Daikin RY50G - Page 63

Operation Flowchart (RY71 - 140K) Si-71A
52 Explanation of Function Operation
Note:
For items indicated with reference section numbers 5.2.1 through 5.2.19, see the explanation of outdoor
unit functions and operations on pages 65 through 72.
Is indoor heat
exchanger temperature
high?
Is cumulative
retry total 6?
(See Section
5. 2. 5.)
Is EV opening
appropriate in
thermostat OFF?
(See Section
5. 2. 8.)
Operation stop
using remote controller
(See Section
5. 2. 2.)
∆Tr=[Indoor unit
suction temperature] –
[Remote controller preset
temperature]≤0
NO
NO
NO
NO
NO
Gas Shortage Error Indication
Error Indication
Thermostat OFF
(See Section
5. 2. 2.)
Thermostat OFF
(See Section
5. 2. 2.)
∗1 (Continued) ∗2 (Continued)
YES
YES
YES
YES
YES
Outdoor Unit Fan Control
(See Section 5. 2. 18.)
Defrost Control
(See Section 5. 2. 19.)
High pressure protection
control in heating operation
(See Section 5. 2. 17.)
Optimal discharge pipe
temperature control
(See Section 5. 2. 4.)
Thermostat OFF
(See Section
5. 2. 2.)
B
D
C
B
BA
(SF030)