Technical Manual
Table Of Contents
- DESIGN & TECHNICAL MANUAL
- Part 1. INDOOR UNIT
- 1. Specifications
- 2. Dimensions
- 3. Wiring diagrams
- 4. Capacity table
- 5. Fan performance
- 6. Operation noise (sound pressure)
- 7. Safety devices
- 8. External input and output
- 9. Group connection
- 10. Remote controller
- 11. Function settings
- 12. Accessories
- 13. Optional parts
- Part 2. OUTDOOR UNIT
- 1. Specifications
- 2. Dimensions
- 3. Installation space
- 4. Refrigerant circuit
- 5. Wiring diagrams
- 6. Capacity compensation rate for pipe length and height difference
- 7. Additional charge calculation
- 8. Airflow
- 9. Operation noise (sound pressure)
- 10. Electrical characteristics
- 11. Safety devices
- 12. External input and output
- 13. Function settings
- 14. Accessories
- 15. Optional parts
- Part 1. INDOOR UNIT
Auxiliary heat pump control
• External heater output
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
– Temperature of heater on (Thon): Set temperature (Ts) - 0.9 °F (- 0.5 °C)
– Temperature of heater off: Set temperature (Ts) + 0.9 °F (+ 0.5 °C)
Tr: Room temperature
Ts: Set temperature
Thon: Heater on temperature
Off
On
Tr-Ts
Tr-Ts (=Thon) ≤ -0.9°F (-0.5°C)
Tr-Ts ≥ 0.9°F
(0.5°C)
• Auxiliary heat pump On/Off
– Temperature of heater on (Thon): Adjustable by function number 62 (Operating temperature
switching of heat pump).
– 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
- 36 -
8-4. Details of function
8. External input and output
WALL MOUNTED
ASUH30-36LPAS
WALL MOUNTED
ASUH30-36LPAS