Daikin RXYQ-TA Series Service Manual page 165

SiUS341615E
[2-37]: Heat pump lockout 2
Heat pump is locked out when this setting and an external input to ABC terminal are made.
Automatic lockout
When this setting is made, the auto-backup function will automatically be activated. This will allow the
auxiliary or secondary heat source to be automatically energized in the event of a system failure related to
outdoor units.
0 (default)
Mode
Mode 1
Mode 2
(∗1)
Mode 3
Mode 4
Mode 5
Mode 6
∗1. For a heater which does not need airflow
∗2. Depends on the indoor unit field setting 12(22)-3.
[2-38]: Emergency operation "Master"
To disable permanent compressor operation: in case of single module or "Master" unit of a multi outdoor
system, this setting allows:
Default value: 0. Compressor operation enabled.
Field setting:
Set 1: inverter 1 compressor is disabled.
Set 2: inverter 2 compressor is disabled. Only to make in case of 12/14 ton.
Note that compressor 2 is left side located.
Set 3: all compressors in this master module are disabled permanent.
[2-39]: Emergency operation "Slave 1"
To disable permanent compressor operation of "Slave 1" unit of a multi outdoor system (RXYQ-TA):
Default value: 0. Compressor operation enabled.
Field setting:
Set 1: inverter 1 compressor is disabled.
Set 2: inverter 2 compressor is disabled. Only to make in case of 12/14 ton. Note that compressor 2 is
Set 3: all compressors in this master module are disabled permanent.
Field Settings
Value
[2-37]
1
2
3
4
5
6
Description
Lockout is controlled by an
external input to ABC terminal
Lockout is controlled by the
outdoor temperature and
setpoint which is configured by
the setting [2-94] and [2-95]
left side located.
Heat pump lockout 2
OFF
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Shorted
Field setting
between
A-C
2-37: Mode 1
B-C
A-C
2-37: Mode 2
B-C
2-37: Mode 3
2-37: Mode 4
2-37: Mode 5
2-37: Mode 6
Field Settings for Outdoor Unit
Actions
Heating Thermo-on Heating Thermo-off
Heater Fan Heater
ON (H/L)
ON
LL
OFF
Same as 2-37: Mode 1, A-C shorted
Same as 2-37: Mode 1, B-C shorted
Same as 2-37: Mode 2, A-C shorted
Same as 2-37: Mode 2, B-C shorted
Fan
LL (∗2)
OFF
OFF
LL (∗2)
OFF
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