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35
English
[2-98]= Aux heater max allowable temp release differential
AUX Heater is not allowed to energize when the outdoor
ambient temp is recovered by differential (below) above the
AUX Heater Max Allowable Temp.
AUX Heater Max Allowable
temp Release differential
Fahrenheit
Celsius
0
5
2.8°C
1
10
(default)
5.6°C
(default)
2
15
8.3°C
15.2.4. Heat pump lockout
• New control logic to provide more application options for cold
climates.
• Outside temperature can now be measured directly from the out-
door unit coil sensor.
• VRV IV HR, VRV-S and VRV Aurora series HR can also be
programed to automatically switch to emergency heat if there is a
system fault.
Item
Description
Min
Max Increments
Heat Pump
Lockout Temp
Below this tempera-
ture, heat pump is
locked out.
− 15F
(default)
50F
5F
Heat Pump
Lockout Release
differential
When the outdoor
temp is recovered by
this temp, heat pump
is resumed.
5F, 10F (default), 15F
[2-16]= Aux heater setting (Type
I
)
Value [2-16]
Aux heater
0
OFF
1
ON
[2-37]= Aux heater setting (Type
II
)
Value [2-37]
Controlling mode
1
Mode 1
2
Mode 2
3
Mode 3
4
Mode 4
5
Mode 5
6
Mode 6
01_EN_03_3P734038-3.indd 34
01_EN_03_3P734038-3.indd 34
2023/05/29 15:39:24
2023/05/29 15:39:24