Daikin VRV IV-S RXTQ-TAVJU Series Service Manual page 129

SiUS331604E
Heat pump lockout temperature
Heat pump would be locked out when the outdoor ambient temperature is smaller than the heat pump lockout
temperature. This setting is only effective when heat pump lockout mode has been set.
No.
Setting item
Heat pump
57 lockout
temperature
Heat pump lockout release differential
Heat pump would be resumed when the outdoor ambient temperature is recovered by differential above the heat
pump lockout temperature.
No.
Setting item
Heat pump
lockout
47
release
differential
Automatic lockout
When heat pump lockout mode has been set, the auto backup function will automatically be set. This will allow
the auxiliary or secondary heat source to be automatically energized in the event of a system failure related to
outdoor units.
Field Setting
Setting item display
C/H selection
MODE TEST
IND Master
H1P H2P
H3P H4P
k k k k
Setting item display
C/H selection
MODE TEST
IND Master
H1P H2P
H3P H4P
k k h k
Low
Demand
noise
Slave
H7P
H6P
H5P
–26.1°C (–15°F)
–23.3°C (–10°F)
–20.5°C (–5°F)
–17.7°C (0°F)
–15°C (5°F)
–12.2°C (10°F)
–9.4°C (15°F)
h h k
–6.6°C (20°F)
–3.8°C (25°F)
–1.1°C (30°F)
1.6°C (35°F)
4.4°C (40°F)
7.2°C (45°F)
10°C (50°F)
Forced heat
pump lockout
Low
Demand
noise
Slave
H7P
H6P
H5P
2.8°C (5°F)
k k k
5.6°C (10°F)
8.3°C (15°F)
Field Setting from Outdoor Unit
Setting condition display
∗
Factory setting
k h h h h h h
k h h h h h k
k h h h h k h
k h h h h k k
k h h h k h h
k h h h k h k
k h h h k k h
k h h h k k k
k h h k h h h
k h h k h h k
k h h k h k h
k h h k h k k
k h h k k h h
k h h k k h k
k h h k k k h
Setting condition display
∗
Factory setting
k h h h h h h
k h h h h h k
k h h h h k h
∗
∗
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