Daikin VRV EMERION REYQ-AATJA Service Manual page 273

SiUS372201EB
2.5.4 Auxiliary Heat Control
To improve efficiency the auxiliary heat can be lockout based on outdoor temperature.
Auxiliary heater
allowable
temperature
Auxiliary heater
allowable
temperature
release differential
[2-97]:
[2-98]:
Auxiliary heater max allowable
temperature release differential
Part 5 Field Settings and Test Operation
Item Description
Below this temperature, auxiliary
heater can be energized based on
the indoor temperature condition.
When the outdoor temperature
recovered by this temperature,
auxiliary heater cannot be allowed.
Auxiliary heater maximum allowable temperature
Auxiliary heater is allowed to energize when the ambient temperature is smaller
than the auxiliary heater maximum allowable temperature.
Auxiliary heater
maximum allowable
temperature
0
1
2
3
4
5
6
7 (default)
8
9
10
11
12
13
14
15
Auxiliary heater maximum allowable temperature release differential
Auxiliary heater is not allowed to energize when the outdoor air temperature is
recovered by differential (below) above the auxiliary heater maximum allowable
temperature.
0
1 (default)
2
Min
(−17.7°C)
Fahrenheit (°F)
0
5
10
15
20
25
30
35
40
45
50
55
60
65
Auxiliary heater always NOT allowed
Auxiliary heater always allowed
Fahrenheit (°F)
5
10
15
Field Setting from Outdoor Unit
Max
65°F (18.3°C)
0°F
(Default
35°F (1.6°C))
5°F, 10°F (default), 15°F
(2.8°C, 5.6°C (default), 8.3°C)
Celsius (°C)
−17.7
−15
−12.2
−9.4
−6.6
−3.8
−1.1
1.6
4.4
7.2
10
12.7
15.5
18.3
Celsius (°C)
2.8
5.6
8.3
Increments
5°F
(2.8°C)
266