Fujitsu ASUH09LPAS User Manual


Auxiliary heater control by outdoor temperature 2
This control selects heat pump or external heater according to the outdoor temperature. Even when
outdoor temperature is high, the heating is performed by using both of heat pump and external
heater.
• Compact cassette type
Operation Condition
Heater on
Heater is on as shown in following diagram of heating
temperature.
Heater off
• Heater is off as shown in following diagram of heating
temperature.
• Other than heating mode
• Error occurred
• Forced thermostat off
• Slim duct type
Operation Condition
Heater on
Heater is on as shown in following diagram of heating
temperature.
Heater off
DIP-SW101-3 On • Heater is off as shown in following diagram of heating
temperature.
• Other than heating mode
• Error occurred
• Forced thermostat off
• Fan stop protection
Indoor unit fan
setting for
external heater
Enabled
DIP-SW101-3 Off • Heater is off as shown in following diagram of heating
temperature.
• Other than heating mode
• Error occurred
• Forced thermostat off
Indoor unit fan
setting for
external heater
Disabled
• Temperature of heater on (Thon): Adjustable by function number 62 (Operating temperature
switching of external heaters).
• All control temperatures will shift by adjusting “Thon”.
• Outdoor temperature zone boundary A: Adjustable by function setting number 666666.
• External heater output
Tr: Room temperature
Ts: Set temperature
Thon: Heater on temperature
Tr-Ts
Off
On
*
Tr-Ts ≥ 0.9°F
(0.5°C)
Tr-Ts (=Thon) < -0.9°F (-0.5°C)
*: When room temperature stays in this zone for a specific time, auxiliary heater is turned on. For
details, refer to function number 71.
- 108 -
11-4. Details of function 11. External input and output (Compact cassette type and slim duct type indoor unit)
MULTI-SPLIT TYPE 5-unit type
MULTI-SPLIT TYPE 5-unit type

Fujitsu ASUH09LPAS Specifications

General

Brand	Fujitsu
Model	ASUH09LPAS
Category	Air Conditioner
Language	English