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13. Outdoor Unit Operation Control
13.1 System Start Control
13.1.1 Outdoor unit operation mode judgment
•
When remote control, centralized control, or Cool/Heat Selector Switch (CZ-RD1) is turned ON, outdoor unit
operation mode is set as shown in table below:
Indoor Unit Operation Condition
Outdoor Unit Operation Condition
Cool or Soft Dry Mode
Cool Mode
Heat Mode
Heat Mode
Fan Mode
Off
•
The priority of outdoor unit operation mode is given to the indoor unit that turn ON first, when another operation
mode is selected from other indoor unit, the subsequence operation mode will be standby.
•
When all indoor units have stopped operation in deice control, outdoor unit continues operation Heat mode, and
operation mode stops after completion of deice control.
13.2 Outdoor Expansion Valve Control
Expansion Valve is a VDC12 solenoid valve that controls the amount of refrigerant flow.
Operation
Power Up
Comp Start Up
Normal Control
Cooling
Initialization
Open 480pulse (fully)
Open 480pulse (fully)
Heating Initialization
T
out
> 10°C 350pulses
T
out
= 1~10°C 400pulses
T
out
≤
0°C 480pulses
Opening depend on condenser
super heat condition.
Initialization Process :
•
1st - Close valve fully.
•
2nd - Open valve fully.
Initialization Process will be executed every cycle of 10th compressor ON time during operation.
13.3 4 way Valve Control
4 Way Valve is a VAC220~240 solenoid valve used to reverse the refrigerant flow in system.
Cooling Operation Cycle : - 4 Way Valve OFF
Heating Operation Cycle : - 4 Way Valve ON
For 4 way valve control,
Delay 5sec for ON : - Accumulating pressure for valve mechanically opening.
Delay 60sec for OFF : - Equaling refrigerant pressure in system.
Содержание S-22KA1E5S
Страница 45: ...45 4 1 2 S 56KA1E5 S 63KA1E5 S 71KA1E5...
Страница 46: ...46 4 2 60 x 60 Cassette Type Indoor Unit 4 2 1 S 22YA1E5 S 28YA1E5 S 36YA1E5 S 45YA1E5 S 56YA1E5...
Страница 47: ...47 4 3 95 x 95 Cassette Type Indoor Unit 4 3 1 S 63UA1E5 S 71UA1E5 S 90UA1E5...
Страница 48: ...48 4 3 2 S 100UA1E5 S 125UA1E5...
Страница 49: ...49 4 4 Slim Hide Away Type Indoor Unit 4 4 1 S 22NA1E5 S 28NA1E5 S 32NA1E5 S 36NA1E5 S 45NA1E5 S 56NA1E5...
Страница 50: ...50 4 5 Low Static Pressure Hide Away Type Indoor Unit 4 5 1 S 45MA1E5 S 56MA1E5...
Страница 51: ...51 4 5 2 S 63MA1E5 S 71MA1E5 S 90MA1E5...
Страница 52: ...52 4 5 3 S 100MA1E5 S 125MA1E5...
Страница 53: ...53 4 6 Outdoor Unit 4 6 1 U 8EA1E8 U 10EA1E5...
Страница 54: ...54 5 Refrigeration Cycle Diagram...
Страница 58: ...58 7 Wiring Connection Diagram 7 1 Wall Mounted Type Indoor Unit KA1E5 Series...
Страница 59: ...59 7 2 60 x 60 Cassette Type Indoor Unit YA1E5 Series...
Страница 60: ...60 7 3 95 x 95 Cassette Type Indoor Unit UA1E5 Series...
Страница 61: ...61 7 4 Slim Hide Away Type Indoor Unit NA1E5 Series...
Страница 62: ...62 7 5 Low Static Pressure Hide Away Type Indoor Unit MA1E5 Series...
Страница 63: ...63 7 6 Outdoor Unit EA1E8 Series...
Страница 64: ...64 8 Electronic Circuit Diagram 8 1 Wall Mounted Type Indoor Unit KA1E5 Series...
Страница 65: ...65...
Страница 66: ...66 8 2 60 x 60 Cassette Type Indoor Unit YA1E5 Series...
Страница 67: ...67...
Страница 68: ...68 8 3 95 x 95 Cassette Type Indoor Unit UA1E5 Series...
Страница 69: ...69...
Страница 70: ...70 8 4 Slim Hide Away Type Indoor Unit NA1E5 Series...
Страница 71: ...71...
Страница 72: ...72 8 5 Low Static Pressure Hide Away Type Indoor Unit MA1E5 Series...
Страница 73: ...73...
Страница 74: ...74 8 6 Outdoor Unit EA1E8 Series...
Страница 75: ...75...
Страница 77: ...77 9 1 3 Receiver PCB CN DISP 9 1 4 Error Code Display PCB CN CODE...
Страница 82: ...82 9 6 2 Inverter PCB CN AC CN RY2 CN RY1 CN FM2 CN COM FG DCN CN FM1 DCP W V U...
Страница 231: ...231 19 Operation Range...
Страница 233: ...233 21 Outdoor Unit Cooling Heating Capacity and Power Input 21 1 U 8EA1E8...
Страница 234: ...234...
Страница 235: ...235 21 2 U 10EA1E8...
Страница 236: ...236...
Страница 302: ...302 27 8 Outdoor Unit U 10EA1E8...