressor operation
time data is delet-
ed.
Anytime after power on
(when the unit is turned
on)
CC
7- - - - --
8- - - - --
9- - - - --
10 - - - - - -