WARNING
• Design and install external heater appropriately with considering its protection.
• Inappropriate designing and installation of external heater may cause a fire by emitted heat from
the external heater.
• Fujitsu General Ltd. is not responsible for inappropriate designing or installation of external
heating device.
Auxiliary heater control 1
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
•
Fan stop protection
• Temperature of heater on (Thon): Adjustable by function number 62 (Operating temperature
switching of external heaters).
• All control temperatures will shift by adjusting “Thon”.
Off
Off
On
Tr-Ts ≥ -1.8°F
(-1°C)
Tr-Ts
Tr-Ts (=Thon) < -5.4°F
(
-3°C)
Tr-Ts ≥ -18°F
(-10°C
)
Tr-Ts < -21.6°F (-12°C)
Tr: Room temperature
Ts: Set temperature
Thon: Heater on temperature
Example:
→hen set temperature (Ts) is 72°F (22°C) (Factory setting),
• and room temperature (Tr) increases above 53.6°F (12°C), signal output is on.
• and room temperature (Tr) increases above 69.8°F (21°C), signal output is off.
• and room temperature (Tr) decreases below 66.2°F (19°C), signal output is on.
• and room temperature (Tr) decreases below 50°F (10°C), signal output is off.
Auxiliary heater control 2
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
•
Fan stop protection
• Temperature of heater on (Thon): Adjustable by function number 62 (Operating temperature
switching of external heaters).
• All control temperatures will shift by adjusting “Thon”.
Off
On
Tr-Ts ≥ -1.8°F
(-1°C)
Tr-Ts
Tr-Ts (=Thon) < -5.4°F
(
-3°C)
Tr: Room temperature
Ts: Set temperature
Thon: Heater on temperature
2-4. Details of function
- (05-26) -
2. External input and output
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Содержание AOUH18LMAS1
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Страница 5: ...1 GENERAL INFORMATION 2021 11 01 SR_CH01_AS052EF_01 ...
Страница 15: ...2 TECHNICAL DATA AND PARTS LIST 2021 11 17 SR_CH02_AS052EF_04 ...
Страница 39: ...3 TROUBLESHOOTING 2021 11 17 SR_CH03_AS052EF_01 ...
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Страница 135: ...4 CONTROL AND FUNCTIONS 2021 11 17 SR_CH04_AS052EF_01 ...
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Страница 173: ...5 FILED WORKING 2021 11 17 SR_CH05_AS052EF_01 ...