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Control Specification
SiUS121827E
104
Part 4 Functions and Control
4.2 Mode Hierarchy
Outline
The air conditioner control has normal operation mode, forced operation mode, and power
transistor test mode for installation and servicing.
Details
Unless specified otherwise, dry operation command is regarded as cooling operation.
Indoor fan operation cannot be made in multiple indoor units. (A forced fan command is made
during forced cooling operation.)
Determine Operation Mode
The system judges the operation mode command which is set by each room in accordance with the
procedure, and determines the operation mode of the system.
The following procedure is taken when the modes conflict with each other.
∗
1. The system follows the mode which is set first. (First-push, first-set)
∗
2. For the rooms where the different mode is set, standby mode is activated. (The operation lamp
blinks.)
Air conditioner control mode
Forced operation mode
Forced cooling operation (for pump down operation)
Forced heating operation
Wiring error check operation
Power transistor test mode
Normal operation mode
Fan
Cooling (includes drying)
Heating
Heating
Defrosting
Stop (indoor unit: OFF)
Preheating operation
Discharging from capacitor
Stop
(R17361)
Содержание 4MXL-T Series
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Страница 190: ...Troubleshooting for SA Indoor Unit SiUS121827E 184 Part 6 Service Diagnosis Reference Check No 02 Refer to P 233 ...
Страница 249: ...SiUS121827E Check Part 6 Service Diagnosis 243 R6000583 1 2 3 4 Multimeter Front side Rear side ...
Страница 288: ...Piping Diagrams SiUS121827E 282 Part 8 Appendix 1 2 Outdoor Unit 5MXS48TVJU 4MXL36TVJU 3D117817 3D118311 ...
Страница 298: ...Operation Limit SiUS121827E 292 Part 8 Appendix 4 Operation Limit 5MXS48TVJU 4MXL36TVJU 3D048149D 3D101428 ...