Flow Chart Of Outdoor Unit - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

SiBE26-701
2.2

Flow Chart of Outdoor Unit

RZQ
[Cooling/Dry operation]
Note: (Refer to outdoor unit item (X.X.X)) means refer to Outdoor Unit (P. 57 and after) in detailed description of function.
Cooling / Dry
Cooling/Dry
Oil recovery operation
starting judgement
Oil recovery operation
(refer to outdoor
unit item 2.4.6.2)
Oil recovery operation
ending judgement
B
Function and Operation
Power supply ON
Initialize electronic expansion
valve Initialize microcomputer
Stopping
Crank case heater control
(refer to outdoor unit item 2.4.2.2)
Remote controller operation
Judgement
Operation mode
judgement
Heating
Heating
Room thermostat control
Starting control
4-way valve changeover
Normal control
Compressor step control (refer to outdoor unit item 2.4.4.1)
Electronic expansion valve PI control
(refer to outdoor unit item 2.4.4.2)
PMV control (refer to outdoor unit item 2.4.4.3)
Low pressure protection control
(refer to outdoor unit item 2.4.5.1)
High pressure protection control
(refer to outdoor unit item 2.4.5.2)
Discharge pipe temperature protection control
(refer to outdoor unit item 2.4.5.4)
Thermostat OFF judgement
Thermostat OFF by
(refer to outdoor unit item 2.4.3.2)
Thermostat OFF by freeze-up protection
(refer to outdoor unit item2.4.6.3)
Restart standby
A
Emergency
Emergency
operation
(refer to outdoor unit 2.4.7.1
Emergency operation)
(refer to outdoor
unit item 2.4.3.2)
(refer to outdoor
unit item 2.4.3.1)
B
Trs
Pump down residual operation
(refer to outdoor unit item 2.4.5.5)
(refer to outdoor unit item 2.4.2.1)
A
Inverter current protection control
(refer to outdoor unit item 2.4.5.7)
Inverter fin temperature protection control
(refer to outdoor unit item 2.4.5.7)
Overall current protection control
(refer to outdoor unit item 2.4.5.7)
Low outdoor temperature cooling control
(refer to outdoor unit item 2.4.5.6)
Simulated operation
(refer to outdoor unit item 2.4.7.2)
Standby
Remote control
judgement
operation OFF
judgement
Outdoor Unit
Malfunction
stop judgement
(S2541)
55