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English
[2-62]= Cooling and heating capacity learning control
Default value=0.
Value
[2-62]
Description
0
OFF
1
Cooling adjustment
2
Heating adjustment
3
Cooling and heating adjustment
Adjust cooling and heating system operation to achieve
stable capacity.
Note: This setting may result in a longer reaction time to
large load variations.
[2-81]= Cooling comfort setting for VRT control
Default value=1.
Value
[2-81]
Cooling comfort setting
0
Eco
1
Mild (default)
2
Quick
3
Powerful
Change [2-81]=0, 1, 2 or 3 in function of required limitation.
This setting is used in conjunction with setting [2-8] and
[2-47].
In the case of [2-81]=0, the original refrigerant temperature
target based on [2-8] and [2-47] is kept without any correc-
tion, unless for protection control.
For more information and advice about the effect of these
settings, see 15.3. Energy saving and optimum operation.
[2-82]= Heating comfort setting for VRT control
Default value=1.
Value
[2-82]
Heating comfort setting
0
Eco
1
Mild (default)
2
Quick
3
Powerful
Change [2-82]=0, 1, 2 or 3 in function of required limitation.
This setting is used in conjunction with setting [2-9].
In the case of [2-82]=0, the original refrigerant temperature
target based on [2-9] is kept without any correction, unless
for protection control.
For more information and advice about the effect of these
settings, see 15.3. Energy saving and optimum operation.
[2-86]= Optional setting to prioritize VRT control.
Default value=0.
Value
[2-86]
Level
0
Prioritize largest demand
2
Prioritize smallest demand
Note:
The setting of [2-86] = 2 saves energy but may increase the
time required to reach set point.
[2-89]= Intermittent fan operation
Default value=0.
Value
[2-89]
Intermittent fan operation
0
OFF
1
30 minutes OFF, 1 minute ON
with medium fan speed
2
30 minutes OFF, 1 minute ON
with high fan speed
Outdoor fan speed would be increased for assisting to discharge
snow on outdoor fan when outdoor fan is stop or low speed.
[2-92]= Te target temperature upper limit
Default value=1.
Value
[2-92]
Te target temperature upper limit
0
L
1
M
2
H
If Auto Te, then use this setting to address different load pro-
files. If the frequent operation is at lower system load, then
use a higher setting under [2-92].
Note: In high humid areas, it is recommended to keep this
setting to 0 or 1.
15.2.3. Auxiliary heat control
To improve efficiency the aux heat can be lockout based on outdoor
temperature.
Item
Description
Min
Max
Increments
AUX Heater
Allowable Temp
Below this tempera-
ture, AUX heater can
be energized based
on the indoor tempera-
ture condition.
0F
65F
(35F
default)
5F
AUX Heater
Allowable temp
Release
differential
When the outdoor
temp recovered by
this temp, AUX heater
cannot be allowed.
5F, 10F (default), 15F
[2-97]= Aux heater max allowable temp
AUX Heater is allowed to energize when the ambient temp is
smaller than the AUX Heater Max Allowable Temp.
AUX Heater Max
Allowable Temp
Fahrenheit
Celsius
0
0
− 17.7
1
5
− 15
2
10
− 12.2
3
15
− 9.4
4
20
− 6.6
5
25
− 3.8
6
30
− 1.1
7
35 (default)
1.6 (default)
8
40
4.4
9
45
7.2
10
50
10
11
55
12.7
12
60
15.5
13
65
18.3
14
AUX Heater always NOT allowed
15
AUX Heater always allowed
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2023/09/11 14:58:24
2023/09/11 14:58:24