Fujitsu AOU12RLFC


Auxiliary equipment control by room temperature
Auxiliary equipment control is switchable by room temperature. Auxiliary equipment switching is per-
formed for each room temperature divided to following 3 zones.
Tr
Ts +0.9°F (0.5 °C)
Ts -0.9°F (0.5 °C)
Ts
Zone C
Zone A
Zone B
Ts: Setting temperature
Tr: Room temperature
Zone Application
When temperature dropping When temperature rising
Primary Auxiliary Primary Auxiliary
A
Both of primary and auxiliary equipment
is unnecessary.
Off Off Off Off
B
Primary heater only.When room
temperature stays in zone B for a long
time, auxiliary equipment also operates.
On
Off*
1
— —
C Auxiliary equipment also operates. On
On*
2
On
On*
2
*1: For standby time for auxiliary equipment operation, refer to indoor unit function number 71 "Con-
tents of function setting" on page 85.
*2: When indoor unit function number 61 is set to "00", auxiliary equipment operates according to the
following conditions.
• Ts - Tr > 21.6 °F (-12.0 °C): Auxiliary equipment turn off.
• Ts - Tr > 18.0 °F (-10.0 °C): Auxiliary equipment turn on.
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8-4. Details of function 8. External input and output
DUCT TYPE ARU12-48RGLX DUCT TYPE ARU12-48RGLX