Table Of Contents - Technibel SPA250R5TAA Technical & Service Manual

1.SPECIFICATIONS.......................................................................................
1-1 Unit Specifications................................................................................
1-2 Major Component Specifications.............................................................
(A) Indoor Unit.....................................................................................
(B) Outdoor Unit.................................................................................. 11
1-3 Other Component Specifications............................................................. 16
1-4 Dimensional Data................................................................................. 16
(A) Indoor Unit..................................................................................... 16
(B) Outdoor Unit.................................................................................. 17
1-5 Refrigerant Flow Diagram...................................................................... 19
1-6 Operating Range................................................................................. 21
1-7 Cooling Capacity.................................................................................. 22
1-8 Heating Capacity................................................................................. 26
1-9 Noise Criterion Curves.......................................................................... 27
1-10 Air Throw Distance Chart....................................................................... 29
2. PROCESSES AND FUNCTIONS................................................................... 30
2-1 Room Temperature Control.................................................................... 30
(A) Cooling ........................................................................................ 30
(B) Heating......................................................................................... 31
2-2 Cold Draft Prevention (Heating Cycle)...................................................... 32
2-3 Automatic Fan Speed (Indoor Unit).......................................................... 33
(A) Cooling ........................................................................................ 33
(B) Heating......................................................................................... 33
2-4 Outdoor Fan Speed Control.................................................................... 34
(A) Cooling ........................................................................................ 34
(B) Heating......................................................................................... 34
2-5 Freeze Prevention (Cooling)................................................................... 35
2-6 Condensing Temperature Control (Cooling)............................................... 36
2-7 Overload Protection (Heating)................................................................. 37
2-8 Discharge Temperature Control (Cooling and Heating)................................. 38
2-9 Auto. Mode for Automatic Heating/Cooling Switching................................... 38
2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating).......................... 40
2-11 4-Way Valve, Solenoid Control................................................................ 41
(A) Normal Control Mode....................................................................... 41
(B) AUTO Control Mode........................................................................ 42
2-12 Automatic Restart after Power Interruption................................................ 42
2-13 Electronic Refrigerant Control Valve......................................................... 43
2-14 Compressor Discharge Gas Temperature................................................. 43
(A) Cooling ........................................................................................ 43
(B) Heating (Except During Defrosting)..................................................... 43
2-15 Compressor Current Detection Circuit...................................................... 44
2-16 Dehumidifying Operation........................................................................ 45
2-17 Auto-flap Control.................................................................................. 46
2-18 Electronic Refrigerant Control Valve Control.............................................. 47
2-19 Voltage Detection Control...................................................................... 48

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