Daikin REYQ-XA, Service Manual

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Field Settings for Outdoor Unit SiUS371901E
213 Field Settings and Test Operation
2.5.4 Auxiliary Heat Control
To improve efficiency the auxiliary heat can be lockout based on outdoor temperature.
[2-97]: Auxiliary heater maximum allowable temperature
Auxiliary heater is allowed to energize when the ambient temperature is smaller than the auxiliary heater
maximum allowable temperature.
[2-98]: 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.
Item Description Min Max Increments
Auxiliary heater
allowable
temperature
Below this temperature,
auxiliary heater can be
energized based on the
indoor temperature
condition.
0°F
65°F
(35°F
default)
5°F
Auxiliary heater
allowable
temperature release
differential When the outdoor
temperature recovered by
this temperature, auxiliary
heater cannot be allowed.
5°F, 10°F (default), 15°F
Auxiliary heater maximum
allowable temperature
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 (default) 35 1.6
8 40 4.4
9 45 7.2
10 50 10
11 55 12.7
12 60 15.5
13 65 18.3
14 Auxiliary heater always NOT allowed
15 Auxiliary heater always allowed
Auxiliary heater max allowable
temperature release differential
Fahrenheit (°F) Celsius (°C)
0 5 2.8
1 (default) 10 5.6
2 15 8.3